DSPIC33FJ32GS610T-50I/PT - 16-bit 50MIPS DSC 32KB Flash | Microchip
MPN: DSPIC33FJ32GS610T-50I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $19.86 | $19.86 |
| 10 | $15.4 | $154.00 |
| 100 | $10.2 | $1,020.00 |
| 500 | $7.8 | $3,900.00 |
| 1,000 | $5.9 | $5,900.00 |
DSPIC33FJ32GS610T-50I/PT Overview
A digital signal controller combines the control peripherals of a microcontroller with the math throughput of a DSP. Within the power-management hierarchy, a DSC such as the dsPIC33F family sits between a general-purpose MCU and a dedicated power-supply controller: it runs the main application while also executing high-speed closed-loop control of switching power converters. The dsPIC33FJ32GS610 belongs to Microchip's GS-series, purpose-built for digital switch-mode power supplies (SMPS), power-factor correction, and digital lighting.
Key features of this part include dedicated high-resolution SMPS PWM peripherals optimized for peak-current-mode and voltage-mode converter control, two quadrature encoder interface (QEI) modules for motor feedback, four analog comparators, and on-chip DAC resources. The 50 MIPS core executes DSP multiply-accumulate instructions, enabling single-chip implementation of compensators and filters that would otherwise need external analog circuitry.
Technically, the device operates from a 3.3V supply typical of the dsPIC33F family and is programmed and debugged through the PGECx/PGEDx pins using Microchip In-Circuit Serial Programming (ICSP), keeping ICSP trace lengths short as recommended in the datasheet. Development is supported by the Explorer 16/32 Development Board with processor Plug-In Modules (PIMs), MPLAB X IDE, and the XC16 compiler.
Typical applications include digitally controlled AC-DC and DC-DC power supplies, power-factor-correction stages, uninterruptible power supplies, digital lighting ballasts, battery chargers, and embedded motor-control systems that leverage the QEI modules.
A key design consideration: verify PWM resolution and peripheral channel allocation against your converter topology early, since the GS-series SMPS PWM resource set differs from the motor-control PWM of the MC-series dsPIC33F parts.
This page synthesizes distributor pricing, drop-in alternatives within the dsPIC33F GS610 family, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ32GS610T-50I/PT — 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 DSPIC33FJ32GS610T-50I/PT (same form factor and footprint) — differing in RAM, RoHS Status, Supply Voltage, Operating Temperature, Core.
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DSPIC33FJ64GS610T-50I/PT
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$6.65 / Unit
View Datasheet →DSPIC33FJ64GS610-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ32GS610-50I/PT
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View Datasheet →DSPIC33FJ32GS610T-50I/PT Maximum Ratings & Electrical Characteristics
| Core Processor | dsPIC33F (dsPIC 33F) |
| Core Architecture | 16-bit DSC |
| Performance | 50 MIPS |
| Program Memory (FLASH) | 32KB (32K x 8) |
| RAM | 4KB (4K x 8) |
| Supply Voltage | 3.3 V (dsPIC33FJ32GS610 family, 3.0 V to 3.6 V) |
| SMPS PWM | Yes (dedicated SMPS PWM peripherals) |
| QEI Modules | 2 |
| Analog Comparators | 4 |
| DAC | Yes (on-chip) |
| Package | 100-TQFP (12x12 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (I grade) |
| Programming / Debug | ICSP via PGECx/PGEDx pins |
| Packaging / Factory Pack Quantity | Tape & Reel (/PT), factory pack quantity 40 per chipdig listing |
| RoHS Status | Compliant (see compliance_info) |
| Product Series | DSPIC33FJ32GS610 (dsPIC33FJ32GS406/606/608/610 family) |
DSPIC33FJ32GS610T-50I/PT 100-tqfp (12x12 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ32GS610T-50I/PT (100-tqfp (12x12 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 DSPIC33FJ32GS610T-50I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ32GS610T-50I/PT is suitable for 6 applications: Digitally Controlled AC-DC Power Supplies, Power Factor Correction (PFC), Digital Lighting Ballasts and LED Drivers, Motor Control with Encoder Feedback, Uninterruptible Power Supplies (UPS), Embedded System Development and Prototyping.
