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DSPIC33EP64GS502-I/MM

DSPIC33EP64GS502-I/MM - 16-bit 70 MIPS DSC 64KB Flash | Microchip

The Microchip Technology DSPIC33EP64GS502-I/MM is a 16-bit digital signal controller (DSC) delivering 70 MIPS from 64KB (64K x 8) of FLASH program memory, housed in a 28-pin QFN-S (6x6 mm) surface-mount package with exposed pad. It belongs to the dsPIC33EP GS50x family purpose-built for SMPS and digital power conversion. A digital signal controller combines the compute throughput of a DSP with the peripheral integration and deterministic interrupt structure of a microcontroller. Within the power-management hierarchy, a DSC sits between a general-purpose MCU and a dedicated power-control ASIC, providing real-time closed-loop control of switch-mode power supplies. Key features include 70 MIPS execution at 140 MHz internal clock, 21 general-purpose I/O lines, and serial communication via I2C, SPI, and UART peripherals. The GS50x family integrates high-speed analog peripherals - ADC and DAC resources - targeted at power-conversion feedback loops, and the device is offered with Functional Safety (FuSa) support per Microchip product documentation. Architecturally, the dsPIC33EP core uses a modified Harvard pipeline with DSP multiply-accumulate instructions, enabling cycle-efficient execution of Proportional-Integral-Derivative (PID) compensators and predictive control algorithms common in digital power supplies. Boot partitioning allows the 64KB program memory to operate unpartitioned or split into two bootable partitions for field updates. Typical applications include AC-to-DC converters, DC-to-DC converters (including 48V-to-12V brick modules as shown in Microchip reference designs), multi-loop SMPS control, power-factor-correction stages, and solar inverter control. Design consideration: operate from a 3.3V supply within the 1.8V to 3.6V permissible range, and verify the QFN exposed-pad thermal connection to ground for reliable ADC accuracy and heat dissipation. This page synthesizes distributor pricing, drop-in family alternatives, and practical design guidance not consolidated in the manufacturer datasheet.

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DSPIC33EP64GS502-I/MX

DSPIC33EP64GS502-I/MX - 16-bit 70 MIPS DSC 64KB Flash | Microchip

The Microchip Technology DSPIC33EP64GS502-I/MX is a 16-bit digital signal controller (DSC) delivering 70 MIPS performance with 64KB (64K x 8) of FLASH program memory and 8KB of RAM, housed in a 28-pin UQFN (6x6 mm) exposed-pad package. It belongs to the dsPIC33EP Functional Safety (FuSa) family targeted at digital power and SMPS applications. A digital signal controller combines the computational throughput of a 16-bit microcontroller with the pipelined multiply-accumulate hardware of a DSP, sitting in the system hierarchy above general-purpose MCUs and below dedicated digital signal processors. In digital power conversion, the DSC closes high-speed control loops for switch-mode power supplies, power factor correction stages, and DC-DC converters, replacing analog control chips with firmware-based control. Key features of the GS502 include an interconnected high-speed PWM module purpose-built for power topologies, a 12-bit Analog-to-Digital Converter, a 12-bit Digital-to-Analog Converter, and integrated analog comparators with programmable gain amplifier (PGA) front ends. These interconnected peripherals enable fast, deterministic fault response and direct PWM-trip interrupts without CPU intervention, which is essential for protecting MOSFETs and IGBTs during transient faults. The architecture provides a single-cycle MAC, hardware divide support, and program memory partitioning for dual-boot designs; the device may be used unpartitioned (single block 0x000000-0x00B000) or split into two bootable partitions. Connectivity covers I2C, SPI, IrDA, UART, and USART serial interfaces, with ECAN also available on the family per Microchip product documentation. The device operates from a 3.3V supply in the industrial -40C to +85C temperature range denoted by the I suffix. Typical applications include interleaved power factor correction (Microchip's 350W universal-input interleaved PFC reference design uses this device), digital SMPS control, LED drivers, battery chargers, and solar micro-inverters, where the high-speed PWM and fast ADC sampling directly reduce control-loop latency. A key design consideration is the exposed thermal pad: connect it to a solid ground plane with an adequate via array for thermal dissipation and low-inductance grounding, and always fit the VCAP core regulator capacitor as specified in the datasheet. This page synthesizes distributor pricing context, drop-in alternatives, pinout guidance, and practical design notes not consolidated in the manufacturer datasheet.

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DSPIC33EP64GS502T-E/2N

DSPIC33EP64GS502T-E/2N - 16-bit 60 MIPS DSC 64KB Flash | Microchip

The Microchip Technology DSPIC33EP64GS502T-E/2N is a 16-bit dsPIC33EP digital signal controller (DSC) delivering up to 60 MIPS from 64KB (64K x 8) of Flash program memory, housed in a 28-pin UQFN (6x6 mm) package with exposed pad. It operates from a 3.3V supply and is AEC-Q100 qualified with Functional Safety (FuSa) support, targeting automotive and industrial digital power conversion. A digital signal controller combines the compute architecture of a microcontroller with the math acceleration of a DSP. In the power-management hierarchy, the dsPIC33EP GS family sits at the intersection of MCU control flow and DSP-intensive control-loop execution, making it a single-chip alternative to MCU-plus-DSP two-chip solutions in switch-mode power supplies. Key features include the interconnected high-Speed PWM module purpose-built for multi-loop SMPS topologies, a high-speed analog-to-digital converter, programmable gain amplifiers (PGA), and analog comparators that close control loops without external components. The -E temperature grade covers -40C to +125C ambient, and the AEC-Q100 qualification plus FuSa support allows use in safety-relevant automotive power stages. Architecturally, the dsPIC33EP core uses a modified Harvard pipeline with DSP instruction extensions (MAC, multiply-divide) and hardware division, enabling deterministic execution of proportional-integral control loops at switching frequencies well into the hundreds of kilohertz. The interconnected PWM, ADC and comparators can trigger each other autonomously, offloading cycle-by-cycle current limiting from software. Typical applications include AC-DC power supplies, interleaved power factor correction (PFC), DC-DC converters, solar micro-inverters, battery chargers, and LED drivers. Microchip reference designs such as the Interleaved PFC (350W, universal input) are built directly on this controller family. Design consideration: the exposed pad of the UQFN package is the primary thermal and ground path - connect it to a solid ground plane with multiple vias; without it, thermal and EMI performance degrade significantly. This page synthesizes distributor pricing, drop-in same-family alternatives, pinout/package data, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP64GS502T-E/MX

