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DSPIC33EP128MU506T-I/PT - 16-bit DSC 128KB Flash | Microchip
DSPIC33EP128MU506T-I/PT

DSPIC33EP128MU506T-I/PT - 16-bit DSC 128KB Flash | Microchip

The Microchip Technology DSPIC33EP128MU506T-I/PT is a 16-bit digital signal controller (DSC) from the dsPIC33EP family with 128 KB of flash program memory, delivered in a 64-pin TQFP (PT) surface-mount package with industrial temperature rating (-40C to +85C). The device integrates a 16-bit dsPIC33E DSP core, USB On-The-Go (OTG) capability, and multiple serial communications peripherals, making it a strong fit for embedded control with USB connectivity. A digital signal controller combines the architecture of a microcontroller (flash memory, general-purpose I/O, timers) with the numeric processing capability of a digital signal processor (hardware multiply-accumulate, DSP instruction set, high-throughput core). In the power-management hierarchy, the DSC sits between a general-purpose MCU and a dedicated DSP: it runs real-time control loops (motor FOC, digital power conversion) while simultaneously managing communication, USB enumeration, and system supervision in a single chip. Key features of the MU506 variant include the 128 KB self-programmable flash array, an integrated full-speed USB 2.0 OTG peripheral (a defining feature of the MU subfamily versus the MC variant), multiple UART, SPI, and I2C modules, PWM output-compare channels, an ADC block, and In-Circuit Serial Programming (ICSP) support for field updates. The 'T' suffix denotes tape-and-reel packaging for automated assembly; 'I' denotes the industrial temperature range. The dsPIC33E core is built around a modified Harvard architecture with a 16-bit data path, supporting 16 x 16 multiply and DSP MAC operations suited to control-law computation. Peripheral trigger-based DMA paths offload data movement from the CPU, which is important in motor control and USB streaming applications where interrupt latency must remain deterministic. Typical applications include USB-connected industrial instruments, digital power supplies and battery chargers, brushless DC and PMSM motor controllers, and general-purpose sensing nodes that must report data over USB. The combination of a DSP-capable core and native USB distinguishes it from PIC16-class controllers. Design consideration: flash size is fixed at 128 KB and cannot be extended, so headroom for firmware growth, USB stacks, and bootloaders should be budgeted at design time; if more memory is needed, pin-compatible DS33EP256MU506 variants in the same TQFP-64 footprint double the flash. This page synthesizes distributor availability data, drop-in alternative options, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP16GS202-E/MX - 16-Bit 60 MIPS Digital Power DSC | Microchip
DSPIC33EP16GS202-E/MX

DSPIC33EP16GS202-E/MX - 16-Bit 60 MIPS Digital Power DSC | Microchip

The Microchip Technology DSPIC33EP16GS202-E/MX is a 16-bit digital signal controller (DSC) delivering up to 60 MIPS performance with 16KB of Flash program memory, supplied at 3.3V and housed in a 28-pin UQFN (6x6 mm) package with exposed pad. It is AEC-Q100 qualified and rated for the extended -40C to +125C temperature range. A digital signal controller combines the computational throughput of a DSP core with the peripheral set and ease of use of a microcontroller. Within the power-management hierarchy, a DSC sits above a general-purpose MCU for control-loop tasks: it closes fast feedback loops in switch-mode power supplies where a standard MCU would be too slow, making the dsPIC33EPXXGS202 family a dedicated platform for digital power conversion. Key features of the GS202 family include a high-speed 16-bit CPU executing DSP instructions, dedicated high-resolution PWM peripherals for switch-mode power conversion, a high-speed ADC pipeline for current- and voltage-loop sampling, on-chip DAC channels, and Functional Safety (FuSa) support as classified by distributors. The exposed-pad UQFN package provides low-inductance ground return and good thermal performance for dense power electronics layouts. Architecturally, the dsPIC33E core uses separate program and data memory spaces and buses, per the Microchip dsPIC33EPXXGS202 Family Data Sheet (DS70005208E), enabling simultaneous instruction fetch and data access that sustains deterministic control-loop timing. Deterministic interrupt latency is a core requirement when sampling inductor current at switching frequency rates. Typical applications include AC-DC and DC-DC switch-mode power supplies, AC-DC converters with power factor correction, and general digital power-conversion systems; Microchip's Interleaved PFC reference design (universal input, up to 350W DC output) is built on this controller family. Design consideration: Flash density of 16KB requires careful code budgeting in C; if control-law code grows, the pin-compatible DSPIC33EP32GS202 in the same family doubles memory without a PCB change. This page synthesizes distributor data, drop-in alternatives, and design guidance not consolidated in the manufacturer datasheet.

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DSPIC33EP16GS202T-E/M6 - 16-bit 70 MIPS DSC 16KB Flash | Microchip
DSPIC33EP16GS202T-E/M6

DSPIC33EP16GS202T-E/M6 - 16-bit 70 MIPS DSC 16KB Flash | Microchip

The Microchip Technology DSPIC33EP16GS202T-E/M6 is a 16-bit digital signal controller (DSC) delivering up to 70 MIPS performance with 16KB (16K x 8) of Flash program memory, 2KB (2K x 8) of RAM, and an operating voltage range of 3V to 3.6V, housed in a 28-pin UQFN (4x4 mm, M6) surface-mount package in extended temperature grade (-40C to +125C). A digital signal controller combines the computational architecture of a microcontroller (MCU) with the signal-processing capability of a DSP. In the power-management hierarchy, the dsPIC33EP16GS202 belongs to Microchip's dsPIC33EP GS family, which integrates interconnected high-speed PWM peripherals, a high-speed ADC with programmable gain amplifier (PGA), and analog comparators - peripherals purpose-built for closed-loop control of switching power converters. Key features include the interconnected high-speed PWM module with individual PWM channels, deadlock and trigger control, 16KB self-programmable Flash with ECC-class safety support (the device is listed as Functional Safety / FuSa capable on DigiKey), connectivity peripherals (I2C, SPI, UART, IrDA, LINbus), 21 general-purpose I/O lines, and an on-chip DSP engine with barrel shifter and dual internal bus architecture for efficient MAC operations. The GS-family architecture was designed specifically for digital power applications: the PWM, ADC, PGA, and comparators are interconnected so that ADC conversion can be triggered by PWM events with minimal latency, enabling high-bandwidth current-mode control loops in switched-mode power supplies. Microchip's 350W interleaved power factor correction (PFC) reference design demonstrates this capability across universal AC input ranges. Typical applications include AC-DC power supplies, interleaved PFC stages, DC-DC converters, digital lighting ballasts, battery chargers, and solar micro-inverters - anywhere deterministic, high-frequency closed-loop control is required. Design consideration: the 3V to 3.6V supply window requires a regulated 3.3V rail; the UQFN 4x4 package exposes a ground pad beneath the die that must be soldered to a solid ground pour for thermal and electrical performance. This page synthesizes distributor listings, drop-in same-family alternatives, and digital-power design guidance not consolidated in the manufacturer datasheet.