Digitally Controlled AC-DC Power Supplies
The DSPIC33FJ32GS610T-50I/PT is a natural fit for digitally controlled AC-DC and DC-DC power supplies because its GS-series SMPS PWM peripherals were designed specifically for switch-mode converter control, with high-resolution PWM and cycle-by-cycle current limiting via the 4 integrated analog comparators. The 50 MIPS 16-bit core with DSP multiply-accumulate instructions executes voltage- and current-loop compensators in firmware, replacing analog error amplifiers and giving designers digital flexibility for adaptive gain scheduling, soft-start, and fault handling. The 4KB RAM supports control state machines and telemetry buffering, while the 32KB FLASH holds the full control firmware plus housekeeping. Placed as the single supervisory controller, it can run PFC and main converter loops concurrently with minimal external components.
Recommended
Power Factor Correction (PFC)
Power-factor-correction stages benefit directly from this DSC's architecture. The SMPS PWM module supports boost-converter topologies used in PFC front ends, and the 4 analog comparators provide hardware overcurrent protection independent of firmware latency - critical when the PWM must be shut down within a switching cycle at 50-500 kHz. The 50 MIPS core computes average-current-mode PFC control laws with DSP MAC operations, achieving high power factor and low THD while supporting digital inrush and brown-out handling. The on-chip DAC generates programmable reference thresholds for the comparators, removing external reference ICs. Designers typically clock the ADC at each PWM cycle boundary for synchronous sampling of input voltage, inductor current, and bus voltage, keeping total control latency under one switching period.
Recommended
Digital Lighting Ballasts and LED Drivers
Digital lighting applications - HID ballasts, high-power LED drivers, and dimmable lighting power stages - use the DSPIC33FJ32GS610's SMPS PWM resolution to achieve flicker-free current regulation and smooth dimming curves. The 50 MIPS core handles lamp ignition sequencing, resonant-transition control, and communication protocols such as DALI implemented in firmware. The 4 comparators protect the switching stage against open-lamp and short-circuit faults at hardware speed, while the on-chip DAC sets dimming and current-limit thresholds digitally. With 32KB FLASH there is headroom for the control loop plus a communication stack, and the industrial -40C to +85C rating suits luminaire environments. The 100-pin TQFP provides ample I/O for multi-string LED channel control and telemetry.
Recommended
Motor Control with Encoder Feedback
The two integrated QEI modules let the DSPIC33FJ32GS610T-50I/PT interface directly to quadrature encoders on servo motors, BLDC drives, and positioning systems, offloading encoder decoding from software. The 50 MIPS 16-bit core runs field-oriented control (FOC) and space-vector PWM algorithms using DSP multiply-accumulate instructions, and the high-resolution SMPS PWM peripheral produces the gate-drive waveforms for three-phase inverters. Four comparators provide cycle-by-cycle overcurrent protection, and the on-chip DAC supports programmable protection thresholds. Firmware for FOC, startup sequencing, and commutation fits comfortably in 32KB FLASH. For motor-control designs needing more program space or a different peripheral mix, Microchip's MC-series dsPIC33F parts are the software-similar option, though not pin-compatible.
Recommended
Uninterruptible Power Supplies (UPS)
UPS systems require coordinated control of a rectifier/PFC stage, a battery charger, and an inverter - a workload the DSPIC33FJ32GS610T-50I/PT handles from one chip. Its SMPS PWM resources drive multiple converter stages with independent duty-cycle control, the 4 comparators implement hardware fast-fault shutdown for battery short and inverter overcurrent events, and the 50 MIPS DSP core runs the inverter's sinusoidal control law plus battery-management state machines. The 32KB FLASH accommodates the control firmware, charger logic, and a basic communication interface, while 4KB RAM buffers status and event logs. The industrial temperature grade and 3.3V supply integrate cleanly into UPS auxiliary power domains, and ICSP field programming enables firmware updates in service.
