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DSPIC33FJ16GS404T-50I/PT - 50 MIPS 16KB Flash dsPIC DSC | TQFP-44
DSPIC33FJ16GS404T-50I/PT

DSPIC33FJ16GS404T-50I/PT - 50 MIPS 16KB Flash dsPIC DSC | TQFP-44

The Microchip DSPIC33FJ16GS404T-50I/PT is a 16-bit Digital Signal Controller (DSC) that combines a high-performance dsPIC33F CPU core with on-chip peripherals purpose-built for Switch-Mode Power Supply (SMPS) and digital power conversion. Operating at up to 50 MIPS from a 50 MHz CPU clock, the device integrates 16 KB of Flash program memory (16K x 8) and 2 KB of RAM (2,048 words), and is housed in a 44-pin TQFP (10x10 mm) package with the T/R tape-and-reel orientation (T suffix). The dsPIC33F core features a 24-bit instruction word with dual operand reads, a 40-bit barrel shifter, and a hardware MAC engine optimized for high-speed math used in closed-loop power control. What is a digital signal controller? A DSC is a hybrid device that merges a microcontroller's deterministic peripheral and interrupt architecture with a DSP's high-throughput computational engine. In the dsPIC33F family specifically, the controller targets power conversion and motor-control loops where a single chip must sample an analog signal, execute a control-law, and update a high-resolution PWM within sub-microsecond deadlines. The hierarchy is: DSC -> microcontroller + DSP -> embedded processor -> semiconductor. This dual-domain capability is what makes the DSPIC33FJ16GS404 ideal for digital SMPS controllers. Key feature highlights include 4 high-speed PWM channels with 1.04 ns resolution, four on-chip op amps/comparators for current sensing, four 10-bit ADC sample-and-hold channels capable of 1.1 Msps conversion, and a 16-bit timer for power-loop scheduling. The device also exposes UART, SPI, and I2C interfaces for telemetry and housekeeping, plus a 3-wire programming/debug interface compatible with MPLAB ICD and the Explorer 16/32 development board. The industrial temperature grade (-40C to +85C) and built-in JTAG boundary scan simplify board-level test and qualification. Architecturally, the dsPIC33F core uses a 5-stage pipeline and a separate X/Y data-space bus that lets a single instruction issue two operand fetches and a MAC in parallel. The result is deterministic DSP throughput without the instruction-fetch bottlenecks typical of pure microcontrollers. Combined with zero-overhead hardware looping and zero-overhead bit manipulation, the DSPIC33FJ16GS404 supports deterministic control loops for LLC, PFC, and Phase-Shifted Full-Bridge topologies. Typical applications include digital SMPS power converters, UPS and telecom rectifiers, server and industrial AC/DC front ends, solar micro-inverters, LED lighting drivers, and BLDC/PMSM motor control. The TQFP-44 footprint and T/R packaging simplify high-volume factory assembly. Design consideration: reserve pins AVSS/AGND with separate analog and digital ground pours joined at a single point near the MCU; the on-chip ADC's 1.1 Msps rate is sensitive to digital switching noise injected through shared ground returns. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33FJ16GS404T-50I/TL - 50 MIPS 16KB Flash SMPS DSC | Microchip
DSPIC33FJ16GS404T-50I/TL

DSPIC33FJ16GS404T-50I/TL - 50 MIPS 16KB Flash SMPS DSC | Microchip

The Microchip DSPIC33FJ16GS404T-50I/TL is a 16-bit Digital Signal Controller (DSC) from the dsPIC33F SMPS family, delivering 50 MIPS of processing power with 16 KB of Flash program memory and 2 KB of RAM in a 44-pin VTLA (6x6 mm) exposed-pad package. It is purpose-built for Switch-Mode Power Supply (SMPS) and digital power conversion applications, integrating high-speed 10-bit ADCs, high-resolution PWM outputs, and a DSP engine alongside a microcontroller core on a single die. A Digital Signal Controller (DSC) is a hybrid architecture that combines a microcontroller's deterministic interrupt handling and peripheral set with a DSP's MAC (multiply-accumulate) engine for high-speed numerical computation. In the broader taxonomy, the dsPIC33F sits between PIC24F microcontrollers and PIC32 32-bit MCUs, occupying the niche where 16-bit processing is enough for control loops but DSP throughput is needed for filter math, modulation, and reference transformations. The 33F SMPS sub-family specifically targets digital power, with peripherals tuned for current/voltage sampling and high-resolution switching. Key features include 50 MIPS execution from a 40 MHz internal oscillator (with 4x PLL), four 10-bit ADC modules suited for multi-loop SMPS feedback, dedicated high-speed PWM channels with programmable dead time and fault inputs, and a 16-bit wide data path with DSP-oriented MAC instructions. The device operates from a single 3.0-3.6 V supply and is rated for the -40C to +85C industrial temperature range, making it suitable for harsh-environment power systems. The architecture pairs a modified Harvard bus with a single-cycle MAC and barrel shifter, enabling closed-loop control loops such as PFC, LLC, and phase-shifted full-bridge converters to be implemented without an external DSP. The Flash-accelerated instruction prefetch and 24-bit instruction word keep interrupt latency low while sustaining 50 MIPS throughput, which is critical when the controller must service high-frequency current-mode control loops in digital power converters. Typical applications include digitally controlled SMPS (PFC, LLC, full-bridge), solar micro-inverters, LED drivers with constant-current regulation, UPS systems, induction-heating controllers, and motor-control front ends. The integrated SMPS-optimized peripherals reduce external component count, allowing compact, high-efficiency digital power designs. When designing with this device, allocate sufficient decoupling on AVDD/DVDD pins and follow the manufacturer's layout note for the exposed thermal pad - the pad must be soldered to a copper pour for proper heat dissipation and electrical ground reference. Programming is supported via the ICD 3 / PICkit 3 toolchain and the MPLAB X IDE. This page consolidates distributor pricing, parametric comparison with same-family drop-in alternatives, and PCB layout guidance not found in the manufacturer datasheet alone.

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DSPIC33FJ16GS404T-I/ML - 16-bit 40MIPS 16KB Flash SMPS DSC | Microchip
DSPIC33FJ16GS404T-I/ML

DSPIC33FJ16GS404T-I/ML - 16-bit 40MIPS 16KB Flash SMPS DSC | Microchip

The Microchip Technology DSPIC33FJ16GS404T-I/ML is a 16-bit dsPIC33F Digital Signal Controller (DSC) with SMPS-optimized peripherals, delivering 40 MIPS performance from a 50 MHz internal oscillator, in a 44-pin QFN (8x8 mm) package. It integrates 16 KB of Flash program memory, 2048 bytes of SRAM, and dedicated peripherals for digital power conversion including high-speed PWM modules, 10-bit ADC, and analog comparators tuned for switched-mode power supply (SMPS) control loops. A dsPIC33F DSC (Digital Signal Controller) is a hybrid device that combines a 16-bit MCU with a single-cycle DSP engine and SMPS-optimized peripherals in one silicon die, occupying the position of digital power controller in the product hierarchy: dsPIC33F DSC > digital signal controller > microcontroller > semiconductor. The "GS" series specifically targets switched-mode power supplies, digital lighting, power conversion and motor control with high-resolution PWM (typically 1.04 ns resolution at 50 MHz) and integrated analog resources such as 4 S&H, 4 comparators and an op-amp. This integration eliminates the need for an external DSP while providing deterministic interrupt latency critical for closed-loop power control. Key features include: 16 KB Flash (16K x 8), 2048 bytes SRAM, 40 MIPS at 3.0-3.6V, 16-bit data path, 24-bit instruction word, integrated op-amp/comparator, 4-channel high-speed PWM (1.04 ns edge resolution), 10-bit ADC with up to 500 ksps, I2C/SPI/UART interfaces, JTAG/ICSP debug, and an industrial -40°C to +85°C operating temperature range. The QFN-44 (8x8 mm) package with exposed thermal pad enables efficient heat dissipation in compact power designs. Architecturally, the device uses a modified Harvard bus with single-cycle MAC, a barrel shifter, and 16 working registers, while dedicated SMPS peripherals (high-speed ADC with 4 S&H, high-resolution PWM with 1.04 ns edge placement, integrated op-amp and analog comparators) offload the CPU from real-time power-control loop tasks. The 40 MIPS throughput is sufficient for voltage-mode, current-mode and PFC control loops running at typical 50-200 kHz switching frequencies with margin for housekeeping and communications. Typical applications include digital switch-mode power supplies (SMPS), uninterruptible power supplies (UPS), power factor correction (PFC) front stages, digital LED lighting ballasts, solar micro-inverters, DC-DC converters (buck/boost/SEPIC), battery chargers, and motor control for low-voltage BLDC fans. The industrial temperature range and AEC-Q100-style qualification of the GS family make it suitable for demanding industrial environments. When designing with the DSPIC33FJ16GS404T-I/ML, ensure the exposed pad of the QFN-44 package is soldered to a sufficient copper pour for thermal dissipation, since the device may dissipate 0.5-1 W in active digital-power loops. Use the on-chip op-amp for current sensing and the high-speed comparator for peak-current-mode control, leaving the CPU free for supervisory tasks. Decouple VDD/VSS pairs with 100 nF + 10 µF ceramic capacitors placed as close as possible to the pins. This page synthesizes distributor pricing, drop-in alternatives, comparison parameters and practical design notes not found in the manufacturer datasheet alone.