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DSPIC33EP16GS202T-E/SO - 16-Bit 60 MIPS DSC 16KB Flash | Microchip
DSPIC33EP16GS202T-E/SO

DSPIC33EP16GS202T-E/SO - 16-Bit 60 MIPS DSC 16KB Flash | Microchip

The Microchip Technology DSPIC33EP16GS202T-E/SO is a 16-bit digital signal controller (DSC) delivering up to 60 MIPS from 16KB (16K x 8) of Flash program memory, housed in a 28-pin SOIC package with an extended -40C to +125C operating temperature range. It belongs to the dsPIC33EP16GS202 family purpose-built for digital power applications, integrating interconnected high-speed PWM, an ADC with programmable gain amplifier (PGA), and on-chip comparators. A digital signal controller combines the compute throughput of a DSP core with the peripheral integration and ease of use of a microcontroller. In the power-management hierarchy, the DSC sits above a generic MCU for control loops: it closes voltage- and current-mode feedback loops in switched-mode power supplies, replacing analog control ICs with firmware-defined control. The dsPIC33 family, and specifically the GS-series 'digital power' devices, is Microchip's platform for this SMPS control role. Key differentiating features include the interconnected high-speed PWM module, whose outputs and triggers can be routed directly to the ADC and comparators with minimal CPU latency - critical for cycle-by-cycle current limiting in converters. The 60 MIPS 16-bit core with DSP instructions (barrel shifter, MAC) executes proportional-integral control loops at switching frequencies in the hundreds of kHz range. Architecturally, the device uses a modified Harvard 16-bit core with pipelined instruction execution, single-cycle multiply-accumulate, and hardware divide support. The Flash-based program memory allows field firmware updates, an advantage over fixed-function analog controllers. The -E temperature variant is qualified for -40C to +125C ambient operation, suiting industrial power supplies operating in enclosed, high-temperature environments. Typical applications include interleaved power factor correction (Microchip's 350W Interleaved PFC reference design targets this family), DC-DC converter control, digital lighting ballasts, battery chargers, and UPS systems. The on-chip PGA and comparators reduce external component count in current-sense signal chains. Design consideration: budget the Flash carefully - 16KB accommodates a compensator and housekeeping tasks, but complex state machines or communication stacks may require the 32KB or 64KB GS202 family variants in the same footprint. This page synthesizes distributor inventory data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP16GS202T-I/SS - 16-Bit 70MIPS DSC 16KB Flash | Microchip
DSPIC33EP16GS202T-I/SS

DSPIC33EP16GS202T-I/SS - 16-Bit 70MIPS DSC 16KB Flash | Microchip

The Microchip Technology DSPIC33EP16GS202T-I/SS is a 16-bit dsPIC33EP (GS series) digital signal controller (DSC) delivering up to 70 MIPS performance, 16KB (16K x 8) of Flash program memory, and a 3.3V supply, housed in a 28-pin SSOP (5.30 mm width) surface-mount package. The T suffix denotes Tape-and-Reel delivery, and the I suffix denotes an industrial operating temperature range of -40C to +85C. A digital signal controller combines the deterministic control of a microcontroller with the mathematical throughput of a DSP core, occupying the mid-tier of the embedded hierarchy: DSC -> microcontroller/DSP -> embedded processor. The dsPIC33EP GS family was architected specifically for digital power and power-conversion applications, integrating dedicated SMPS peripherals alongside standard mixed-signal blocks. Key features include a 16-bit modified Harvard architecture with DSP engine (barrel shifter, 17x17 hardware multiplier, 40-bit accumulator), on-chip high-speed PWM modules with complementary outputs and fault inputs for switch-mode power supply control, and multiple ADC channels for real-time current and voltage feedback. The family is also offered in Functional Safety (FuSa) variants, supporting safety-oriented designs. Architecturally, the GS202 separates program and data memory spaces with dedicated buses, allowing simultaneous instruction fetch and data access. The DSP instructions execute in a single cycle, enabling control-loop rates in the hundreds of kilohertz range that closed-loop digital power supplies demand. Programming and debug use the standard In-Circuit Serial Programming (ICSP) interface shared across the family (see the family Flash Programming Specification, DS70005192B). Typical applications include interleaved power factor correction (Microchip's 350W Interleaved PFC reference design targets this family), DC-DC converter digital control, LED lighting drivers, AC-DC adapters, and battery chargers. When designing with this device, budget PWM resolution against the converter switching frequency and verify Flash capacity, since 16KB suits compact control loops but not complex communication stacks. This page synthesizes distributor stock data, drop-in alternatives, and practical design guidance not found in the manufacturer datasheet.

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DSPIC33EP16GS502-E/SO - 16-Bit DSC, 70 MIPS, Digital Power | Microchip
DSPIC33EP16GS502-E/SO

DSPIC33EP16GS502-E/SO - 16-Bit DSC, 70 MIPS, Digital Power | Microchip

The Microchip Technology DSPIC33EP16GS502-E/SO is a 16-bit Digital Signal Controller (DSC) delivering up to 70 MIPS from 16 KB of Flash program memory, housed in a 28-pin SOIC (SOIC-W, 7.5 mm) package with extended -40C to +125C temperature rating and AEC-Q100 automotive qualification. A Digital Signal Controller combines the computational core of a Digital Signal Processor with the peripherals and deterministic control architecture of a microcontroller. Within the power-management hierarchy, a DSC sits at the heart of switch-mode power conversion systems: it closes the control loop for buck, boost, PFC and LLC stages, replacing analog control ICs with firmware-based control laws such as voltage-mode, current-mode or digital PID. The GS-series differentiator is its interconnected high-Speed PWM module, which supports complementary outputs, dead-time insertion, phase shifting and fault coupling - features purpose-built for digital power topologies. The part also integrates a high-speed 12-bit ADC with a programmable gain amplifier (PGA) and analog comparators, enabling tight, low-latency current sensing directly inside the control loop. Architecturally, the dsPIC33EP core executes an enhanced 16-bit instruction set with DSP multiply-accumulate instructions and two address generation units, sustaining single-cycle MAC operations needed by predictive or adaptive control algorithms. The ADC-to-PWM trigger interconnect minimizes conversion-to-output latency, a critical parameter for loop stability at switching frequencies in the hundreds of kilohertz. Typical applications include interleaved power factor correction (Microchip publishes an interleaved PFC reference design for this family), digital AC-DC and DC-DC power supplies, battery chargers, LED drivers, solar micro-inverters and industrial power conversion. For design, pay close attention to the ADC sampling-to-PWM-update timing budget: clock the ADC synchronously with the PWM period trigger to avoid jitter-induced output ripple, and use the comparators' fast fault path rather than software interrupts for over-current shutdown. This page synthesizes distributor pricing, drop-in family alternatives, and practical digital-power design notes not found in the manufacturer datasheet.

