DSPIC33FJ64GS610T-50I/PF - 16-bit 50MIPS DSC 64KB Flash | Microchip
MPN: DSPIC33FJ64GS610T-50I/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.2 | $7.20 |
| 10 | $6.6 | $66.00 |
| 100 | $5.9 | $590.00 |
| 500 | $5.4 | $2,700.00 |
| 1,000 | $4.95 | $4,950.00 |
DSPIC33FJ64GS610T-50I/PF Overview
A digital signal controller combines the control flow of a microcontroller (MCU) with the computational throughput of a digital signal processor (DSP) in a single device. Within the power-management hierarchy, a DSC such as the dsPIC33FJ64GS610 sits between a general-purpose MCU and a dedicated digital power IC, executing real-time control loops for switching power supplies and motor drives while also managing housekeeping, communication, and user-interface tasks.
Key differentiating features include dedicated SMPS PWM peripherals, 2 quadrature encoder interface (QEI) modules, a CAN 2.0B controller, a 10-bit DAC, and 4 analog comparators, making this one of the few 16-bit controllers purpose-built for digital power conversion. The industrial temperature grade (-40C to +85C, denoted by the I suffix) suits demanding factory and power-infrastructure environments.
Architecturally, the dsPIC33F core pairs a 16-bit pipelined CPU with DSP instruction extensions (single-cycle MAC, dual operand fetch), enabling deterministic execution of Proportional-Integral-Derivative (PID) and predictive control loops at loop rates far above what conventional MCUs achieve. High-resolution PWM modules support complementary outputs, dead-time insertion, and fault shutdown - the classic requirements of half-bridge and full-bridge power stages.
Typical applications include switched-mode power supplies (SMPS) with active Power Factor Correction, DC-DC converters, digital lighting ballasts, and battery chargers. Microchip's Interleaved PFC reference design, delivering up to 350W from a universal input range, is based directly on this device family.
When designing with this part, budget the peripheral pin map early - the 100-pin TQFP provides the port fan-out needed for multiple PWM channels plus CAN and QEI simultaneously, but remappable pin assignment must be planned to avoid routing conflicts.
This page synthesizes distributor pricing context, drop-in same-family alternatives, and practical design notes not consolidated in the manufacturer datasheet. Pricing references are as of 2026-09-27.
Drop-in alternatives for DSPIC33FJ64GS610T-50I/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 DSPIC33FJ64GS610T-50I/PF (same form factor and footprint) — differing in Operating Temperature, Packaging, Package, RAM, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64GS610-50I/PT
✅ Drop-In✓ In Stock
$6.9 / Unit
View Datasheet →DSPIC33FJ256GP510T-I/PT
✅ Drop-In✓ In Stock
$6.95 / Unit
View Datasheet →DSPIC33FJ256MC510T-I/PF
✅ Drop-In✓ In Stock
$6.65 / Unit
View Datasheet →DSPIC33FJ64GP710T-I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ128GP510T-I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GS610T-50I/PF Maximum Ratings & Electrical Characteristics
| Core | dsPIC33F, 16-bit |
| Product Type | Digital Signal Controller (DSC) |
| Performance | 50 MIPS (50 MHz) |
| Flash Program Memory | 64KB (64K x 8) |
| RAM | 9KB |
| Package | 100-TQFP (14x14 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial, I grade) |
| SMPS PWM | Yes (dedicated SMPS PWM module) |
| Quadrature Encoder Interface | 2 QEI modules |
| CAN | CAN 2.0B controller |
| DAC | 1x 10-bit DAC |
| Analog Comparators | 4 |
| RoHS | Compliant (RoHS Details) |
| Packaging | Tape & Reel (T suffix), Factory Pack Quantity 40 |
| Processor Series | dsPIC33F |
DSPIC33FJ64GS610T-50I/PF 100-tqfp (14x14 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ64GS610T-50I/PF (100-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 DSPIC33FJ64GS610T-50I/PF.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64GS610T-50I/PF is suitable for 6 applications: Switch-Mode Power Supplies (SMPS), Power Factor Correction (PFC), Motor Drives and Motion Control, Digital Lighting Ballasts and LED Drivers, Battery Chargers and Power Conversion, Industrial Control and CAN Networking Nodes.
