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

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

The Microchip Technology DSPIC33FJ16GS504T-50I/PT is a 16-bit Digital Signal Controller (DSC) from the dsPIC33F SMPS family, combining DSP performance with MCU simplicity and integrating high-speed PWM, 10-bit ADC, and analog comparators tailored for digital power conversion. It delivers 50 MIPS (40 MHz MIPS equivalent at 2.3 V core) from 16 KB of Flash program memory and 2 KB of RAM, packaged in a 44-pin TQFP (10x10 mm, 0.80 mm pitch, also denoted PT). The "T" suffix indicates tape-and-reel packaging and the "50I" speed grade denotes 50 MIPS industrial temperature operation from -40C to +85C. A Digital Signal Controller (DSC) is a class of embedded processor that pairs a modified Harvard RISC CPU with a DSP engine, enabling deterministic single-cycle MAC operations and high-throughput digital filtering without external DSP co-processors. Within the embedded hierarchy, DSCs sit between microcontrollers (MCUs) and full DSPs, optimized for real-time control loops such as digital switch-mode power supplies (SMPS), motor drives, and power-factor correction. The dsPIC33F SMPS sub-family devices also integrate dedicated analog peripherals to close multiple control loops in a single chip. Key features of the DSPIC33FJ16GS504T-50I/PT include high-resolution PWM outputs supporting multi-loop SMPS topologies, a 10-bit analog-to-digital converter with up to 24 input channels, dual analog comparators with programmable hysteresis, and a peripheral engine designed for cycle-by-cycle current limiting. The dsPIC33F core executes a single-cycle 16x16-bit MAC and supports fractional arithmetic, enabling efficient digital compensator implementation for voltage-mode and current-mode converters. Multiple communication peripherals (UART, SPI, I2C) provide flexibility for system telemetry and external synchronization. Typical applications include AC-to-DC converters, isolated and non-isolated DC-to-DC converters, power factor correction (PFC), uninterruptible power supplies (UPS), solar micro-inverters, digital LED drivers, and BLDC motor controllers. The integrated high-speed analog front-end substantially reduces the BOM count by replacing external comparators and dedicated PWM controllers in legacy analog designs. When designing with this device, confirm that the 3.0 V to 3.6 V VDD supply range and 50 MIPS throughput match the control-loop sampling budget of the chosen topology. The 44-pin TQFP provides 35 general-purpose I/O pins, leaving sufficient headroom for multi-phase current sensing, fault inputs, and communication buses. For higher-memory or extended-temperature variants, evaluate the dsPIC33FJ16GS504-50I/PT (tray), the -I/PT industrial range, or the higher-pin-count dsPIC33FJ16GS404 family. This page synthesizes distributor pricing, parametric alternatives, and design guidance drawn from Microchip documentation - complementary to, not a replacement for, the official datasheet.

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DSPIC33FJ16GS504T-50I/TL - 50 MIPS 16-Bit SMPS DSC | Microchip
DSPIC33FJ16GS504T-50I/TL

