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DSPIC33EP64GP506-E/MR - 16-bit DSC 64KB 60MIPS | Microchip
DSPIC33EP64GP506-E/MR

DSPIC33EP64GP506-E/MR - 16-bit DSC 64KB 60MIPS | Microchip

The Microchip Technology DSPIC33EP64GP506-E/MR is a 16-bit Digital Signal Controller (DSC) delivering 60 MIPS performance from 64 KB (22K x 24) of Flash memory and 8 KB of SRAM, housed in a 64-pin VQFN (9x9 mm, MR) exposed-pad package with extended temperature operation (-40C to +125C). A Digital Signal Controller combines the deterministic control structure of a microcontroller with the math acceleration of a DSP core. Within the semiconductor hierarchy, the dsPIC33EP family sits under Microchip's 16-bit MCU/DSC portfolio, bridging general-purpose microcontrollers and dedicated DSPs for embedded control systems that need both fast control loops and signal-processing throughput. Key features include the dsPIC33E 16-bit core running at 60 MIPS, integrated CAN 2.0B for industrial and automotive networking, three on-chip operational amplifiers, four analog comparators, the Charge Time Measurement Unit (CTMU) for capacitive-touch and precision time measurement, and the Peripheral Trigger Generator (PTG) for autonomous, hardware-triggered peripheral sequencing. High-speed PWM outputs support motor control and digital power conversion topologies. Architecturally, the DSP engine provides single-cycle MAC, 40-bit wide accumulators, and modulo and bit-reversed addressing, while dual source-synchronous instruction fetch from zero-wait-state Flash sustains full-speed operation. DMA and a rich interrupt vector table offload the CPU in data-intensive loops. Typical applications include brushless DC and PMSM motor control, digital switched-mode power supplies, automotive body and comfort nodes (the -E variant is AEC-Q100 qualified), and industrial sensing with the CTMU. Design consideration: the device operates from a 3.0 V to 3.6 V single supply; verify the 9x9 VQFN exposed pad is well grounded for thermal and signal-integrity performance. This page synthesizes verified distributor data, drop-in alternatives, and engineering design notes not found in the manufacturer datasheet.

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DSPIC33EP64GP506-I/PT - 16-bit DSC, 70 MIPS, 64KB Flash | Microchip
DSPIC33EP64GP506-I/PT

DSPIC33EP64GP506-I/PT - 16-bit DSC, 70 MIPS, 64KB Flash | Microchip

The Microchip Technology DSPIC33EP64GP506-I/PT is a 16-bit digital signal controller (DSC) delivering up to 70 MIPS core performance at 60 MHz, with 64 KB (22K x 24) Flash program memory, 8 KB SRAM, and a 64-pin TQFP (10x10 mm) package. A digital signal controller combines the compute capability of a digital signal processor with the peripheral integration and deterministic control of a microcontroller. Within the power-management hierarchy, the DSC sits above generic MCUs and below standalone DSPs, making the dsPIC33E family a popular choice for embedded control systems that need multiply-accumulate (MAC/DSP) instructions alongside general-purpose I/O. Key features include the high-speed 16-bit dsPIC33E core with DSP engine, Peripheral Pin Select (PPS) for flexible pin mapping, a Charge Time Measurement Unit (CTMU) for capacitive touch and time-domain measurements, a Peripheral Trigger Generator (PTG), CAN 2.0B communication, high-speed PWM modules, and advanced analog peripherals. The industrial temperature grade (-I suffix) supports operation from -40C to +85C. The dsPIC33EP64GP506 implements 27 general-purpose timers (including nine 16-bit timers per family documentation), multiple UART, SPI, and I2C ports, and remappable peripheral pins that simplify PCB routing. The DCI (Data Converter Interface) and extended math support suit real-time signal processing workloads such as filtering and transform computation. Typical applications include motor control (BLDC, PMSM, stepper), digital power conversion and interleaved PFC, industrial automation and sensor conditioning, and general-purpose embedded control requiring DSP instructions. The CTMU makes it particularly efficient for capacitive-touch user interfaces. Design consideration: the core runs from a 3.0V to 3.6V supply; use all VDD/VSS pairs with local 0.1 uF decoupling, and route PGECx/PGEDx ICSP pairs as matched pairs for in-circuit programming and debug. This page synthesizes distributor pricing, drop-in alternatives, comparison data, and practical design notes not found in the manufacturer datasheet alone.