Switch-Mode Power Supplies (SMPS)
The DSPIC33FJ64GS610T-50I/PF was architected specifically for digitally controlled power supplies. Its dedicated SMPS PWM module provides complementary outputs with programmable dead-time insertion and fault-trip shutdown, while 4 high-speed analog comparators enable cycle-by-cycle overcurrent protection independent of software latency. The 50 MIPS dsPIC33F core closes current-mode control loops at switching frequencies typical of flyback, half-bridge, and LLC converters deterministically. In practice the DSC sits between the feedback dividers and the gate drivers, implementing voltage-mode or average-current-mode control with digital PID compensators; unlike fixed-function PWM ICs, the compensation network is firmware-tunable, allowing one PCB to serve multiple output ratings. Microchip's application literature for the GS family documents complete SMPS reference implementations, reducing time-to-first-power-on.
Recommended
Power Factor Correction (PFC)
Microchip's official Interleaved PFC reference design - producing up to 350W from a universal AC input range - is built on the dsPIC33FJ64GS610, making PFC one of the best-documented applications for this exact device. Interleaved PFC requires two boost phases switched 180 degrees out of phase; the SMPS PWM module's multi-channel complementary outputs generate the phase-shifted drive directly, while the ADC samples input current and bus voltage within each switching period. The 50 MIPS core executes the average-current-mode inner loop and the slower voltage outer loop with plenty of computation headroom for power-limit and brown-out logic. The on-chip DAC provides programmable reference thresholds for comparator-based fast protection, and CAN connectivity supports telecom rectifier supervisory buses.
Recommended
Motor Drives and Motion Control
With 2 quadrature encoder interface (QEI) modules and dedicated PWM hardware, the DSPIC33FJ64GS610T-50I/PF serves dual-motor motion systems: each QEI decodes an incremental encoder in hardware at full speed, freeing the 50 MIPS DSP core for field-oriented control (FOC) mathematics - the single-cycle MAC and DSP multiply instructions accelerate Clarke/Park transforms and PI current loops. The 100-pin TQFP supplies enough I/O to drive two complete three-phase inverter bridges plus gate-drive fault inputs, limit switches, and a CAN bus for higher-level coordination in factory automation or robotics. The industrial -40C to +85C rating covers unconditioned cabinet environments. Firmware portability within the dsPIC33FJ family means motor-control libraries written for smaller 33F parts reuse directly.
Recommended
Digital Lighting Ballasts and LED Drivers
High-intensity discharge (HID) ballasts and high-power LED drivers demand resonant or phase-shifted topologies with precise frequency and phase control - exactly what the SMPS PWM module delivers. The DSPIC33FJ64GS610T-50I/PF sweeps PWM frequency for ignition and warm-up sequencing of HID lamps, and implements constant-current regulation for LED strings with firmware-adjustable dimming profiles including 0-10V and DALI-style interfaces over UART or CAN. Four analog comparators guard against lamp open/short faults with hardware-speed response. The 9KB RAM comfortably hosts scaling, scheduling, and communication buffers, while the 64KB FLASH stores multiple lamp profiles. Digital control replaces banks of analog compensation components, cutting BOM count and enabling one firmware family across product wattage tiers.
Recommended
Battery Chargers and Power Conversion
Multi-chemistry battery chargers benefit from the GS610's combination of analog supervision and digital flexibility. The ADC plus 10-bit DAC and 4 comparators implement accurate charge-current and battery-voltage regulation with hardware overvoltage cutoff, while the 50 MIPS core runs CC/CV/trickle state machines, temperature derating curves, and charge-profile storage in FLASH. For higher-power conversion stages the SMPS PWM drives synchronous buck or full-bridge charger power stages with dead-time control. The CAN 2.0B controller natively speaks charging-station and battery-management communication protocols used in industrial and e-mobility infrastructure, and 2 QEI modules can interface rotary encoders on charging-arm mechanisms. Industrial temperature grading supports outdoor and unheated installations.
