DSPIC33FJ32GS606T-I/MR - 16-bit DSC 40MIPS 32KB Flash | Microchip
MPN: DSPIC33FJ32GS606T-I/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5 | $5.00 |
| 10 | $4.55 | $45.50 |
| 100 | $4.1 | $410.00 |
| 500 | $3.7 | $1,850.00 |
| 1,000 | $3.35 | $3,350.00 |
DSPIC33FJ32GS606T-I/MR Overview
A digital signal controller combines the computational throughput of a DSP engine with the peripheral integration and control-oriented architecture of a microcontroller. In the power-management hierarchy, a DSC sits above a basic MCU and is purpose-built for closed-loop, high-frequency control systems such as switch-mode power supplies, where fast interrupt latency, hardware PWM, and high-speed ADC sampling are mandatory.
Key features of the DSPIC33FJ32GS606 include a 16-bit modified Harvard architecture core executing at up to 40 MIPS, DSP instructions (MAC, dual operand fetch), dedicated high-speed PWM peripherals with advanced edge/complementary modes for power conversion, high-speed analog-to-digital converters capable of sampling multiple channels simultaneously, and analog comparators targeted at peak-current-mode control. The 64-pin package exposes ample I/O for multi-phase converters and instrumentation.
Technically, the GS-series integrates its SMPS-specific analog and PWM blocks on the same die as the dsPIC33F core, allowing deterministic single-cycle MAC execution and tight PWM-to-ADC loop latency. The Flash program memory supports In-Circuit Serial Programming (ICSP) and in-circuit debugging through the PGECx/PGEDx pin pairs, which Microchip recommends keeping as short as possible on the PCB.
Typical applications include interleaved power factor correction (Microchip provides a dedicated PFC reference design), digital switch-mode power supplies, DC-DC converters, battery chargers, solar inverters, and lighting ballast controllers where deterministic control loops are essential.
When designing with this device, verify that the ICSP programming traces are kept short and that the exposed thermal pad is well soldered to ground for analog performance and heat dissipation. Supply voltage must remain within the 3.0V-3.6V range specified for the 33F family.
This page synthesizes distributor inventory data, verified parametric specs, same-family drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet. Pricing references are as of 2026-09-27.
Drop-in alternatives for DSPIC33FJ32GS606T-I/MR — 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 DSPIC33FJ32GS606T-I/MR (same form factor and footprint) — differing in Core, Package, Packaging.
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Request AlternativesDSPIC33FJ32GS606T-I/MR Maximum Ratings & Electrical Characteristics
| Core | dsPIC33F, 16-bit DSC |
| Max CPU Speed | 40 MIPS |
| Program Memory (Flash) | 32KB (32K x 8) |
| Supply Voltage | 3.3 V |
| Operating Temperature | -40C to +85C (I grade) |
| Package | 64-VQFN (9x9 mm) Exposed Pad |
| Mounting Type | Surface Mount |
| Product Type | Digital Signal Controller (DSC) |
| Processor Series | DSPIC33F |
| Packaging | Tube |
| Factory Pack Quantity | 40 |
| Programming | ICSP via PGECx/PGEDx pins |
| Specialized Peripherals | High-Speed PWM, high-speed ADC, analog comparators (SMPS/GS series) |
| RoHS Status | Compliant |
| Pin Count | 64 |
DSPIC33FJ32GS606T-I/MR 64-vqfn (9x9 mm) exposed pad Pin Configuration Guide
Pin configuration for DSPIC33FJ32GS606T-I/MR (64-vqfn (9x9 mm) exposed pad 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 DSPIC33FJ32GS606T-I/MR.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ32GS606T-I/MR is suitable for 6 applications: Interleaved Power Factor Correction, Digital Switch-Mode Power Supplies, Battery Chargers and BMS Front Ends, Solar Micro-Inverters and Solar Converters, Digital Lighting Ballasts and LED Drivers, Industrial Motor Control Auxiliaries and Power Modules.
Interleaved Power Factor Correction
The DSPIC33FJ32GS606T-I/MR is directly targeted at interleaved PFC: Microchip publishes a dedicated interleaved power factor correction reference design for this exact controller on its product page. The 40 MIPS dsPIC33F core executes loop compensation within one PWM period, while the integrated high-speed ADC samples input current and bus voltage with tight PWM-synchronized timing. The dedicated high-speed PWM modules generate phase-shifted channels for interleaved boost stages without external phase logic. With 32KB Flash, both the control loop and PFC housekeeping firmware fit comfortably. Place the controller close to the PWM gate drivers and keep the ICSP (PGECx/PGEDx) traces short per Microchip layout guidance to preserve programming signal integrity.
Recommended
Digital Switch-Mode Power Supplies
In digitally controlled SMPS (buck, boost, half-bridge, LLC), the DSPIC33FJ32GS606T-I/MR replaces analog PWM controllers with a programmable platform. Its GS-series peripherals include complementary PWM with programmable dead time, fault inputs for cycle-by-cycle current limiting, and analog comparators enabling peak-current-mode control without external circuitry. The high-speed ADC can trigger off PWM events, aligning sampling exactly at mid-point of the ramp for noise-immune current readings. The 3.3V, 40 MIPS core sustains per-cycle proportional-integral compensation in converters switching up to several hundred kilohertz. The 64-pin VQFN exposes enough I/O for multi-output supervision, telemetry (UART/SMBus), and redundant fault handling in server and telecom power stages.