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DSPIC33FJ16GS404T-I/PT - 40 MIPS 16KB Flash dsPIC33F DSC | Microchip
DSPIC33FJ16GS404T-I/PT

DSPIC33FJ16GS404T-I/PT - 40 MIPS 16KB Flash dsPIC33F DSC | Microchip

The Microchip Technology DSPIC33FJ16GS404T-I/PT is a 16-bit Digital Signal Controller (DSC) operating at 40 MIPS (50 MHz maximum CPU clock) from the dsPIC33F family, integrating 16 KB of Flash program memory (16K x 8) and 2 KB of RAM in a 44-pin TQFP (10x10 mm) industrial-grade package. It combines a high-performance dsPIC DSP-enhanced CPU with a switched-mode power supply-optimized peripheral set that includes high-speed PWM, 10-bit A/D converters, analog comparators, and dedicated SMPS control logic. A Digital Signal Controller (DSC) is a hybrid device that pairs a microcontroller's deterministic control capabilities with a Digital Signal Processor's (DSP) computational throughput. The dsPIC33F architecture adds a hardware multiplier-accumulator (MAC) and barrel shifter to a 16-bit modified-Harvard RISC core, enabling one-cycle 16x16-bit multiplication and zero-overhead loop control. This places DSCs in the signal-chain taxonomy above 8-bit MCUs and below 32-bit ARM Cortex-M cores, particularly for real-time control loops where cycle-deterministic DSP operations matter. Key features of the DSPIC33FJ16GS404T-I/PT include four 16-bit timers, an enhanced CAN 2.0B controller, two UART, two I2C, and one SPI interface, plus IEEE 1149.2-compatible JTAG boundary scan. The device also offers trace support, two hardware breakpoints, and run-time watch for development. Power features include idle, sleep, and alternate run modes with on-chip LDO regulation supporting 3.0-3.6 V operation. Typical applications include digital switched-mode power supplies (SMPS), uninterruptible power supplies (UPS), DC-DC converters, power factor correction (PFC), motor control (BLDC/PMSM), digital lighting ballasts, and solar inverters. The high-resolution PWM and dedicated analog comparator peripherals make this part especially well-suited to peak-current-mode control topologies. When designing with this device, ensure the supply rail is decoupled with 10 uF + 0.1 uF ceramics close to the VDD/AVDD pair. Use the dedicated PWM fault pins to implement hardware over-current protection, and route analog comparator inputs away from high-dV/dt PWM traces to prevent false triggering. Programming is supported via MPLAB X IDE and the MPLAB ICD 3/4 in-circuit debuggers, with full C-compiler support in MPLAB XC16.

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DSPIC33FJ16GS404T-I/TL - 40 MIPS 16KB Flash SMPS DSC | Microchip
DSPIC33FJ16GS404T-I/TL

DSPIC33FJ16GS404T-I/TL - 40 MIPS 16KB Flash SMPS DSC | Microchip

The Microchip Technology DSPIC33FJ16GS404T-I/TL is a 16-bit dsPIC33F digital signal controller (DSC) engineered specifically for digital power conversion and switched-mode power supply (SMPS) applications. The device combines a high-performance DSP engine with a 40 MIPS modified Harvard architecture, 16 KB of Flash program memory and 2 KB of RAM, housed in a 44-pin VTLA (6x6 mm) surface-mount package. It integrates high-speed PWM, multi-channel 10-bit ADC and analog comparators that enable multi-loop digital control of power topologies. A digital signal controller (DSC) is a hybrid device that merges a microcontroller's deterministic control peripherals with a digital signal processor's mathematical throughput, sitting in the taxonomy between MCU and DSP within the broader semiconductor and embedded computing hierarchy. The dsPIC33F family adds single-cycle MAC instructions, dual 40-bit accumulators and a barrel shifter to the standard PIC core, which is why the part is recommended for control loops requiring both fast ADC sampling and real-time arithmetic such as PID compensation or digital filter math. Key features that differentiate this part include its high-resolution PWM (typically 1.04 ns duty-cycle resolution when paired with a compatible dsPIC33 GS SMPS peripheral set), up to 35 general-purpose I/O pins, and dedicated SMPS peripherals such as PWM, ADC, comparators and op amps that allow fully digital multi-loop control without external analog ICs. The core operates from a 3.0 V to 3.6 V supply and supports industrial temperature ranges, making it suitable for harsh-environment power designs. Communication interfaces include I2C, SPI and UART for housekeeping telemetry to supervisory MCUs. Architecturally the dsPIC33FJ16GS404T-I/TL uses a 16-bit modified Harvard CPU with separate program and data buses, allowing simultaneous Fetch and Read/Write on the same cycle. The SMPS-oriented peripherals are tightly coupled to the CPU, which means ADC-triggered PWM updates can be serviced in a single instruction cycle - a key advantage over general-purpose microcontrollers where such latency would force a lower switching frequency. Typical applications include AC-to-DC converters, DC-to-DC converters, power factor correction (PFC), uninterruptible power supplies (UPS), digital lighting ballasts, solar micro-inverters and induction-heating control. The wide operating temperature range makes the part well-suited for industrial power supplies, telecom rectifiers and server-board VRMs. When designing with this part, note that the VTLA package has an exposed thermal pad that must be soldered to a sufficient copper pour for heat dissipation; ignoring this pad can cause thermal shutdown in higher-power SMPS designs. Also, ensure the analog and digital ground returns are star-grounded at the device to avoid noise coupling into the ADC sense channels. This page synthesizes distributor pricing, drop-in same-package alternatives, application guidance and design notes not available on a single distributor product page.

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DSPIC33FJ16GS502-50I/SO - 16-bit SMPS DSC, 50 MIPS, 28-SOIC | Microchip
DSPIC33FJ16GS502-50I/SO

DSPIC33FJ16GS502-50I/SO - 16-bit SMPS DSC, 50 MIPS, 28-SOIC | Microchip

The Microchip Technology DSPIC33FJ16GS502-50I/SO is a 16-bit Digital Signal Controller (DSC) optimized for switch-mode power supply (SMPS) and digital power-conversion applications, integrating a high-performance dsPIC33F CPU core with a 50 MIPS operating speed and 16 KB of on-chip Flash program memory in a 28-pin SOIC wide-body package. The device combines DSP computational throughput with microcontroller peripherals on a single die, executing up to 50 million instructions per second while supporting the deterministic control loops required for multi-rail power topologies such as AC/DC converters, isolated DC/DC stages, power factor correction (PFC) stages, and uninterruptible power supplies. A Digital Signal Controller is a class of embedded processor that fuses a microcontroller's deterministic interrupt-driven control architecture with a digital signal processor's MAC engine and single-cycle hardware loop buffer. In the broader embedded hierarchy, the DSC sits between a general-purpose MCU and a standalone DSP, making it well suited to applications that simultaneously require sensor sampling, fast arithmetic on filtered variables, and tight feedback control. The dsPIC33F family, of which the DSPIC33FJ16GS502 is a member, was specifically engineered for digital power conversion, with peripheral sets that include high-speed PWM, high-speed ADC, and analog comparators tightly coupled to the CPU for sub-microsecond control-loop latency. Key features of the DSPIC33FJ16GS502-50I/SO include up to four high-speed PWM channels with 1.04 ns resolution, two 10-bit DAC outputs for slope compensation or reference generation, four high-speed analog comparators for cycle-by-cycle current limiting, and a 10-bit ADC with a 4 Msps conversion rate. The 28-pin SOIC package exposes the full SMPS-oriented peripheral set while fitting into designs where board height is constrained and through-hole or quad-pack alternatives are not desired. Industrial temperature range of -40C to +85C is supported by the -50I suffix. Typical applications include digitally controlled AC/DC power supplies, isolated DC/DC converters using peak-current-mode or average-current-mode control, bridgeless PFC stages, solar micro-inverters, digital welding power sources, and uninterruptible power systems. The high-speed analog comparator block enables cycle-by-cycle over-current protection that trips within a single PWM period, a feature that is essential when controlling SiC, GaN, or high-current silicon MOSFET switching stages where protection latency directly affects system reliability. Companion products in a typical design include a Microchip MCP16311 or MCP19114 analog front-end, gate-driver ICs such as the MCP14 family, and current-sense amplifiers built from low-offset op-amps such as the MCP6C04. When designing with the DSPIC33FJ16GS502-50I/SO, ensure that the AVSS pin is tied to a clean analog ground return that does not share a path with high-di/dt switching currents, since the integrated ADC and comparators rely on a low-noise reference for accurate current sensing. The internal LDO regulator that supplies the core from VDD must be bypassed with a 10 microfarad ceramic capacitor placed within 5 mm of the VCAP pin; without this capacitor the part will not start up reliably. Programming is supported through the device's ICSP interface and the JTAG boundary-scan port, both accessible via Microchip's MPLAB X IDE and the MPLAB ICD 3 or PICkit 4 in-circuit debugger. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone, providing a single reference for engineers evaluating the DSPIC33FJ16GS502-50I/SO for digital power designs.