Recommended
Industrial Control and CAN Networking Nodes
Beyond power conversion, the DSPIC33FJ64GS610T-50I/PF is a capable industrial controller: the integrated CAN 2.0B controller connects to factory fieldbuses, the 50 MIPS 16-bit core with DSP extensions handles real-time sampling and filtering, and the large 100-pin TQFP offers generous I/O for sensors, relays, and displays. DSP instructions accelerate FFT-based vibration monitoring and digital filtering tasks that a conventional 8-bit MCU cannot sustain. The 64KB FLASH supports self-programming for field firmware updates over CAN. Systems integrators commonly pair this DSC with Microchip CAN transceivers and use the Explorer 16/32 Development Board with the dsPIC PIM for rapid prototyping, as documented on the Microchip product page.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GS610T-50I/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GS610-50I/PT | DSPIC33FJ256GP510T-I/PT | DSPIC33FJ256MC510T-I/PF | DSPIC33FJ64GP710T-I/PF | DSPIC33FJ128GP510T-I/PF |
|---|---|---|---|---|---|---|
| Package | 100-TQFP (14x14 mm) | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 16-bit, 50 MIPS | 16-bit, 50 MIPS | 16-bit, 50 MIPS | 16-bit, 50 MIPS | 16-bit, 50 MIPS | 16-bit, 50 MIPS |
| Flash Memory | 64KB | 64KB | 256KB | 256KB | 64KB | 128KB |
| SMPS-Dedicated PWM | Yes | Yes | No (general PWM) | No (MC motor PWM) | No (general PWM) | No (general PWM) |
| CAN 2.0B | Yes | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- SMPS-dedicated PWM hardware (vs DSPIC33FJ256GP510T-I/PT)
- Lowest-cost path within pin-compatible family for digital power (vs DSPIC33FJ256MC510T-I/PF)
- Dual QEI for two-axis motion (vs DSPIC33FJ64GP710T-I/PF)
Design Notes
Plan peripheral pin mapping (PPS) before PCB routing. The GS610 offers remappable digital functions, but PWM outputs, QEI inputs, and CAN transceiver pins have preferred port locations documented in the datasheet pin tables. Teams that route first and assign PPS last frequently discover conflicts that force a board respin. Also read the family errata and datasheet clarification (Microchip, 2018 update) alongside the main datasheet - several GS-family silicon issues affect specific revision levels.
The dsPIC33FJ core runs from a nominal 3.3V supply with tight tolerance; in SMPS applications the controller shares the board with noisy power stages, so use a dedicated low-noise LDO or ferrite-filtered rail for VDD and separate the analog supply with an RC filter. Route the comparator and ADC reference away from gate-drive switching nodes, and place a 0.1uF capacitor at every VDD/VSS pair plus bulk capacitance near the device, per Microchip layout guidance in the SMPS reference designs.
On the 100-TQFP (14x14 mm), allocate the underside keep-out for a solid ground plane and fan out VSS pins directly to it with short vias. Keep the PWM output traces to gate drivers short and, where possible, route complementary PWM pairs as matched-length differential traces to preserve dead-time symmetry. Isolate the CAN bus termination (120 ohm) at the transceiver, not at the MCU side. Following Microchip's Interleaved PFC reference design layout gives a proven starting topology for power applications.
The 4 analog comparators are the fastest protection path - keep their input traces short and away from PWM/gate-drive return currents, and use Kelvin grounding at current-sense shunts. For QEI encoder signals at industrial cable lengths, add series termination and RC filtering at the header, since the QEI hardware counts every edge and noise glitches become phantom position counts. The 50 MIPS core makes software filtering possible, but hardware filtering is cheaper in CPU budget.
Compliance Information
RoHS compliance noted in distributor listings (DigChip: RoHS Details; DigiKey product listing). Microchip standard lead-free processing assumed per distributor data; REACH and halogen-free status not stated in provided data.
