DSPIC33FJ32GS610-I/PF - 16-bit DSC 40 MIPS 32KB Flash | Microchip
MPN: DSPIC33FJ32GS610-I/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.45 | $7.45 |
| 10 | $6.9 | $69.00 |
| 100 | $6.35 | $635.00 |
| 500 | $5.85 | $2,925.00 |
| 1,000 | $5.4 | $5,400.00 |
DSPIC33FJ32GS610-I/PF Overview
A digital signal controller combines the computational capability of a digital signal processor with the peripheral integration and control flexibility of a microcontroller. Within the power-management hierarchy, the dsPIC33FJ GS family sits at the application layer of switch-mode power systems: it executes control loops, supervises power conversion, and manages system communication, sitting above analog controllers but below application processors. DSCs like this device are the mainstream choice for digitally controlled power supplies where firmware-defined control laws replace hardwired analog compensation.
Key features of the GS610 include the high-performance 16-bit dsPIC33F core running at up to 40 MIPS, 32KB of on-chip Flash, 4 DMA channels for efficient data transfer between peripherals and RAM, and dedicated SMPS-oriented analog peripherals for power-conversion feedback. The -I temperature grade guarantees operation from -40C to +85C, covering industrial environments, and the supply range of 3V to 3.6V suits standard 3.3V rails.
Technically, the device uses a modified Harvard 16-bit architecture with DSP instruction extensions (MAC, DSP multiply, dual operand fetch) that enable single-cycle multiply-accumulate operations essential for executing proportional-integral control loops at switching-friendlier rates. In-Circuit Serial Programming (ICSP) via PGECx/PGEDx pins allows field firmware updates and in-circuit debugging with tools such as MPLAB SNAP, as documented in the Microchip dsPIC33FJ32GS406/606/608/610 data sheet.
Typical applications include interleaved power factor correction (Microchip provides an Interleaved PFC reference design producing up to 350W from universal input), digital AC-DC and DC-DC power supplies, battery chargers, uninterruptible power supplies, and lighting ballast control. The rich peripheral set and 100-pin I/O count make it suitable for multi-channel converters.
When designing, keep ICSP trace lengths short and budget one PWM/ADC-aware layout pass early, since control-loop performance depends heavily on analog routing quality.
This page synthesizes distributor pricing, family drop-in variants, applications, and design guidance not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ32GS610-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 DSPIC33FJ32GS610-I/PF (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, Supply Voltage Range, DMA Channels.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ32GS610-50I/PF
✅ Drop-In✓ In Stock
$5.45 / Unit
View Datasheet →DSPIC33FJ32GS610-50E/PF
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ64GS610-I/PF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.82 / Unit
View Datasheet →DSPIC33FJ64GS610-50I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ32GS610-I/PF Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F |
| Max Clock Performance | 40 MIPS |
| Flash Program Memory | 32 KB |
| RAM | 4 KB |
| DMA Channels | 4 |
| Supply Voltage Range | 3 V to 3.6 V |
| Operating Temperature | -40C to +85C (I grade) |
| Package | 100-pin TQFP (14x14 mm), PF |
| Mounting Type | Surface Mount |
| Programming Interface | ICSP via PGECx/PGEDx |
| Product Family | dsPIC33FJ32GS406/606/608/610 |
| Technology Process | CMOS |
| Application Focus | SMPS / digital power conversion |
| Debug Support | MPLAB SNAP / ICSP in-circuit debugging |
DSPIC33FJ32GS610-I/PF 100-pin tqfp (14x14 mm), pf Pin Configuration Guide
Pin configuration for DSPIC33FJ32GS610-I/PF (100-pin tqfp (14x14 mm), pf 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 DSPIC33FJ32GS610-I/PF.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ32GS610-I/PF is suitable for 6 applications: Interleaved Power Factor Correction, Digital AC-DC Power Supplies, Battery Chargers, Uninterruptible Power Supplies (UPS), Electronic Lighting Ballasts, Industrial Motor Control and Automation.
Interleaved Power Factor Correction
The DSPIC33FJ32GS610-I/PF is a primary controller for interleaved PFC front ends, and Microchip explicitly provides an Interleaved PFC reference design based on the SMPS dsPIC33FJ GS family that accepts universal AC input and produces a single high-voltage DC output up to 350W. The 40 MIPS DSP core executes average-current-mode PI compensation each switching cycle using single-cycle MAC instructions, while the 4 DMA channels move ADC conversion results to RAM without CPU intervention, preserving cycle budget. The 100-pin TQFP provides enough PWM outputs and analog inputs for two-phase current sharing, input voltage feedforward, and output voltage sensing simultaneously, all within a -40C to +85C industrial rating.
Recommended
Digital AC-DC Power Supplies
In digitally controlled AC-DC converters, the DSPIC33FJ32GS610-I/PF replaces hardwired analog compensation loops with firmware-defined control, allowing one hardware platform to serve multiple output voltage and power specifications through firmware changes. The 32KB Flash holds the control law, protection routines (over-current, over-voltage, brown-out), and housekeeping; the 4KB RAM buffers telemetry. Its SMPS-focused analog peripherals synchronize ADC sampling to the PWM carrier so that current samples are taken at the optimal instant, reducing switching noise in feedback. The -40C to +85C I-grade and 3V to 3.6V supply integrate cleanly into standard industrial power supply architectures with 3.3V logic rails.