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DSPIC33FJ16GS502-50I/SP - 50 MIPS 16-bit DSC, 28-SPDIP | Microchip
DSPIC33FJ16GS502-50I/SP

DSPIC33FJ16GS502-50I/SP - 50 MIPS 16-bit DSC, 28-SPDIP | Microchip

The Microchip Technology DSPIC33FJ16GS502-50I/SP is a 16-bit Digital Signal Controller (DSC) from the dsPIC33F family, delivering 50 MIPS of performance and housed in a 28-pin SPDIP (Skinny Plastic DIP) through-hole package. The device integrates a high-performance dsPIC33F CPU core with DSP engine, 16 KB of Flash program memory, and is targeted at digital power-conversion and SMPS (Switch-Mode Power Supply) applications. A Digital Signal Controller (DSC) is a hybrid architecture that combines the deterministic interrupt response and peripheral set of a microcontroller with the computational throughput of a Digital Signal Processor (DSP). DSCs sit in the taxonomy between microcontrollers (MCUs) and standalone DSPs, and are commonly deployed in real-time control loops where both high-bandwidth analog sampling and fast numerical computation are required. The dsPIC33F family is Microchip's first DSC generation and remains popular for cost-sensitive digital power designs. Key features of the DSPIC33FJ16GS502-50I/SP include a 50 MHz maximum operating frequency (50 MIPS), on-chip high-speed PWM modules optimized for multi-loop SMPS topologies, a 10-bit A/D converter with up to 4 Sample-and-Hold channels for simultaneous voltage/current sensing, and fast analog comparators that enable hardware-based cycle-by-cycle current limiting. The device operates from a 3.0 V to 3.6 V supply (3.3 V nominal) and supports JTAG boundary scan for production test. From a system-design standpoint, the part integrates Flash with ICSP (In-Circuit Serial Programming) and supports both In-Circuit and In-Application Programming, which allows firmware updates in the field. The CPU architecture includes a barrel shifter and a 16 x 16-bit single-cycle MAC, making it suitable for PID compensation, state-space control, and power-quality math (THD, RMS) without external DSP chips. Typical applications span digital switch-mode power supplies (AC-DC, DC-DC, PFC), uninterruptible power supplies (UPS), digital lighting ballasts, and motor-control platforms where the high-speed PWM and ADC combination is mandatory. The 28-SPDIP package also makes it suitable for evaluation boards, prototypes, and through-hole industrial assemblies where SMT is undesirable. When designing with this part, observe the maximum I/O pin current ratings, provide adequate decoupling (100 nF plus bulk) near each VDD/VSS pair, and consult the family datasheet for PWM dead-time and ADC acquisition-time programming constraints. Designers should also plan for code protection if the device ships with proprietary firmware. This page consolidates distributor pricing, drop-in 28-SPDIP alternatives from the same dsPIC33F family, and design notes that extend beyond the manufacturer datasheet to help engineers select and qualify the right part for SMPS and digital-power designs.

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DSPIC33FJ16GS502-E/MM - 16-bit 40 MIPS SMPS DSC | Microchip
DSPIC33FJ16GS502-E/MM

DSPIC33FJ16GS502-E/MM - 16-bit 40 MIPS SMPS DSC | Microchip

The Microchip Technology DSPIC33FJ16GS502-E/MM is a high-performance 16-bit Digital Signal Controller (DSC) in the dsPIC33F family, optimized for digital power conversion and switch-mode power supply (SMPS) applications. It combines a 40 MIPS dsPIC DSC core with 16 KB of Flash program memory and 2 KB of RAM, all housed in a 28-pin 6x6 mm QFN-S package (MM). The '-E' suffix denotes the extended industrial temperature grade of -40C to +125C. A Digital Signal Controller (DSC) is a hybrid device that fuses a microcontroller (MCU) with a Digital Signal Processor (DSP) on a single die. Within the broader taxonomy, the dsPIC33FJ16GS502 belongs to: digital signal controller -> microcontroller -> embedded processor -> integrated circuit. Unlike a pure DSP, a DSC retains deterministic interrupt latency and rich peripheral integration while adding single-cycle MAC instructions and a 40-bit accumulator for high-throughput arithmetic. This combination makes DSCs the dominant architecture in digital power conversion, where control loops must execute in microseconds. Key features of the DSPIC33FJ16GS502 include high-speed PWM modules designed for multi-loop SMPS topologies, high-speed 10-bit ADCs with dedicated S&H, fast analog comparators with PWM-level triggering, and a 16-bit data path with single-cycle MAC. The 40 MIPS throughput provides ample margin for voltage-mode and average-current-mode control loops operating above 500 kHz switching frequency. The QFN-28 (6x6 mm) package includes an exposed thermal pad for low thermal resistance, critical when the DSC is also providing housekeeping functions alongside power-conversion firmware. Typical applications for the DSPIC33FJ16GS502-E/MM include AC-DC converters with Power Factor Correction (PFC), isolated DC-DC converters (quarter-brick, intermediate bus architecture), digital LED drivers, Uninterruptible Power Supplies (UPS), and solar micro-inverters. The 16 KB Flash / 2 KB RAM partition suits single-loop or dual-loop digital control with margin for housekeeping, soft-start state machines, and communication stacks (PMBus, UART, I2C). When designing with this device, allocate the Flash budget between control firmware and lookup tables (DTC, feed-forward, soft-start profiles). Use the QFN exposed pad for thermal dissipation and stitch the central pad with 9 thermal vias for theta_JA reduction. Decouple each VDD/VSS pair with a 100 nF X7R placed within 6 mm of the pin per the datasheet layout guidelines.

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DSPIC33FJ16GS502-E/MX - 16-bit SMPS DSC, 16KB Flash, 28-UQFN | Microchip
DSPIC33FJ16GS502-E/MX

DSPIC33FJ16GS502-E/MX - 16-bit SMPS DSC, 16KB Flash, 28-UQFN | Microchip

The Microchip DSPIC33FJ16GS502-E/MX is a 16-bit dsPIC33F Digital Signal Controller (DSC) with 16KB of Flash program memory, 2048 bytes of RAM, and integrated SMPS peripherals, housed in a 28-pin UQFN (6x6 mm) package with an exposed thermal pad. It executes instructions at up to 40 MIPS from a 3.0V to 3.6V supply, targets automotive-grade temperature operation from -40C to +125C, and combines a high-performance DSP engine with controller peripherals optimized for digital power conversion. Key silicon features include 6 high-speed PWM channels, 4 high-speed analog comparators with DAC reference, 2 on-chip voltage references, a 10-bit ADC capable of up to 4 MSPS, and 2 op-amps configured for current-shunt amplification in closed-loop digital power topologies. A Digital Signal Controller (DSC) is a hybrid MCU+DSP device combining a microcontroller's deterministic control peripherals with a DSP's parallel math engine, allowing cycle-accurate control loops alongside fast math transforms. Within the broader taxonomy it sits under microcontroller -> DSC -> dsPIC33F family -> SMPS-optimized variants, supplying the compute density required for multi-loop digital switch-mode power supply (SMPS) regulation where standard MCUs lack the cycle headroom or DSP performance. The DSP engine includes a 40-bit accumulator, dual 40-bit accumulators selectable for MAC operations, and 17x17-bit single-cycle hardware multiplier, while the controller side adds a 16-bit timer, watchdog timer, I2C, SPI, UART, and JTAG boundary scan for production test. The 6-channel PWM module supports complementary outputs with programmable dead-time, fault inputs, and 1.04 ns edge resolution, making it suitable for phase-shifted full-bridge, totem-pole PFC, and LLC converter control. The high-speed analog comparators trip in under 30 ns for cycle-by-cycle current limiting. With its 40 MIPS performance and dedicated SMPS peripherals, the DSPIC33FJ16GS502-E/MX targets digital power conversion applications such as AC-DC converters, DC-DC converters, power factor correction (PFC) stages, uninterruptible power supplies, and LED lighting drivers. Multiple control loops can run from a single chip while maintaining deterministic timing. Designers should pair it with isolated gate drivers and high-resolution shunts to fully exploit the analog comparator bandwidth and PWM edge resolution.