DSPIC33EP64GS502T-E/MX - 70 MIPS 64KB Digital Power DSC | Microchip

The Microchip Technology DSPIC33EP64GS502T-E/MX is a 16-bit digital signal controller (DSC) delivering 70 MIPS from a 64 KB (64K x 8) FLASH program memory with 8 KB RAM, housed in a 28-pin UQFN (MX) 6x6 mm package rated for -40C to +125C operation. A digital signal controller combines the compute throughput of a digital signal processor with the control peripherals, interrupt architecture and ease of use of a microcontroller. Within the power-management hierarchy, the dsPIC33EP family sits at the level of a dedicated power-conversion controller, bridging general-purpose MCUs and full DSPs. The dsPIC33EP64GS502 belongs to the SMPS and Digital Power Conversion family (dsPIC33EPXXGS50X), purpose-built for multi-loop digital switch-mode power supplies. Key features include a 16-bit dsPIC33EP core with DSP engine, high-resolution PWM modules suited to peak-current-mode and multi-phase converters, and serial connectivity via I2C, SPI, UART and IrDA. The extended temperature grade (E suffix) supports automotive-adjacent and industrial environments up to 125C ambient. Architecturally, the device pairs a pipelined 16-bit core with dedicated DSP instructions (MAC, DSP multiply) and fast interrupt handling, allowing closed-loop control loops for buck, boost, LLC and PFC stages to execute at hundreds of kHz update rates. According to Microchip product documentation, the GS50X family is optimized specifically for digital power applications rather than general embedded control. Typical applications include AC-DC and DC-DC SMPS controllers, digital PFC stages, LED drivers, battery chargers, solar micro-inverters and intelligent lighting/power-supply subsystems where adaptive control algorithms replace analog compensation networks. Design consideration: because the MX package is a 6x6 mm UQFN with an exposed thermal pad, allocate a solid ground pour and thermal vias under the pad; also verify PWM dead-time and ADC sampling synchronization in firmware, as digital power performance depends more on loop timing than on raw MIPS. This page synthesizes verified distributor data, same-family drop-in alternatives, datasheet navigation and application guidance in one place, adding cross-reference and design value beyond the manufacturer datasheet alone.

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DSPIC33EP64GS502T-E/SO

DSPIC33EP64GS502T-E/SO - 16-Bit 70MIPS Digital Power DSC | Microchip

The Microchip DSPIC33EP64GS502T-E/SO is a 16-bit Digital Signal Controller (DSC) optimized for digital switch-mode power supply (SMPS) and digital power conversion applications, delivering up to 70 MIPS performance with 64 KB of flash memory in a 28-pin SOIC (0.3 inch wide-body) package supplied in tape and reel. A Digital Signal Controller combines the computational throughput of a DSP with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy, the DSC sits above basic PWM microcontrollers: it closes high-bandwidth control loops in firmware, replacing analog compensation networks in AC-DC converters, DC-DC converters, and power factor correction stages. The dsPIC33EP GS family is Microchip's dedicated digital-power branch of the broader dsPIC33EP 16-bit controller line. Key differentiating features include the Interconnected High-Speed PWM module, which provides cycle-by-cycle current limiting, dead-time insertion, and multi-loop interconnection for phase-shifted and resonant topologies. An onboard analog complement of high-speed ADC, programmable gain amplifiers (PGA), and analog comparators enables ultra-fast current-mode control without external signal-conditioning circuitry. Architecturally, the device integrates a DSP-enhanced 16-bit core with hardware multiply-accumulate, making loop-update routines efficient enough to run compensation algorithms at PWM frequencies typical of modern converters. The device is positioned by Microchip as Functional Safety (FuSa) capable, supporting safety-oriented digital power designs, and is qualified for the extended -40C to +125C (E) temperature range required in industrial power stages. Typical applications include AC-DC power factor correction (PFC), LLC resonant converters, solar microinverters, battery chargers, and digitally controlled LED drivers. The 28-pin SOIC footprint suits compact auxiliary power and single/two-channel converter designs. Design consideration: budget PCB copper around the controller and verify ADC sampling alignment with the PWM trigger because loop stability in digital power depends on sampling-to-PWM latency as much as on control-law design. This page synthesizes distributor pricing data, drop-in alternatives across the dsPIC33EP GS/GP/MC families, and practical digital-power design notes not found in the manufacturer datasheet.

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DSPIC33EP64GS502T-I/2N

DSPIC33EP64GS502T-I/2N - 70MIPS 64KB Flash DSC | Microchip

The Microchip Technology DSPIC33EP64GS502T-I/2N is a 16-bit dsPIC33EP digital signal controller delivering 70 MIPS performance, 64KB (64K x 8) of FLASH program memory, and a 28-pin UQFN (6x6 mm) package with exposed pad. It belongs to the dsPIC33EPXXGS50X family optimized for switch-mode power supplies (SMPS) and digital power conversion, and supports Functional Safety (FuSa) development. A digital signal controller (DSC) combines the compute throughput of a digital signal processor with the peripheral set and ease of use of a microcontroller. Within the power-management hierarchy, a DSC sits at the heart of closed-loop digital control systems, replacing analog control loops in power supplies, chargers, and motor drives with firmware-defined control laws. Key features of the DSPIC33EP64GS502 include 70 MIPS execution at 3.3V, dual-partition flash architecture supporting live firmware updates, high-resolution PWM peripherals for precise power-stage switching, and a 12-bit ADC with simultaneous multi-channel sampling suited to multi-loop control. The device is engineered specifically for digital power applications such as AC-DC converters, power factor correction (PFC), and DC-DC conversion. Technically, the dsPIC33E core provides DSP-style multiply-accumulate (MAC) instructions and hardware division, allowing Proportional-Integral-Derivative (PID) and 3P3Z compensator loops to execute deterministically at high control frequencies. The GS50X family adds high-resolution PWM with fine edge placement, enabling topologies such as LLC, phase-shifted full bridge, and interleaved converters. Typical applications include digital switch-mode power supplies, interleaved PFC front ends (Microchip offers a 350W interleaved PFC reference design based on this family), automotive power conversion, LED drivers, and battery charging systems. A key design consideration: the dual-partition memory can be used either as a single 64KB block or split into two bootable 32KB partitions for field-safe firmware updates; choose the partitioning scheme early since it affects bootloader design. Ensure proper decoupling and a solid exposed-pad ground connection for noise immunity in power applications. This page synthesizes distributor pricing, drop-in alternatives, design notes, and application guidance not found in a single manufacturer datasheet.

