DSPIC33FJ32GS606-50I/PT - 16-bit DSC 50MIPS 32KB Flash | Microchip
MPN: DSPIC33FJ32GS606-50I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.42 | $6.42 |
| 10 | $5.78 | $57.80 |
| 100 | $5.14 | $514.00 |
| 500 | $4.62 | $2,310.00 |
| 1,000 | $4.15 | $4,150.00 |
DSPIC33FJ32GS606-50I/PT Overview
A digital signal controller combines the computational power of a digital signal processor with the control peripherals and ease of use of a microcontroller. Within the power-management hierarchy, the DSC sits above a standard MCU and below a standalone DSP, making the dsPIC33F family a natural fit for switched-mode power supplies, digital power conversion, and motor control where fast control loops and high-resolution PWM are mandatory.
Key features of the DSPIC33FJ32GS606-50I/PT include a 16-bit dsPIC33F core running at up to 50 MIPS, 32KB (32K x 8) of self-programming Flash, 4KB of SRAM, 58 programmable I/O pins, and five timers/counters. The GS-series analog and control peripherals are its defining strength: multiple high-speed PWM channels for SMPS topologies, a 12-bit ADC for voltage and current sensing, four analog comparators, quadrature encoder interface (QEI) support, and on-chip DAC resources.
Technically, the dsPIC33FJ32GS606 belongs to the SMPS-focused GS family, whose architecture integrates dedicated digital power peripherals alongside the DSP engine with single-cycle MAC and hardware divide. The industrial temperature rating (-40C to +85C, indicated by the I suffix) qualifies the device for harsh factory-floor and power-conversion environments, and the 3.0V to 3.6V supply range matches common 3.3V rails.
Typical applications include interleaved power factor correction (PFC) stages, LLC and other resonant or non-isolated DC-DC converters, digital lighting ballasts, and brushless DC or PMSM motor control, where the high-speed PWM with dead-time control directly drives power MOSFET gate circuitry.
A key design consideration is Flash endurance and ICSP routing: keep PGECx/PGEDx programming trace lengths short per Microchip layout guidance, and budget the 32KB Flash carefully if complex control laws and communication stacks coexist.
This page synthesizes distributor pricing tiers, drop-in same-family alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet, providing engineers and buyers a single decision-ready resource.
Drop-in alternatives for DSPIC33FJ32GS606-50I/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 DSPIC33FJ32GS606-50I/PT (same form factor and footprint) — differing in Operating Temperature, Package, Core, Program Memory (Flash), Programming Interface.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ32GS606T-50I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ32GS606-50E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ32GS606-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ64GS606
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ16GS504-50I/PT
✅ Drop-In✓ In Stock
$3.18 / Unit
View Datasheet →DSPIC33FJ32GS608-50I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.35 / Unit
View Datasheet →DSPIC33FJ32GS606-50I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F |
| Maximum MIPS | 50 MIPS |
| Program Memory (Flash) | 32KB (32K x 8) |
| RAM | 4KB |
| Package | 64-TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Programmable I/O | 58 |
| Timers/Counters | 5 |
| Comparators | 4 |
| Quadrature Encoder Interfaces (QEI) | 2 |
| DAC Channels | 4 |
| Special Peripherals | SMPS PWM, High-Speed ADC |
| Operating Temperature | -40C to +85C (Industrial) |
| Supply Voltage | 3.0 V to 3.6 V |
| Programming Interface | ICSP via PGECx/PGEDx |
| RoHS Status | Compliant |
DSPIC33FJ32GS606-50I/PT 64-tqfp (10x10 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ32GS606-50I/PT (64-tqfp (10x10 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 DSPIC33FJ32GS606-50I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ32GS606-50I/PT is suitable for 6 applications: Interleaved Power Factor Correction (PFC), Digital SMPS / DC-DC Converters, Brushless DC and PMSM Motor Control, Digital Lighting Ballasts and LED Drivers, Solar Micro-Inverters and Renewable Power Conversion, Industrial Battery Chargers.
Interleaved Power Factor Correction (PFC)
The DSPIC33FJ32GS606-50I/PT fits interleaved PFC because its 50 MIPS core executes the fast inner current loop at switching frequency, while the SMPS-dedicated high-speed PWM generates multi-phase gate drives with precise dead-time. Microchip's Interleaved PFC reference design, built on this GS-family DSC, accepts universal AC input and produces a single high-voltage DC output up to 350W, demonstrating production-proven firmware. The four on-chip comparators support cycle-by-cycle overcurrent protection without external circuitry, and the high-speed ADC samples inductor current and bus voltage synchronously with the PWM for accurate average-current-mode control in the 64-TQFP package.
Recommended
Digital SMPS / DC-DC Converters
For LLC, half-bridge, buck, and boost converters, the DSPIC33FJ32GS606-50I/PT combines a 16-bit DSP engine with single-cycle MAC for compensation math and dedicated SMPS PWM peripherals supporting variable-frequency and phase-shifted topologies. The high-speed ADC triggers directly from the PWM module, minimizing sample-to-switch latency that degrades loop stability. Four comparators provide hardware overcurrent shutdown in nanoseconds, faster than any software interrupt path. The 32KB Flash holds multi-mode control firmware (burst mode, light-load efficiency schemes), and the 3.0V to 3.6V supply integrates cleanly into the controller-side 3.3V rail of a digital power supply board.