Recommended
Embedded System Development and Prototyping
For development and prototyping, the DSPIC33FJ32GS610 is supported by Microchip's Explorer 16/32 Development Board, a low-cost modular system for 16-bit and 32-bit microcontrollers that accepts processor Plug-In Modules (PIMs) for easy device swapping and includes a PICtail Plus daughter-card connector for adding functionality. Code is developed in MPLAB X IDE with the XC16 compiler and debugged over ICSP via the PGECx/PGEDx pins - keep these traces short per the datasheet recommendation. The 32KB FLASH is sufficient for most control demonstrations, and because the 100-pin TQFP footprint is shared with the 64KB DSPIC33FJ64GS610T-50I/PT, prototype PCBs scale to production without a respin when firmware grows.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ32GS610T-50I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GS610T-50I/PT | DSPIC33FJ64GS610-I/PT | DSPIC33FJ32GS610-50I/PT |
|---|---|---|---|---|
| Package | 100-TQFP (12x12 mm) | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 16-bit dsPIC33F, 50 MIPS | 16-bit dsPIC33F, 50 MIPS | 16-bit dsPIC33F, 50 MIPS | 16-bit dsPIC33F, 50 MIPS |
| FLASH Program Memory | 32KB (32K x 8) | 64KB (64K x 8) | 64KB (64K x 8) | 32KB (32K x 8) |
| RAM | 4KB | 4KB | 4KB | 4KB |
| SMPS PWM / QEI / Comparators / DAC | Yes / 2 / 4 / Yes | Yes / 2 / 4 / Yes | Yes / 2 / 4 / Yes | Yes / 2 / 4 / Yes |
| Operating Temperature | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| Packaging / Delivery | Tape & Reel (/PT), factory pack 40 | Tape & Reel | Tray | Tray |
Key Differentiators
- Dedicated SMPS PWM peripherals (vs DSPIC33FJ32GP204-I/PT)
- Dual QEI modules for encoder feedback (vs DSPIC33FJ32GS608-50I/PT)
- Memory scalability without respin (vs DSPIC33FJ64GS610T-50I/PT)
Design Notes
Keep ICSP trace lengths short. According to the Microchip datasheet (70000591f), the PGECx and PGEDx pins are used for In-Circuit Serial Programming and debugging, and it is recommended to keep the trace length between the ICSP connector and the ICSP pins on the device as short as possible. Route PGEC/PGED away from SMPS PWM gate-drive traces to prevent switching noise from corrupting debug sessions. Place the ICSP connector so it does not force long stubs on these programming pins, and series-resistor the programming lines if they are shared with application circuitry.
Decouple every VDD/VSS pin pair on the 100-TQFP with local 0.1uF ceramics, and add bulk 4.7-10uF near the device. On GS-series DSC boards the same PCB usually hosts high di/dt SMPS power stages; keep the digital 3.3V plane separated from power-stage gate-drive returns and join them at a single point to avoid ground bounce into the ADC and comparator references. Estimated: with 50 MIPS core current in the tens of mA range plus gate-drive loads, voltage droop across shared ground impedance can reach tens of millivolts - enough to shift comparator trip thresholds.
Budget FLASH conservatively: 32KB must hold the control loop, fault handlers, and any communication stack. Enable compiler optimization and verify code size in MPLAB X before committing to this MPN; if the build exceeds roughly 28KB, step to the pin-compatible DSPIC33FJ64GS610T-50I/PT instead of squeezing firmware. Also confirm ADC timing configuration early - converter control loops depend on ADC sampling synchronized to the SMPS PWM period, and misconfigured trigger sources are the most common GS-series bring-up issue reported in design forums.
Compliance Information
RoHS compliance listed in chipdig and distributor datasheet listings for DSPIC33FJ32GS610T-50I/PT. REACH, halogen-free, and conflict-minerals status not stated in the provided data.