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DSPIC33EP64GS504-E/PT

DSPIC33EP64GS504-E/PT - 16-bit DSC, 64KB Flash, Digital Power | Microchip

The Microchip Technology DSPIC33EP64GS504-E/PT is a 16-bit digital signal controller (DSC) with 64KB (64K x 8) FLASH program memory, operation at up to 60 MIPS (per distributor listings; the dsPIC33EP GS family is rated to 70 MIPS), and an extended temperature range of -40C to +125C, housed in a 44-pin TQFP (10x10 mm) surface-mount package. A digital signal controller combines a microcontroller (MCU) with digital signal processor (DSP) features in a single chip. In the power-management hierarchy, the dsPIC33EP GS50x family sits at the application level of digital power conversion systems, controlling switch-mode power supplies (SMPS), power factor correction stages, and inverter power stages. Unlike a general-purpose MCU, it integrates high-speed analog peripherals specifically aimed at closed-loop power control. Key features of the GS50x family include high-speed ADCs for fast feedback sampling, on-chip DACs for comparator references and waveform generation, and dedicated PWM peripherals supporting common multi-loop digital SMPS topologies. The device belongs to the dsPIC33EP family, carries AEC-Q100 automotive qualification in the /E temperature variant, and is listed with Functional Safety (FuSa) support by Microchip. Architecturally, the dsPIC33EP core is a modified Harvard 16-bit RISC engine with DSP instructions, a barrel shifter, and boundary-scan/JTAG debug support. The GS (SMPS) variant differentiates itself from the GP (general-purpose) variant through its power-conversion oriented analog and PWM subsystems, making it the preferred choice for digitally controlled converters rather than general embedded control. Typical applications include AC-to-DC converters, interleaved power factor correction (PFC) stages (Microchip provides an interleaved PFC reference design rated up to 350W with universal AC input), DC-DC converters, solar micro-inverters, battery chargers, and LED drivers. When designing with this device, budget the 3V to 3.6V supply rail carefully and verify PWM/ADC peripheral availability against the 44-pin package, since smaller pin-count variants expose fewer analog channels than 64-pin family members. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP64GS504-I/ML

DSPIC33EP64GS504-I/ML - 16-bit DSC 70MIPS 64KB Flash | Microchip

The Microchip Technology DSPIC33EP64GS504-I/ML is a 16-bit digital signal controller (DSC) delivering up to 70 MIPS from a 60 MHz core, with 64 KB of Flash program memory, integrated high-speed PWM, high-speed ADC and DAC peripherals, housed in a 44-pin QFN (ML) surface-mount package operating from a 3.0V to 3.6V supply. A digital signal controller combines the computational throughput of a digital signal processor (DSP) with the control peripherals and interrupt architecture of a microcontroller. Within the power-management hierarchy, the dsPIC33EP GS family sits above generic MCUs and below dedicated digital power ASICs, providing programmable control loops for switch-mode power supplies (SMPS). DSCs are the standard choice when designers need firmware-updatable, multi-loop digital control instead of fixed-function analog controllers. Key features of the DSPIC33EP64GS504 include interconnected high-speed PWM modules purpose-built for power conversion, high-speed analog-to-digital converters with configurable sample rates for current- and voltage-loop feedback, and integrated comparators and programmable gain amplifiers (PGA) that reduce external component count. The 70 MIPS core executes single-cycle MAC and DSP instructions, sustaining tight control-loop deadlines in multi-phase converters. Architecturally, the device is a CMOS 16-bit core with DSP engine, deterministic interrupt latency, and peripheral interconnects that allow the ADC to trigger PWM updates without CPU intervention - critical for sub-microsecond loop response in peak-current-mode control. Low-power modes support standby efficiency in always-on infrastructure power stages. Typical applications include AC-to-DC converters, DC-to-DC power modules, multi-loop digital SMPS, power factor correction (PFC) stages, and solar inverter control, where the interconnected PWM/ADC fabric precisely matches the needs of digital power conversion. When designing with this device, verify the 3.0V to 3.6V supply rail early; most legacy 5V analog power designs require level-shifting or a 3.3V logic domain, and the maximum industrial operating temperature for the -I suffix is 85C. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet.

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DSPIC33EP64GS504-I/PT

DSPIC33EP64GS504-I/PT - 70 MIPS 16-bit DSC | Microchip Technology

The Microchip Technology DSPIC33EP64GS504-I/PT is a 16-bit digital signal controller (DSC) delivering 70 MIPS core performance with 64KB of flash memory, integrated high-speed ADC and DAC peripherals, and dedicated SMPS/PWM resources, housed in a 44-pin TQFP (10x10 mm) surface-mount package. A digital signal controller combines the computational throughput of a digital signal processor with the control peripherals, interrupt architecture, and ease of use of a microcontroller. Within the power-management hierarchy, the DSC sits above a general-purpose MCU as a purpose-built digital power conversion engine, and the dsPIC33EP GS family from Microchip targets switch-mode power supply (SMPS) and digital power applications specifically. Key features of the DSPIC33EP64GS504 include a 16-bit dsPIC RISC core running at 70 MIPS, on-chip flash program memory of 64KB for firmware storage, a high-speed ADC subsystem designed for multi-loop power conversion feedback, and on-chip DAC channels for reference and waveform generation. Dedicated PWM hardware with fine resolution supports buck, boost, and interleaved converter topologies with the timing precision required by modern digital power supplies. The GS-series architecture supports common multi-loop digital SMPS functions such as AC-to-DC converter control, power factor correction, and point-of-load regulation. Peripherals include brown-out detect/reset, POR, watchdog timer, and connectivity through I2C, SPI, UART/USART, IrDA, and LIN interfaces, allowing direct communication with host controllers, power-management buses, and human-machine interfaces. Typical applications include AC-DC converters, interleaved power factor correction stages (Microchip reference designs demonstrate universal-input PFC up to 350W output), DC-DC point-of-load modules, battery chargers, and LED lighting drivers. The combination of fast ADC sampling and high-resolution PWM makes the device a fit wherever closed-loop control bandwidth determines product performance. Design considerations: the controller operates from a 3.0V to 3.6V supply across an industrial -40C to +85C temperature range (the -I suffix; an extended -40C to +125C -E/PT variant exists for harsher environments). In-circuit serial programming (ICSP) uses matched PGECx/PGEDx pin pairs, so reserve a programming header pair in the layout. This page synthesizes distributor pricing, drop-in family alternatives, comparison tables, and practical design notes that go beyond the information available on standard distributor listings.