DSPIC33FJ16GS504T-50I/TL - 50 MIPS 16-Bit SMPS DSC | Microchip

The Microchip DSPIC33FJ16GS504T-50I/TL is a 16-bit Digital Signal Controller (DSC) from the dsPIC33F SMPS family, delivering 50 MIPS of performance at up to 50 MHz core clock and integrating high-speed peripherals tailored for Switch-Mode Power Supply (SMPS) and digital power conversion applications. It comes in a 44-pin VTLA (6x6 mm) surface-mount package with the “TL” package designator and is supplied on tape and reel (“T” suffix). Per the Microchip product page and distributor listings, the device includes 16 KB of Flash program memory, 2 KB (2048 words) of RAM, hardware MAC, zero-overhead looping, integrated PWM control with DAC, integrated ADC interface, RTC/timer, interrupt controller, and low-power modes. Operating voltage is 3.0 V to 3.6 V with an industrial temperature range of -40C to +85C. A Digital Signal Controller (DSC) is a hybrid device that combines the deterministic interrupt and bit-manipulation strengths of a microcontroller with the computational throughput of a digital signal processor (DSP). Within the broader taxonomy, the dsPIC33F DSC sits below a general-purpose DSP, below a 16-bit MCU, and ultimately under the microcontroller and embedded-processor family. The “SMPS” variant of dsPIC33F adds high-resolution PWM, dedicated current/voltage feedback paths, and analog comparators specifically tuned for closed-loop digital control of DC-DC converters, PFC stages, and lighting ballasts. Key differentiating features of the DSPIC33FJ16GS504T-50I/TL include 50 MIPS CPU performance (vs. 40 MIPS on the lower-speed -I/TL sibling), 16 KB self-programmable Flash, 2 KB RAM, hardware multiply-accumulate (MAC), 4 analog comparators with DAC references, 12-bit ADC with up to 8 channels, high-speed 10-bit PWM outputs suitable for multi-phase SMPS topologies, and zero-overhead loop support that simplifies digital compensator code. The 44-pin VTLA package is optimized for compact digital-power modules. Architecturally, the device uses a modified Harvard architecture with separate program and data buses, a 16-bit wide datapath, and a DSP engine that executes a 17-bit x 17-bit MAC in one cycle. This combination allows tight C-control loops on PFC, LLC, and synchronous buck converters while leaving CPU headroom for housekeeping tasks such as PMBus communication, sequencing, and protective state machines. Typical applications include digitally controlled AC-DC and DC-DC converters (PFC, LLC, full-bridge), LED drivers and dimmable ballasts, solar micro-inverters, UPS systems, and industrial motor-control auxiliary rails. The high-speed PWM and on-chip comparators enable cycle-by-cycle current limiting and adaptive dead-time insertion, which are difficult to implement on a generic microcontroller. When designing with the DSPIC33FJ16GS504T-50I/TL, ensure the 3.3 V rail is well decoupled (typically a 1 uF + 100 nF pair near each VDD/VSS pin pair), respect the 3.6 V absolute-maximum supply rating, and assign PWM fault inputs to prioritized change-notification pins to guarantee sub-microsecond over-current shutdown. Use the JTAG or PGx programming interface for in-circuit firmware updates. This page synthesizes distributor pricing, drop-in VTLA-44 package alternatives, and practical design notes drawn from the Microchip SMPS DSC datasheet family that are not consolidated on the manufacturer product page.

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DSPIC33FJ16GS504T-E/TL - 16-bit DSC, 40 MIPS, 16KB Flash | Microchip
DSPIC33FJ16GS504T-E/TL