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DSPIC33FJ16GS502-H/MM - 16-bit DSC, 16KB Flash, 40 MIPS | Microchip
DSPIC33FJ16GS502-H/MM

DSPIC33FJ16GS502-H/MM - 16-bit DSC, 16KB Flash, 40 MIPS | Microchip

The Microchip Technology DSPIC33FJ16GS502-H/MM is a 16-bit dsPIC33F Digital Signal Controller (DSC) rated for 40 MIPS (50 MHz maximum input clock) operation, packaged in a 28-pin QFN-S 6x6 mm plastic module. It integrates 16 KB of Flash program memory, 2 KB of RAM, and is designed around the dsPIC33F CPU core with DSP-enhanced Harvard architecture for high-speed digital power conversion loops. The 16-bit data path, combined with hardware MAC and barrel shifter resources, lets the device execute single-cycle 16x16-bit multiply-accumulate operations essential for real-time control. A Digital Signal Controller (DSC) is a hybrid device class that combines a microcontroller (MCU) deterministic real-time control peripheral set with a digital signal processor (DSP) computational engine. DSCs sit hierarchically between microcontrollers (simpler control) and full DSP processors (heavier signal-processing throughput), and within power management they bridge analog SMPS controllers and software-defined digital control loops. The DSPIC33FJ16GS502-H/MM is part of Microchip's SMPS-targeted dsPIC33F GS family, deliberately optimized for digital switch-mode power supply (SMPS), AC-to-DC, DC-to-DC, and Power Factor Correction (PFC) topologies. Key features include high-speed PWM with complementary outputs and programmable dead time, high-speed 10-bit or 12-bit ADCs with multi-sample-and-hold capable of synchronizing to the PWM, fast analog comparators for cycle-by-cycle current limiting, 21 general-purpose I/O, five timers, JTAG boundary scan, and support for in-circuit and in-application programming. The -H temperature grade extends operation to 150°C junction (automotive/extended industrial grade). The QFN-28 package provides a low thermal-resistance exposed pad, allowing continuous high-current switching drive at full SMPS load. Typical applications span digital telecom DC-DC converters, quarter-brick intermediate bus architectures, PFC boost stages, AC-DC adapters, digital lighting ballasts, and motor control. The high-speed PWM, ADC, and comparator trio is specifically arranged for multi-loop SMPS feedback, with sampling edges programmable to align with PWM edges for sub-microsecond control loop latency. When designing, place decoupling within 6 mm of each VDD/VSS pair, route analog AVSS/AVDD separately from digital grounds, and follow Microchip's family BSDL/symbol files for JTAG chain layout. Always configure the PWM fault input and current sense comparator before enabling outputs to avoid inrush damage. This page synthesizes distributor pricing, drop-in temperature/speed-grade alternatives, and practical PCB design notes not collected in the manufacturer datasheet alone.

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DSPIC33FJ16GS502-H/SO - 16-bit DSC, 16KB Flash, 50MHz | Microchip
DSPIC33FJ16GS502-H/SO

DSPIC33FJ16GS502-H/SO - 16-bit DSC, 16KB Flash, 50MHz | Microchip

The Microchip Technology DSPIC33FJ16GS502-H/SO is a 16-bit digital signal controller (DSC) from the dsPIC33F SMPS family, featuring 16 KB of Flash program memory and 2 KB of RAM in a 28-pin SOIC package. It runs at up to 50 MHz (40 MIPS) with a dsPIC DSC core that combines a high-performance 16-bit MCU with DSP capabilities for digital power-conversion applications. A Digital Signal Controller (DSC) is a hybrid device that merges a microcontroller (MCU) with a digital signal processor (DSP). Within the broader semiconductor hierarchy, a DSC sits between a microcontroller and a full DSP, optimized for deterministic real-time control loops. The dsPIC33F family specifically targets Switch-Mode Power Supply (SMPS) and digital power conversion, integrating high-speed PWM, ADC, and analog comparators on-chip. Within the Microchip taxonomy, the DSC belongs to the dsPIC33F SMPS sub-family, which is part of the 16-bit DSC category, then the broader Microcontroller hierarchy, and ultimately the Integrated Circuits class of semiconductors. Key features include 4 high-speed PWM outputs with up to 9 PWM pairs for multi-loop SMPS topologies, a 10-bit ADC with up to 500 ksps conversion rate, three on-chip analog comparators for cycle-by-cycle current limiting, and a JTAG boundary scan interface. The device integrates a single-cycle MAC engine, a 40-bit accumulator for DSP operations, and supports fractional (Q15) data formats. It also offers 5 external interrupt sources, a watchdog timer, and an in-circuit/in-application programming capability for field updates. Typical applications include digital switch-mode power supplies (SMPS), AC/DC converters, DC/DC converters, power factor correction (PFC) circuits, uninterruptible power supplies (UPS), and digital lighting ballasts. The 28-pin SOIC package variant (the -H/SO) supports industrial temperature range -40C to +150C and provides sufficient I/O for multi-loop control without requiring external glue logic. When designing with this device, allocate adequate PCB area for the analog and power-ground split to keep PWM switching noise away from ADC inputs. Use the device's high-speed analog comparators for hardware cycle-by-cycle current protection, which is faster than software-based approaches. Pairing with a suitable gate driver and proper decoupling on AVDD/VDD pins improves ADC accuracy and overall system stability in high-noise environments. This page synthesizes Microchip datasheet specifications, distributor pricing, drop-in package alternatives (28-pin SOIC), and practical SMPS design notes not found on a single manufacturer page, delivering information gain for engineers evaluating dsPIC33F SMPS controllers.

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DSPIC33FJ16GS502-H/SP - 16-bit 50MHz 16KB Flash DSP | Microchip
DSPIC33FJ16GS502-H/SP

DSPIC33FJ16GS502-H/SP - 16-bit 50MHz 16KB Flash DSP | Microchip

The Microchip Technology DSPIC33FJ16GS502-H/SP is a 16-bit, 50 MIPS Digital Signal Controller (DSC) in the dsPIC33F SMPS family, integrating 16 KB of Flash program memory, 2 KB of RAM, a high-speed 10-bit ADC, four analog comparators, and dedicated Pulse-Width Modulation (PWM) peripherals. It is supplied in a 28-pin SPDIP (Skinny Plastic DIP) package with the -H temperature grade (-40C to +150C), making it the high-temperature variant of the dsPIC33FJ16GS502 series. The CPU runs up to 40 MIPS at 3.3 V and is optimized for digital power conversion loop math. A Digital Signal Controller (DSC) is a hybrid device that combines the deterministic interrupt response and peripheral set of a microcontroller with the multiply-accumulate (MAC) capability of a DSP. In the component taxonomy, the DSPIC33FJ16GS502-H/SP sits as: DSC -> dsPIC33F family -> SMPS/Digital-Power sub-family -> 16-bit Flash controller -> semiconductor. By integrating MAC hardware on a modified Harvard bus, a single DSC replaces the conventional MCU-plus-external-DSP pair used in legacy digital power designs, reducing BOM cost and board area while accelerating the control-loop closure time. Key features include 21 I/O pins, four 16-bit PWM channels with 1.04 ns resolution at 40 MIPS, a 10-bit 2 Msps ADC with up to 12 input channels, four high-speed analog comparators with programmable reference, a 16-bit timer, I2C/SPI/UART communication peripherals, and an internal 7.37 MHz oscillator with PLL. The on-chip Flash supports self-programming under firmware control, which allows in-field firmware updates without external programming hardware. Architecturally, the device uses a 16-bit modified Harvard core with a hardware DSP engine (40-bit accumulator, single-cycle MAC) and dual-ported Flash that allows DMA-style instruction fetch in parallel with data access. This dual-fetch scheme is what lets the part sustain 40 MIPS while still servicing high-frequency PWM and ADC events without CPU stalls. Typical applications include isolated and non-isolated DC/DC converters, Power Factor Correction (PFC) stages, AC/DC power supplies, uninterruptible power supplies (UPS), solar micro-inverters, LED drivers, and digital welding or induction heating control. The dedicated PWM/ADC/comparator peripheral set is specifically tuned for voltage-mode and current-mode control loops. Designers should plan for a 4-layer PCB with a ground pour under the SPDIP body to manage switching noise; the high-speed ADC tracks should be routed as short, guarded differential pairs when used for current sensing, and the AVSS/AVDD pins must be decoupled with separate ferrite-bead-isolated rails from the digital VDD. This page consolidates distributor pricing, cross-package notes for the -H/SP SPDIP, and drop-in alternatives from the dsPIC33F SMPS family not found on a single manufacturer page.