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DSPIC33EP64GS504T-E/PT

DSPIC33EP64GS504T-E/PT - 64KB, 70MIPS SMPS DSC | Microchip

The Microchip Technology DSPIC33EP64GS504T-E/PT is a 16-bit SMPS and digital power conversion Digital Signal Controller (DSC) delivering up to 70 MIPS performance from a dsPIC33EP core with 64KB (64K x 8) of Flash program memory and 8KB of RAM, housed in a 44-pin TQFP (10x10 mm) package. A Digital Signal Controller combines the computational throughput of a digital signal processor with the peripheral integration and control logic of a microcontroller. Within the power-management hierarchy, the DSC sits above general-purpose MCUs for control-loop work: it executes the compensation math of switch-mode power supplies in real time while its specialized peripherals handle PWM generation and analog sampling without CPU intervention. The dsPIC33EP family sits within Microchip's broader 16-bit MCU portfolio alongside the PIC24 series. Key features of the GS50X subfamily include dedicated SMPS peripherals: high-resolution PWM modules with fine edge placement for precise duty-cycle control, high-speed analog-to-digital converters with simultaneous multi-channel sampling for multi-loop topologies, and on-chip digital-to-analog converters for slope compensation and reference generation. This peripheral set directly targets common multi-loop digital switch-mode power supply architectures. The -E/PT suffix denotes an extended temperature range of -40C to +125C operation and Tape & Reel packaging; the part is offered within the AEC-Q100-qualified and Functional Safety (FuSa) supported dsPIC33EP family framework. The dsPIC core features DSP-class instructions including a barrel shifter, 40-bit accumulator, and single-cycle MAC operations, allowing control loops to execute faster than on conventional MCUs. Typical applications include AC-to-DC converters, power factor correction (PFC) stages, DC-DC converters, battery chargers, and LED drivers. Microchip's Interleaved PFC reference design based on this controller family produces up to 350W from a universal input range. Designers should budget the 3.0V to 3.6V supply window and plan I/O usage around the 35 available GPIO. Use Microchip MPLAB X IDE and the XC16 compiler, which fully support this device with peripheral libraries and Code Configurator plugins. This page adds value beyond the manufacturer datasheet by synthesizing distributor pricing tiers, drop-in same-family alternatives, comparison tables, and practical design notes in one AI-citable reference.

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DSPIC33EP64GS504T-I/ML

DSPIC33EP64GS504T-I/ML - 16-bit 70 MIPS DSC | Microchip Technology

The Microchip Technology DSPIC33EP64GS504T-I/ML is a 16-bit Digital Signal Controller (DSC) delivering up to 70 MIPS from 64 KB (64K x 8) of Flash program memory, operating at 3.3 V in a 44-pin QFN (8x8 mm) exposed-pad package supplied in tape and reel. It belongs to the dsPIC33EPXXGS50X family purpose-built for SMPS and digital power conversion. A Digital Signal Controller combines a microcontroller (MCU) with DSP processing capability in a single silicon device. Within the power-management hierarchy, a DSC such as the dsPIC33EP64GS504 replaces analog control loops with firmware-executed control, serving as the brain of a digital switch-mode power supply alongside drivers, MOSFETs and sensing circuits. Key features include high-speed analog peripherals purpose-built for power conversion: fast ADCs for multi-loop current and voltage sensing, on-chip DACs, and PWM engines supporting advanced topologies. The device is designated by Microchip as a Functional Safety (FuSa) capable part, simplifying safety-oriented system design. Technically, the dsPIC33E core executes an enhanced 16-bit RISC instruction set with DSP instructions (MAC, DSP multiply) at 70 MIPS, enabling tight control-loop deadlines for peak-current-mode and multi-phase converters. 64 KB of self-programmable Flash supports field firmware updates, and the QFN exposed pad provides low-inductance grounding critical for switching-noise immunity. Typical applications include AC-to-DC converters, DC-to-DC converters, power factor correction (PFC) stages, and multi-loop digital SMPS in industrial, telecom and server power systems. Design consideration: budget the exposed thermal/electrical pad connection carefully on the PCB; a solid ground plane under the QFN improves both heat dissipation and ADC accuracy in high dv/dt switching environments. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical digital-power design notes not found in the manufacturer datasheet.

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DSPIC33EP64GS504T-I/PT

DSPIC33EP64GS504T-I/PT - 16-bit 70MIPS DSC 64KB Flash | Microchip

The Microchip Technology DSPIC33EP64GS504T-I/PT is a 16-bit digital signal controller (DSC) from the dsPIC33EP GS50X family for SMPS and digital power conversion, delivering 70 MIPS from 64KB (64K x 8) FLASH program memory with 8KB RAM, housed in a 44-pin TQFP (10x10 mm) surface-mount package operating from 3V to 3.6V. A digital signal controller combines the computational throughput of a DSP with the peripheral integration and deterministic control of a microcontroller. Within the power-management hierarchy, the DSC sits above generic MCUs in control-loop capability: it replaces analog control circuits in switch-mode power supplies with firmware-executed PID compensators, closing current- and voltage-mode loops at hundreds of kilohertz. The dsPIC33EP family extends this with dedicated high-speed ADCs and PWM hardware purpose-built for power conversion. Key features of this part include the 70 MIPS dsPIC33E core with DSP engine (single-cycle MAC, barrel shifter), 64KB self-programming FLASH, and an integrated high-speed ADC and DAC explicitly targeted at digital power per the manufacturer's product description. The device also carries Functional Safety (FuSa) documentation support, per DigiKey listing data, easing compliance workflows in industrial power systems. The GS (Digital Power) variant differs from the GP (General Purpose) and MC (Motor Control) siblings in its peripheral set: high-resolution PWM modules and fast analog comparators are tuned for multi-loop SMPS topologies such as interleaved PFC, LLC, and buck/boost stages. Microchip's Interleaved Power Factor Correction reference design, rated up to 350W from universal AC input, demonstrates this family in a production-grade topology. Typical applications include AC-to-DC converters, digital lighting power supplies, telecom rectifiers, solar micro-inverters, and battery chargers - anywhere multi-loop, high-frequency switch-mode control benefits from firmware flexibility and integrated high-speed analog. Design consideration: the 3.0V to 3.6V supply window requires a clean local 3.3V rail; place 0.1uF decoupling at each VDD pair and follow Microchip's SMPS reference design layouts for the analog supply of the high-speed ADC to protect noise floor. This page synthesizes distributor pricing context, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with pricing referenced as of 2026-09-25.

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DSPIC33EP64GS505T-I/PT

DSPIC33EP64GS505T-I/PT - 70 MIPS 16-bit DSC | Microchip

The Microchip Technology DSPIC33EP64GS505T-I/PT is a 16-bit digital signal controller (DSC) delivering 70 MIPS performance with 64KB (64K x 8) Flash program memory, 3.3V operation, and a 48-pin TQFP exposed-pad (48-TQFP-EP, 7x7 mm) package. It is purpose-built for digital switch-mode power supply (SMPS) and digital power conversion applications. A digital signal controller is a hybrid of a microcontroller (MCU) and a digital signal processor (DSP): it combines the deterministic control, peripherals, and ease of use of an MCU with the high-speed multiply-accumulate (MAC) math capability of a DSP. Within the power-management hierarchy, the DSC sits at the heart of closed-loop control systems, executing the compensation loops that position analog controllers. The dsPIC33EP family belongs to the broader embedded processor taxonomy of 16-bit MCUs -> digital signal controllers -> digital power conversion ICs. Key differentiating features include the 70 MIPS dsPIC33EP core with DSP instruction support, high-resolution PWM peripherals for switching power stage control, multiple high-speed 12-bit ADC channels for voltage and current sensing, and a dual-partition Flash architecture that allows the 64KB program memory to be split into two bootable partitions for fail-safe field firmware updates. Architecturally, the dsPIC33EPXXGS50X family supports common multi-loop digital SMPS topologies such as AC-DC power supplies, DC-DC converters, power factor correction (PFC) stages, and battery chargers. The exposed-pad TQFP package provides low thermal resistance to the PCB, helping dissipate heat from continuous 70 MIPS operation. In-circuit debugging and In-Circuit Serial Programming (ICSP) are supported via MPLAB SNAP or ICD tools using two device I/O pins plus the reset line. Typical applications include digital AC-DC and DC-DC power supplies, server and telecom power, LED drivers, solar micro-inverters, battery chargers, and adaptive lighting systems where fast ADC sampling and deterministic PWM control loops are mandatory. Design consideration: keep the 3.3V supply well decoupled and connect the exposed thermal pad to a ground pour for both thermal dissipation and signal integrity of the high-speed PWM outputs. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP64GS506-E/PT