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DSPIC33EP16GS502-I/MM - 16-Bit DSC 70MIPS Digital Power | Microchip
DSPIC33EP16GS502-I/MM

DSPIC33EP16GS502-I/MM - 16-Bit DSC 70MIPS Digital Power | Microchip

The Microchip Technology DSPIC33EP16GS502-I/MM is a 16-bit Digital Signal Controller (DSC) delivering 70 MIPS performance with 16KB of FLASH program memory, housed in a 28-pin QFN-S (6x6 mm) package. It belongs to the dsPIC33EPXXGS50X family purpose-built for digital power applications with interconnected high-speed PWM, ADC, PGA, and comparators. A Digital Signal Controller combines the computational throughput of a digital signal processor with the peripheral integration and control-oriented architecture of a microcontroller. Within the power-management hierarchy, a DSC sits at the heart of digitally controlled switched-mode power supplies (SMPS), replacing analog control loops with firmware-executed compensation, making it the central element of a digital power conversion system. Key features include the dsPIC33EP core running at 70 MIPS, 16KB (16K x 8) of on-chip FLASH, and the interconnected high-speed PWM module designed specifically for power topologies such as buck, boost, PFC, and full-bridge converters. The controller is part of the dsPIC 33EP series and is designated as a Functional Safety (FuSa) capable device per Microchip product documentation. Technically, the GS50x family integrates high-resolution PWM peripherals interconnected with analog comparators and a programmable gain amplifier (PGA), enabling sub-microsecond current-mode control loops without CPU intervention in the fastest path. This architecture offloads cycle-by-cycle current limiting and fault response from software to hardware, which is critical for switch-mode power stages where fault propagation must occur within a single switching period. Typical applications include AC-DC power factor correction (PFC), LLC and full-bridge DC-DC converters, and digital lighting power supplies. Microchip reference designs built on this device include an interleaved PFC design producing up to 350W from universal AC input and a 750W semi-bridgeless PFC plus ZVS full-bridge design. Design consideration: select the -I temperature grade (-40C to +85C) for industrial environments or the -E grade (-40C to +125C, DSPIC33EP16GS502-E/MM) for high-ambient enclosures; both share the same 28-QFN-S footprint. This page synthesizes verified distributor data, drop-in alternatives within the same 28-QFN-S footprint, and practical design guidance not found in the manufacturer datasheet.

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DSPIC33EP16GS502-I/SO - 70 MIPS 16-Bit Digital Power DSC | Microchip
DSPIC33EP16GS502-I/SO

DSPIC33EP16GS502-I/SO - 70 MIPS 16-Bit Digital Power DSC | Microchip

The Microchip DSPIC33EP16GS502-I/SO is a 16-bit digital signal controller (DSC) delivering 70 MIPS performance with 16KB flash memory and 2KB RAM, housed in a 28-pin SOIC package and optimized for digital power applications. A digital signal controller combines the computational throughput of a DSP with the peripheral integration and control architecture of a microcontroller. Within the power management IC hierarchy, DSCs sit at the firmware level of switching power systems: they close control loops for switch-mode power supplies (SMPS), power factor correction (PFC) stages, and DC-DC converters that would otherwise require analog control ICs. The dsPIC33EP GS family extends this concept with interconnected high-speed peripherals purpose-built for digital power. Key features include the dsPIC33EP core running at 70 MIPS, flash execution with hardware DSP multiply-accumulate instructions, Functional Safety (FuSa) support documented by Microchip, and an industrial temperature rating of -40C to +85C denoted by the I suffix. The GS50x family integrates interconnected high-speed PWM, high-speed ADC, PGA (programmable gain amplifier), comparators, and DAC peripherals specifically architected for power conversion. Technically, the interconnected peripherals allow the ADC, PWM, and comparators to trigger and respond without CPU intervention, enabling sub-microsecond loop latency for peak-current-mode control. This is the defining architecture difference versus general-purpose PIC24 or dsPIC33EP MC families. According to the dsPIC33EPXXGS50X family datasheet (Microchip document 70005127), the family targets 16-bit digital signal controllers for digital power applications. Typical applications include digital SMPS, interleaved power factor correction (Microchip provides a dedicated reference design), AC-DC and DC-DC converters, battery chargers, LED drivers, and lighting ballasts. When designing, budget flash carefully: 16KB is sufficient for single-loop SMPS firmware with compensators, but multi-loop systems with state machines may require the 32KB or 64KB GS502 variants, which are pin-compatible. This page synthesizes distributor pricing context, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP16GS502T-E/2N - 16-Bit 60MIPS DSC 16KB | Microchip
DSPIC33EP16GS502T-E/2N

DSPIC33EP16GS502T-E/2N - 16-Bit 60MIPS DSC 16KB | Microchip

The Microchip Technology DSPIC33EP16GS502T-E/2N is a 16-bit digital signal controller (DSC) from the dsPIC33EP16GS502 family, delivering 60 MIPS performance with 16KB (16K x 8) of FLASH program memory and 2KB of RAM in a 28-pin UQFN (6x6 mm) surface-mount package. It is AEC-Q100 qualified, supports Functional Safety (FuSa) development, and is specifically optimized for digital power applications. A digital signal controller combines the compute throughput of a DSP with the peripheral integration and control-oriented architecture of a microcontroller. Within the power-management semiconductor hierarchy, the DSC sits above general-purpose MCUs for control-loop tasks: it closes high-bandwidth feedback loops for switch-mode power supplies, replacing analog control chips with programmable, firmware-updatable control. The dsPIC33EP GS series is Microchip's SMPS and digital-power-conversion DSC family. Key features of the GS50X family include interconnected high-speed PWM peripherals for multi-phase and complementary drive topologies, an on-chip analog front end with ADC, programmable gain amplifier (PGA) and comparators, and hardware DSP multiply-accumulate for fast proportional-integral control loops. These peripherals interconnect so that PWM faults, comparator trips and ADC triggers operate with minimal CPU latency, a decisive advantage in transient-heavy power stages. Technically, the dsPIC33EP core executes an enhanced 16-bit instruction set with DSP addressing modes at up to 60 MIPS. The interconnected PWM module supports complementary, push-pull, and phase-shifted outputs with dead-time insertion, while the analog block feeds conversion results directly into control software or comparator-based hardware limits, enabling overcurrent protection without CPU intervention. Typical applications include AC-DC power supplies with power factor correction, digital lighting ballasts, battery chargers, DC-DC converters, and solar micro-inverters. Microchip's Interleaved PFC reference design, based on the dsPIC33EP16GS502, produces a single high-voltage DC output up to 350W from a universal input range, demonstrating the part's fit for SMPS front ends. When designing with this controller, budget flash carefully: 16KB accommodates one or two closed-loop control schemes plus communication, but complex multi-protocol systems should step up to the pin-compatible DSPIC33EP64GS502. Use the E-grade temperature rating for extended-temperature industrial environments. This page synthesizes distributor availability, pin-compatible memory-step alternatives, and digital-power design guidance not found together in the manufacturer datasheet.