Recommended
Battery Chargers and BMS Front Ends
Multi-chemistry battery chargers benefit from the DSPIC33FJ32GS606T-I/MR's combination of high-resolution PWM, ADC, and comparators. Constant-current, constant-voltage, and trickle phases are all implemented in firmware, with the ADC continuously monitoring charge current, pack voltage, and temperature through multiple simultaneous channels. Comparators provide an independent hardware fast-fault path that terminates PWM output within microseconds if current exceeds a safe threshold, independent of firmware latency. The 40 MIPS core supports coulomb counting and charge-profile state machines in the 32KB Flash. The industrial -40C to +85C rating suits garage-mounted EVSE accessories and outdoor energy-storage equipment, and the 64-VQFN provides abundant I/O for CAN (via external transceiver) and display interfaces.
Recommended
Solar Micro-Inverters and Solar Converters
Photovoltaic DC-DC optimizers and micro-inverter DC/DC stages require maximum-power-point tracking executed every switching cycle. The DSPIC33FJ32GS606T-I/MR's DSP MAC instructions accelerate MPPT arithmetic, while PWM-synchronized ADC sampling measures PV voltage and current without switching-noise contamination. The high-speed PWM drives interleaved boost or flybridge stages with independent phase control, and the analog comparators implement cycle-by-cycle overcurrent protection mandated by inverter safety architectures. With 32KB Flash the complete MPPT, communication, and safety firmware fits with margin. The exposed-pad 64-VQFN dissipates controller heat into the PCB ground pour, an advantage in sealed outdoor enclosures without forced airflow. Industrial temperature rating covers rooftop ambient extremes.
Recommended
Digital Lighting Ballasts and LED Drivers
High-intensity discharge (HID) ballasts and high-power LED drivers use the DSPIC33FJ32GS606T-I/MR to generate ignition sequences, constant-power regulation, and dimming control digitally. The high-speed PWM modules support the complementary drive and phase management that full-bridge and half-bridge resonant topologies require, while the ADC tracks lamp voltage and current to detect end-of-life or open-circuit conditions. The 40 MIPS core comfortably runs frequency-modulated control for resonant converters, and the comparators deliver hardware overcurrent shutdown. Firmware upgradability through ICSP lets one PCB design serve multiple lamp wattages - a major advantage over fixed analog controllers. The industrial temperature grade suits enclosed luminaires operating at elevated ambient temperatures.
Recommended
Industrial Motor Control Auxiliaries and Power Modules
While the MC-series dsPIC33F is Microchip's dedicated motor-control line, the GS606 serves as the power-conversion controller inside motor-drive systems - handling the drive's auxiliary switched-mode supplies, power-factor-corrected front ends, and brake-chopper supervision. Its high-speed PWM and fast ADC provide precise control of these auxiliary converters, and the 40 MIPS DSP engine supports power-quality metering functions (RMS current/voltage, power factor) as background tasks. The 64-pin package leaves sufficient I/O for status signaling, UART logging, and safety interlocks. Embedding a programmable DSC rather than fixed-function controllers lets industrial equipment makers update supply behavior in the field via ICSP. The -40C to +85C range covers factory-floor ambient conditions.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ32GS606T-I/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GS606T-I/MR | DSPIC33FJ32GS606T-50I/MR | DSPIC33FJ32GS606T-E/MR | DSPIC33FJ64GS606T-50I/MR |
|---|---|---|---|---|---|
| Package | 64-VQFN (9x9 mm) | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 32KB (32K x 8) | 64KB | 32KB | 32KB | 64KB |
| Max CPU Speed | 40 MIPS | 40 MIPS | 50 MIPS | 40 MIPS | 50 MIPS |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Pin-to-Pin Compatible | Baseline (64-VQFN) | Yes | Yes | Yes | Yes |
| SMPS Peripherals (High-Speed PWM/ADC/Comparators) | Yes (GS series) | Yes | Yes | Yes | Yes |
Key Differentiators
- Baseline 32KB Flash minimizes cost (vs DSPIC33FJ64GS606T-I/MR)
- Lower power and simpler clocking vs 50 MIPS variant (vs DSPIC33FJ32GS606T-50I/MR)
- Industrial temperature rating at standard cost (vs DSPIC33FJ32GS606T-E/MR)
Design Notes
Keep the ICSP programming traces (PGECx/PGEDx) as short as possible between the programming connector and the device pins. Microchip's family datasheet explicitly recommends short traces for reliable in-circuit serial programming and debugging. Reserve dedicated programming-header pads even in production boards, and avoid pulling these pins down with low-impedance circuits that could interfere with programming voltage levels.
The DSPIC33FJ32GS606T-I/MR operates from a nominal 3.3V supply. Decouple each VDD pin pair with 0.1uF ceramic capacitors placed within a few millimeters of the pins, and add bulk capacitance near the package. In SMPS applications the controller shares a board with high di/dt switching stages - route the controller's 3.3V rail away from gate-driver loops and use a ground pour stitched to the exposed thermal pad to establish a quiet analog reference.
The 64-VQFN (9x9) exposed pad is the primary thermal and ground path. Estimated: at 40 MIPS the core current draw is modest (tens of milliamps typical for the 33F family), so junction heating from the controller itself is small; the greater thermal concern in digital power designs is conducted heat from nearby power components into shared copper. Solder the exposed pad to a via-stitched ground plane to keep the controller die cool and preserve ADC accuracy.
Compliance Information
RoHS compliant per distributor listings (Digchip) and Microchip standard production. Not AEC-Q100 qualified - commercial/industrial grade DSC.