DSPIC33EP64GS506-E/PT - 16-bit DSC, 64KB, Digital Power | Microchip

The Microchip Technology DSPIC33EP64GS506-E/PT is a 16-bit digital signal controller (DSC) with 64KB of Flash program memory, operating at up to 70 MIPS, in a 64-pin TQFP (10x10 mm) package, purpose-built for digital switch-mode power supply (SMPS) applications. A digital signal controller is a hybrid of a microcontroller (MCU) and a digital signal processor (DSP), combining MCU peripherals and ease of use with DSP math capabilities such as a hardware multiply-accumulate unit and barrel shifter. Within the power-management hierarchy, the dsPIC33EP GS50x family sits at the control layer of digital power systems, replacing analog control loops with firmware-executed feedback loops. Key features include a 16-bit modified Harvard architecture core, dual-partition Flash with Live Update supporting programming while operating, interconnected high-speed PWM modules with complementary outputs and dead-time control, high-speed 12-bit ADCs with programmable gain amplifiers (PGA), analog comparators, and a 3.3V operating supply from 3.0V to 3.6V. The -E temperature variant is specified from -40C to +125C, running at up to 60 MIPS over that full extended range. Architecturally, the interconnected PWM, ADC and comparator subsystems allow sub-microcycle latency between current sensing and PWM adjustment, which is essential for multi-loop digital SMPS control. The DSP engine provides single-cycle MAC and 40-bit accumulators for PI and PID control-law computation. Typical applications include interleaved power factor correction (PFC), DC-DC converters, AC-DC power supplies, LED drivers, and solar micro-inverters. Design consideration: select the 70 MIPS grade only for the -40C to +85C industrial range; above +85C the device must be derated to 60 MIPS. This page adds value beyond the datasheet by consolidating drop-in alternatives, pricing tiers, and practical design notes in one place.

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DSPIC33EP64GS506T-E/PT

DSPIC33EP64GS506T-E/PT - 60 MIPS Digital Power DSC | Microchip

The Microchip Technology DSPIC33EP64GS506T-E/PT is a 16-bit dsPIC33EP digital signal controller (DSC) delivering up to 60 MIPS with 64KB of Flash program memory, 3.3V operation, and an automotive-grade AEC-Q100 qualified Extended temperature rating in a 64-pin TQFP (10x10 mm, 0.5 mm pitch) surface-mount package with Tape & Reel delivery. A digital signal controller combines the computational throughput of a DSP core with the peripherals and deterministic behavior of a microcontroller, sitting within the hierarchy of MCU -> digital signal controller -> digital signal processor. The dsPIC33EP GS50X family is purpose-built for digital switch-mode power supplies (SMPS), where firmware closes voltage and current control loops in place of analog compensation networks. Key features include interconnected high-speed PWM modules with advanced modulation modes, a high-speed 12-bit ADC with multiple sample-and-hold circuits, programmable gain amplifiers (PGA), and analog comparators that can be cross-wired directly into PWM fault inputs for cycle-by-cycle current limiting. The parallel, independent power-supply-oriented architecture supports multi-loop, multi-phase and interleaved converter topologies such as AC-DC PFC stages, LLC resonant converters, and DC-DC modules. The device executes a modified Harvard RISC instruction set with DSP engine (barrel shifter, single-cycle MAC) and includes boundary scan support for board-level test. 64KB of self-programmable Flash supports field firmware updates in deployed power products. The GS506 variant provides 64 pins of I/O-rich connectivity, fitting converter boards that need many gating and telemetry signals. Typical applications include AC-DC power factor correction (interleaved PFC reference designs from Microchip producing up to 350W are documented for this family), LLC and half-bridge DC-DC converters, solar micro-inverters, battery chargers, LED drivers, and UPS systems. Design consideration: the 60 MIPS core requires a clean 3.3V rail with adequate decoupling and careful grounding of the high-speed PWM and ADC domain; use Microchip's SMPS reference designs as a proven starting layout. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP64GS506T-I/PT

DSPIC33EP64GS506T-I/PT - 70 MIPS 16-bit DSC 64KB Flash | Microchip

The Microchip Technology DSPIC33EP64GS506T-I/PT is a 16-bit Digital Signal Controller (DSC) delivering 70 MIPS performance from the dsPIC33EP core, with 64KB of Flash program memory and 8KB of RAM, housed in a 64-pin TQFP (10x10 mm, PT) surface-mount package rated for -40C to +85C operation. A Digital Signal Controller combines the computational power of a Digital Signal Processor (DSP) with the peripheral set and ease of use of a microcontroller (MCU). Within the power-management hierarchy, the dsPIC33EP64GS506 belongs to Microchip's SMPS and Digital Power Conversion family - a class of 16-bit RISC controllers purpose-built to close control loops digitally in switch-mode power supplies (SMPS). Key features include a 70 MIPS (70 MHz) 16-bit RISC DSP core, interconnected high-speed PWM peripherals, high-speed ADC with PGA (programmable gain amplifier) inputs, integrated comparators, and connectivity including I2C, SPI, UART/USART, IrDA, and LINbus. IEEE 1149.2-compatible (JTAG) boundary scan, trace, and run-time watch support aid debugging. Flash-based program memory simplifies field updates. Architecturally, the GS50X family tightly couples the PWM, ADC, and comparator resources so that current- and voltage-loop feedback paths complete within a single PWM cycle - the defining requirement for multi-loop digital power supplies. Barrel-shifter DSP instructions accelerate loop compensation math, while the Peripheral Trigger Generator automates ADC sampling synchronization with PWM events. Typical applications include AC-to-DC power factor correction (PFC) converters, LLC and half-bridge resonant converters, DC-DC server power supplies, solar micro-inverters, and battery chargers. Microchip's 350 W Interleaved PFC reference design demonstrates the universal-input capability of this device family. For design, budget the 3V to 3.6V supply rail carefully and use the remappable peripheral pin select (PPS) feature noted in the datasheet when assigning PWM and timer pins on the 64-pin package. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP64GS708-E/PT

