DSPIC33FJ32GS610T-50I/PF - 16-bit 50MIPS DSC | Microchip | Digital Power
MPN: DSPIC33FJ32GS610T-50I/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.83 | $7.83 |
| 10 | $7.31 | $73.10 |
| 100 | $6.86 | $686.00 |
| 500 | $6.42 | $3,210.00 |
| 1,000 | $5.98 | $5,980.00 |
DSPIC33FJ32GS610T-50I/PF Overview
A digital signal controller combines the computational throughput of a digital signal processor with the peripheral integration and control-oriented architecture of a microcontroller. Within the power management hierarchy, the dsPIC33F GS family sits at the heart of digitally controlled switch-mode power supplies: it replaces analog control loops with firmware-based PID and predictive control algorithms while maintaining the cycle-by-cycle deterministic response that power conversion demands.
Key features of this device include the SMPS-specific peripheral set that distinguishes the GS series from general-purpose dsPIC33F parts: a high-speed PWM module purpose-built for power conversion, dedicated analog comparators, a 10-bit ADC with simultaneous multi-channel sampling, and quadrature encoder interface blocks for motor-driven systems. The 50 MIPS core executes single-cycle MAC and DSP instructions, enabling fast loop closure in PFC and resonant converter topologies.
Technically, the dsPIC33F core is a modified Harvard architecture with a 16-bit data path and 24-bit instruction words, supplied from a 3.0V to 3.6V rail. The device provides 4 DMA channels, 8 timers, and 2 serial communication ports per the parameter listings, allowing control loops to run without CPU intervention on data moves. The I-suffix grade is qualified from -40C to +85C for industrial environments.
Typical applications include AC-to-DC converters, power factor correction stages, DC-to-DC converters, uninterruptible power supplies, and digital lighting or battery-charging power stages, where the SMPS PWM and comparator peripherals directly support voltage-mode, current-mode, and multi-loop control.
Design consideration: budget the 3.3V supply decoupling carefully and verify that the 32KB FLASH is sufficient for control plus communication stacks; if firmware grows, the pin-compatible DSPIC33FJ64GS610 doubles memory without board change.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ32GS610T-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 DSPIC33FJ32GS610T-50I/PF (same form factor and footprint) — differing in Package, Operating Temperature, Packaging, Core, RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64GS610T-50I/PF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.95 / Unit
View Datasheet →DSPIC33FJ64GS610-50I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ32GS610T-E/PF
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ32GS610-50I/PF
✅ Drop-In✓ In Stock
$5.45 / Unit
View Datasheet →DSPIC33FJ256MC510T-I/PF
✅ Drop-In✓ In Stock
$6.65 / Unit
View Datasheet →DSPIC33FJ256GP510T-I/PT
✅ Drop-In✓ In Stock
$6.95 / Unit
View Datasheet →DSPIC33FJ32GS610T-50I/PF Maximum Ratings & Electrical Characteristics
| Core | dsPIC33F 16-bit DSC |
| Max CPU Speed | 50 MIPS |
| Program Memory (FLASH) | 32KB (32K x 8) |
| RAM | 4KB |
| Supply Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (I grade) |
| Package | 100-TQFP (14x14 mm), 0.5 mm pitch |
| Mounting Type | Surface Mount |
| DMA Channels | 4 |
| Timers | 8 |
| Serial I/O Ports | 2 |
| SMPS PWM Module | Yes (dedicated power-conversion PWM) |
| Analog Comparators | 4 |
| Quadrature Encoder Interfaces | 2 |
| DAC | Yes |
| Product Type | Digital Signal Controller (DSC) |
| Packaging | Tape and Reel (T suffix); Factory Pack Quantity 40 (tube listing) |
| RoHS Status | RoHS compliant (per distributor listings) |
DSPIC33FJ32GS610T-50I/PF 100-tqfp (14x14 mm), 0.5 mm pitch Pin Configuration Guide
Pin configuration for DSPIC33FJ32GS610T-50I/PF (100-tqfp (14x14 mm), 0.5 mm pitch 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/PF.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ32GS610T-50I/PF is suitable for 6 applications: AC-DC Power Factor Correction, DC-DC Converters, Uninterruptible Power Supplies (UPS), Solar Inverter and MPPT, Digital Motor Control with Power Stage, Digital LED Lighting and Battery Chargers.
AC-DC Power Factor Correction
The DSPIC33FJ32GS610T-50I/PF fits boost-PFC and bridgeless-PFC front ends because its SMPS PWM module and high-speed analog comparators close current loops within a single switching cycle at 3.3V supply. The 50 MIPS core executes average-current-mode control laws plus line-voltage feed-forward with headroom to spare, and the multi-channel ADC samples inductor current and bus voltage simultaneously for power-quality compliance. Compared with an analog controller plus separate MCU, this DSC consolidates PFC control, housekeeping, and communication into one device, cutting BOM count while allowing firmware-tuned loop compensation across product variants.
Recommended
DC-DC Converters
For isolated and non-isolated DC-DC stages (half-bridge, LLC, buck, boost), the DSPIC33FJ32GS610T-50I/PF provides the cycle-by-cycle comparator-based current limiting and phase-shifted PWM outputs that resonant and hard-switched topologies require. The 4KB RAM and 50 MIPS DSP core sustain PID and predictive control at switching frequencies where analog-only designs previously dominated, while 4 DMA channels move ADC results without CPU stalls. Firmware-configurable dead time, adaptive delays, and fault shutdown make one PCB support multiple output voltage SKUs, and the on-chip DAC provides programmable reference levels for threshold-based protection.