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DSPIC33EP16GS502T-E/SO - 16-Bit 70 MIPS DSC 16KB Flash | Microchip
DSPIC33EP16GS502T-E/SO

DSPIC33EP16GS502T-E/SO - 16-Bit 70 MIPS DSC 16KB Flash | Microchip

The Microchip Technology DSPIC33EP16GS502T-E/SO is a 16-bit dsPIC33EP Digital Signal Controller (DSC) delivering up to 70 MIPS performance with 16KB (16K x 8) of FLASH program memory, packaged in a 28-pin SOIC surface-mount body and qualified for operation from -40C to +85C. A Digital Signal Controller combines the computational power of a DSP core with the peripheral set and ease of use of a microcontroller. Within the power-management hierarchy, the dsPIC33EP GS family sits at the controller layer of digital power systems, feeding PWM drivers that command MOSFETs and IGBTs in switched-mode converters. It is classified by Microchip under Microcontrollers with Functional Safety (FuSa) support. Key features include the 70 MIPS 16-bit modified Harvard architecture core, the SMPS-oriented peripheral set with high-resolution PWM modules optimized for digital power, and industrial temperature rating (suffix -E, -40C to +85C). The tape-and-reel suffix (T) supports automated high-volume assembly. The 16KB FLASH provides dual EEPROM emulation and self-programming capability. Technical depth: the GS family is purpose-built for SMPS and power-conversion control loops, pairing fast ADC sampling with PWM peripherals that support phase-shifted, interleaved, and complementary topologies. Microchip's Interleaved Power Factor Correction reference design based on this family operates over a universal input range and produces a single high-voltage DC output up to 350W, demonstrating the architecture's fitness for digital power. Typical applications include interleaved PFC front ends, digital SMPS, DC-DC converters, battery chargers, and lighting ballasts, where deterministic loop timing and PWM precision determine efficiency and transient response. Design consideration: run the core from a stable 3.0V to 3.6V supply and budget decoupling carefully, since power-conversion environments impose high switching noise on the controller rails. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.

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DSPIC33EP16GS502T-I/MM - 16-bit 70MIPS Digital Power DSC | Microchip
DSPIC33EP16GS502T-I/MM

DSPIC33EP16GS502T-I/MM - 16-bit 70MIPS Digital Power DSC | Microchip

The Microchip DSPIC33EP16GS502T-I/MM is a 16-bit digital signal controller (DSC) delivering 70 MIPS performance with 16 KB of Flash memory and 2 KB of RAM, housed in a 28-pin QFN-S (6x6 mm, MM) surface-mount package with exposed pad. A digital signal controller combines the computational throughput of a DSP core with the peripheral integration and deterministic control of a microcontroller. Within the power-management hierarchy, the DSC sits above a generic MCU for closed-loop conversion tasks: it executes control-loop mathematics (PID, 3p3z compensation) at switching frequencies reaching hundreds of kilohertz, while dedicated analog and timing peripherals offload the CPU. The dsPIC33EP family is Microchip's 16-bit DSC generation designed specifically for digital power and conversion applications. Key features of the GS502 variant include interconnected high-speed PWM modules with individual duty-cycle, phase and dead-time resolution down to sub-nanosecond steps for LLC and phase-shifted topologies; a high-speed 10-bit ADC with multiple sample-and-hold modules able to trigger synchronously from the PWM; on-chip programmable gain amplifiers (PGA) and high-speed comparators that close current-mode loops in hardware; and DSP engine instructions (MAC, DSP multiply) for fast loop execution. Architecturally, the device runs a modified Harvard 16-bit core at up to 70 MIPS from an internal PLL, with interrupt latency low enough for per-cycle current sampling. The GS50x subfamily adds peripheral interconnection (PWM-to-ADC-to-comparator crossbars) that reduces software intervention in the control path. Typical applications include interleaved power factor correction (Microchip's 350 W interleaved PFC reference design uses this family), zero-voltage-switching full-bridge AC-DC converters such as Microchip's 750 W reference design, and digital lighting or telecom power supplies. Design consideration: the 'T' suffix denotes tape-and-reel supply and the 'I' grade specifies -40C to +85C operation; verify the QFN exposed pad is well grounded for thermal and EMC performance. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP16GS502T-I/SO - 70MIPS Digital Power DSC 28-SOIC | Microchip
DSPIC33EP16GS502T-I/SO

DSPIC33EP16GS502T-I/SO - 70MIPS Digital Power DSC 28-SOIC | Microchip

The Microchip Technology DSPIC33EP16GS502T-I/SO is a 16-bit digital signal controller (DSC) delivering 70 MIPS performance with 16KB of Flash program memory, housed in a 28-pin SOIC (300 mil) surface-mount package for digital power applications. A digital signal controller combines the computational throughput of a digital signal processor with the peripheral integration and control architecture of a microcontroller. Within the power-management hierarchy, the DSC sits between a general-purpose MCU and a dedicated power-management IC: it runs closed-loop control firmware for switch-mode power supplies (SMPS), executing current- and voltage-loop algorithms in real time. The dsPIC33EP16GS502 belongs to Microchip's GS-series, purpose-built for digital power conversion. Key features include an interconnected high-speed PWM module designed for multi-phase and interleaved converters, a high-speed analog-to-digital converter, programmable gain amplifiers (PGA), and on-chip comparators - the analog front end required by digital power topologies without external signal-conditioning ICs. The device operates from a 3.0V to 3.6V supply across an industrial temperature range of -40C to +85C (I-temp suffix). Architecturally, the dsPIC33E CPU core with DSP engine executes single-cycle MAC and multiply operations, enabling tight control loops for power factor correction (PFC), LLC resonant converters, and DC-DC stages. Microchip documents an interleaved PFC reference design based on this family that operates from a universal AC input and produces a high-voltage DC output up to 350W, demonstrating the device's fitness for mains-powered conversion stages. Typical applications include AC-DC power supplies, interleaved power factor correction, solar micro-inverters, battery chargers, LED drivers, and digital lighting ballasts, where fast PWM update rates and low-latency ADC sampling determine loop stability and efficiency. Design consideration: budget the Flash carefully - 16KB accommodates a single- or dual-loop control algorithm but not large communication stacks, so choose a higher-density GS502 family variant (32KB/64KB/128KB) if protocol stacks are required. This page synthesizes distributor availability data, same-family drop-in alternatives, and digital-power design guidance not found on standard catalog pages.