Recommended
Brushless DC and PMSM Motor Control
The DSPIC33FJ32GS606-50I/PT drives three-phase BLDC and PMSM motors using its high-speed PWM with complementary outputs, dead-time insertion, and fault inputs, while the two QEI modules read rotary encoders directly for closed-loop speed and position control. At 50 MIPS, field-oriented control (FOC) arithmetic executes with sufficient headroom for 20 kHz-plus PWM frequencies. Four DAC channels and four comparators enable analog-style current limiting and speed-reference generation without extra ICs. The 58 I/O pins of the 64-TQFP leave capacity for communication, protection, and user interfaces in industrial servo and drive applications.
Recommended
Digital Lighting Ballasts and LED Drivers
In HID ballasts and high-power LED drivers, the DSPIC33FJ32GS606-50I/PT manages ignition sequences, lamp-current regulation, and dimming with its SMPS PWM module and fast ADC. The 50 MIPS core runs resonant or flyback control loops at high update rates, while the comparators implement instant lamp-fault and open-circuit shutdown. The 4 DAC channels generate dimming references and ramp profiles smoothly. Industrial -40C to +85C operation suits outdoor luminaires and industrial high-bay fixtures, and the 32KB Flash stores multiple lamp/LED profiles selectable at runtime, reducing bill-of-materials variants across a lighting product family.
Recommended
Solar Micro-Inverters and Renewable Power Conversion
Panel-level and string-level renewable converters demand the exact combination the DSPIC33FJ32GS606-50I/PT provides: high-resolution PWM for MPPT stage control, a fast ADC sampling panel voltage/current for maximum-power-point tracking at millisecond rates, and sufficient MIPS for grid-synchronization software phase-locked loops. The 58 I/O support relay control, isolation-status monitoring, and serial communication to a gateway. Its industrial temperature rating covers rooftop thermal extremes, and self-programming Flash allows field firmware updates for evolving grid codes without recalling hardware - critical for a device installed for a 25-year service life.
Recommended
Industrial Battery Chargers
Multi-chemistry industrial chargers use the DSPIC33FJ32GS606-50I/PT to implement CC/CV profiles, temperature-compensated charging, and safety timeouts in firmware, with the SMPS PWM driving the power stage and the high-speed ADC monitoring current, voltage, and pack temperature. Hardware comparators enforce per-cycle overcurrent limits even if software hangs, a key safety layer for lithium chemistry. The 32KB Flash accommodates charging state machines plus logging, the 4KB RAM buffers telemetry, and QEI or timer inputs read cooling-fan tachometers. The 64-TQFP's 58 I/O support multi-bay charger sequencing from one controller, trimming system cost.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ32GS606-50I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ32GS606T-50I/PT | DSPIC33FJ32GS606-50E/PT | DSPIC33FJ16GS504-50I/PT |
|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP - same family package |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Max Performance | 50 MIPS | 50 MIPS | 50 MIPS | 50 MIPS |
| Flash Memory | 32KB | 32KB | 32KB | 16KB |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C (Industrial) | Extended (E) temperature grade | -40C to +85C (Industrial) |
| Packaging | Tray | Tape & Reel | Tray | Tray |
| Lifecycle Status | In Production (Active) | Active | Active | Active |
Key Differentiators
- Purpose-built SMPS peripheral set in a 16-bit DSC (vs DSPIC33FJ32GP204-I/PT)
- Double the Flash of the GS504 at the same 50 MIPS (vs DSPIC33FJ16GS504-50I/PT)
- Extended-temperature drop-in option for harsh environments (vs DSPIC33FJ32GS606-50E/PT)
Design Notes
Microchip's datasheet explicitly recommends keeping the trace length between the ICSP connector and the PGECx/PGEDx pins as short as possible. Place the programming header within a few centimeters of the device, avoid routing PGECx/PGEDx through noisy PWM gate-drive regions, and add small series resistors (100R typical) if traces exceed recommended lengths. In digital power layouts, also keep the ADC sense traces away from PWM output lines to prevent switching-edge coupling into current-sense channels.
The DSPIC33FJ32GS606-50I/PT operates from a 3.0V to 3.6V rail. In power-conversion boards the controller supply is often derived from an auxiliary bias winding; ensure this rail stays within 3.6V worst case, including transients, since a common failure mode in SMPS prototypes is auxiliary-rail overshoot at light load. Decouple each VDD/VSS pair with 100nF ceramics placed at the pins, plus one bulk 10uF near the device, per standard dsPIC33F power design practice.
Budget the 32KB Flash carefully. A basic PFC loop fits easily, but adding UART-based telemetry, EEPROM emulation, and multiple operating modes can approach the limit late in the project. Plan the memory map early, or design the PCB with the pin-compatible DSPIC33FJ64GS606 in mind as a swap path. Also verify the firmware uses the correct speed grade: the 50-suffix parts run 50 MIPS, while the non-50 DSPIC33FJ32GS606-I/PT variant tops out lower - code tuned for 50 MIPS timing will misbehave on the slower variant.
Compliance Information
RoHS compliant per Microchip product page and distributor listings. Part is in Production (active lifecycle) per Microchip official page as of 2026-09-27. Not an automotive AEC-Q100 qualified part.
