DSPIC33FJ32GS610-E/PT - 16-Bit DSC 40MIPS 32KB Flash | Microchip
MPN: DSPIC33FJ32GS610-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.58 | $7.58 |
| 10 | $7.1 | $71.00 |
| 100 | $6.55 | $655.00 |
| 500 | $6.05 | $3,025.00 |
| 1,000 | $5.6 | $5,600.00 |
DSPIC33FJ32GS610-E/PT Overview
A digital signal controller combines the computational core of a 16-bit microcontroller with DSP-grade peripherals and multiply-accumulate hardware, sitting in the hierarchy between a general-purpose MCU and a dedicated DSP. In power-conversion systems, the DSC replaces analog control loops with firmware-based digital control, enabling adaptive algorithms such as nonlinear PID, predictive control, and multi-loop coordination that are impractical with discrete analog controllers.
Key differentiating features include high-speed PWM peripherals purpose-built for switch-mode power conversion, up to four high-speed analog comparators with direct PWM interaction for fast overcurrent response, an on-chip ADC with multiple sample-and-hold circuits, and 35 I/O ports for system interfacing. The device executes one instruction per cycle at up to 40 MIPS, supporting deterministic loop closure in digital power applications.
Architecturally, the dsPIC33F core integrates a 16-bit RISC pipeline with DSP instruction extensions (barrel shifter, modulo and bit-reversed addressing), Flash program memory with self-programming capability, and low-power modes. The peripheral set is optimized for closed-loop digital SMPS control rather than general connectivity, distinguishing the GS series from the GP and MC dsPIC33F families.
Typical applications include AC-to-DC converters, DC-to-DC converters, power factor correction (PFC) stages, uninterruptible power supplies, and solar inverters, where the combination of high-resolution PWM and fast comparators directly addresses digital power-control requirements.
A key design consideration: the 3.0V to 3.6V supply range requires a dedicated 3.3V rail, and adequate decoupling plus a clean analog ground are essential for ADC and comparator accuracy in high-switching-noise power converters.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ32GS610-E/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 DSPIC33FJ32GS610-E/PT (same form factor and footprint) — differing in Package, Operating Temperature, Comparators, Core, Performance.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ32GS610-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ32GS610-50E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ32GS610T-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ32GS610-50I/PT
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33FJ64GS610-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.45 / Unit
View Datasheet →DSPIC33FJ32GS610-E/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33F, 16-bit |
| Max Clock Speed | 40 MHz |
| Performance | 40 MIPS |
| Program Memory | 32KB (32K x 8) Flash |
| Supply Voltage | 3.0 V to 3.6 V |
| I/O Ports | 35 |
| Package | 100-TQFP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C (E grade) |
| Comparators | Up to 4 high-speed comparators |
| High-Speed PWM | Yes (SMPS-optimized) |
| ADC | Yes (with high-speed conversion) |
| ROM Type | Flash |
| Terminal Form | Gull Wing |
| Lead Free | Yes |
| Life Cycle Stage | Active |
DSPIC33FJ32GS610-E/PT 100-tqfp Pin Configuration Guide
Pin configuration for DSPIC33FJ32GS610-E/PT (100-tqfp 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-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ32GS610-E/PT is suitable for 6 applications: AC-to-DC Converters, Power Factor Correction (PFC), DC-to-DC Converters, Uninterruptible Power Supplies (UPS), Solar Inverters and Renewable Energy Conversion, Industrial Lighting and LED Drivers.
AC-to-DC Converters
The DSPIC33FJ32GS610-E/PT directly addresses digital AC-to-DC converter control with its SMPS-optimized peripheral set. High-speed PWM peripherals generate precisely timed switch-drive waveforms while up to four high-speed comparators provide cycle-by-cycle overcurrent protection with direct PWM interaction, critical for surviving input transients in offline converters. The 40 MIPS 16-bit core closes voltage and current loops deterministically at typical converter switching frequencies, and the 35 I/O support housekeeping functions like relays, indicators, and communication. According to Microchip, the GS family was architected specifically for multi-loop digital SMPS topologies, so firmware can implement adaptive control strategies unavailable to fixed analog controllers. Operate from a clean 3.3V rail with filtered AVDD to preserve ADC accuracy amid switching noise.
Recommended
Power Factor Correction (PFC)
Power factor correction is a flagship application for this part: Microchip ships a 350W Interleaved PFC reference design based on the GS-family SMPS DSCs operating from universal AC input. The DSPIC33FJ32GS610-E/PT's high-speed PWM channels independently drive interleaved PFC phase legs, while the fast ADC samples inductor current and bus voltage for average-current-mode control. The high-speed comparators implement per-cycle current limiting that reacts within one switching period - a hard requirement for boost-PFC robustness. The 40 MIPS budget accommodates both the fast inner current loop and the slower outer voltage loop plus power metering. Interleaving reduces input ripple current, and digital control allows phase management at light load for efficiency gains.
Recommended
DC-to-DC Converters
In isolated and non-isolated DC-to-DC converters, the DSPIC33FJ32GS610-E/PT replaces analog PWM controllers with a firmware-defined control loop. High-speed PWM supports phase-shifted full-bridge, half-bridge, buck, and boost topologies with programmable dead-time and complementary outputs; the ADC with multiple sample-and-hold channels captures output voltage and current simultaneously for multi-loop control. The on-chip comparators provide autonomous fast fault shutdown independent of CPU latency. Its extended -40C to +125C rating suits sealed industrial and telecom power environments where ambient temperatures near heat-generating conversion stages are elevated. Digital implementation also enables soft-start profiling, efficiency-optimizing burst mode, and telemetry over UART or SPI without additional components.