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DSPIC33EP16GS504-E/PT - 16-Bit 60 MIPS DSC for Digital Power | Microchip
DSPIC33EP16GS504-E/PT

DSPIC33EP16GS504-E/PT - 16-Bit 60 MIPS DSC for Digital Power | Microchip

The Microchip Technology DSPIC33EP16GS504-E/PT is a 16-bit digital signal controller (DSC) delivering 60 MIPS performance with 16KB (16K x 8) FLASH memory, operating from a 3V to 3.6V supply in a 44-pin TQFP (10x10 mm) package rated from -40C to +125C. A digital signal controller combines the computational throughput of a DSP with the peripherals and ease of use of a microcontroller, sitting within the broader hierarchy of MCU -> 16-bit MCU -> DSC -> digital power management IC. DSCs are the standard choice for closed-loop switch-mode power supplies where fast, deterministic control loops execute at hundreds of kilohertz. The GS-series (SMPS) variant of the dsPIC33EP family is specifically optimized for digital power: it integrates high-speed interconnected PWM modules, an analog-to-digital converter with programmable gain amplifier (PGA), and analog comparators that can trip the PWM outputs in hardware for cycle-by-cycle current limiting without CPU intervention. Architecturally, the dsPIC33EP core uses a modified Harvard pipeline with DSP multiply-accumulate instructions, enabling control-loop math (PID, 3P3Z compensators) to run deterministically at 60 MIPS. The AEC-Q100 qualification and Functional Safety (FuSa) support package make the -E/PT temperature variant suitable for automotive and safety-related power conversion. Typical applications include interleaved power factor correction (Microchip publishes a 350W universal-input Interleaved PFC reference design based on this device family), digital AC-DC and DC-DC converters, solar micro-inverters, battery chargers, LED drivers, and automotive onboard chargers. Design consideration: keep all VDD/VSS pairs decoupled with 0.1uF ceramics placed at each pin, and route high-speed PWM outputs away from the analog PGA inputs to preserve ADC accuracy. This page synthesizes distributor pricing (as of 2026-09-24), drop-in alternatives, pinout, and practical design notes not found together in the manufacturer datasheet.

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DSPIC33EP16GS504T-E/PT - 16-bit DSC, 16KB Flash, TQFP-44 | Microchip
DSPIC33EP16GS504T-E/PT

DSPIC33EP16GS504T-E/PT - 16-bit DSC, 16KB Flash, TQFP-44 | Microchip

The Microchip Technology DSPIC33EP16GS504T-E/PT is a 16-bit digital signal controller (DSC) from the dsPIC33EP16GS504 family with 16KB (16K x 8) of FLASH program memory, 2KB of SRAM, and core speeds of up to 60-70 MIPS, housed in a 44-pin TQFP (10x10 mm, 0.8 mm pitch) surface-mount package operating from 3.0V to 3.6V across the extended -40C to +125C temperature range. A digital signal controller combines the computational throughput of a digital signal processor with the peripheral integration and control-oriented architecture of a microcontroller. Within the power-management hierarchy, the DSC sits above a general-purpose MCU for switch-mode power conversion tasks, providing deterministic interrupt latency and dedicated PWM hardware that a standard microcontroller cannot match. The dsPIC33EP GS family is Microchip's SMPS-focused DSC line, purpose-built for digital power supplies. Key features include 16-bit modified Harvard architecture execution, a high-speed PWM module with complementary outputs, dead-time insertion and fault protection tailored for switched-mode power supplies, a 10-bit high-speed ADC for current- and voltage-loop feedback, and standard serial connectivity. The device is qualified to AEC-Q100 for automotive use and supports Functional Safety (FuSa) development, as listed by distributors. Technically, the GS504 core delivers 16-bit DSP instruction support with hardware multiply-accumulate, enabling Proportional-Integral compensation loops in software at switching frequencies well above 100 kHz. In-Circuit Serial Programming (ICSP) via MPLAB SNAP allows field programming using two device I/O pins and the reset line. Typical applications include interleaved power factor correction (Microchip's 350W interleaved PFC reference design targets this family), LLC and flyback converters, digital AC-DC power supplies, automotive power modules, and industrial motor-control front ends. Design consideration: budget the 2KB SRAM carefully when running multiple control loops with ADC buffering; the 16KB FLASH constrains complex compensation algorithms, so consider 32GS/64GS variants if code growth is expected. This page synthesizes distributor stock and pricing signals, drop-in same-family alternatives, and practical design notes not consolidated in the manufacturer datasheet.

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DSPIC33EP16GS504T-I/ML - 70MIPS 16KB DSC for Digital Power | Microchip
DSPIC33EP16GS504T-I/ML

DSPIC33EP16GS504T-I/ML - 70MIPS 16KB DSC for Digital Power | Microchip

The Microchip DSPIC33EP16GS504T-I/ML is a 16-bit digital signal controller (DSC) delivering 70 MIPS performance with 16KB of FLASH program memory and 2KB of RAM, housed in a 44-pin QFN (8x8 mm) surface-mount package with tape-and-reel packaging. It operates from a 3V to 3.6V supply and provides 35 general-purpose I/O pins. A digital signal controller combines the compute throughput of a DSP core with the peripheral integration and deterministic interrupt behavior of a microcontroller. Within the power-management hierarchy, a DSC sits at the heart of a closed-loop switch-mode power supply system, replacing analog PWM controllers with firmware-defined control loops. The dsPIC33EP16GS504 belongs to Microchip's SMPS & Digital Power Conversion family (dsPIC33EPXXGS50X), purpose-built for multi-loop digital switch-mode power supplies. Key features include the 70 MIPS 16-bit pipeline core, on-chip FLASH of 16KB (16K x 8) suitable for PID and state-machine control firmware, 2K x 8 RAM for loop variables and data buffering, and Functional Safety (FuSa) documentation support per Microchip's product page. The device is targeted at power applications, with the family offering specialized high-speed PWM peripherals and ADC resources for digital power conversion. Architecturally, the dsPIC33EP core uses a modified Harvard pipeline with DSP multiply-accumulate instructions, enabling cycle-deterministic execution of control-loop mathematics. The family datasheet (3723KB PDF available via distributors) documents the high-resolution PWM module, dual-speed ADC, and clock/PLL system that permit kHz-to-hundreds-of-kHz switching frequencies. Typical applications include interleaved power factor correction (Microchip publishes an Interleaved PFC reference design producing up to 350W from universal AC input), AC-DC and DC-DC digital power supplies, solar micro-inverters, battery chargers, and LED drivers. Design consideration: the 3V to 3.6V supply window requires a well-regulated 3.3V rail; budget decoupling on all VDD/VDDCORE pins and follow the datasheet layout guidance for the exposed pad thermal and ground connection. This page synthesizes distributor pricing, drop-in family alternatives, and application guidance not found in the manufacturer datasheet alone.