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DSPIC33EP64GP506T-E/PT - 16-bit 60 MIPS DSC, 64KB Flash | Microchip
DSPIC33EP64GP506T-E/PT

DSPIC33EP64GP506T-E/PT - 16-bit 60 MIPS DSC, 64KB Flash | Microchip

The Microchip Technology DSPIC33EP64GP506T-E/PT is a 16-bit digital signal controller (DSC) from the dsPIC33EP general purpose family delivering 60 MIPS core performance, 64KB (22K x 24) of FLASH program memory, and 8KB of RAM, housed in a 64-pin TQFP (10x10 mm) surface-mount package. It operates from a 3.0V to 3.6V supply across an extended automotive temperature range of -40C to +125C and is AEC-Q100 capable. A digital signal controller combines the computational architecture of a digital signal processor with the peripheral integration and ease of use of a microcontroller. Within the power management hierarchy, the DSC sits above basic MCUs and below application-specific DSPs, making the dsPIC33E family ideal for embedded control loops that also need math-heavy signal processing. Key features include the high-speed 16-bit dsPIC33E core with DSP engine, four DMA channels, CAN 2.0B communication, three on-chip operational amplifiers, four comparators, a Charge Time Measurement Unit (CTMU), and a Peripheral Trigger Generator (PTG) for autonomous peripheral sequencing. High-speed PWM outputs and a 10/12-bit ADC provide the analog and control backbone for precision embedded systems. Architecturally, the device uses an enhanced Harvard pipeline with 24-bit instruction width, hardware DSP multiply-accumulate, and single-cycle MAC operations, allowing filtering and control algorithms to run alongside general-purpose code with excellent code density. The T suffix indicates tape-and-reel delivery for automated assembly; the E suffix indicates the extended temperature grade. Typical applications include automotive body and powertrain control modules, industrial automation and motor control, digital power conversion, sensor fusion, and safety-relevant monitoring systems that exploit CAN and CTMU capabilities. Design consideration: the core requires a low-ESR capacitor on the internal VDDCORE regulator (VCAP pin) and careful 3.3V decoupling; review Microchip's dsPIC33EP family reference manual for oscillator and PLL configuration before locking the clock tree. This page synthesizes distributor pricing, drop-in same-family alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet alone.

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DSPIC33EP64GP506T-I/MR - 16-bit 70 MIPS DSC 64KB | Microchip
DSPIC33EP64GP506T-I/MR

DSPIC33EP64GP506T-I/MR - 16-bit 70 MIPS DSC 64KB | Microchip

The Microchip Technology DSPIC33EP64GP506T-I/MR is a 16-bit digital signal controller (DSC) from the dsPIC33EP general purpose family, delivering up to 70 MIPS core performance with 64 KB (22K x 24) of Flash program memory, 8 KB of RAM, and CAN 2.0B communication, housed in a 64-pin VQFN (9x9 mm, MR) surface-mount package rated for industrial temperatures of -40C to +85C. A digital signal controller combines the computational architecture of a microcontroller with DSP-grade multiply-accumulate hardware on a single die. Within the power management and embedded control hierarchy, the dsPIC33EP family sits above basic PIC16/PIC18 MCUs and alongside PIC24 16-bit microcontrollers, adding a DSP engine, high-speed ADC, and motor-control peripherals. This makes DSCs the standard choice for digitally controlled power conversion, sensor processing, and precision motion systems. Key differentiating features of this part include the integrated CAN 2.0B module for automotive and industrial fieldbus networks, three on-chip operational amplifiers that offload external analog front-end components, four analog comparators, the Charge Time Measurement Unit (CTMU) for capacitive touch and precise time measurement, and the Peripheral Trigger Generator (PTG) for hardware-orchestrated peripheral sequencing that reduces CPU overhead. Architecturally, the dsPIC33E core executes an enhanced 16-bit instruction set with DSP multiply-accumulate, modulo and bit-reversed addressing, and two 40-bit accumulators, sustaining full 70 MIPS operation across the 3.0V to 3.6V supply range. High-speed PWM peripherals support complementary outputs with dead-time control, enabling single-chip digital power supplies and brushless DC motor drives. Typical applications include automotive body and powertrain auxiliary modules using the CAN interface, digitally controlled switch-mode power supplies and PFC stages, three-phase BLDC and PMSM motor controllers, and industrial sensor-fusion nodes that exploit the CTMU and on-chip op amps. When designing with this device, exploit the PTG to automate ADC sampling and PWM update loops in hardware, and budget the 8 KB RAM carefully because DSP buffering and communication stacks compete for the same space. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP64GS502-E/2N - 16-bit 60 MIPS DSC, 64KB Flash | Microchip
DSPIC33EP64GS502-E/2N