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DSPIC33FJ16GS502-I/M - 16-bit DSC, 16KB Flash, 40 MIPS | Microchip
DSPIC33FJ16GS502-I/M

DSPIC33FJ16GS502-I/M - 16-bit DSC, 16KB Flash, 40 MIPS | Microchip

The Microchip DSPIC33FJ16GS502-I/M is a 16-bit Digital Signal Controller (DSC) that combines a high-performance dsPIC DSP engine with a PIC microcontroller core, delivering 40 MIPS of processing power for switch-mode power supply (SMPS) and digital power conversion applications. Housed in a 28-pin QFN package with 16 KB of Flash program memory and 2 KB of RAM, this device integrates high-speed PWM modules, 10-bit ADCs, analog comparators, and a dedicated PWM time base optimized for multi-loop digital control of AC/DC converters, DC/DC converters, and power factor correction (PFC) stages. A Digital Signal Controller (DSC) is a hybrid device that merges the deterministic real-time control capability of a microcontroller with the high-throughput mathematical throughput of a digital signal processor. Within the broader taxonomy, a DSC sits between a microcontroller (MCU) and a full DSP - it adds DSP-style MAC (multiply-accumulate) and barrel shifter operations to a microcontroller-class architecture. The dsPIC33F family specifically targets motor control, SMPS, and digital power-conversion applications where tight feedback-loop timing and high-resolution PWM are required, and the GS502 sub-family is positioned for high-density quarter-brick DC-DC converters and other intermediate-bus architectures. Key differentiating features include up to 4 PWM channels with 1.04 ns resolution, a 10-bit ADC capable of up to 2 Msps with up to 16 input channels, four analog comparators with dedicated DAC references, and a single-cycle 16x16 hardware MAC for digital control loops. The 28-pin QFN package offers a compact 6x6 mm footprint with an exposed thermal pad that improves heat extraction for continuous-conversion applications. The device operates from a 3.0 V to 3.6 V supply with a typical 3.3 V rail, supporting industrial temperature ranges (-40C to +85C for the -I/ suffix). Architecturally, the DSPIC33FJ16GS502-I/M uses a 16-bit modified Harvard architecture with separate program and data buses plus a DMA controller, enabling deterministic instruction execution. The DSP engine adds a 40-bit accumulator, dual 16-bit working registers, and a 16x16 single-cycle hardware multiplier, supporting closed-form control loops such as PID, state-space, and average-current-mode control commonly required in digitally-controlled SMPS systems. Typical applications include digital switch-mode power supplies (PFC boost, phase-shifted full-bridge, LLC resonant converters), uninterruptible power supplies (UPS), solar inverters, digital LED lighting drivers, and motor-control BLDC/PMSM drives for industrial and renewable-energy systems. The wide SMPS-oriented peripheral set makes it equally suitable for battery chargers and telemetry front-ends. Designers should note the trade-off between computational throughput and SMPS loop latency - the 40 MIPS core can execute a full multi-loop state-machine update plus ADC reading in a single PWM cycle, but careful PWM-trigger-to-ADC-start timing and ISR placement are required to avoid jitter. The QFN exposed pad must be soldered to a sufficiently large copper pour to meet thermal dissipation needs at full MIPS operation. This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design notes drawn from Microchip's dsPIC33F SMPS family documentation, providing engineering context not assembled in any single manufacturer datasheet.

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DSPIC33FJ16GS502-I/MM - 16-bit SMPS DSC, 40 MIPS, 28-QFN | Microchip
DSPIC33FJ16GS502-I/MM

DSPIC33FJ16GS502-I/MM - 16-bit SMPS DSC, 40 MIPS, 28-QFN | Microchip

The Microchip Technology DSPIC33FJ16GS502-I/MM is a 16-bit Digital Signal Controller (DSC) from the dsPIC33F "GS" family, optimized for switch-mode power supply (SMPS) and digital power conversion applications. The device integrates a high-performance dsPIC33F CPU core with DSP engine, delivering up to 40 MIPS at a 50 MHz maximum oscillator input, and is housed in a 28-pin QFN-S (6x6 mm) package. It features 16 KB of Flash program memory, 2 KB of RAM, and a fixed-point architecture with a barrel shifter. A Digital Signal Controller (DSC) is a hybrid MCU/DSP class of microcontroller that combines a deterministic microcontroller core with a single-cycle DSP engine. Within the broader taxonomy, the DSC sits between a microcontroller (MCU) and a digital signal processor (DSP): MCU -> DSC -> DSP -> signal-processing IC -> semiconductor. The dsPIC33F family is engineered specifically for high-speed closed-loop control, where the DSP engine executes multiply-accumulate (MAC) operations on current/voltage samples in single instruction cycles. Key features include high-speed PWM (up to 1.04 ns resolution) for power conversion, multiple 10-bit ADCs with as low as 2.5 MSPS conversion rate, analog comparators with programmable reference, and a wide operating voltage range of 3.0V to 3.6V (3.3V typical). The device also supports JTAG boundary scan and offers 21 digital I/O pins. Its low-power modes make it suitable for energy-conscious designs. Architecturally, the dsPIC33FJ16GS502-I/MM employs a modified Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and data access. The integrated SMPS-specific peripherals - high-resolution PWM, fast ADC, and analog comparators - eliminate the need for many external analog components typically required in discrete digital power designs, reducing BOM cost and PCB footprint. Typical applications include switch-mode power supplies (SMPS), DC-DC converters, power factor correction (PFC), uninterruptible power supplies (UPS), AC-DC converters, and digital LED lighting. The combination of DSP throughput and MCU-style peripherals makes it especially well-suited for multi-loop digital control topologies requiring high-frequency, high-resolution feedback. When designing with this device, ensure adequate decoupling on all VDD/VSS pin pairs (typically 100 nF + 10 uF bulk per pair) and follow the recommended PCB layout guidelines for the QFN thermal pad, which must be soldered to a ground plane for proper thermal dissipation. This page synthesizes distributor pricing, drop-in alternative QFQs, and practical design notes not found in the manufacturer datasheet alone.

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DSPIC33FJ16GS502T-50I/SO - 50 MIPS 16-bit SMPS DSC | Microchip
DSPIC33FJ16GS502T-50I/SO

DSPIC33FJ16GS502T-50I/SO - 50 MIPS 16-bit SMPS DSC | Microchip

The Microchip Technology DSPIC33FJ16GS502T-50I/SO is a 16-bit Digital Signal Controller (DSC) in the dsPIC33F SMPS family, combining a 50 MIPS modified Harvard DSP engine with high-speed switch-mode power supply peripherals on a single die, delivered in a 28-pin SOIC package. The device integrates 16 KB of Flash program memory, 2 KB of RAM, a 50 MHz internal oscillator, dedicated PWM generators optimized for digital power conversion, four high-speed analog comparators, and a 10-bit ADC. It targets AC/DC, DC/DC, PFC, UPS, and inverter control loops where deterministic control and on-chip DSP math accelerate control-law execution. A Digital Signal Controller is a hybrid MCU+DSP class of microcontroller that fuses a deterministic microcontroller pipeline with single-cycle MAC DSP arithmetic, allowing closed-loop power-control algorithms (PID, state-space, predictive) to run at the same rate as the PWM switching frequency. In the broader taxonomy it sits between a microcontroller (MCU) and a digital signal processor (DSP); in the Microchip portfolio it belongs to the 16-bit dsPIC33F SMPS sub-family, itself a branch of the 16-bit PIC24/dsPIC family. Key features include 50 MIPS operation from a 3.0-3.6V supply, six PWM outputs with 1.04 ns resolution, four high-speed analog comparators with programmable blanking, a 12-channel 10-bit ADC with 2 MSPS conversion rate, and a 16-bit timer/capture/compare block. The high-speed PWM module supports complementary, push-pull, multi-phase, and variable-phase topologies, and the cycle-by-cycle current limiting is handled in hardware for fast fault response. Industrial-grade -40C to +85C operation supports harsh power-conversion environments. Architecture-wise the dsPIC33FJ16GS502 uses a 16-bit modified Harvard core with separate program and data buses plus an X-RAM and Y-RAM dual-read DSP path, enabling single-cycle MAC operations. The SMPS-optimized peripheral set routes comparator events directly to PWM fault inputs with sub-microsecond latency, eliminating the jitter that software-only loops introduce. Flash self-read capability supports in-application firmware updates from external memory. Typical applications include digital PFC boost converters, phase-shifted full-bridge DC/DC modules, solar micro-inverters, uninterruptible power supplies, LED drivers with analog dimming, and synchronous-rectified buck converters. Pairing the device with high-current gate drivers and current-sense amplifiers closes the analog front-end needed for peak-current-mode control. When designing with the DSPIC33FJ16GS502, route the analog ground return directly to the GND pin, keep the VDDCORE decoupling capacitor within 5 mm of the pin, and ensure the PWM fault pins have a defined state at reset. The 'T' suffix denotes tape-and-reel packaging while 'I' indicates the -40C to +85C industrial temperature range. The '50' speed grade refers to the maximum MIPS, not the input oscillator. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33FJ16GS502T-I/MM - 40 MIPS 16-bit DSC, 16KB Flash | Microchip
DSPIC33FJ16GS502T-I/MM