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DSPIC33EP16GS505-I/PT - 16KB 70MIPS DSC | Microchip
DSPIC33EP16GS505-I/PT

DSPIC33EP16GS505-I/PT - 16KB 70MIPS DSC | Microchip

The Microchip Technology DSPIC33EP16GS505-I/PT is a 16-bit Digital Signal Controller (DSC) delivering 70 MIPS performance with 16KB (16K x 8) of flash memory and 2KB SRAM, housed in a 48-pin TQFP (7x7 mm) package. It belongs to the dsPIC33EP16GS50X family purpose-built for digital switch-mode power supplies (SMPS) and digital power conversion. A Digital Signal Controller combines the computational throughput of a DSP with the peripheral integration and control-oriented architecture of a microcontroller. Within the power-management hierarchy, a DSC sits between a generic MCU and a dedicated digital power IC: it executes high-bandwidth control loops for voltage-mode, current-mode, and multi-loop power converters while retaining general-purpose programmability. The dsPIC33EP family is Microchip's 16-bit flash-based DSC line for embedded control. Key differentiating features include an interconnected high-speed PWM module with dedicated time base, a high-speed 12-bit ADC supporting simultaneous sampling for multi-loop control, integrated comparators, and programmable gain amplifiers (PGA) optimized for current-sense feedback. According to the Microchip dsPIC33EPXXGS50X family datasheet (DS70005127), these peripherals are specifically architected to support common multi-loop digital SMPS topologies such as AC-to-DC converters, power factor correction (PFC), and DC-to-DC converters. The device is also recognized by Microchip as Functional Safety (FuSa) capable. Typical applications include interleaved PFC front ends (Microchip offers a 350W universal-input interleaved PFC reference design based on this controller), LLC and phase-shifted full-bridge DC-DC converters, digital lighting ballasts, and solar micro-inverter control stages. The 70 MIPS core closes current loops fast enough for 100 kHz-plus switching frequencies. Design consideration: budget flash carefully - 16KB is adequate for a single converter control loop with PI/PID compensation but tight for multi-converter systems with communication stacks; step to the 32KB or 64KB pin-compatible variants (DSPIC33EP32GS505-I/PT, DSPIC33EP64GS505-I/PT) if firmware may grow. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP16GS505T-E/PT - 16-bit DSC, 70 MIPS Digital Power | Microchip
DSPIC33EP16GS505T-E/PT

DSPIC33EP16GS505T-E/PT - 16-bit DSC, 70 MIPS Digital Power | Microchip

The Microchip Technology DSPIC33EP16GS505T-E/PT is a 16-bit Digital Signal Controller (DSC) for digital power applications, delivering up to 70 MIPS (70 DMIPS) performance with 16 KB (16K x 8) of Flash program memory, integrated high-speed PWM, ADC with programmable gain amplifier (PGA), and comparators, housed in a 48-pin TQFP exposed-pad (7x7 mm) package with an extended -40C to +125C temperature grade and tape-and-reel packaging. A Digital Signal Controller combines the computational throughput of a DSP core with the peripheral set and deterministic behavior of a microcontroller. In the power-management hierarchy, a DSC sits above general-purpose MCUs for closed-loop conversion tasks, replacing analog control loops with firmware-executed compensation in switch-mode power supplies (SMPS), power factor correction (PFC) stages, and digital lighting or battery chargers. Key features include an interconnected high-speed PWM module purpose-built for digital power topologies, a high-speed 10/12-bit ADC with an embedded PGA that removes external signal-conditioning circuitry, and on-chip comparators that enable cycle-by-cycle current limiting. The dsPIC33EP core executes one instruction per cycle at up to 70 MIPS, providing the loop bandwidth needed for interleaved and multiphase converters. Technically, the device belongs to the dsPIC33EP16GS50x family - 16-bit Digital Signal Controllers for digital power applications with interconnected high-speed PWM, ADC, PGA and comparators, per the Microchip family datasheet. Peripherals are internally interconnected, allowing fault and trigger signals to propagate without CPU intervention, which shortens protection latency and reduces interrupt load. The -E extended temperature grade (up to +125C ambient) and AEC-Q100 qualification reported by distributors make it suitable for automotive power modules. Typical applications include interleaved power factor correction (Microchip publishes a 350 W universal-input interleaved PFC reference design for this family), digitally controlled AC-DC and DC-DC SMPS, and LED drivers or battery chargers requiring fast, deterministic control loops. Design consideration: budget the 16 KB Flash carefully - digital power compensation routines, state machines, and communication stacks share a small program space; use compiler optimization and fixed-point libraries sized for the GS505 memory class. This page synthesizes distributor inventory data, family-level design guidance, and drop-in substitution analysis not consolidated in the manufacturer datasheet.

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DSPIC33EP16GS506T-E/PT - 16-Bit DSC, 16KB Flash, 64-TQFP | Microchip
DSPIC33EP16GS506T-E/PT

DSPIC33EP16GS506T-E/PT - 16-Bit DSC, 16KB Flash, 64-TQFP | Microchip

The Microchip Technology DSPIC33EP16GS506T-E/PT is a 16-bit digital signal controller (DSC) with 16KB of Flash memory, operating at 3.3V in a 64-pin TQFP (10x10 mm) package, rated for the extended temperature range -40C to +125C and qualified to AEC-Q100 for automotive applications. A digital signal controller combines the computational capability of a digital signal processor (DSP) with the control peripherals and ease of use of a microcontroller (MCU). Within the power-management hierarchy, the dsPIC33EP16GS506 belongs to Microchip's dsPIC33EP16GS50X family, purpose-built for digital switch-mode power supplies (SMPS) and other digital power-conversion applications such as AC-to-DC converters and power factor correction (PFC). Key differentiating features center on the interconnected high-speed PWM module, which supports common multi-loop SMPS topologies with flexible PWM interconnection for phase-shifted and peak-current-mode control. The on-chip analog front end integrates an ADC with a programmable gain amplifier (PGA) and comparators, enabling tight, fast control loops without external analog circuitry. Architecturally, the device executes a 16-bit RISC DSP core - Mouser lists up to 70 MIPS while DigiKey lists 60 MIPS for this part, so designers should confirm the exact grade against the manufacturer datasheet - with DSP instructions supporting MAC operations for control-law computation. The 16KB (16K x 8) Flash accommodates state machines, compensators, and communication stacks for digital power products. Typical applications include AC/DC power supplies, DC/DC converters, uninterruptible power supplies (UPS), battery chargers, solar micro-inverters, and automotive power conversion modules where AEC-Q100 qualification is mandatory. Design consideration: the -E (extended, -40C to +125C) temperature grade is the automotive-appropriate choice; the industrial -I grade (-40C to +85C) is cheaper but must not be used where junction temperatures may exceed 85C ambient conditions. This page synthesizes distributor pricing data, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single citable reference for the DSPIC33EP16GS506T-E/PT.

