dsPIC33FJ32MC204-H/PT - 16-bit 40 MIPS Motor Control DSC | Microchip
MPN: DSPIC33FJ32MC204-H/PT ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
DSPIC33FJ32MC204-H/PT Overview
A digital signal controller combines the computational architecture of a digital signal processor (DSP) with the peripheral integration and control behavior of a microcontroller. Within the power-management hierarchy, the DSC sits between general-purpose MCUs and dedicated DSPs, offering single-cycle multiply-accumulate (MAC) instructions, DSP engine support, and deterministic real-time control loops for embedded power conversion and motor drive systems.
Key features of the dsPIC33FJ32MC204-H/PT include two PWM generators with independent timebases for complementary or independent drive topologies, up to four high-speed analog comparators with direct PWM fault input connections, an A/D converter for closed-loop feedback, and 35 general-purpose I/O pins. Peripheral Pin Select allows many digital peripherals to be remapped to available pins, dramatically improving board-level layout flexibility in low-pin-count designs.
The device runs its 16-bit CPU core from a 3 V to 3.6 V single supply, with In-Circuit Serial Programming (ICSP) and debugging supported through the PGECx/PGEDx pin pairs. Seamless migration paths exist to and from PIC24F, PIC24H, and dsPIC30F families, protecting software investment and enabling performance scaling without architectural rework.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) control, digital power supplies and switch-mode converters, sensorless field-oriented control (FOC), and uninterruptible power supplies (UPS). The dedicated PWM hardware and comparator fault paths make it especially well suited to safety-critical switching power stages.
A key design consideration: keep ICSP trace lengths short between the programming connector and PGECx/PGEDx pins, and decouple the 3.3 V rail with low-ESR ceramics placed close to each VDD/VSS pair for reliable operation at full 40 MIPS clock rates.
This page synthesizes distributor pricing context, verified drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet, as of 2026-09-27.
Drop-in alternatives for DSPIC33FJ32MC204-H/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 DSPIC33FJ32MC204-H/PT (same form factor and footprint) — differing in Core Architecture, Operating Temperature, Package, Program Memory (Flash), Mounting Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ32MC204-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ32MC204-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$7.66 / Unit
View Datasheet →DSPIC33FJ16MC304-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.98 / Unit
View Datasheet →DSPIC33FJ64MC204-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.75 / Unit
View Datasheet →DSPIC33FJ32GP204-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.78 / Unit
View Datasheet →DSPIC33FJ32MC204-H/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F DSC |
| Maximum CPU Speed | 40 MIPS |
| Clock Frequency | 40 MHz |
| Program Memory Type | Flash |
| Program Memory Size | 32 KB (11K instructions) |
| Supply Voltage Range | 3 V to 3.6 V |
| I/O Ports | 35 |
| PWM Generators | 2 (independent timebases) |
| Analog Comparators | Up to 4 high-speed |
| Peripheral Pin Select (PPS) | Yes |
| Programming Interface | ICSP via PGECx/PGEDx |
| Package Type | 44-TQFP, 10 x 10 mm, 1 mm height |
| Mounting Type | Surface Mount |
| Lead Finish | Lead free |
| Life Cycle Stage | Active |
| Family Migration | PIC24F / PIC24H / dsPIC30F compatible |
DSPIC33FJ32MC204-H/PT 44-tqfp, 10 x 10 mm, 1 mm height Pin Configuration Guide
Pin configuration for DSPIC33FJ32MC204-H/PT (44-tqfp, 10 x 10 mm, 1 mm height 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 DSPIC33FJ32MC204-H/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ32MC204-H/PT is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Supplies and SMPS, Uninterruptible Power Supplies (UPS), Sensorless Field-Oriented Control (FOC), Industrial Automation and Robotics, Consumer Appliance Motor Drives.
BLDC / PMSM Motor Control
The dsPIC33FJ32MC204-H/PT fits brushless DC and permanent-magnet synchronous motor drives because its two high-speed PWM generators with independent timebases produce complementary or independent drive signals for three-phase inverters, while the 40 MIPS 16-bit core executes field-oriented control or sensorless back-EMF algorithms in real time. Up to four high-speed comparators connect directly to PWM fault inputs, enabling cycle-by-cycle overcurrent shutdown without CPU intervention, a key safety feature for power stages. In a typical design, the DSC reads phase currents through the on-chip ADC, runs the control loop, and gates the inverter through gate drivers. Compared with a general-purpose MCU, the dedicated PWM subsystem removes software timing jitter from the switching waveform, reducing torque ripple and acoustic noise at all load points.
Recommended
Digital Power Supplies and SMPS
Digital switch-mode power supplies benefit directly from the dsPIC33FJ32MC204-H/PT architecture: the dual PWM generators with independent timebases support phase-shifted or interleaved topologies, while high-speed comparators implement instantaneous cycle-by-cycle current limiting, essential during startup transients and short-circuit events. The 40 MIPS core sustains peak current mode or voltage mode loops at switching frequencies well into the hundreds of kilohertz range, and the on-chip ADC closes the feedback loop without external sampling hardware. Peripheral Pin Select routes PWM, capture, and communications to optimal pins on the 44-TQFP, simplifying layout around the hot loop. Because the family migrates seamlessly from PIC24 and dsPIC30F designs, existing control firmware can be reused when moving to this low-pin-count controller.