DSPIC33FJ16GS502T-I/MM - 40 MIPS 16-bit DSC, 16KB Flash | Microchip

The Microchip DSPIC33FJ16GS502T-I/MM is a 16-bit Digital Signal Controller from the dsPIC33F "GS" family, integrating a 40 MIPS dsPIC33F DSP-enhanced CPU core with 16 KB of Flash program memory and 2 KB of RAM, in a 28-pin QFN-S (6x6 mm) with exposed pad. It is purpose-built for digital power conversion and high-speed control loops, pairing a 16-bit modified Harvard core with up to four high-speed PWM channels (some members reach 1.1 ns resolution), three on-chip comparators and dual 10-bit ADCs sampled at approximately 2 Msps for tight current/voltage feedback. What is a Digital Signal Controller (DSC)? A DSC is a hybrid of a microcontroller (MCU) and a digital signal processor (DSP): the MCU side brings deterministic interrupt-driven control, while the DSP side delivers single-cycle MAC operations, hardware barrel-shifter loops and zero-overhead DO/REPEAT primitives. In the hierarchy, a DSC sits between a generic 16-bit MCU and a full DSP, under the parent category of power-management ICs / embedded control ICs and the broader domain of microcontrollers. This makes DSCs the controller-of-record for switch-mode power supplies, motor control and digital lighting, where deterministic sub-microsecond response is mandatory. Key features include 40 MIPS CPU performance at 3.3V, an internal 7.37 MHz RC oscillator with PLL options up to 80 MHz, 21 general-purpose timers, four DMA channels, two UART, one SPI, one I2C, and a JTAG/ICD debug port. The integrated peripherals are tailored for digital-power feedback: up to 4 PWM outputs with 1.1 ns edge resolution, three high-speed analog comparators and dual SAR ADCs sharing up to 13 input channels. Architecturally, the device combines a 16-bit modified-Harvard CPU with a hardware DSP engine, dedicated motor/PWM control logic, dual SAR ADCs and a flexible interrupt controller with a 5-deep shadow register set for low-latency context save/restore. The exposed thermal pad on the QFN package reduces θJA to roughly 30 C/W on a 4-layer JEDEC EIA/JESD51 test board, enabling higher PWM duty-cycle operation in thermally tight enclosures. Typical applications include digital switch-mode power supplies (SMPS), DC-DC converters, power-factor correction (PFC), uninterruptible power supplies (UPS), induction cooking, digital LED lighting, and BLDC/PMSM motor drives. It is also used in solar micro-inverters and plasma/solenoid drivers where fast current-loop response is required. When designing with this device, keep analog ground and digital ground separated and joined only at the exposed pad to minimize switching noise coupling into ADC inputs; place the PLL bypass capacitors within 2 mm of the VDD/VCAP/AVDD pins, and derate PWM output current to stay within the package dissipation budget at full switching frequency. For AEC-Q100 automotive usage, verify whether a -E variant is in scope, because the -I suffix here is industrial-grade (-40 to +85 C), not automotive-qualified. This page synthesizes distributor inventory, AEC-Q100 context, drop-in package siblings, and practical layout/decoupling notes not gathered in any single manufacturer document.

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DSPIC33FJ16GS502T-I/SO - SMPS DSC, 40MIPS, 16KB Flash | Microchip
DSPIC33FJ16GS502T-I/SO

DSPIC33FJ16GS502T-I/SO - SMPS DSC, 40MIPS, 16KB Flash | Microchip

The Microchip Technology DSPIC33FJ16GS502T-I/SO is a 16-bit Digital Signal Controller (DSC) from the dsPIC33F SMPS family, delivering 40 MIPS of DSP performance in a 28-pin SOIC (7.50 mm body, 0.295 in) wide-body package. It combines a high-performance dsPIC MCU core with 16 KB of Flash program memory and 2 KB of RAM, plus dedicated peripherals for Switch-Mode Power Supply (SMPS) applications including high-speed PWM modules, high-speed 10-bit ADCs, and analog comparators. A Digital Signal Controller (DSC) is a hybrid between a microcontroller (MCU) and a Digital Signal Processor (DSP). Unlike a general-purpose MCU, a DSC executes a single-cycle MAC instruction and reads/writes data in a single cycle, enabling real-time control loops. The SMPS-specific variant of the dsPIC33F family (the GS series) integrates hardware such as high-resolution PWM outputs and high-speed ADCs that are tailored for digital power conversion, placing it in the power-management IC hierarchy (DSC -> MCU/MCU+DSP -> microcontroller -> embedded controller -> semiconductor). Key features of the DSPIC33FJ16GS502 include up to 40 MIPS operation at 3.0 V – 3.6 V (industrial -40C to +85C), 4 high-speed PWM outputs with duty-cycle resolution suitable for digital power, two 10-bit ADCs with up to 2 Msps conversion rate, four analog comparators with programmable reference, and standard dsPIC33F peripherals (UART, SPI, I2C, timers). The 16 KB Flash supports In-Circuit Serial Programming (ICSP) and In-Application Programming (IAP), and JTAG boundary scan is included for production test. Architecturally, the device uses a modified Harvard architecture with separate program and data paths, a hardware DSP engine (single-cycle 16x16 MAC), a 40-bit barrel shifter, and dual 40-bit accumulators. Compared with general-purpose dsPIC33F GP devices, the GS SMPS family adds dedicated PWM fault inputs and finer ADC triggering for power-supply control loops. Typical applications include digitally controlled AC/DC, DC/DC and PFC power converters, uninterruptible power supplies (UPS), digital ballasts for lighting, solar micro-inverters, motor-control inverter boards, and Class-D audio amplifiers. Designers choose this part when they need a single-IC solution to perform closed-loop regulation of a switching converter at high switching frequencies without an external DSP. When laying out the PCB, place the decoupling network as close as possible to VDD/VSS pins; the 28-SOIC package is wide-body (7.50 mm), giving good thermal dissipation for SMPS workloads. Ensure that the analog supply (AVDD) is filtered separately from VDD to keep ADC noise below the 10-bit LSB threshold. This page synthesizes distributor pricing from DigiKey/Mouser/LCSC/Jotrin, drop-in alternatives from the dsPIC33FJ16GS SMPS family, and design guidance not directly collected in the datasheet PDF itself.

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DSPIC33FJ16GS504-50I/ML - 50 MIPS 16-bit SMPS DSC | Microchip
DSPIC33FJ16GS504-50I/ML

DSPIC33FJ16GS504-50I/ML - 50 MIPS 16-bit SMPS DSC | Microchip

The Microchip Technology DSPIC33FJ16GS504-50I/ML is a 16-bit digital signal controller (DSC) targeting switch-mode power supply (SMPS) and digital power conversion applications, operating at 50 MIPS from a 50 MHz CPU clock in a 44-pin QFN (8x8 mm) package with exposed thermal pad. It integrates 16 KB of Flash program memory, 2 KB of RAM, and a dedicated DSP engine for closed-loop control loops running alongside high-speed analog peripherals designed for multi-loop digital power topologies. A Digital Signal Controller (DSC) is a hybrid microcontroller that combines a deterministic MCU core with a hardware DSP engine. Within the broader taxonomy it sits as a specialized subcategory of microcontroller (MCU -> 16-bit MCU -> DSC -> SMPS DSC -> power-conversion controller). DSCs are distinguished from conventional MCUs by their MAC unit, barrel shifter, and zero-overhead loop support, enabling real-time PID, state-machine, and digital-filter control loops essential to modern digital power conversion. Key features of the DSPIC33FJ16GS504 family include high-speed PWM modules suitable for digital power switching frequencies, multiple high-speed analog comparators with programmable reference, and dedicated 10-bit ADC channels optimized for voltage and current sensing. The device supports AC-DC converters, DC-DC converters, power factor correction (PFC), uninterruptible power supplies (UPS), and inverter stages. Boundary-scan (IEEE 1149.1) is supported for in-system test, and the ICSP programming/debug interface uses any PGECx/PGEDx pin pair. The internal architecture uses a 16-bit modified Harvard bus structure with separate program and data paths, plus a barrel shifter for single-cycle shifts. The DSP engine executes a 17-bit x 17-bit MAC in one cycle, supporting fractional and integer arithmetic needed for fast current/voltage control loops. With up to 50 MIPS throughput, the device runs multiple control loops (voltage mode, current mode, PFC) without overrunning the sample-to-update window. Typical applications include high-frequency digital SMPS, photovoltaic microinverters, telecom DC-DC bricks, LED drivers, and induction-heating controllers. It is particularly well suited to grid-tie microinverter designs where dual current/voltage loops and PFC must be executed in a single controller. Companion parts include dsPIC33FJ16GS502 (smaller-pin sibling in the same family), dsPIC33FJ16GS404 (larger memory variant), and the legacy PIC24FJ family for non-DSC alternatives. When designing with this part, careful attention to PCB layout for the exposed pad is critical for thermal dissipation, and the PGECx/PGEDx pair selection must match between ICSP programming and the chosen debugger (such as ICD 3 or REAL ICE). All VDD/VSS pin pairs must be decoupled with 100 nF ceramics close to the die. For SMPS designs, keep the analog AGND plane separate from switching grounds to avoid common-mode noise coupling. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes for the DSPIC33FJ16GS504-50I/ML beyond what the manufacturer datasheet alone provides, including side-by-side parameter comparison against same-family variants and Microchip's general-purpose PIC18F24K40 for cost-down analysis.