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DSPIC33EP256GM304-E/ML - 16-Bit DSC 256KB Flash 44-QFN | Microchip
DSPIC33EP256GM304-E/ML

DSPIC33EP256GM304-E/ML - 16-Bit DSC 256KB Flash 44-QFN | Microchip

The Microchip Technology DSPIC33EP256GM304-E/ML is a 16-bit digital signal controller (DSC) from the dsPIC33EP family, combining a 70 MIPS dsPIC DSC core with 256KB (85.5K x 24) of Flash program memory and 16KB of data RAM, housed in a 44-pin QFN (8x8 mm) package with exposed pad. It operates from a 3.3V supply and is qualified for automotive applications. A digital signal controller is a hybrid device that merges the computational throughput of a digital signal processor with the peripheral integration and control architecture of a microcontroller. Within the semiconductor hierarchy, the dsPIC33EP belongs to the 16-bit microcontroller and DSC class, sitting above 8-bit MCUs and below 32-bit application processors, and is optimized for deterministic, math-intensive real-time control loops. Key features include the enhanced dsPIC core executing up to 70 MIPS, integrated DSP engine with multiply-accumulate hardware, and enhanced on-chip peripherals tailored for precision digital power and motor control. The -E/ML suffix denotes the extended (-40C to +125C) temperature grade, supporting harsh environments. Communication and analog peripherals, along with input capture, output compare, and quadrature encoder interface functions, support closed-loop control systems directly. The architecture pairs the Harvard-style 16-bit core with a DSP engine, enabling single-cycle MAC operations commonly used in field-oriented control, filtering, and power-conversion algorithms. The exposed-pad QFN package provides low-inductance ground return and good thermal performance for a compact 8x8 mm footprint. Typical applications include precision motor control (BLDC, PMSM, stepper), digital power supplies and inverters, and embedded control systems in automotive and industrial equipment. When designing with this device, connect all VDD and VSS pin pairs and use any matched PGECx/PGEDx pair consistently for ICSP programming and debugging. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP256GM304-E/PT - 16-bit 60 MIPS DSC 256KB | Microchip
DSPIC33EP256GM304-E/PT

DSPIC33EP256GM304-E/PT - 16-bit 60 MIPS DSC 256KB | Microchip

The Microchip Technology DSPIC33EP256GM304-E/PT is a 16-bit dsPIC33EP digital signal controller (DSC) delivering up to 60 MIPS performance (70 MIPS family rating) from 256KB (85.5K x 24) of Flash program memory and 16KB of data RAM, housed in a 44-pin TQFP (10x10 mm, 0.8 mm pitch) package with an extended -40C to +125C operating temperature range. A digital signal controller combines the computational architecture of a microcontroller with the math acceleration of a digital signal processor. Within the power-management hierarchy of embedded systems, the dsPIC33E family sits between general-purpose MCUs and dedicated DSPs: it runs a Harvard-architecture 16-bit dsPIC core with integrated DSP instruction support, making it a natural fit for control loops that require both fast arithmetic and flexible peripherals in a single power-management-oriented chip. Key features include the 16-bit dsPIC33EP core with DSP engine, 256KB self-programming Flash, 16KB on-chip RAM, operation from a 3.3V supply, and automotive AEC-Q100 qualification implied by the -E extended temperature grade. The integrated peripheral set of the GM304 variant includes motor-control PWM, op amps, ADCs, and multiple serial interfaces, enabling precision motor control systems on a single chip. Architecturally, the device uses pipelined instruction execution with hardware multiply-accumulate (MAC) support, letting a single-cycle DSP multiply feed FIR filters, PI/PID control loops, and field-oriented motor control algorithms. Clock generation is handled by an on-chip PLL that scales from the oscillator input up to the 60 MIPS (60 MHz internal) operating point documented by distributors such as Microchip USA and DigiKey. Typical applications include brushless DC and PMSM motor control, digital power supplies (PFC, LLC), sensor signal conditioning with the on-chip analog front end, and industrial automation nodes requiring deterministic real-time response. When designing, pair the part with Microchip's ICSP programming via any PGECx/PGEDx pin pair (ICSPCLK and ICSPDAT must come from the same pair) and connect all VDD/VSS pins; the on-chip op amps can offset external analog stage cost but require careful layout around the ADC reference. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with pricing verified as of 2026-09-24.

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DSPIC33EP256GM304-H/ML - 16-bit DSC 256KB 70 MIPS AEC-Q100 | Microchip
DSPIC33EP256GM304-H/ML

DSPIC33EP256GM304-H/ML - 16-bit DSC 256KB 70 MIPS AEC-Q100 | Microchip

The Microchip Technology DSPIC33EP256GM304-H/ML is a 16-bit dsPIC33EP digital signal controller (DSC) with 256 KB (85.5K x 24) of FLASH program memory, a 70 MIPS dsPIC DSC core operating at 3.3 V, and AEC-Q100 automotive qualification, housed in a 44-pin VQFN (8x8 mm) package with exposed pad (ML). A digital signal controller combines the compute throughput of a digital signal processor with the peripheral integration and ease of use of a microcontroller, sitting in the hierarchy: DSC -> MCU/DSP hybrid -> embedded processor -> semiconductor. dsPIC33E DSCs add hardware DSP multiply-accumulate, fixed-point and fractional math support, so a single chip can run both control loops and signal-processing tasks such as FFTs and digital filters without a companion DSP. Key features of this part include the 70 MIPS dsPIC core with DSP engine, 256 KB of self-programmable FLASH with ECC-class flash integrity options in the family, high-speed PWM modules purpose-built for motor control, integrated operational amplifiers and advanced analog on the GM series, plus AEC-Q100 qualification for automotive environments. Architecturally, the dsPIC33E core uses a modified Harvard pipeline with 24-bit instruction words, separate program and data buses, two 40-bit accumulators, and single-cycle MAC operations. The GM304 variant adds on-chip op-amps and higher-resolution analog that reduce external component count in motor-drive and power-conversion signal chains. Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) control for automotive auxiliary drives, digital power supplies (PFC, LLC), and industrial inverters, where the 70 MIPS core and high-speed PWM deliver precise, deterministic control. A key design consideration: the -H suffix denotes Microchip's high-temperature automotive grade ordering option - confirm the required temperature grade (-I, -E, or -H) before layout release, and pair every VDD/VSS pin pair with decoupling capacitors placed directly at the pins. This page synthesizes verified distributor stock data, drop-in family alternatives, and practical motor-control design notes not consolidated in the manufacturer datasheet.