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 - exactly the multi-loop challenge the DSPIC33FJ32GS610-E/PT was designed for per Microchip's product page. Its multiple high-speed PWM generators drive inverter bridges and charger circuits from one controller, while the high-speed ADC digitizes battery voltage, bus voltage, and output waveforms for synchronized control. The 35 I/O ports handle transfer relays, fan control, LCD interfaces, and alarm signaling. On-chip comparators guard against overcurrent events in each stage independently. Digital control enables true-sine output synthesis, power-quality metering, and adaptive battery charging algorithms implemented in firmware on a single 100-pin device.
Recommended
Solar Inverters and Renewable Energy Conversion
Solar micro-inverters and small string inverters benefit from the DSPIC33FJ32GS610-E/PT's combination of high-speed PWM, fast analog comparators, and 40 MIPS of 16-bit DSP processing. Maximum power point tracking (MPPT) algorithms run on the core while the hardware PWM and ADC handle the fast power-conversion loops; high-speed comparators enforce per-cycle current limits during irradiance transients. The E-grade -40C to +125C temperature range matches outdoor and rooftop installation environments. Multiple communication peripherals (UART, SPI, I2C) support monitoring and grid-tie supervisory links. Digital control flexibility allows firmware updates to accommodate evolving grid-interconnection requirements without hardware changes, extending product life in a rapidly regulating market segment.
Recommended
Industrial Lighting and LED Drivers
High-power industrial LED drivers use the DSPIC33FJ32GS610-E/PT for precise constant-current control with digital dimming. High-speed PWM channels drive switching stages at fixed frequency while ADC feedback closes the current loop; on-chip comparators deliver autonomous fast overcurrent protection for LED string faults. Digital control enables PWM and analog dimming profiles, temperature-derating curves, and DALI or DMX communication via UART peripherals - features difficult to add to fixed-function analog LED controllers. The 100-pin TQFP provides ample I/O for multi-channel drivers controlling several strings from one controller, and the extended temperature range suits enclosed luminaires. Filtered AVDD supply and careful layout keep ADC readings accurate despite high di/dt switching edges.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ32GS610-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ32GS610-I/PT | DSPIC33FJ32GS610-50E/PT | DSPIC33FJ32GS610T-E/PT | DSPIC33FJ64GS610-E/PT |
|---|---|---|---|---|---|
| Package | 100-TQFP | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Max Clock Speed | 40 MHz (40 MIPS) | 40 MHz | 50 MHz | 40 MHz | 40 MHz |
| Flash Memory | 32KB | 32KB | 32KB | 32KB | 64KB |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +125C (E grade) |
| High-Speed Comparators | Up to 4 | Up to 4 | Up to 4 | Up to 4 | Up to 4 |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Packaging Format | Tray | Tray | Tray | Tape & Reel | Tray |
Key Differentiators
- SMPS-dedicated peripheral architecture (vs DSPIC33FJ32GP204-E/PT)
- Extended 125C temperature rating (vs DSPIC33FJ32GS610-I/PT)
- 100-pin I/O density vs smaller family members (vs DSPIC33FJ32GS608-50I/PT)
- Upgrade path within the same footprint (vs DSPIC33FJ64GS610-E/PT)
Design Notes
Power the DSPIC33FJ32GS610-E/PT from a regulated 3.3V rail within the specified 3.0V to 3.6V window. In digital power converters, the controller shares a board with high di/dt switching stages: place a bulk 10uF ceramic plus 0.1uF at each VDD/VSS pair, and feed AVDD through an RC or ferrite-bead filter from the digital rail to protect ADC and comparator accuracy. Estimated: with typical DSC active current in the tens of mA range, dissipation remains far below TQFP-100 thermal limits, so junction temperature is dominated by ambient conditions in sealed SMPS enclosures.
Route high-speed PWM outputs away from comparator and ADC input traces to prevent false fault triggering from capacitive coupling. Use a solid ground plane with a quiet analog island under the ADC/comparator pins, star-connected to the power ground at one point. Keep crystal/oscillator traces short and guarded. The 100-pin TQFP at 0.5mm pitch benefits from solder-mask-defined pads and a reflow profile per Microchip's surface-mount application notes. Verify the mechanical drawing in the official datasheet for exact body dimensions before finalizing the land pattern.
Temperature-grade suffixes matter: this E-grade part operates to +125C, but the I-grade variant (DSPIC33FJ32GS610-I/PT) is limited to +85C - substituting silently during BOM consolidation can cause field failures in hot SMPS enclosures. Also confirm clock configuration: the 40 MIPS rating assumes the correct PLL configuration from the correct source; running the PLL out of documented input-frequency ranges causes unstable operation. Finally, do not exceed 3.6V on any I/O pin even transiently during inrush, as converter boards often have unregulated startup rails.
Use the high-speed comparators' direct PWM interaction for overcurrent protection instead of relying on software interrupts - the hardware path reacts within one switching cycle while interrupt latency can span several cycles at heavy loop loading. Dead-time insertion should be configured in the PWM module rather than software to guarantee complementary-output immunity against process and temperature variation. Microchip's SMPS reference designs (including the 350W Interleaved PFC unit) provide validated firmware patterns for loop compensation that should be used as the starting point for new designs.
Compliance Information
Distributor data describes the package as LEAD FREE plastic TQFP with gull-wing terminals. Full REACH and halogen-free status not stated in provided data - confirm via Microchip's environmental compliance documentation.