DSPIC33FJ16GS504T-E/TL - 16-bit DSC, 40 MIPS, 16KB Flash | Microchip

The Microchip Technology DSPIC33FJ16GS504T-E/TL is a high-performance 16-bit Digital Signal Controller (DSC) from the dsPIC33F SMPS family that integrates a dsPIC DSC core with DSP engine, 16 KB of Flash program memory, and 2 KB of SRAM in a 44-pin VTLA (6x6 mm) surface-mount package. It executes instructions at up to 40 MIPS from a 40 MHz oscillator, includes on-chip high-speed 10-bit ADC and 10-bit DAC peripherals aimed at digital power conversion, and supports an extended industrial temperature range denoted by the "E" suffix. A Digital Signal Controller (DSC) is a hybrid microcontroller that combines a deterministic 16-bit MCU controller with a single-cycle DSP MAC engine on the same die. dsPIC33F parts sit within the broader hierarchy: DSC -> microcontroller -> embedded controller -> semiconductor. SMPS-targeted dsPIC33F GS variants such as the 16GS504 add high-resolution PWM outputs and fast ADC sampling intended for switched-mode power supply control loops, where the DSP path runs the compensator while the MCU path handles housekeeping, communication, and protection sequencing. Key features include 16 KB of self-programmable Flash, 2 KB SRAM, 24 channels of 10-bit ADC and 4 channels of 10-bit DAC on chip, multiple PWM modules with duty-cycle resolution suitable for digital power conversion, and a wide 3.0V to 3.6V supply range. The part is AEC-Q100 qualified (Automotive grade per the GlobalSpec datasheet listing) and ships in a 6x6 mm 44-pin VTLA package suitable for compact, high-density power-conversion boards. Architecturally, the 16GS504 pairs a modified Harvard bus with a 16-bit DSP engine capable of single-cycle 16x16 MAC operations. This makes the device suitable for closed-loop control of DC-DC converters, PFC stages, and digital lighting ballasts where deterministic control-loop timing is required without external DSP co-processors. Typical applications include digitally controlled switched-mode power supplies, AC-DC and DC-DC converters with PFC, uninterruptible power supplies (UPS), digital lighting ballasts, and motor-control inverter stages. The extended-temperature ("-E") grade also makes the device suitable for industrial automation and white-goods power stages. When designing with this device, ensure the JTAG/ICSP programming interface is accessible and that the 44-pin VTLA land pattern matches your PCB footprint. Review the SMPS datasheet chapter for ADC acquisition timing and PWM-to-ADC synchronization, because digital power loops are highly sensitive to sampling jitter. This page synthesizes verified distributor pricing, same-package drop-in alternatives, and practical SMPS design notes that go beyond the manufacturer datasheet's parametric summary, helping power-supply engineers shorten component-selection and board-bring-up cycles.

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DSPIC33FJ16GS504T-I/PT - 16-bit DSC, 40 MIPS, 16KB Flash | Microchip
DSPIC33FJ16GS504T-I/PT

DSPIC33FJ16GS504T-I/PT - 16-bit DSC, 40 MIPS, 16KB Flash | Microchip

The Microchip Technology DSPIC33FJ16GS504T-I/PT is a 16-bit Digital Signal Controller (DSC) from the dsPIC33F family, combining MCU-style peripherals with DSP-grade compute throughput. Housed in a 44-pin TQFP (10x10 mm) package and qualified over the -40C to +85C industrial temperature range, it integrates 16 KB of Flash program memory, 2048 bytes of RAM, a 40 MIPS modified Harvard CPU, and SMPS-oriented analog such as high-speed PWM, ADC, and comparators. Tape-and-reel packaging ('T' in the part number) supports high-volume SMD assembly. A Digital Signal Controller (DSC) is a hybrid device that merges the deterministic interrupt response and peripheral set of a microcontroller (MCU) with the multiply-accumulate (MAC) throughput of a digital signal processor (DSP). In the broader semiconductor hierarchy, a DSC sits between MCU and DSP, belongs to the microcontroller family, and is classified as an embedded signal-processing IC. This positioning lets engineers implement closed-loop control, filtering, and modulation firmware in a single device, eliminating the need for a discrete DSP plus MCU partition. Key features include a 40 MHz maximum operating frequency with 40 MIPS sustained throughput, 16-bit data path with DSP engine (single-cycle MAC, barrel shifter, divide), 2048 bytes SRAM, four high-speed PWM channels targeting multi-loop SMPS topologies, a 10-bit ADC with dedicated S&H and conversion rates suitable for current/voltage sense, four analog comparators for cycle-by-cycle current limiting, and standard dsPIC33 communication peripherals (UART, SPI, I2C). Integrated op amps, a 5-bit DAC, and a PWM fault input further reduce the analog bill of materials in power-conversion designs. Architecturally, the device uses a 16-bit modified-Harvard core with a 24-bit instruction word, hardware DO/REPEAT loops, and zero-overhead looping, with the DSP engine supporting fractional (1.15) and integer math in a single cycle. The combination of deterministic core and SMPS-optimized analog makes the GS504 family a reference platform for digital power conversion: voltage-mode and peak-current-mode control, PFC, resonant and phase-shifted full-bridge control, and digital audio amplification all map cleanly onto the on-chip PWM/ADC/peripheral set. Typical applications include AC-DC and DC-DC switch-mode power supplies, power factor correction (PFC) stages, uninterruptible power supplies (UPS), digital audio Class-D amplifiers, induction heating, and motor-control drives. Industrial and renewable-energy converters also benefit from the on-chip analog front end and deterministic PWM, which simplify implementation of multi-loop digital control laws. When designing with this device, ensure that the selected switching frequency and ADC sample timing are co-scheduled with the PWM module to avoid sample-to-PPWM jitter, and select the correct 'speed grade' suffix (40 MIPS or 50 MIPS) for your MIPS budget. For applications requiring higher throughput or more memory, the GS504 may be migrated within the dsPIC33F SMPS family (e.g., dsPIC33FJ16GS404) using compatible peripherals and pinout. This page synthesizes verified distributor pricing, same-package drop-in alternatives, and practical design notes drawn from the Microchip dsPIC33FJ16GS504 family datasheet - information not consolidated on any single distributor page.