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DSPIC33EP256GM304-H/PT - 70 MIPS DSC, 256KB Flash, TQFP-44 | Microchip
DSPIC33EP256GM304-H/PT

DSPIC33EP256GM304-H/PT - 70 MIPS DSC, 256KB Flash, TQFP-44 | Microchip

The Microchip Technology DSPIC33EP256GM304-H/PT is a 16-bit digital signal controller (DSC) with a 70 MIPS dsPIC33E core, 256 KB of Flash program memory and 32 KB of RAM, housed in a 44-pin TQFP (10x10 mm, 0.8 mm pitch) package. It integrates digital signal processing with microcontroller peripherals for high-performance embedded control. A digital signal controller combines the computational power of a DSP (MAC, barrel shifter, DSP instruction set) with the ease of use of a microcontroller, positioning it above a general-purpose MCU in the control hierarchy: microcontroller -> DSC -> dedicated DSP. The dsPIC33E family is Microchip's flagship 16-bit DSC platform for precision motor control, digital power conversion and sensing applications. Key features include the dsPIC33E core operating up to 70 MIPS, 256 KB (85.5K x 24) of self-programming Flash with ECC, up to 12 MCPWM channels, 8 input capture and 8 output compare channels, 2 quadrature encoder interfaces (QEI), and 4 integrated operational amplifiers for motor current sensing. Peripherals include I2C, SPI, UART/IrDA, CTMU (charge time measurement unit) and PTG (peripheral trigger generator). The GM304 variant with on-chip op amps eliminates external amplification for shunt-current measurement in motor drives, reducing BOM cost and board area. The 44-pin TQFP offers 35 I/O pins, sufficient for BLDC/PMSM drives with encoder feedback, and suits surface-mount reflow assembly on standard PCB processes. Typical applications include sensorless and sensored FOC motor control, digital SMPS/LED drivers, solar inverters, and industrial sensing nodes using the CTMU for capacitive or analog measurement. Design considerations: all VDD/VSS and independent AVDD/AVSS pins must be connected per the manufacturer datasheet; the internal core regulator requires a VCAP capacitor pin. Debug/programming uses any matched PGECx/PGEDx pair via ICSP. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP256GM304T-I/PT - 16-bit 70 MIPS DSC 256KB Flash | Microchip
DSPIC33EP256GM304T-I/PT

DSPIC33EP256GM304T-I/PT - 16-bit 70 MIPS DSC 256KB Flash | Microchip

The Microchip Technology DSPIC33EP256GM304T-I/PT is a 16-bit digital signal controller (DSC) from the dsPIC33EP family delivering 70 MIPS performance, 256KB (85.5K x 24) of Flash program memory and 16KB of RAM, housed in a 44-pin TQFP (10x10x1 mm) surface-mount package supplied in tape-and-reel format. A digital signal controller combines the computational strengths of a microcontroller (MCU) with the DSP capability of a digital signal processor in a single core. Within the power-management hierarchy, the dsPIC33EP family sits in the broader category of embedded microcontrollers and digital signal processors, targeting control loops that require both fast multiply-accumulate arithmetic and rich on-chip peripherals. The 16-bit Harvard-architecture dsPIC DSC core executes most instructions in a single cycle, making deterministic real-time control practical. Key features of this device include 12 channels of Motor Control PWM (MCPWM), 8 input capture and 8 output compare channels, two quadrature encoder interfaces (QEI), four on-chip operational amplifiers, a Charge Time Measurement Unit (CTMU) for capacitive touch and precision timing, and a Peripheral Trigger Generator (PTG) for autonomous peripheral sequencing. These peripherals dramatically offload the CPU in motor-control and digital-power applications. Technically, the device operates from a 3.0V to 3.6V supply at up to 70 MIPS (60 MHz internal clock, two instructions per clock via PLL), with the -I temperature grade covering -40C to +85C. The CMOS process, integrated DSP engine (single-cycle MAC, dual operand fetch), and zero-overhead loop support enable efficient execution of PID filters, transforms, and sensor-fusion algorithms. Five 16-bit timers, multiple UART/SPI/I2C serial ports, and a 10/12-bit ADC with simultaneous multi-channel sampling complete the signal chain. Typical applications include BLDC and PMSM motor drives, digital power supplies (LLC, totem-pole PFC), induction heating, sensor signal conditioning using the four on-chip op-amps, and general-purpose embedded control requiring DSP math. When designing with this part, budget the ADC sampling and PWM dead-time configuration early, as the rich MCPWM module offers many timing modes; also ensure 0.1uF decoupling on every VDD/VSS pair for the 70 MIPS core. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet alone.

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DSPIC33EP256GM306-E/MR - 16-bit 60 MIPS DSC 256KB Flash | Microchip
DSPIC33EP256GM306-E/MR

DSPIC33EP256GM306-E/MR - 16-bit 60 MIPS DSC 256KB Flash | Microchip

The Microchip Technology DSPIC33EP256GM306-E/MR is a 16-bit dsPIC33EP digital signal controller (DSC) delivering up to 60 MIPS core performance with 256KB (85.5K x 24) of Flash program memory, 16KB of RAM, and integrated 12-channel motor control PWM, housed in a 64-pin VQFN (9x9 mm) package with extended -40C to +125C temperature rating. A digital signal controller combines the computational power of a digital signal processor (DSP) with the peripheral integration and ease of use of a microcontroller (MCU). Within the power-management hierarchy, the dsPIC33E family sits in the broad category of embedded processors: 16-bit DSC -> microcontroller -> embedded processor -> semiconductor. Microchip's dsPIC33E family features the dsPIC DSC core with integrated DSP engine and enhanced on-chip peripherals, purpose-built for high-performance, precision digital motor control systems. Key features of this device include the 12-channel motor control PWM (MCPWM) module, 8 input capture and 8 output capture/compare channels, 2 quadrature encoder interface (QEI) modules, and 4 on-chip operational amplifiers that offload analog signal conditioning for current-sense loops. Additional system integration comes from the CTMU (Charge Time Measurement Unit) for touch and timing measurements and the PTG (Pulse Train Generator) for sequenced pulse output without CPU intervention. Technically, the -E suffix denotes the extended industrial temperature range of -40C to +125C, while the /MR suffix identifies the RoHS-compliant 64-VQFN (9x9 mm) surface-mount package. The 16-bit modified Harvard architecture executes most instructions in a single cycle, and the DSP engine provides multiply-accumulate (MAC) operations essential for field-oriented control (FOC) and other computationally intensive control algorithms. Flash program memory of 256KB (85.5K x 24 instruction words) accommodates complex firmware stacks and field upgrades. Typical applications include brushless DC (BLDC) and permanent magnet synchronous motor (PMSM) drives, power inverters and digital power supplies, industrial automation and robotics servo controllers, where the MCPWM, QEI, and on-chip op-amps directly map to motor-control signal-chain requirements. A key design consideration: all VDD and VSS pins must be connected, and any pair of PGECx/PGEDx pins must be used together for ICSP programming - failing to connect a complete pair is a common cause of programming failure. This page synthesizes distributor pricing, drop-in alternatives, pinout guidance, and practical design notes not consolidated in the manufacturer datasheet.

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