DSPIC33EP64GS708-E/PT - 16-bit 70 MIPS Digital Power DSC | Microchip

The Microchip Technology DSPIC33EP64GS708-E/PT is a 16-bit digital signal controller (DSC) from the dsPIC33EP GS family for digital power applications, delivering up to 70 MIPS core performance with 64KB (64K x 8) of Flash memory and 8KB of RAM, housed in an 80-pin TQFP (12x12 mm) package with extended automotive temperature range (E-grade, -40C to +125C). A digital signal controller combines the computational throughput of a DSP with the deterministic control and peripheral set of a microcontroller. Within the power-management hierarchy, the dsPIC33EP GS series targets digital switch-mode power supplies (SMPS) and power-conversion systems, sitting above general-purpose MCUs in control-loop capability while remaining programmable in C like any PIC/dsPIC device. Key features include an interconnected high-speed PWM module purpose-built for multi-phase and multi-loop power conversion, high-speed ADC with an integrated programmable gain amplifier (PGA), and on-chip comparators that close fast protection loops without CPU intervention. Dual-partition Flash supports live field firmware updates, important for grid-tied and server power products that cannot tolerate downtime. The GS-series peripheral interconnect allows ADC sample events to trigger PWM updates within a single control period at converter switching frequencies of hundreds of kilohertz. Architecturally, the dsPIC DSC core provides DSP-class multiply-accumulate (MAC) instructions and dual operand fetch, so Proportional-Integral (PI) and 3p3z compensator loops execute efficiently at 70 MIPS, leaving headroom for housekeeping tasks such as communication and housekeeping sequencing. Typical applications include AC-DC converters and interleaved power factor correction (PFC), DC-DC converters and LLC resonant stages, solar micro-inverters, and automotive AEC-Q100 qualified power modules. When designing with this device, budget ADC sampling and PWM dead time carefully at high switching frequency, and use the on-chip comparators for cycle-by-cycle current limiting rather than software-only protection. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP64GS708-I/PT

DSPIC33EP64GS708-I/PT - 16-bit 70 MIPS DSC | Microchip Technology

The Microchip Technology DSPIC33EP64GS708-I/PT is a 16-bit dsPIC33EP GS-series digital signal controller (DSC) delivering 70 MIPS core performance with 64KB (64K x 8) of FLASH program memory and 8KB of RAM, housed in an 80-pin TQFP (12x12 mm) package operating from a 3.3V supply. A digital signal controller combines the computational strengths of a microcontroller (MCU) with the math-acceleration of a digital signal processor (DSP) in a single core. In the power-management hierarchy, the dsPIC33EP GS family sits at the system-control level, orchestrating switch-mode power conversion loops, power factor correction stages, and inverter control while also handling housekeeping tasks such as communication, sequencing, and fault management. Key features of this device include its 70 MIPS 16-bit pipeline core, dual-partition FLASH supporting live field updates, and a peripheral set purpose-built for digital power: interconnected high-speed PWM modules, high-speed ADC with hardware support for multiple simultaneous sampling, integrated programmable gain amplifiers (PGA), and analog comparators tightly coupled to the PWM for cycle-by-cycle current limiting. The architecture ties the ADC, comparators, and PWM into a deterministic control loop with minimal CPU intervention, which is what distinguishes the GS series from general-purpose dsPIC33EP GP variants. Functional Safety (FuSa) support documentation makes it suitable for safety-relevant industrial power designs. The dual-partition FLASH allows firmware execution from one partition while the other is erased and reprogrammed, enabling fail-safe over-the-air or in-field updates. Typical applications include AC-DC converters, power factor correction (PFC) stages, digital lighting ballasts, solar micro-inverters, battery chargers, and uninterruptible power supplies (UPS). The 350W interleaved PFC reference design from Microchip demonstrates the family's intended use in universal-input single-output power conversion. When designing with this DSC, plan control-loop timing around the 70 MIPS core budget and route high-frequency PWM outputs away from analog PGA/ADC inputs; the 0.5 mm terminal pitch TQFP requires careful PCB land-pattern design. Verify that the industrial temperature grade (-40C to +85C for the /I suffix) matches your thermal environment, selecting the /E grade (up to +125C) for harsher conditions. This page synthesizes distributor pricing, drop-in family alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP64GS804-E/ML

DSPIC33EP64GS804-E/ML - 16-bit 70 MIPS Digital Power DSC | Microchip

The Microchip Technology DSPIC33EP64GS804-E/ML is a 16-bit dsPIC33EP digital signal controller (DSC) delivering up to 70 MIPS (60 MHz) performance with 64KB Flash and 8KB RAM, packaged in a 44-pin QFN (8x8 mm) with exposed pad and rated for the extended -40C to +125C automotive temperature range. A digital signal controller combines the computational throughput of a DSP core with the peripheral integration and interrupt architecture of a microcontroller. In the system hierarchy, this device sits between a general-purpose MCU and a dedicated DSP, offering hardware multiply-accumulate (MAC) and divide support alongside deterministic interrupt latency, which is essential for closed-loop control systems that execute current loops at switching frequency. Key features include the interconnected high-Speed PWM module purpose-built for digital power conversion, high-speed 12-bit ADC with an integrated programmable gain amplifier (PGA), on-chip comparators, and a CAN module for industrial and automotive networking. The dual-partition Flash architecture enables live firmware updates, allowing one partition to execute while the other is reprogrammed. Technically, the device belongs to Microchip's dsPIC33EP GS-series, which was architected specifically for digital power supplies. The PWM, ADC, and comparators are interconnected, so trigger and fault signals propagate between analog and digital domains without CPU intervention, minimizing loop latency. The -E/ML suffix confirms the extended temperature grade (up to +125C ambient) and the 44-QFN exposed-pad package, which also improves thermal dissipation into the PCB ground plane. Typical applications include AC-DC and DC-DC power supplies, power factor correction (PFC) stages, LLC resonant converters, solar micro-inverters, and battery chargers where high-resolution PWM and fast ADC sampling directly improve control-loop bandwidth and efficiency. When designing with this device, budget the exposed pad as the primary thermal path and confirm 3.3V supply decoupling on all VDD pairs. Note that third-party sources report both 60 MIPS and 70 MIPS for this part; verify the figure against the specific operating frequency in the manufacturer datasheet. This page synthesizes distributor pricing channels, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet alone.

