DSPIC33FJ64GS610-50I/PT - 16-bit DSC 50MIPS 64KB Flash | Microchip
MPN: DSPIC33FJ64GS610-50I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.85 | $9.85 |
| 10 | $8.95 | $89.50 |
| 100 | $8.1 | $810.00 |
| 500 | $7.45 | $3,725.00 |
| 1,000 | $6.9 | $6,900.00 |
DSPIC33FJ64GS610-50I/PT Overview
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and control architecture of a microcontroller. Within the power management hierarchy, DSCs such as the dsPIC33FJ64GS610 sit between general-purpose MCUs and dedicated power controllers, providing deterministic execution for closed-loop switch-mode power supply (SMPS) control loops running at hundreds of kilohertz.
Key features include a dedicated SMPS PWM module optimized for power conversion, four high-speed comparators, an on-chip DAC, two quadrature encoder interfaces (QEI), a CAN 2.0B controller, and four DMA channels. The 16-bit modified Harvard architecture includes DSP engine instructions (MAC, barrel shifter) enabling fast execution of proportional-integral control algorithms without external assistance.
The device is designed specifically for digital power applications: the high-resolution PWM module supports complementary outputs, dead-time insertion, and fault protection required by LLC, half-bridge, full-bridge, and boost topologies. IEEE 1149.2-compatible JTAG boundary scan and In-Circuit Serial Programming (ICSP) via PGECx/PGEDx pins simplify production programming and board-level test.
Typical applications include interleaved power factor correction (PFC), digital AC-DC and DC-DC converters, solar inverters, battery chargers, UPS systems, and industrial motor drives where sensor feedback loops demand DSP-class throughput.
For design, keep ICSP trace lengths short per the Microchip datasheet recommendation, and budget the 3.3V supply with adequate decoupling across the 100-pin TQFP.
This page consolidates verified specifications, drop-in alternatives, application guidance, and distributor sourcing data in one place - information not assembled in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33FJ64GS610-50I/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 DSPIC33FJ64GS610-50I/PT (same form factor and footprint) — differing in Packaging, Package, RoHS Status, Supply Voltage, Max CPU Speed.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64GS610-50E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ32GS610-50I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GS610-50I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F DSC (modified Harvard) |
| Max CPU Speed | 50 MIPS (50 MHz) |
| Program Memory | 64KB (64K x 8) Flash |
| RAM | 9KB |
| Supply Voltage | 3.3 V |
| Package | 100-TQFP (12x12 mm) |
| Temperature Range | -40C to +85C (Industrial, I grade) |
| PWM Module | SMPS high-speed PWM (complementary, dead-time, fault protection) |
| Comparators | 4 |
| DAC Channels | 1 (on-chip DAC) |
| QEI Modules | 2 |
| CAN | CAN 2.0B controller |
| DMA Channels | 4 |
| Debug/Scan | IEEE 1149.2 compatible JTAG boundary scan, ICSP |
| Programming | In-Circuit Serial Programming (ICSP) via PGECx/PGEDx |
| DSP Features | Barrel shifter, MAC DSP engine instructions |
| Mounting Type | Surface Mount |
| Packaging | Tube, Factory Pack Quantity: 40 |
| Product Series | dsPIC33FJ64GS610 (SMPS DSC family) |
| RoHS Status | Compliant |
DSPIC33FJ64GS610-50I/PT 100-tqfp (12x12 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ64GS610-50I/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 DSPIC33FJ64GS610-50I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64GS610-50I/PT is suitable for 6 applications: Interleaved Power Factor Correction, Digital AC-DC and DC-DC Converters, Solar Micro-Inverters and String Inverters, Battery Chargers and BMS, Uninterruptible Power Supplies (UPS), Digital Lighting and HID Ballasts.
Interleaved Power Factor Correction
The DSPIC33FJ64GS610-50I/PT is the control heart of Microchip's own 350W interleaved PFC reference design, which converts universal AC input to a regulated high-voltage DC bus. Its SMPS PWM module generates the phase-shifted complementary gate drive signals with programmable dead-time that interleaved boost stages require, while cycle-by-cycle current-limit fault inputs protect against inductor saturation and switch overcurrent. The 50 MIPS 16-bit DSP core executes the inner average-current loop at high bandwidth, and the four on-chip comparators plus DAC provide hardware fast-trip thresholds independent of software latency. Designers can evaluate this application directly using the MA330024 PIM on the Explorer 16 board before committing to a custom PCB layout.
Recommended
Digital AC-DC and DC-DC Converters
In digital AC-DC and isolated DC-DC converters (LLC, half-bridge, full-bridge, synchronous buck), the DSPIC33FJ64GS610-50I/PT replaces analog control ICs with a programmable control loop. The high-speed SMPS PWM supports complementary outputs, dead-time insertion, and multi-mode fault protection, while the 4 comparators and on-chip DAC implement hardware overcurrent and overvoltage trips with microsecond response. The 64KB Flash stores compensator coefficients, soft-start sequencing, and communication stacks, and the CAN 2.0B controller enables PMBus-style supervisory links in telecom rectifiers and server power supplies. The 3.3V industrial-grade device operates from -40C to +85C, covering enclosed power supply environmental requirements without external temperature compensation hardware.
