DSPIC33FJ64GS610-I/PF - 16-bit DSC 40 MIPS 64KB Flash | Microchip
MPN: DSPIC33FJ64GS610-I/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.42 | $7.42 |
| 10 | $6.68 | $66.80 |
| 100 | $5.94 | $594.00 |
| 500 | $5.35 | $2,675.00 |
| 1,000 | $4.82 | $4,820.00 |
DSPIC33FJ64GS610-I/PF Overview
A digital signal controller combines the compute throughput of a DSP with the peripheral integration and deterministic control of a microcontroller. Within the power-management IC hierarchy, a DSC sits above a general-purpose MCU for closed-loop control tasks: it samples feedback with fast analog-to-digital converters, executes control-loop mathematics, and drives power stages through dedicated PWM hardware. The dsPIC33F family is Microchip's 16-bit DSC platform, and the GS series is its switch-mode power supply (SMPS) optimized subset.
Key features of the DSPIC33FJ64GS610 include the 40 MIPS 16-bit core, 64KB self-programming FLASH, 3.0V to 3.6V single-supply operation, industrial temperature rating (-40C to +85C), and peripheral sets purpose-built for digital power: high-resolution PWM modules, fast analog comparators and ADCs for current-mode control, plus multiple UART, SPI and I2C ports for supervisory communication. In-Circuit Serial Programming (ICSP) via PGECx/PGEDx pin pairs enables field firmware updates.
Architecturally, the device pairs a 16-bit modified Harvard core with DSP instructions (MAC, DSP multiply) so that proportional-integral and predictive control loops execute in single-microsecond budgets, a decisive advantage over software-timed 8-bit MCUs in converters switching at 100 kHz and above.
Typical applications include AC-DC converters, DC-DC converters, power factor correction (PFC) stages - including interleaved PFC reference designs up to 350W - and uninterruptible power supplies (UPS), where the SMPS-focused peripherals directly implement voltage-mode, current-mode and multi-loop control.
Design consideration: use a PGECx/PGEDx pair consistently (for example PGEC2 with PGED2) for ICSP and debugging, and keep ICSP traces short per the Microchip datasheet layout guidance.
This page synthesizes distributor pricing, pin-compatible family alternatives, and practical design notes not found in the manufacturer datasheet, with data verified as of 2026-09-27.
Drop-in alternatives for DSPIC33FJ64GS610-I/PF — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with DSPIC33FJ64GS610-I/PF (same form factor and footprint) — differing in Core Architecture, Package, Operating Temperature, DMA Channels, Programming Interface.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ32GS610-I/PF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.4 / Unit
View Datasheet →DSPIC33FJ16GS610-I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GS610-50I/PF
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ64GS610-E/PF
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ64GS610-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ64GS610-I/PF Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F DSC |
| Maximum CPU Speed | 40 MIPS |
| Program Memory (FLASH) | 64 KB (64K x 8) |
| Data RAM | 9216 words (9 KB) |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Process Technology | CMOS |
| Package | 100-pin TQFP (14x14 mm) |
| Terminal Pitch | 0.4 mm |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (I grade) |
| Programming Interface | ICSP via PGECx/PGEDx pairs |
| Primary Application Focus | Digital SMPS / power conversion |
| Number of Pins | 100 |
| Packaging | Tray |
DSPIC33FJ64GS610-I/PF 100-pin tqfp (14x14 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ64GS610-I/PF (100-pin tqfp (14x14 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for DSPIC33FJ64GS610-I/PF.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64GS610-I/PF is suitable for 6 applications: AC-DC Converter Control, Power Factor Correction (PFC), DC-DC Converter Digital Control, Uninterruptible Power Supplies (UPS), Industrial Motor Drive and Digital Power Platforms, Firmware Development and ICSP-Based Production Programming.
AC-DC Converter Control
The DSPIC33FJ64GS610-I/PF fits offline AC-DC converter control because its SMPS-optimized peripheral set implements the dual-loop (voltage outer, current inner) architecture these supplies require: fast ADC sampling of the output and inductor current synchronized to the PWM period, and dedicated PWM modules with dead-time and fault shutdown. Running at 40 MIPS, the 16-bit core closes current loops at switching frequencies of 100 kHz and above with microsecond-level loop latency that 8-bit MCUs cannot achieve. Firmware-based control also enables adaptive burst mode and programmable protection thresholds. Place the controller on an isolated secondary side with a 3.3V regulator derived from the standby rail, and use optocoupler or digital isolator feedback for primary-side PWM drive.
Recommended
Power Factor Correction (PFC)
The DSPIC33FJ64GS610-I/PF is purpose-built for PFC stages: Microchip provides an official interleaved PFC reference design based on this DSC family that operates from universal AC input and delivers up to 350W of regulated high-voltage DC. Interleaved PFC needs two or more PWM channels phase-shifted by 180 degrees with matched current-sharing loops; the GS610's multiple PWM generators and synchronized ADC sampling provide exactly this capability in hardware, while the 40 MIPS core executes average-current-mode compensation in real time. Firmware PFC also supports valley switching, programmable brownout handling, and dynamic response to load transients. Budget roughly 5-10% of core MIPS per control loop, leaving ample headroom for housekeeping and communication tasks.
Recommended
DC-DC Converter Digital Control
For DC-DC converters - telecom bricks, server VRMs, and industrial bus converters - the DSPIC33FJ64GS610-I/PF provides the digital compensator, PWM generation, and telemetry in a single 3.0V to 3.6V device. Its high-resolution PWM adjusts duty cycle with fine granularity essential for tight regulation at high switching frequency, and on-chip comparators implement cycle-by-cycle current limiting without CPU intervention, protecting power stages during faults. The 64KB FLASH stores multiple operating-point compensator tables, enabling mode switching between buck, boost, or LLC control laws in one unit. Digital implementation further allows PMBus-style telemetry over UART/SPI so system hosts can read voltage, current, and temperature, satisfying modern power-system health-monitoring requirements without external supervisory ICs.