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DSPIC33EP64GS804-I/ML

DSPIC33EP64GS804-I/ML - 16-bit DSC 64KB 70MIPS | Microchip

The Microchip Technology DSPIC33EP64GS804-I/ML is a 16-bit digital signal controller (DSC) optimized for digital power applications, offering 64 KB of Flash program memory, 8 KB of RAM, and up to 70 MIPS performance, housed in a 44-pin QFN (8x8 mm) surface-mount package with exposed pad. A digital signal controller combines the compute throughput of a digital signal processor (DSP) with the peripheral integration and control orientation of a microcontroller (MCU). Within the power-management hierarchy, the dsPIC33EP GS family sits at the heart of switched-mode power supplies, power factor correction stages, and motor drive systems, where a single controller closes fast control loops and manages communication. The dsPIC33EP64GS804 belongs to Microchip's 16-bit dsPIC33EP architecture, a member of the broader microcontroller and DSC semiconductor category. Key differentiating features include the interconnected high-speed PWM module designed for digital power conversion, an analog front end combining high-speed ADC inputs, programmable gain amplifiers (PGA) and comparators, plus a CAN bus interface. The device runs at up to 70 MIPS from its 16-bit DSP core with DSP instruction support, and 4 DMA channels offload data movement from the CPU. Dual-partition Flash support enables live firmware updates, an important capability in power products deployed in the field. Architecturally, the dsPIC33EP64GS804 uses a CMOS 16-bit core with a modified Harvard bus structure and multiple internal bus architectures, executing C and optimized assembly efficiently. Seven timers, four serial I/O ports, and four external interrupts round out the peripheral set, letting one controller handle control loops, housekeeping, and host communication simultaneously. Typical applications include AC-DC and DC-DC power supplies, solar micro-inverters and power factor correction, digital lighting (HID/LED) ballasts, and battery chargers, where the interconnected PWM and fast analog comparators directly improve loop bandwidth and protection response time. The CAN interface makes it equally suited to automotive and industrial power modules. Design considerations: the GS-series PWM and ADC modules are highly configurable; budget engineering time for peripheral configuration and verify 3.3 V supply decoupling and exposed-pad grounding for best analog performance. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with data verified as of 2026-09-25.

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DSPIC33EP64GS804-I/PT

DSPIC33EP64GS804-I/PT - 16-bit 70MIPS DSC 64KB Flash CAN | Microchip

The Microchip DSPIC33EP64GS804-I/PT is a 16-bit digital signal controller (DSC) delivering 70 MIPS from its dsPIC33EP core, with 64KB (64K x 8) of Flash program memory, 8KB of RAM, an integrated CAN module, and interconnected high-speed PWM, packaged in a 44-pin TQFP (10x10 mm) surface-mount body. A digital signal controller combines the computational capability of a digital signal processor with the peripheral set and control structure of a microcontroller. Within the power-management hierarchy, the DSC sits above a general-purpose MCU for closed-loop control tasks such as switch-mode power supplies, where deterministic interrupt latency and specialized PWM hardware determine control-loop bandwidth and stability. The GS804 variant belongs to Microchip's dsPIC33EPXXGS70X/80X family, purpose-built for digital power conversion. Key differentiators include interconnected high-speed PWM peripherals with advanced dead-time and trigger control, an ADC with an integrated programmable gain amplifier (PGA) for direct small-signal current sensing, high-speed analog comparators for cycle-by-cycle current limiting, and a CAN interface for industrial communication. Architecture highlights include the 16-bit dsPIC33E CPU with DSP instruction support (multiply-accumulate, barrel shifter), two loop deep hardware stacks for zero-overhead loops, and functional-safety (FuSa) support documented by Microchip for safety-oriented designs. Operating voltage is 3.3V (3V to 3.6V range) and the industrial temperature grade (I suffix) covers -40C to +85C. Typical applications are AC-DC and DC-DC power supplies, interleaved power factor correction (Microchip's 350W interleaved PFC reference design uses this family), multi-output LLC and half-bridge converters, digital lighting ballasts, solar micro-inverters, and battery chargers. The 44-pin TQFP offers enough I/O for multi-loop topologies while remaining cost effective. Design consideration: budget the 3.3V rail decoupling carefully - each VDD/VSS pair needs a 0.1uF ceramic capacitor placed within 2 mm of the pins, and the AVDD analog supply should be filtered with an RC network to preserve ADC accuracy for current-sense feedback. This page synthesizes distributor pricing, drop-in same-family alternatives, comparison data, and practical design notes not found in the manufacturer datasheet, with pricing as of 2026-09-25.

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DSPIC33EP64GS804T-I/ML

DSPIC33EP64GS804T-I/ML - 70 MIPS Digital Power DSC 44-QFN | Microchip

The Microchip Technology DSPIC33EP64GS804T-I/ML is a 16-bit digital signal controller (DSC) delivering 70 MIPS at a 60 MHz maximum clock, with 64 KB of Flash program memory, 8 KB of RAM, and a 44-QFN (8x8 mm) surface-mount package with 0.65 mm terminal pitch. A digital signal controller combines the computational throughput of a DSP with the peripheral integration and control agility of a microcontroller, sitting within the broader hierarchy of embedded processors: DSC -> microcontroller family -> semiconductor. The dsPIC33EP GS family from Microchip is purpose-built for digital power conversion, where fast control loops must sample, compute, and update PWM outputs within microseconds. Key features include interconnected high-speed PWM modules for multi-loop switch-mode power supply control, a high-speed ADC with programmable gain amplifier (PGA) front ends for direct small-signal connection, on-chip analog comparators for cycle-by-cycle current limiting, 4 DMA channels that offload data movement from the CPU, and 7 timers. The device also integrates a CAN module, barrel shifter, and boundary-scan (JTAG/ICSP) support, with functional safety (FuSa) documentation available per the DigiKey listing. Architecturally, the CMOS dsPIC33EP core uses a modified Harvard bus structure with multiple internal buses, allowing simultaneous instruction fetch and data access that sustains single-cycle MAC and DSP-class instructions. This enables deterministic execution of control algorithms such as voltage-mode, average current-mode, and peak current-mode control in LLC, buck, boost, and PFC stages. Typical applications include brick DC-DC converters (as shown in Microchip's EPC9143 1/16th-brick reference design converting 48 V nominal inputs to 5 V, 9 V, or 12 V outputs), AC-DC power supplies, solar inverters, battery chargers, and telecom rectifiers. Design consideration: allocate the 3.3 V supply with clean analog grounding for the PGA and ADC paths; noisy switching-node coupling into the PGA inputs is the most common cause of ADC reading corruption in digital power layouts. This page synthesizes verified distributor listings, drop-in same-family alternatives, and practical design notes not consolidated in the manufacturer datasheet.