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DSPIC33FJ16GS504T-I/TL - 16-Bit 40MIPS DSC 16KB Flash | Microchip
DSPIC33FJ16GS504T-I/TL

DSPIC33FJ16GS504T-I/TL - 16-Bit 40MIPS DSC 16KB Flash | Microchip

The Microchip Technology DSPIC33FJ16GS504T-I/TL is a 16-bit dsPIC33F digital signal controller (DSC) delivering 40 MIPS performance with 16KB (16K x 8) of FLASH program memory, 2KB of data RAM, and an integrated SMPS-focused peripheral set, housed in a 44-pin VTLA (6x6 mm) surface-mount package rated for -40C to +85C industrial operation at a 3.0V to 3.6V supply. A digital signal controller combines the control peripherals of a microcontroller with the math acceleration of a DSP in a single core. Within the power-management hierarchy, the dsPIC33F GS family sits at the intersection of general-purpose MCUs and dedicated digital power ICs: it is a 16-bit DSC optimized specifically for switch-mode power supply (SMPS) loop control, where fast deterministic interrupt response and high-resolution PWM matter more than raw processing throughput. Key features include a high-speed PWM module with complementary outputs and dead-time control for half-bridge and full-bridge converters, integrated analog comparators and a high-speed ADC tailored for current-mode and voltage-mode feedback, hardware MAC acceleration for fast PID compensators, zero-overhead looping for control-loop kernels, RTC and timer resources, low-power modes, and a high-speed peripheral interface for digital communication with companion converters. The architecture pairs the dsPIC33F 16-bit pipelined core with dedicated DSP instructions, enabling single-cycle multiply-accumulate operations that execute control-loop compensation in microseconds. The ADC-PWM synergy allows tightly synchronized current sampling at the midpoint of each PWM cycle, minimizing switching-noise-induced measurement error in peak current-mode control. Typical applications include AC-DC converters, DC-DC converters (including quarter-brick intermediate bus architectures), Power Factor Correction (PFC) stages, and uninterruptible power supplies (UPS), as well as battery chargers and LED drivers where adaptive digital control outperforms fixed analog compensation. Design consideration: the 3.0V to 3.6V supply range requires a clean 3.3V rail; place 0.1uF decoupling at every VDD/VSS pair and keep high-current PWM traces away from the analog feedback lines to preserve ADC accuracy. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33FJ16MC101-E/P - 16-Bit DSC, 16MIPS, 16KB Flash | Microchip
DSPIC33FJ16MC101-E/P