Recommended
Battery Chargers
Multi-stage battery charging (CC/CV/trickle, temperature-qualified) benefits directly from the DSPIC33FJ32GS610-I/PF architecture. The 16-bit DSP core runs the charging state machine and fast inner current loop at 40 MIPS, while the abundant 100-pin I/O supports multiple charge-channel multiplexing, charger-to-battery communication (SMBus-style stacks fit comfortably in 32KB Flash), and safety monitoring inputs such as NTC thermistors and current-sense amplifiers. Firmware-defined algorithms allow per-chemistry profiles (Li-ion, lead-acid, NiMH) on identical hardware. The 4 DMA channels offload ADC sampling of voltage, current, and temperature so the CPU bandwidth remains available for the control loop and communications.
Recommended
Uninterruptible Power Supplies (UPS)
UPS systems require simultaneous control of an AC-DC rectifier stage, a DC-DC boost stage, and a DC-AC inverter stage - a workload matched to the DSPIC33FJ32GS610-I/PF's 100-pin I/O budget and 40 MIPS core. Each converter stage receives dedicated PWM channels and ADC feedback paths; the DSP MAC instructions execute the three control loops deterministically. Firmware-implemented transfer logic between line and battery modes, anti-islanding checks, and waveform synthesis for the inverter all reside in the 32KB Flash. The -40C to +85C rating suits both data-center and industrial UPS environments, and ICSP enables field firmware updates without removing the controller from the board.
Recommended
Electronic Lighting Ballasts
High-intensity discharge and fluorescent ballasts, as well as high-power LED drivers, use the DSPIC33FJ32GS610-I/PF to implement resonant or phase-controlled topologies with firmware-tunable ignition, warm-up, and dimming sequences. The 40 MIPS core sustains the frequency-control loop for resonant converters, while adjustable ADC-to-PWM synchronization keeps feedback sampling aligned with the switching period, improving dimming stability at low light levels. Multiple independent PWM outputs from the 100-pin device drive half-bridge and full-bridge stages directly. Digital control also enables DALI-style dimming protocols and lamp fault diagnostics (open-lamp, end-of-life detection) in the same 32KB firmware image.
Recommended
Industrial Motor Control and Automation
Beyond power supplies, the DSPIC33FJ32GS610-I/PF's DSP core, 40 MIPS throughput, and rich PWM/ADC complement suit field-oriented motor control for BLDC and PMSM drives in factory automation. The 100-pin package supports three-phase inverter PWM outputs, multiple current-sense ADC channels, encoder or Hall inputs, and industrial communication interfaces concurrently. Its 4 DMA channels keep ADC sampling of phase currents synchronized to PWM center points, which is essential for accurate torque-producing current measurement. The -40C to +85C industrial grade, ICSP field-update capability, and 3.3V supply integrate into standard automation cabinets and drive boards without additional level-shifting complexity.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ32GS610-I/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ32GS610-50I/PF | DSPIC33FJ32GS610-50E/PF | DSPIC33FJ64GS610-I/PF | DSPIC33FJ64GS610-50I/PF |
|---|---|---|---|---|---|
| Package | 100-pin TQFP (14x14 mm), PF | 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 |
| Performance | 40 MIPS | 50 MIPS | 50 MIPS | 40 MIPS | 50 MIPS |
| Flash Program Memory | 32 KB | 32 KB | 32 KB | 64 KB | 64 KB |
| Operating Temperature | -40C to +85C (I grade) | -40C to +85C | -40C to +125C (E grade) | -40C to +85C | -40C to +85C |
| DMA Channels | 4 | 4 | 4 | 4 | 4 |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Best For | Cost-optimized 40 MIPS digital power designs | Higher switching frequency loops | High-ambient-temperature environments | Feature-rich firmware needing more code space | Maximum performance and memory |
Key Differentiators
- Cost-optimized speed grade (vs DSPIC33FJ32GS610-50I/PF)
- Cost vs temperature headroom (vs DSPIC33FJ32GS610-50E/PF)
- Fits lean firmware (vs DSPIC33FJ64GS610-I/PF)
Design Notes
Per the Microchip dsPIC33FJ32GS610 family data sheet, keep the trace length between the ICSP connector and the PGECx/PGEDx pins as short as possible. Long ICSP traces pick up switching noise from the power stage and cause programming/debug failures in SMPS boards. Place a standard ICSP header (MCLR, VDD, GND, PGD, PGC) at the board edge with direct routing to the device, and series resistors (typically 100 ohm) on PGD/PGC if the pins are shared with application circuitry.
The device operates from 3V to 3.6V. In digital power supplies, place it on a clean 3.3V rail derived from a small LDO or the housekeeping supply - never from a noisy converter output. Decouple every VDD pin pair with 0.1uF ceramic capacitors placed within 2 mm of the pins, plus one bulk 10uF per supply domain. Because the control ground and power ground coexist on the same PCB, use a single-point (star) ground connection at the ADC reference to prevent ground bounce from corrupting current-loop samples.
Do not confuse the speed grades when sourcing: the -I/PF part runs at 40 MIPS while the -50I/PF variant runs at 50 MIPS, and firmware tuned at 50 MIPS (PWM resolution, ADC sampling schedules, loop timing) may violate timing at 40 MIPS. Additionally, the -E grade (-40C to +125C) and -I grade (-40C to +85C) are not interchangeable in high-ambient designs. Verify the full suffix on incoming reels and match your MPLAB project oscillator configuration and linker script to the actual device before production.
Compliance Information
Compliance data was not present in the provided web data. Verify RoHS/REACH status on the Microchip product page or datasheet before procurement.