Recommended
Uninterruptible Power Supplies (UPS)
Line-interactive and online double-conversion UPS systems need simultaneous control of a PFC front end, a battery charger, and an inverter - a multi-loop problem the DSPIC33FJ64GS610-I/PF handles with its multi-loop SMPS peripheral architecture explicitly called out by Microchip for UPS applications. The 40 MIPS, 16-bit DSP core executes three interleaved control loops plus transfer logic, while the 100-pin TQFP supplies enough GPIO for relay driver control, bypass switch management, and front-panel interface. Fast ADC-to-PWM synchronization keeps inverter output THD low during load steps and mode transfers between mains and battery. Firmware-based control also supports self-test routines and event logging, improving serviceability of deployed UPS units in data-center and medical power environments.
Recommended
Industrial Motor Drive and Digital Power Platforms
Beyond pure supplies, the DSPIC33FJ64GS610-I/PF serves industrial digital-power platforms such as servo drive auxiliary supplies, welder power stages, and LED driver front ends, where deterministic 40 MIPS control and SMPS peripherals shorten development versus analog-control designs. The 100-pin TQFP exposes multiple PWM channels and communication ports (UART, SPI, I2C) so one controller can manage power conversion and MODBUS/CAN gateway tasks simultaneously, eliminating a second supervisory MCU in cost-sensitive industrial equipment. The CMOS 16-bit architecture maintains low jitter on PWM edges, which directly reduces switching losses in IGBT and MOSFET stages. Designers should rate the controller's -40C to +85C industrial temperature range against enclosure conditions and add local 3.3V regulation with bulk and 0.1uF decoupling at each supply pin.
Recommended
Firmware Development and ICSP-Based Production Programming
The DSPIC33FJ64GS610-I/PF is well suited as the target for firmware development and production programming flows because its ICSP interface via PGECx/PGEDx pin pairs supports in-circuit programming and debugging on the assembled PCB - no socketed programming step is required. Per the Microchip datasheet, any PGECx/PGEDx pair may be used but must remain matched (for example PGEC2 with PGED2), and ICSP traces should be kept short. This enables end-of-line firmware flashing on fixtures, field firmware updates with self-programming FLASH, and runtime calibration storage. The device is supported by MPLAB X, the XC16 compiler, SEGGER tools, and the MA330024 PIM on Explorer 16, giving teams a complete, low-cost toolchain from evaluation through mass production programming.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GS610-I/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ32GS610-I/PF | DSPIC33FJ16GS610-I/PF | DSPIC33FJ64GS610-E/PF | DSPIC33FJ64GS610-I/PT |
|---|---|---|---|---|---|
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| FLASH Program Memory | 64 KB | 32 KB | 16 KB | 64 KB | 64 KB |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Temperature Grade | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | Extended, AEC-Q100 qualified (E) | -40C to +85C (I) |
| Primary Use Case | Digital SMPS, PFC, UPS | Digital SMPS with smaller firmware image | Cost-optimized digital power control | Automotive / extended-temperature SMPS | High-volume reel-fed SMT assembly |
Key Differentiators
- Double the FLASH of the 32KB sibling at the same footprint (vs DSPIC33FJ32GS610-I/PF)
- Extended-temperature AEC-Q100 qualified variant available (vs DSPIC33FJ64GS610-E/PF)
- SMPS-dedicated peripherals versus general-purpose PIC18 parts (vs PIC18F26K80-I/SO)
Design Notes
Per the Microchip family datasheet, PGECx and PGEDx pins are used for In-Circuit Serial Programming (ICSP) and debugging. Use a matched pair only (for example PGEC2 with PGED2 - if PGEC2 carries ICSPCLK, ICSPDAT must connect to PGED2), and keep the trace length between the ICSP connector and the device pins as short as possible. Include a standard 5-pin ICSP header on every production board to preserve field firmware update capability, and avoid loading PGEDx pins with LEDs or pull-downs that fight the programmer's drive.
The DSPIC33FJ64GS610-I/PF requires a tight 3.0V to 3.6V supply. Derive it from the system 5V or 24V rail with a 3.3V LDO or small buck placed close to the controller. Decouple every VDD pin with 0.1uF ceramic capacitors plus one bulk capacitor (4.7uF to 10uF) near the device; in SMPS applications the controller shares a ground plane with high-di/dt power stages, so a solid, unbroken ground reference under the TQFP is essential to keep ADC readings free of switching noise. Consider an RC filter or dedicated quiet supply for VDDCORE/AVDD rails if ADC accuracy is critical.
When migrating firmware between GS610 family members (for example from the 64KB DSPIC33FJ64GS610 to the 32KB DSPIC33FJ32GS610), verify the linked image fits the smaller FLASH and that configuration words match - ICSP debug can behave erratically with mismatched config bits. Also confirm the target part temperature grade: the -I grade is specified -40C to +85C; environments outside this range require the -E variant, which is the AEC-Q100 qualified option. Do not mix PGEC/PGED pairing in code and hardware; mismatched pairs cause silent programming failures.
Compliance Information
The standard -I/PF grade is not the AEC-Q100 qualified variant; Microchip USA identifies the DSPIC33FJ64GS610-E/PF as the AEC-Q100 qualified option. RoHS/REACH status not stated in retrieved data - confirm on Microchip's product page.