DSPIC33FJ16MC101-E/P - 16-Bit DSC, 16MIPS, 16KB Flash | Microchip

The Microchip Technology DSPIC33FJ16MC101-E/P is a 16-bit digital signal controller (DSC) from the dsPIC33FJ motor control family, delivering 16 MIPS at 40 MHz with 16KB (16K x 8) Flash program memory, 1KB of RAM, and a 20-pin PDIP (0.3 inch, 7.62mm) through-hole package rated for -40C to +125C operation. A digital signal controller combines the computational power of a digital signal processor with the deterministic control structure of a microcontroller. In the embedded systems hierarchy, the DSC sits above general-purpose microcontrollers and below application-specific DSPs, making it ideal for real-time closed-loop control where both fast math (multiply-accumulate, DSP engine instructions) and flexible I/O are required. The dsPIC33F family is Microchip's mainstream 16-bit DSC line, programmed through the MPLAB ecosystem. Key features of this part include a motor control PWM module (MCPWM) for driving three-phase and brushless motors, a 10-bit ADC with 4 input channels for current and voltage feedback, up to four high-speed analog comparators, and a CTMU (Charge Time Measurement Unit) for precision time and capacitive measurement. Peripheral Pin Select (PPS) allows digital peripherals to be remapped to available pins, maximizing flexibility in low-pin-count designs. Communication interfaces include UART, SPI, and I2C. The dsPIC33F core executes an optimized C compiler-friendly instruction set with two 40-bit accumulators, a 17-bit by 17-bit single-cycle hardware multiplier, and a DSP engine supporting MAC and dual data fetch, enabling FOC (field-oriented control) and other math-intensive control algorithms at 16 MIPS. Typical applications include Brushless DC (BLDC) and permanent-magnet motor drives, power factor correction and digital power supplies, battery chargers, and sensor signal conditioning with the CTMU. Design consideration: the part operates from a single 3.0V to 3.6V supply; 5V-tolerant digital pins simplify interfacing, but analog inputs must stay within the VDD range. This page synthesizes distributor pricing tiers, verified drop-in alternatives, and practical motor-control design notes not found in the manufacturer datasheet. Pricing is as of 2026-09-27.

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DSPIC33FJ16MC304-E/PT - 16-bit 40 MIPS DSC 44-TQFP | Microchip
DSPIC33FJ16MC304-E/PT

DSPIC33FJ16MC304-E/PT - 16-bit 40 MIPS DSC 44-TQFP | Microchip

The Microchip Technology DSPIC33FJ16MC304-E/PT is a 16-bit Digital Signal Controller (DSC) delivering 40 MIPS performance with 16 KB FLASH and 2 KB SRAM, housed in a 44-pin TQFP (10 x 10 mm) package with extended temperature operation. A Digital Signal Controller combines the computational throughput of a Digital Signal Processor (DSP) with the deterministic, interrupt-driven behavior of a microcontroller (MCU). Within the power-management hierarchy, the dsPIC33FJ16MC304 family sits in the 16-bit DSC class optimized specifically for digital motor control, where field-oriented control loops, PWM generation, and fast analog feedback must execute within tight cycle budgets. Key features include a 16-bit dsPIC33F core running at up to 40 MIPS, 16 KB (16K x 8) of self-programmable FLASH program memory, 2 KB of SRAM, and two high-speed PWM generators with independent timebases. The Peripheral Pin Select (PPS) capability allows flexible remapping of digital peripherals onto available I/O pins, and up to four high-speed analog comparators with direct connections support current-limit and fault-protection functions without external circuitry. The part also integrates ADC and input-capture/output-compare resources required for sensorless and sensored motor control algorithms. Architecturally, the dsPIC33F core provides DSP-engine multiply-accumulate (MAC) instructions and dual operand fetch, enabling execution of PI and Park/Clarke transform calculations at full 40 MIPS speed. The 3.0 V to 3.6 V supply range matches standard 3.3 V industrial rails. The -E suffix denotes the extended operating temperature option, making the device suitable for thermally demanding enclosures. Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives, power factor correction converters, digital UPS systems, and industrial automation controllers where high-speed PWM and fast comparator-based fault detection are essential. Design consideration: enable the integrated brown-out and watchdog facilities, and route PWM outputs with gate-driver dead-time margins, because the high-speed PWM peripherals can switch fast enough to stress driver stages if dead time is misconfigured. This page synthesizes distributor pricing, drop-in alternatives within the dsPIC33FJ 44-TQFP family, and practical design notes not found in the manufacturer datasheet.