Recommended
Uninterruptible Power Supplies (UPS)
In line-interactive and double-conversion UPS designs, the DSPIC33FJ32GS610T-50I/PF simultaneously manages the PFC stage, inverter bridge, and battery charger using its multi-channel ADC and SMPS PWM peripherals. The industrial -40C to +85C temperature range suits UPS enclosures with constrained airflow, and 4 comparators provide independent hardware fault trips for overcurrent conditions even if firmware stalls. The 32KB FLASH accommodates control plus transfer-logic and front-panel routines; designs adding communication stacks migrate to the pin-compatible 64KB DSPIC33FJ64GS610T without board change.
Recommended
Solar Inverter and MPPT
Grid-tied solar micro-inverters and MPPT converters benefit from the GS610's simultaneous sampling of PV voltage/current and grid-side signals, with the 50 MIPS DSP engine running MPPT search algorithms and grid synchronization in parallel. The dedicated power PWM generates the interleaved phase shifts used to reduce input ripple, and the 4 comparators enforce hardware current limits during transients. According to Microchip, the GS family explicitly targets power-conversion systems including renewable applications, and firmware-updatable MPPT logic lets one hardware platform serve multiple panel and grid standards.
Recommended
Digital Motor Control with Power Stage
The two on-chip quadrature encoder interfaces (QEI) plus SMPS PWM make the DSPIC33FJ32GS610T-50I/PF effective in servo drives and motor-driven power systems such as telecom rectifier blowers. Field-oriented control currents are sampled by the multi-channel ADC while the QEI decodes two encoders without CPU load, and the 4 comparators deliver cycle-by-cycle overcurrent trip of the inverter bridge. At 50 MIPS, FOC loops for PMSM and BLDC motors close with high bandwidth at 3.0V-3.6V supply, and the industrial temperature grade covers factory-floor environments.
Recommended
Digital LED Lighting and Battery Chargers
High-power LED drivers and multi-chemistry battery chargers use the DSPIC33FJ32GS610T-50I/PF to implement constant-current/constant-voltage profiles entirely in firmware. The SMPS PWM's programmable resolution drives buck or flyback stages, the on-chip DAC sets current thresholds without external references, and comparators protect against shorted loads in hardware. Charging algorithms (CC, CV, trickle, termination) adapt per battery pack via firmware, and the 32KB FLASH leaves room for status indication and optional communication. The 100-TQFP pin count provides ample PWM outputs for multi-string LED systems.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ32GS610T-50I/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GS610T-50I/PF | DSPIC33FJ32GS610-50I/PF | DSPIC33FJ32GS610T-E/PF | DSPIC33FJ256MC510T-I/PF | DSPIC33FJ256GP510T-I/PT |
|---|---|---|---|---|---|---|
| Package | 100-TQFP (14x14 mm) | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (FLASH) | 32KB (32K x 8) | 64KB | 32KB | 32KB | 256KB | 256KB |
| CPU Speed | 50 MIPS | 50 MIPS | 50 MIPS | 50 MIPS | 40 MIPS class | 40 MIPS class |
| Temperature Grade | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | Extended (E) grade | -40C to +85C (I) | -40C to +85C (I) |
| SMPS Power PWM / Comparators | Yes (GS SMPS set, 4 comparators) | Yes (same GS set) | Yes (same GS set) | Yes (same GS set) | MC motor PWM set | No (general purpose) |
| Packaging (Distribution) | Tape & Reel (T suffix) | Tape & Reel | Tray/Tube | Tape & Reel | Tape & Reel | Tape & Reel |
Key Differentiators
- Dedicated SMPS analog and PWM peripheral set (vs DSPIC33FJ256GP510T-I/PT)
- 8x less FLASH than MC510 but purpose-fit for power loops (vs DSPIC33FJ256MC510T-I/PF)
- Transparent memory-upgrade path (vs DSPIC33FJ64GS610T-50I/PF)
Design Notes
Supply the DSC from a clean 3.0V-3.6V rail: all VDD/VSS pairs on the 100-TQFP must be decoupled with 0.1uF ceramics placed within 2-3 mm of each pin pair, plus at least one bulk 4.7-10uF capacitor. Because the SMPS PWM edges drive gate-driver loads through the board, ground the digital controller away from the power-stage hot loop; a single-point analog ground referenced at the ADC input divider prevents comparator chatter. Estimated: even 50 mA of controller current across 50 mohm of shared ground return injects 2.5 mV of error into sensing paths.
The 14x14 mm 100-TQFP has 0.5 mm pitch leads - specify an NSMD pad pattern and a solder-mask-defined centroid fiducial for the pin-1 marker. Route PWM outputs first with matched lengths per phase leg, then the analog sense lines as short, guarded traces away from PWM and crystal lines. Keep the exposed quadratic arrangement in mind: pins 1-25 down the left side carry many analog functions per Microchip's pin tables, so place the ADC input conditioning network on that board edge to shorten high-impedance runs.
Three frequent errors: (1) exceeding 32KB FLASH after adding communication stacks - check linker output early and plan the pin-compatible DSPIC33FJ64GS610T as the upgrade; (2) assuming the E-suffix and I-suffix parts are interchangeable in high-ambient enclosures - the I grade tops out at +85C ambient; (3) relying on firmware-only overcurrent protection - use the 4 dedicated comparators for hardware fault trips, since a firmware stall leaves only analog protection active. Always verify the multiplexed pin assignment against the datasheet pin tables, not generic diagrams.
Compliance Information
Distributor listings (DigChip, LCSC) indicate RoHS compliance details for this MPN. AEC-Q100 status not stated in provided data; this GS-family part is marketed for industrial digital power, not automotive.