DSPIC33EP64GS502-E/2N - 16-bit 60 MIPS DSC, 64KB Flash | Microchip

The Microchip Technology DSPIC33EP64GS502-E/2N is a 16-bit digital signal controller (DSC) delivering 60 MIPS performance with 64KB of flash memory, purpose-built for digital power and SMPS applications, housed in a 28-pin UQFN (6x6 mm) exposed-pad package rated for -40C to +125C operation. 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 replaces analog PWM controllers with firmware-defined switching control, enabling adaptive algorithms such as nonlinear control, predictive control, and phase management in switched-mode power supplies. Key features of the dsPIC33EP64GS502 include the dsPIC 33EP core with DSP instruction extensions, an interconnected high-speed PWM module designed for synchronous rectification and phase-shifted topologies, a high-speed 12-bit ADC with programmable gain amplifier (PGA), and integrated analog comparators and DACs for fast current-limit protection loops. The device also carries Functional Safety (FuSa) support per Microchip's product classification. The GS-series interconnect fabric routes ADC sample-ready events directly to PWM updates with deterministic latency, minimizing control-loop delay, which is the critical parameter in peak-current-mode and multi-phase converter designs operating at hundreds of kilohertz. Typical applications include AC-DC power supplies and interleaved power factor correction (Microchip publishes an Interleaved PFC reference design rated up to 350 W for this family), DC-DC converters, digital lighting ballasts, solar micro-inverters, and automotive power modules where the AEC-Q100 qualification and E-grade temperature rating are required. Design consideration: budget the control-loop timing so that ADC conversion completes within the PWM period deadband; the interconnect allows near-zero-latency duty-cycle updates but firmware must not exceed the sampling budget. This page synthesizes distributor availability data, same-package alternatives, and digital-power design notes not found in a single manufacturer datasheet.

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DSPIC33EP64GS502-E/MM - 16-Bit 64KB Flash DSC | Microchip
DSPIC33EP64GS502-E/MM

DSPIC33EP64GS502-E/MM - 16-Bit 64KB Flash DSC | Microchip

The Microchip Technology DSPIC33EP64GS502-E/MM is a 16-bit dsPIC33EP Digital Signal Controller (DSC) with 64KB (64K x 8) Flash program memory, up to 70 MIPS core performance at 3.3V operation, housed in a 28-pin QFN-S (6x6 mm) package with exposed pad and extended temperature range (-40C to +125C). A Digital Signal Controller combines the deterministic interrupt behavior and peripheral set of a microcontroller with the multiply-accumulate (MAC) DSP engine of a digital signal processor. In the power-conversion hierarchy, the DSC sits above a general-purpose MCU (adding a DSP engine and high-resolution PWM) and below a dedicated digital power ASIC (adding full firmware flexibility), making the dsPIC33EP family the standard choice for closed-loop switched-mode power supplies. The GS502 variant targets digital power specifically. Its distinguishing peripherals include an interconnected high-speed PWM module, a high-speed analog-to-digital converter with an integrated programmable gain amplifier (PGA), and analog comparators - a tightly coupled analog/PWM ecosystem that minimizes loop latency between current sensing and duty-cycle update. The -E suffix guarantees operation across the full automotive/industrial temperature range of -40C to +125C, and the device is AEC-Q100 qualified per distributor listings. The 16-bit CPU executes DSP instructions such as MAC and dual data fetch in a single cycle, delivering the loop bandwidth required for peak-current-mode and voltage-mode control at hundreds of kilohertz switching frequencies. Typical applications include AC-DC power supplies, interleaved power factor correction (Microchip's 350W interleaved PFC reference design is based on this device family), digital lighting ballasts, battery chargers, and LLC/half-bridge converters. Design consideration: the high-speed PWM requires careful routing - keep gate-drive traces short and pair the ADC sampling instant with a PWM trigger to avoid switching-noise corruption of current feedback. This page synthesizes distributor pricing, pin-compatible family alternatives, application pairings, and practical design notes not found in the manufacturer datasheet alone.