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DSPIC33FJ16MC304-H/PT - 16-bit DSC, 20 MIPS Motor Control | Microchip
DSPIC33FJ16MC304-H/PT

DSPIC33FJ16MC304-H/PT - 16-bit DSC, 20 MIPS Motor Control | Microchip

The Microchip Technology DSPIC33FJ16MC304-H/PT is a 16-bit Digital Signal Controller (DSC) from the dsPIC33FJ16MC304 Motor Control family, delivering 20 MIPS performance at 40 MHz with 16KB of Flash program memory and 2KB of SRAM, housed in a 44-pin TQFP (10x10 mm) package. It integrates high-speed PWM, up to four high-speed comparators, and motor-control peripherals optimized for embedded motor drive applications. A Digital Signal Controller combines the compute throughput of a Digital Signal Processor (DSP) with the peripheral set and deterministic control of a microcontroller (MCU). In the power-management hierarchy of embedded systems, DSCs sit between general-purpose MCUs and dedicated DSPs, making them the preferred choice for closed-loop control of switching power electronics such as BLDC, PMSM, and AC induction motor drives. Key features include two PWM generators with independent timebases, Peripheral Pin Select (PPS) for flexible I/O remapping, an on-chip ADC with comparators for current-sense feedback, and up to 35 general-purpose I/O. The 16KB Flash supports self-programming, and the 2KB SRAM provides working memory for control-loop variables. The -H/PT ordering code denotes extended temperature operation per Microchip data for this device family. Architecturally, the dsPIC33F core pairs a 16-bit RISC CPU with DSP engine instructions (MAC, DSP multiply-accumulate), enabling single-cycle math operations used in field-oriented control (FOC) and PID loops. The supply range is 3.0V to 3.6V nominal 3.3V operation, simplifying integration in standard 3.3V industrial systems. Typical applications include brushless DC motor control, sensorless PMSM drives, digital power supplies (PFC, LLC), and automotive AEC-Q100-qualified auxiliaries. The high-speed PWM with fault inputs and direct comparator connection supports cycle-by-cycle current limiting. Design consideration: leverage Peripheral Pin Select to route PWM and capture signals optimally on the PCB, but note that some analog functions are fixed-pin; plan the ADC input mapping early in layout. Ensure adequate decoupling on all VDD pins of the 44-TQFP. This page synthesizes distributor availability, drop-in same-family alternatives, and practical motor-control design notes not consolidated in the manufacturer datasheet.

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DSPIC33FJ256GP506T-I/PT - 16-bit DSC 40 MIPS 256KB Flash | Microchip
DSPIC33FJ256GP506T-I/PT