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DSPIC33EP64GS804T-I/PT

DSPIC33EP64GS804T-I/PT - 16-bit 70 MIPS DSC, 64KB Flash | Microchip

The Microchip Technology DSPIC33EP64GS804T-I/PT is a 16-bit dsPIC33EP digital signal controller (DSC) delivering up to 70 MIPS from 64KB of Flash memory with 8KB of RAM, housed in a 44-pin TQFP (10x10 mm) surface-mount package and optimized for digital power applications. A digital signal controller combines the compute architecture of a digital signal processor with the peripheral set and control structure of a microcontroller. Within the power-management hierarchy, the DSC sits between a general-purpose MCU and a dedicated DSP, providing deterministic execution for closed-loop control such as power factor correction, DC-DC conversion, and motor drive algorithms. Key features include the interconnected High-Speed PWM module purpose-built for switching power supplies, an analog front end combining ADC inputs with programmable gain amplifiers (PGA) and on-chip comparators, a CAN interface for industrial communication, and Functional Safety (FuSa) support per the dsPIC33EP family documentation. The interconnected PWM-to-ADC trigger architecture minimizes control-loop latency, a critical parameter in totem-pole PFC designs where switching frequencies reach hundreds of kHz. The GS-series analog integration reduces external component count: PGA outputs can feed comparators directly for fast overcurrent protection without CPU intervention, enabling cycle-by-cycle current limiting in hard-fault conditions. The 70 MIPS core executes the DSP multiply-accumulate instructions required by advanced digital control laws. Typical applications include the Microchip TDTTP4000W066C 4kW bridgeless totem-pole PFC reference design using GaN FETs, digital AC-DC power supplies, solar micro-inverters, DC-DC converters, and brushless DC motor drives. The T suffix denotes tape-and-reel packaging for automated assembly. Design consideration: this controller operates at 3.3V; level-shift any 5V CAN or logic interfaces, and follow Microchip's digital power layout guidelines to keep high dv/dt switch nodes away from the ADC reference. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP64GS805-I/PT

DSPIC33EP64GS805-I/PT - 70 MIPS 16-bit DSC, 64KB Flash | Microchip

The Microchip Technology DSPIC33EP64GS805-I/PT is a 16-bit Digital Signal Controller (DSC) optimized for Switch-Mode Power Supply (SMPS) and digital power conversion, integrating 64 KB of Flash program memory, 8 KB of RAM, a 70 MIPS dsPIC33EP core, and dedicated high-speed peripherals such as interconnected high-speed PWM, 12-bit ADC, programmable gain amplifier (PGA), and analog comparators. Housed in a 48-pin TQFP (7x7 mm) package, the device runs from a 3.0 V to 3.6 V supply and is qualified for industrial temperature operation (-40 °C to +85 °C). A Digital Signal Controller is a hybrid device that combines a microcontroller's deterministic interrupt handling and peripheral set with a DSP's single-cycle MAC engine, instruction cache, and wide datapath. Within the broader taxonomy, the dsPIC33EP64GS805 sits in the chain: DSC → digital power MCU → SMPS controller → power management IC → semiconductor. Its purpose is to close multi-loop digital control loops (voltage-mode, current-mode, PFC, LLC, full-bridge) at the switching frequencies required by modern power converters. Key differentiating features of the DSPIC33EP64GS805 include its 4 PWM generators with 8 outputs that can be paired to produce up to 8 duty-cycle-matched or phase-shifted channels; a 12-bit ADC with up to 12.5 Msps throughput and dedicated S&H; integrated PGA stages on the analog inputs to handle small current-sense signals directly; dual analog comparators with DAC references for cycle-by-cycle current limiting; CAN 2.0B connectivity for networked power systems; and a Functional Safety (FuSa) capable architecture supporting Class B safety design patterns. The device also includes a 16-bit wide data path, single-cycle 16x16 MAC, and zero-overhead hardware loops for jitter-free control loop execution. Architecturally, the part belongs to the dsPIC33EPXXXGS70X/80X family, which uses a Harvard architecture with separate program and data buses plus a DMA engine, and pairs it with a dual-partition Flash that allows live firmware updates without shutting the power supply down. The integrated peripherals are pre-wired to minimize latency between the ADC sample, the PWM update, and the comparator trip event - a critical factor when running multi-hundred kHz control loops. Typical applications for the DSPIC33EP64GS805-I/PT include AC/DC and DC/DC converters (PFC + LLC totem-pole), uninterruptible power supplies (UPS), solar inverters, battery chargers, LED lighting drivers, induction heating, and digital welding controls. It is also used in industrial motor drives and Class B safety-relevant power architectures where the FuSa capability shortens certification time. When designing with this part, place the analog grounds and digital grounds on a single, unbroken split-ground plane joined directly under the IC's GND pin, and route the ADC sense traces as a short differential pair from the current shunt to the dedicated ANx/PGA inputs. Use the dual-partition Flash feature to deploy safety patches and tuning coefficients in the field without interrupting the converter output. This page synthesizes distributor pricing, verified same-family and drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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DSPIC33EP64GS502-I/MM - 16-bit 70 MIPS DSC 64KB Flash | Microchip

DSPIC33EP64GS502-I/MX - 16-bit 70 MIPS DSC 64KB Flash | Microchip

DSPIC33EP64GS502T-E/2N - 16-bit 60 MIPS DSC 64KB Flash | Microchip

DSPIC33EP64GS502T-E/MX - 70 MIPS 64KB Digital Power DSC | Microchip

DSPIC33EP64GS502T-E/SO - 16-Bit 70MIPS Digital Power DSC | Microchip

DSPIC33EP64GS502T-I/2N - 70MIPS 64KB Flash DSC | Microchip

DSPIC33EP64GS504-E/PT - 16-bit DSC, 64KB Flash, Digital Power | Microchip

DSPIC33EP64GS504-I/ML - 16-bit DSC 70MIPS 64KB Flash | Microchip

DSPIC33EP64GS504-I/PT - 70 MIPS 16-bit DSC | Microchip Technology

DSPIC33EP64GS504T-E/PT - 64KB, 70MIPS SMPS DSC | Microchip

DSPIC33EP64GS504T-I/ML - 16-bit 70 MIPS DSC | Microchip Technology

DSPIC33EP64GS504T-I/PT - 16-bit 70MIPS DSC 64KB Flash | Microchip

DSPIC33EP64GS505T-I/PT - 70 MIPS 16-bit DSC | Microchip

DSPIC33EP64GS506-E/PT - 16-bit DSC, 64KB, Digital Power | Microchip

DSPIC33EP64GS506T-E/PT - 60 MIPS Digital Power DSC | Microchip

DSPIC33EP64GS506T-I/PT - 70 MIPS 16-bit DSC 64KB Flash | Microchip

DSPIC33EP64GS708-E/PT - 16-bit 70 MIPS Digital Power DSC | Microchip

DSPIC33EP64GS708-I/PT - 16-bit 70 MIPS DSC | Microchip Technology

DSPIC33EP64GS804-E/ML - 16-bit 70 MIPS Digital Power DSC | Microchip

DSPIC33EP64GS804-I/ML - 16-bit DSC 64KB 70MIPS | Microchip

DSPIC33EP64GS804-I/PT - 16-bit 70MIPS DSC 64KB Flash CAN | Microchip

DSPIC33EP64GS804T-I/ML - 70 MIPS Digital Power DSC 44-QFN | Microchip

DSPIC33EP64GS804T-I/PT - 16-bit 70 MIPS DSC, 64KB Flash | Microchip

DSPIC33EP64GS805-I/PT - 70 MIPS 16-bit DSC, 64KB Flash | Microchip