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

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

The Microchip Technology DSPIC33EP64GS502-E/MX is a 16-bit digital signal controller (DSC) delivering up to 70 MIPS from 64 KB (64K x 8) of Flash program memory and 8 KB of RAM, housed in a 28-pin SPDIP (MX) package with an extended temperature range of -40C to +125C. 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 dsPIC33EP family of DSCs sits at the heart of digital power conversion systems, where it replaces analog control loops with firmware-based control (SMPS control, PFC, digital power supplies), sampling sensor data through high-speed ADCs and driving power stages through dedicated PWM hardware. Key features of the GS50x family include a high-speed, interconnected 12-bit ADC with a programmable gain amplifier (PGA), an on-chip 12-bit DAC, comparators, and a high-resolution PWM module purpose-built for switching power supplies. The interconnection fabric allows ADC, PWM, DAC, and comparators to trigger each other with minimal CPU latency, a defining characteristic of the dsPIC33EPXXGS50X family. Architecturally, the device uses a 16-bit modified Harvard core with DSP instructions, executing from zero-wait-state Flash at 70 MIPS. The dedicated digital power peripherals (high-speed PWM with dead-time control, 12-bit ADC with multiple sample-and-hold channels, integrated comparators) form a tight analog-to-PWM loop essential for peak-current-mode and voltage-mode control at high switching frequencies. Typical applications include switched-mode power supplies (SMPS), power factor correction (PFC) converters, digital lighting ballasts, battery chargers, and uninterruptible power supplies. Microchip's Interleaved PFC reference design, producing up to 350 W from universal AC input, is based on this controller family. Design consideration: the -E extended-temperature variant should be chosen when ambient conditions exceed the industrial -40C to +85C window; verify package thermal resistance for the SPDIP housing at full clock speed. This page synthesizes distributor listings, family datasheet context, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP64GS502-E/SO - 16-bit DSC 60MIPS 64KB Flash | Microchip
DSPIC33EP64GS502-E/SO

DSPIC33EP64GS502-E/SO - 16-bit DSC 60MIPS 64KB Flash | Microchip

The Microchip Technology DSPIC33EP64GS502-E/SO is a 16-bit Digital Signal Controller (DSC) delivering 60 MIPS performance with 64 KB (64K x 8) of Flash program memory, housed in a 28-pin SOIC (0.3 inch wide-body) package with extended temperature range (-40C to +125C). It belongs to the dsPIC33EP GS50X family purpose-built for digital power applications such as SMPS and power conversion. A Digital Signal Controller combines the computational throughput of a DSP with the peripheral integration and deterministic interrupt structure of a microcontroller. In the power-management hierarchy, the DSC sits at the control layer of a switch-mode power supply, replacing analog control loops with firmware-executed compensation while retaining hardware peripherals for time-critical functions. The dsPIC33EP family is Microchip's 16-bit enhanced core generation, and the GS50X sub-family is its digital-power-optimized branch. Key differentiating features include the interconnected High-Speed PWM module engineered for switching power converters, high-speed 12-bit ADC inputs for voltage and current sensing, an integrated PGA (programmable gain amplifier), analog comparators, and a DAC for reference generation. The E suffix denotes the extended temperature grade, and the device is AEC-Q100 qualified and supports Functional Safety (FuSa) development, per DigiKey and MicrochipUSA product listings. Architecturally, the device executes the dsPIC33E/PIC24E enhanced 16-bit core at up to 60 MIPS, with a DSP engine (multiply-accumulate, divide assist) that accelerates control-law math such as PID and notch-filter compensation. Program memory can be used unpartitioned or split into two boot partitions for bootloader redundancy. Interconnects tie the comparators and PWM directly into the analog peripherals, enabling cycle-accurate current limiting without CPU intervention - a key requirement for peak-current-mode SMPS. Typical applications include AC-DC power supplies and interleaved power factor correction (Microchip's 350 W Interleaved PFC reference design targets this family), DC-DC converters, battery chargers, LED drivers, and solar micro-inverters. The extended temperature and AEC-Q100 qualification also allow use in automotive and industrial auxiliaries. Design consideration: budget the high-speed ADC sample-and-hold and PWM dead-time allocation together, since the interconnect scheme determines effective loop latency; keep analog sense routing away from PWM switch nodes on the 0.3-inch SOIC footprint. This page synthesizes distributor listings, drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet (DS70005127).

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DSPIC33EP64GS502-I/MM - 16-bit 70 MIPS DSC 64KB Flash | Microchip
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 - 16-bit 70 MIPS DSC 64KB Flash | Microchip
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 - 16-bit 60 MIPS DSC 64KB Flash | Microchip
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 - 70 MIPS 64KB Digital Power DSC | Microchip
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 - 16-Bit 70MIPS Digital Power DSC | Microchip
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 - 70MIPS 64KB Flash DSC | Microchip
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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DSPIC33EP64GS504T-E/PT - 64KB, 70MIPS SMPS DSC | Microchip
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/PT - 16-bit 70MIPS DSC 64KB Flash | Microchip
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 - 70 MIPS 16-bit DSC | Microchip
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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DSPIC33EP64GS708-I/PT - 16-bit 70 MIPS DSC | Microchip Technology
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 - 16-bit 70 MIPS Digital Power DSC | Microchip
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 - 16-bit DSC 64KB 70MIPS | Microchip
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 - 16-bit 70MIPS DSC 64KB Flash CAN | Microchip
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 - 70 MIPS Digital Power DSC 44-QFN | Microchip
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 - 16-bit 70 MIPS DSC, 64KB Flash | Microchip
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 - 70 MIPS 16-bit DSC, 64KB Flash | Microchip
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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