DSPIC33FJ256GP506T-I/PT - 16-bit DSC 40 MIPS 256KB Flash | Microchip

The Microchip Technology DSPIC33FJ256GP506T-I/PT is a high-performance 16-bit Digital Signal Controller (DSC) delivering up to 40 MIPS at 3.3V, with 256 KB of on-chip Flash program memory, housed in a 64-pin TQFP (10x10 mm) surface-mount package. A Digital Signal Controller combines the computational architecture of a Digital Signal Processor (DSP) with the peripheral set and control-oriented structure of a microcontroller. Within the power management hierarchy of embedded systems, the dsPIC33F family sits between general-purpose 16-bit MCUs (such as the PIC24) and dedicated DSPs, offering hardware multiply-accumulate (MAC), division support, and DSP instruction extensions while retaining rich microcontroller peripherals. The dsPIC33FJ256GP506 belongs to the General Purpose (GP) subfamily and shares a high degree of pin compatibility with the PIC24H and dsPIC30F families, giving designers seamless migration options. Key features include a modified Harvard architecture optimized for C compilation, 40 MIPS performance from an internal PLL clock scheme, a wide 2.5V to 3.6V operating range, and industrial temperature support (-40C to +85C) indicated by the I suffix. The 64-TQFP package provides ample general-purpose I/O for motor control feedback, communication, and human-interface functions. The controller integrates a high-speed ADC for analog acquisition, multiple serial communication modules (UART, SPI, I2C), general-purpose timers, output-compare/input-capture channels, and in-circuit serial programming (ICSP) via dedicated PGECx/PGEDx pin pairs. The DSP engine supports single-cycle MAC and dual operand fetch, enabling efficient FIR/IIR filtering, FFT computation, and control-loop execution in single-chip designs. Typical applications include digital power supplies and power conversion, sensor signal conditioning and analysis, industrial automation controllers, motor drive interfaces, and general-purpose embedded control where DSP-class math is required alongside microcontroller peripherals. When designing, remember that more than one PGECx/PGEDx pair exists for programming; you must use the selected pair consistently (for example, ICSPCLK on PGEC2 requires ICSPDAT on PGED2). This page synthesizes distributor availability data, drop-in alternatives, and practical design notes beyond what the manufacturer product page alone provides.

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DSPIC33FJ256GP510-I/PT - 16-bit DSC 40 MIPS 256 KB Flash | Microchip
DSPIC33FJ256GP510-I/PT

DSPIC33FJ256GP510-I/PT - 16-bit DSC 40 MIPS 256 KB Flash | Microchip

The Microchip Technology DSPIC33FJ256GP510-I/PT is a high-performance 16-bit Digital Signal Controller (DSC) delivering up to 40 MIPS at 40 MHz, with 256 KB of Flash program memory and 30 KB of SRAM, housed in a 100-pin TQFP (12x12 mm) surface-mount package operating from a single 3.0 V to 3.6 V supply. A Digital Signal Controller combines the compute throughput of a Digital Signal Processor (DSP) with the peripheral integration and deterministic control of a microcontroller (MCU). Within the embedded-processing hierarchy, the DSC sits between a general-purpose MCU and a dedicated DSP, making the dsPIC33F family a natural choice for motor control, digital power conversion, and sensor signal processing where both math throughput and tight real-time I/O are required. Key features of the DSPIC33FJ256GP510 include the dsPIC33F core with a hardware DSP engine (single-cycle 16x16 MAC, 40-bit wide accumulator, dual-operand fetch), a general-purpose peripheral set with multiple UART, SPI, and I2C modules, a high-speed 12-bit ADC with multi-channel scanning, output compare and input capture channels for PWM and timing, plus In-Circuit Serial Programming (ICSP) and in-circuit debugging via PGECx/PGEDx pin pairs. The -I suffix indicates industrial -40C to +85C temperature coverage. Architecturally, the dsPIC33F core executes most instructions in a single cycle at up to 40 MIPS and provides deterministic interrupt latency, which is essential for field-oriented motor control loops and digital power feedback loops. The 256 KB self-programmable Flash supports field firmware updates, and the family offers seamless migration to/from PIC24 MCUs and dsPIC30F DSCs in similar packages, protecting software investment across product generations. Typical applications include BLDC and PMSM motor control drives, switch-mode power supplies and digital lighting, industrial sensors and instrumentation, audio and signal-conditioning front ends, and embedded control in appliances and power tools. When designing the PCB, connect all VDD and VSS pin pairs; per the manufacturer guidance, leaving any supply pin unconnected can cause programming or debugging failures over ICSP. Decouple every supply pin with 0.1 uF ceramics placed close to the pins to keep the analog and digital rails quiet. This page synthesizes distributor pricing data, verified drop-in alternatives, and practical design notes not found in the standard datasheet, as of 2026-10-07.

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