Recommended
Solar Micro-Inverters and String Inverters
Grid-tied solar inverter designs benefit from the DSPIC33FJ64GS610-50I/PT's combination of DSP arithmetic throughput and power-specific peripherals. The 50 MIPS core with MAC instructions runs maximum power point tracking (MPPT) algorithms and grid-current control loops concurrently, while the SMPS PWM drives the boost and inverter stages with precisely controlled dead-time to minimize body-diode conduction losses. Four comparators provide grid-fault and hardware overcurrent protection, and the 12-bit ADC pipeline samples voltage and current feedback synchronously with the PWM period, reducing control-loop jitter. The industrial temperature range and 3.3V I/O suit outdoor power electronics enclosures, and JTAG boundary scan supports production test of densely packed inverter boards.
Recommended
Battery Chargers and BMS
Multi-stage battery charging (CC/CV/trickle) demands deterministic current-loop control plus communication, and the DSPIC33FJ64GS610-50I/PT delivers both on one chip. The SMPS PWM regulates the charging converter stage, the comparators and DAC enforce hardware charge-current limits independent of firmware, and the CAN 2.0B controller interfaces the charger to vehicle or stack management networks. The 9KB RAM holds state machines, coulomb-counting tables, and charge-profile data within the 64KB Flash program image. Two QEI modules additionally support fan or pump tachometer feedback in high-power charging cabinets. Firmware field updates are performed in-application via Flash self-programming, allowing charge profiles to be updated in deployed industrial chargers without hardware recall.
Recommended
Uninterruptible Power Supplies (UPS)
Line-interactive and double-conversion UPS architectures need synchronized control of an AC-DC PFC front end, a DC-DC battery boost stage, and a DC-AC inverter - exactly the multi-stage topology the dsPIC33FJ64GS610 SMPS PWM was designed to sequence. The 50 MIPS core runs three interleaved control loops plus grid-phase tracking, while four comparators provide layered hardware protection for battery overcurrent, inverter overcurrent, and bus overvoltage events. The DAC and 12-bit ADC pairs enable closed-loop output-voltage regulation with low total harmonic distortion. CAN communication supports network-card monitoring in rack UPS systems. The industrial -40C to +85C rating and 3.3V logic integrate cleanly into standard UPS control boards.
Recommended
Digital Lighting and HID Ballasts
High-intensity discharge (HID) and high-power LED ballasts require resonant or phase-controlled conversion with lamp-protection logic, a workload the DSPIC33FJ64GS610-50I/PT handles with its SMPS PWM and analog comparators. The PWM module's complementary outputs with dead-time drive half-bridge resonant stages, while the on-chip DAC sets hardware lamp-current trip thresholds that react faster than any software loop. The 50 MIPS DSP core implements ignition sequencing, power-feedback dimming, and fault-retry state machines, and the 2 QEI modules can read rotary dimmer encoders directly without external counters. Flash self-programming allows field updates of lamp profiles, and the 100-pin TQFP provides enough I/O for multi-lamp channel expansion on a single controller.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GS610-50I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GS610-50E/PT | DSPIC33FJ32GS610-50I/PT |
|---|---|---|---|
| Package | 100-TQFP (12x12 mm) | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 64KB | 64KB | 32KB |
| CPU Performance | 50 MIPS (16-bit) | 50 MIPS (16-bit) | 50 MIPS (16-bit) |
| RAM | 9KB | 9KB | 9KB |
| Temperature Range | -40C to +85C (Industrial) | Extended, up to +125C | -40C to +85C (Industrial) |
| SMPS PWM / Comparators / CAN | Yes / 4 / CAN 2.0B | Yes / 4 / CAN 2.0B | Yes / 4 / CAN 2.0B |
| Lifecycle Status | Active (In Production) | Active | Active |
Key Differentiators
- Dedicated SMPS PWM with hardware dead-time and fault protection (vs DSPIC33FJ32GS610-50I/PT)
- Extended temperature sibling available for harsh environments (vs DSPIC33FJ64GS610-50E/PT)
- Reference-design-backed digital power ecosystem (vs Cross-brand digital-power DSCs)
Design Notes
Keep the trace length between the ICSP connector and the PGECx/PGEDx pins as short as possible, per the Microchip dsPIC33FJ64GS610 family datasheet recommendation. Long ICSP traces pick up switching noise from the SMPS PWM stage being controlled on the same board, corrupting in-circuit debug sessions and production programming. Route PGECx/PGEDx away from PWM gate-drive traces, and include a series resistor near the programming header to damp ringing without slowing edge rates beyond ICSP timing requirements.
The DSPIC33FJ64GS610 runs from a single 3.3V rail with the internal regulator configuration determined by the datasheet's recommended decoupling network. Place 0.1uF ceramic decoupling capacitors at each VDD/VSS pair around the 100-pin TQFP perimeter, plus bulk capacitance near the supply entry. Because this DSC typically sits on the same board as high-di/dt gate drivers and power stages, use a dedicated low-noise 3.3V LDO for the controller separate from gate-driver supplies to prevent PWM jitter caused by supply bounce on the digital core.
Do not confuse the /I (industrial, -40C to +85C) and /E (extended temperature) suffixes when sourcing - the pinouts are identical but derating differs. Also note the GS608/GS606/GS604 family members share peripherals but come in 80/64/44-pin packages: a schematic built for the 100-pin GS610 cannot be migrated without PCB redesign. When planning migration to the dsPIC33C GS family, budget for firmware changes since the C-core toolchain (XC16 dsPIC33C mode) and register maps differ from the 33F generation.
Compliance Information
RoHS compliance per Microchip/distributor listings (DigChip datasheet listing shows RoHS details). REACH, halogen-free, and conflict-minerals declarations not stated in provided data - request Microchip environmental report for full declarations.