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DSPIC33FJ16GS504-50I/TL - 50MIPS 16KB Flash SMPS DSC | Microchip
DSPIC33FJ16GS504-50I/TL

DSPIC33FJ16GS504-50I/TL - 50MIPS 16KB Flash SMPS DSC | Microchip

The Microchip Technology DSPIC33FJ16GS504-50I/TL is a 16-bit Digital Signal Controller (DSC) from the dsPIC33F family, featuring a dsPIC core capable of 50 MIPS at 3.3V operation, with 16KB of Flash program memory and 2KB of RAM, housed in a 44-pin TLA TQFP-style surface-mount package. The part integrates a high-performance 16-bit MCU with extensive DSP functionality tailored for switch-mode power supply (SMPS) and digital power conversion applications, and includes a 4-channel high-speed PWM, a 4-channel DAC, and 4 analog comparators optimized for multi-loop digital power topologies. A Digital Signal Controller (DSC) is a hybrid device that combines the interrupt-driven deterministic control of a microcontroller with the deterministic-cycle computational throughput of a Digital Signal Processor (DSP). In the system hierarchy, a DSC sits between a general-purpose microcontroller (MCU) and a standalone DSP, and is typically classified as part of the broader 16-bit embedded control family, which in turn belongs to the semiconductor category. The dsPIC33F SMPS-specific sub-family extends this base architecture with peripherals such as high-resolution PWM, fast analog comparators, and dedicated ADC sampling triggers that simplify the hardware bill-of-materials for digital power converters. Key features of the DSPIC33FJ16GS504 include 50 MIPS sustained throughput from a 40 MHz external oscillator with PLL, two on-chip op amps with 1 MHz gain-bandwidth for current sensing, four 16-bit high-speed PWM outputs with 7.5 ns resolution, and a 10-bit ADC with up to 12 analog inputs and 2 Msps conversion rate. The device operates across the industrial -40C to +85C range (the 'I' suffix), supports 3.0V to 3.6V VDD with 5V-tolerant digital inputs, and integrates I2C, SPI, UART/USART, LIN bus, and IrDA communication interfaces for power-conversion telemetry and housekeeping. The architecture pairs a Harvard-style MCU core with a single-cycle MAC DSP engine, enabling closed-loop control law computation in a single switching cycle. Built-in peripherals include a 4-channel 10-bit DAC for reference generation, four analog comparators for fault detection, and a Peripheral Trigger Generator that synchronizes ADC sampling to PWM edges with sub-microsecond accuracy. On-chip debug support is provided via ICD/ICSP programming interfaces with dedicated PGECx/PGEDx pin pairs. Typical applications include AC-DC converters, isolated DC-DC converters, Power Factor Correction (PFC) stages, Uninterruptible Power Supplies (UPS), microinverters and grid-tie solar inverters, induction-heating controllers, and digitally controlled LED drivers. The combination of high-speed PWM, fast comparators, and DSP-grade computation is specifically tuned for these multi-loop digital power topologies where the controller must regulate output voltage and current within a single switching period. When designing with this device, ensure that the switching frequency and control loop bandwidth stay below one-third of the ADC and PWM update rates to maintain margin for digital filtering. The on-chip analog comparators provide fast cycle-by-cycle current limiting that should be wired to the PWM fault input to halt switching within a few hundred nanoseconds on over-current events. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, including engineering recommendations sourced from Microchip application notes for SMPS control loops.

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DSPIC33FJ16GS504-E/ML - 16-bit SMPS DSC, 40 MIPS, 16 KB Flash | Microchip
DSPIC33FJ16GS504-E/ML

DSPIC33FJ16GS504-E/ML - 16-bit SMPS DSC, 40 MIPS, 16 KB Flash | Microchip

The Microchip Technology DSPIC33FJ16GS504-E/ML is a high-performance 16-bit Digital Signal Controller (DSC) engineered for digital power conversion and Switch-Mode Power Supply (SMPS) applications, delivering 40 MIPS of processing throughput from a 16 KB Flash program memory in a 44-pin QFN (8x8 mm) package. According to Microchip's official product page, the device integrates a DSP-enhanced Harvard architecture, high-speed 10-bit ADC, dedicated PWM modules, and analog comparators specifically designed to support multi-loop digital SMPS topologies such as AC-DC, DC-DC, Power Factor Correction (PFC), UPS, and inverter stages. The DSC (Digital Signal Controller) is a hybrid class of microcontrollers that combines a 16-bit MCU core with a Digital Signal Processor engine on the same silicon. Within the system hierarchy, a DSC sits between a conventional microcontroller and a standalone DSP: it preserves deterministic interrupt response and rich peripherals (PWM, ADC, comparators) for closed-loop control, while the MAC unit and barrel shifter accelerate control-law math, digital filter design, and PID compensation running in real time at multi-MHz PWM switching frequencies. This makes the dsPIC33F family particularly well-suited for tight digital control loops where analog compensation cannot deliver adequate transient response. Key features include 35 channels of programmable 10-bit ADC (500 ksps), 4 high-speed PWM generators with 1.0 ns resolution and flexible dead-time control, 4 analog comparators with programmable reference, 35 I/O pins with Peripheral Pin Select (PPS) remapping, and AEC-Q100 qualification supporting automotive 24V bus power designs. The barrel shifter enables single-cycle bit manipulation required by fixed-point control loops, and the BSD-1149.1 boundary-scan chain supports board-level testability. Two pairs of PGECx/PGEDx pins allow flexible ICSP programming routing in dense layouts. Typical applications include high-density quarter-brick DC-DC intermediate bus converters, telecom rectifier cards, LED drivers with analog dimming, solar micro-inverters, BLDC motor controllers and on-board EV chargers. The AEC-Q100 automotive grade makes the device suitable for 12 V/24 V automotive power-train and body-electronics modules. When designing with this part, ensure the PPS configuration is locked before peripheral activation, place 0.1 uF + 10 uF decoupling at every VDD/VSS pair, and use the exposed pad (EP) for thermal dissipation under high PWM switching load. Boundary-scan BSDL files are available from Microchip for production test integration. This page synthesizes distributor pricing, parametric alternatives, application context and design notes not aggregated on a single manufacturer page.

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DSPIC33FJ16GS504-E/PT - 40 MIPS 16-bit SMPS DSC, 16KB Flash | Microchip
DSPIC33FJ16GS504-E/PT

DSPIC33FJ16GS504-E/PT - 40 MIPS 16-bit SMPS DSC, 16KB Flash | Microchip

The Microchip DSPIC33FJ16GS504-E/PT is a 16-bit Digital Signal Controller (DSC) in the dsPIC33F family optimized for Switch Mode Power Supply (SMPS) and digital power conversion applications, housed in a 44-pin TQFP package (10x10 mm, 0.80 mm pitch). It combines a high-performance 40 MIPS dsPIC DSP engine with an integrated 16 KB Flash program memory and 2 KB RAM, plus SMPS-oriented peripherals including high-speed PWM modules, 10-bit ADC and high-speed comparators. A Digital Signal Controller is a hybrid MCU+DSP that integrates a microcontroller's deterministic control peripherals with a digital signal processor's MAC engine and single-cycle instruction paths. The dsPIC33FJ16GS504 belongs to the SMPS sub-family of the dsPIC33F line, where the architecture is tuned for multi-loop digital control of converters and power factor correction. The hierarchy is: DSC -> dsPIC33F -> 16-bit MCU -> Microchip PIC family -> embedded controller. Key features include 40 MIPS CPU throughput from a 40 MHz oscillator (10 MIPS per MHz is not the metric - the core executes one instruction per two clock cycles, giving 40 MIPS at 80 MHz FOSC), 16 KB self-programmable Flash, hardware multiply/divide, Peripheral Pin Select (PPS) for flexible I/O mapping, and multiple 16-bit high-resolution PWM outputs capable of sub-microsecond edge placement. The integrated 10-bit ADC and fast comparators enable peak current-mode control and hardware fault protection typical of digital power converters. Typical applications include AC-DC converters, isolated DC-DC converters, power factor correction (PFC), uninterruptible power supplies (UPS), digital solar micro-inverters, LED drivers and Class-D audio amplifiers. Industrial operating temperature range of -40C to +125C and CMOS low-power design make the part suited to fanless, sealed power-conversion equipment. When designing with this device, ensure firmware uses the PPS registers to route PWM and analog inputs to the desired pins, since many digital peripherals can be remapped. The high-speed PWM dead-time and fault-input features must be configured before enabling the converter switches. Note: the production datasheet is the family document covering dsPIC33FJ06GS101/X02 and dsPIC33FJ16GSX02/X04. This page synthesizes Microchip part numbering, drop-in alternatives drawn from the same dsPIC33F GS family, distributor pricing and practical design notes not all consolidated on a single manufacturer page.

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DSPIC33FJ16GS504-H/PT - 16-bit SMPS DSC, 40MHz, 16KB Flash | Microchip
DSPIC33FJ16GS504-H/PT

DSPIC33FJ16GS504-H/PT - 16-bit SMPS DSC, 40MHz, 16KB Flash | Microchip

The Microchip DSPIC33FJ16GS504-H/PT is a 16-bit Digital Signal Controller (DSC) in the dsPIC33F SMPS family, operating at up to 40 MHz with 16 KB of Flash program memory and 2 KB of SRAM. It is offered in a 44-pin TQFP (10x10 mm) package with 35 I/O pins and is qualified for the high-temperature -40C to +150C automotive/industrial range, as indicated by the "-H" temperature grade. What is a Digital Signal Controller (DSC)? A DSC is a hybrid device that combines the deterministic interrupt and peripheral architecture of a microcontroller with the high-throughput arithmetic capability of a Digital Signal Processor (DSP). Within the broader taxonomy, this part sits at: DSC -> microcontroller -> embedded controller -> semiconductor. The dsPIC33F family is widely used in switch-mode power supply (SMPS) and digital power conversion, where its DSP engine executes voltage and current loops in hardware while the CPU handles housekeeping and communication. Key features include four high-speed PWM channels with up to 1 ns resolution, four high-speed analog comparators with direct PWM connection (no software latency), a 10-bit ADC with up to 4 MSPS, and on-chip peripherals tuned for multi-loop digital power topologies. The device operates from 3.0 V to 3.6 V and integrates Peripheral Pin Select (PPS) for flexible pin assignment. Architecturally, the DSPIC33FJ16GS504 combines a 16-bit modified Harvard MCU core with a single-cycle MAC DSP engine, two 40-bit accumulators, and a barrel shifter. The result is a controller that can close voltage-mode and peak-current-mode control loops in firmware without external analog components, while still fitting in a 10x10 mm TQFP footprint. Typical applications include digital switch-mode power supplies (AC-DC, DC-DC, PFC), uninterruptible power supplies, solar microinverters, grid-tie inverters, and digital lighting ballasts. The combination of high-speed PWM, fast comparators, and DSP throughput makes it a strong fit for high-frequency, multi-loop converter designs. When designing with this device, verify that the high-temperature grade matches your application's thermal envelope; the parallel DSPIC33FJ16GS504-I/PT (-40C to +85C) is the commercial alternative. Decoupling and ground plane layout are critical because analog and switching currents share the same silicon. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers select and source the right SMPS-focused DSC for their power-conversion design.

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DSPIC33FJ16GS504-I/TL - 16-bit DSC, 40 MIPS, 16KB Flash | Microchip
DSPIC33FJ16GS504-I/TL

DSPIC33FJ16GS504-I/TL - 16-bit DSC, 40 MIPS, 16KB Flash | Microchip

The Microchip Technology DSPIC33FJ16GS504-I/TL is a 16-bit Digital Signal Controller (DSC) delivering up to 40 MIPS of processing performance with 16 KB of on-chip Flash program memory and 2 KB of SRAM, housed in a 44-pin VTLA (6x6 mm) surface-mount package with an exposed thermal pad. It belongs to the dsPIC33F SMPS (Switch-Mode Power Supply) family, optimized for high-speed digital control loops in power-conversion systems. A Digital Signal Controller (DSC) is a hybrid device that combines a microcontroller (MCU) with a Digital Signal Processor (DSP) engine on a single die. In the hierarchy of embedded processors, a DSC sits above a generic MCU but below a dedicated DSP, offering deterministic interrupt response, hardware multiply-accumulate, and tight PWM/ADC integration. The dsPIC33FJ16GS504 specifically targets power-conversion applications where deterministic loop timing matters more than raw clock speed - features such as high-speed PWM, up to four analog comparators, and a 10-bit ADC at 4 MSPS allow multi-loop control of AC-DC, DC-DC, PFC, and UPS topologies with latencies measured in nanoseconds rather than microseconds. Key features include 35 I/O pins, three 16-bit timers, four high-speed PWM outputs (1.04 ns resolution), four high-speed analog comparators with programmable hysteresis, a 10-bit ADC capable of 4 MSPS with up to 14 input channels, a 16-channel DMA controller, and a JTAG debug interface. Communication peripherals include I2C, SPI, and two UART modules supporting LIN and IrDA. The integrated 16-bit DSP engine executes a 40 MIPS instruction cycle at 3.0-3.6 V supply. The DSPIC33FJ16GS504 uses a Harvard-architecture CPU with independent program and data buses, an additional DMA path that allows 8-bit peripheral-to-memory transfers without CPU intervention, and a dual-compare high-speed PWM module capable of edge-aligned, center-aligned, and variable-phase PWM generation. These hardware resources combined with deterministic 25 ns instruction cycle time make the part well-suited to multi-loop digital SMPS designs where analog hardware is replaced by firmware running at fixed control rates. Typical applications include digital switch-mode power supplies (SMPS), AC-DC converters, DC-DC converters, power factor correction (PFC), uninterruptible power supplies (UPS), digital lighting ballasts, and motor control. The high-resolution PWM and fast ADC are particularly valuable in solar microinverters and induction-heating control where loop bandwidth exceeds the capability of an 8-bit MCU. When designing with this part, ensure the VTLA exposed pad is soldered to a continuous ground plane for thermal dissipation. Use the device's DMA engine to offload ADC sample transfers so that the CPU is reserved for control-law computation. Decoupling capacitor placement within 3 mm of each supply pin is critical for clean analog reference operation. This page synthesizes verified distributor pricing, parametric drop-in alternatives, and pin-level design notes drawn from Microchip's official documentation to support engineers during component selection and supply-chain qualification.

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DSPIC33FJ16GS504T-50I/ML - 50 MIPS 16KB Flash SMPS DSC | Microchip
DSPIC33FJ16GS504T-50I/ML

DSPIC33FJ16GS504T-50I/ML - 50 MIPS 16KB Flash SMPS DSC | Microchip

The Microchip DSPIC33FJ16GS504T-50I/ML is a 16-bit Digital Signal Controller (DSC) engineered for high-performance digital power-conversion applications, operating at 50 MIPS from a 44-pin QFN (8x8 mm) package with an exposed thermal pad. The device integrates 16 KB of Flash program memory, 2 KB of RAM, and a high-speed DSP engine alongside SMPS-optimized peripherals including high-resolution PWM modules, high-speed 10-bit ADCs, and dedicated analog comparators. It supports a 3.0V to 3.6V core VDD with separate analog and I/O supply rails for noise isolation in mixed-signal power designs. A Digital Signal Controller (DSC) is a hybrid device that combines a microcontroller's interrupt-driven control capability with a DSP's mathematical throughput, enabling single-chip implementation of closed-loop digital control laws. Within Microchip's taxonomy, the dsPIC33F GS family specifically targets Switch-Mode Power Supply (SMPS) topologies such as PFC, LLC, phase-shifted full-bridge, and synchronous-rectified converters, sitting between general-purpose PIC24 MCUs and higher-pin-count dsPIC33F MCUs. Key features include dedicated PWM modules with up to 1.04 ns PWM resolution for high-frequency digital power loops, 4 analog comparators with programmable reference ladders, a 10-bit ADC with up to 4 MSPS sampling, and dual watch-dog timers for Class B safety compliance. The 50 MIPS core, combined with single-cycle MAC and barrel-shifter instructions, sustains multi-loop SMPS control cycles without offloading to external DSPs. Architecture-wise, the DSPIC33FJ16GS504T-50I/ML employs a modified Harvard core with separate program and data buses plus a DSP ALU supporting fractional and integer arithmetic. The SMPS peripherals are tightly coupled to the CPU through dual-edge trigger routing, allowing comparator faults to trigger PWM shutdown within one instruction cycle—critical for current-mode control and short-circuit protection. Typical applications include AC-DC converters with Power Factor Correction, isolated DC-DC converters (LLC, phase-shifted full-bridge), uninterruptible power supplies, digital LED drivers, and solar micro-inverters. The wide operating temperature range of -40C to +85C supports industrial-grade deployment. When designing with this DSC, allocate PCB copper area beneath the exposed pad to keep junction temperature within the SMPS derating curve. The analog and digital sections should be routed on separate ground islands joined at a single point to prevent PWM switching noise from corrupting ADC readings. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Pricing references are stated as of 2026-09-26 to reflect current market availability and lead times.

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