Recommended
Uninterruptible Power Supplies (UPS)
UPS inverters and battery converters need deterministic PWM generation, fast fault protection, and measurement of multiple analog channels simultaneously - exactly the dsPIC33FJ32MC204-H/PT strength set. The two independent-timebase PWM generators can drive the inverter bridge and a separate boost/battery charger stage from one controller, while the four high-speed comparators provide hardware-level overcurrent and overvoltage trip paths tied directly to PWM shutdown, meeting response times software loops cannot. The 3 V to 3.6 V supply, 35 I/O, and ICSP field-update capability suit rack-mounted power electronics with 3.3 V logic domains. Running sensor fusion (bus voltage, battery current, temperature) through the ADC at 40 MIPS leaves ample computation for the sine-wave modulation algorithm.
Recommended
Sensorless Field-Oriented Control (FOC)
Sensorless FOC is computationally demanding - Clarke and Park transforms, PI current loops, and an angle estimator such as a sliding-mode or flux observer must complete within one PWM period. The dsPIC33FJ32MC204-H/PT addresses this with its 16-bit DSP-enhanced core delivering 40 MIPS and single-cycle MAC support, alongside the ADC and high-speed PWM needed for synchronized current sampling at the center of each PWM carrier. The up-to-four comparators provide hardware overcurrent protection while the CPU focuses on the observer mathematics. With 32 KB Flash, both the control law and start-up sequencing fit on-chip without external memory, and Peripheral Pin Select keeps the routing of PWM outputs and ADC-trigger signals flexible across the 44-pin TQFP footprint.
Recommended
Industrial Automation and Robotics
In factory automation and robotic joints, the dsPIC33FJ32MC204-H/PT serves as the embedded motion controller driving servo motors, stepper drivers, or DC actuators. Its PWM generators with independent timebases can control two separate motors from one 44-TQFP device, and the 35 remappable I/O pins interface quadrature encoders, limit switches, and CAN/UART links to a higher-level PLC. The 3 V to 3.6 V operation integrates cleanly with 3.3 V industrial logic, and the industrial-grade -I sibling in the identical package simplifies temperature-qualified builds. Real-time determinism at 40 MIPS ensures loop timing stability under all firmware branches, which differentiates this DSC from interrupt-latency-limited general-purpose MCUs in positioning and torque-control roles.
Recommended
Consumer Appliance Motor Drives
Fans, pumps, compressors, and power tools increasingly use sensorless BLDC drives, and the dsPIC33FJ32MC204-H/PT provides a cost- and pin-efficient controller for these designs. The dual PWM with independent timebases handles the inverter stage, high-speed comparators protect against rotor lock and overload conditions in hardware, and Peripheral Pin Select lets one PCB layout serve multiple appliance variants by remapping peripherals in firmware - reducing SKU proliferation. The 44-pin 10 x 10 mm TQFP is hand- and wave-assembly friendly for mid-volume manufacturing. With 32 KB Flash, the commutation, protection, and communication (UART-based service interface) firmware fits entirely on-chip, and the seamless dsPIC33F family migration path allows cost-down moves to smaller Flash variants without redesign.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ32MC204-H/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ32MC204-I/PT | DSPIC33FJ16MC304-I/PT | DSPIC33FJ64MC204-I/PT | DSPIC33FJ32GP204-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-TQFP (10 x 10 mm, 1 mm height) | 44-TQFP (10 x 10 mm) - same | 44-TQFP (10 x 10 mm) - same | 44-TQFP (10 x 10 mm) - same | 44-TQFP (10 x 10 mm) - same |
| CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Flash Memory | 32 KB | 32 KB | 16 KB | 64 KB | 32 KB |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Peripheral Pin Select (PPS) | Yes | Yes | Yes | Yes | Yes |
| Temperature Grade | -H (high temperature) | -I (-40C to +85C) | -I (-40C to +85C) | -I (-40C to +85C) | -I (-40C to +85C) |
Key Differentiators
- Dedicated motor-control PWM subsystem (vs DSPIC33FJ32GP204-I/PT)
- Programmable memory headroom (vs DSPIC33FJ16MC304-I/PT)
- Cost-down without redesign (vs DSPIC33FJ64MC204-I/PT)
- Temperature-grade flexibility (vs DSPIC33FJ32MC204-I/PT)
Design Notes
Decouple every VDD/VSS pair on the 44-TQFP with a 0.1 uF ceramic placed within 2-3 mm of the pins, connected to a solid ground plane, plus 4.7-10 uF bulk capacitance at the board entry point. At 40 MIPS the core draws transient current on every clock edge, and a single shared decoupling capacitor causes rail bounce that manifests as ADC noise and sporadic resets. Keep the 3 V to 3.6 V supply within datasheet limits at the pin, not just at the regulator output, especially when switching motor loads share the ground return.
Per the Microchip family documentation, keep the trace length between the ICSP connector and the PGECx/PGEDx pins as short as possible. Long ICSP harnesses pick up switching noise from the motor inverter and cause failed programming or debug disconnects. Route PGECx/PGEDx away from PWM output traces, add a standard 5-pin ICSP header on every production board for field firmware updates, and avoid external pull-downs stronger than 10k on these pins since they fight the programmer drivers.
Because Peripheral Pin Select (PPS) lets most digital peripherals move to almost any pin, an unlocked PPS register configuration can silently reroute UART or PWM outputs after a firmware bug. Lock PPS writes after initialization and verify the mapping against the PPS input/output tables in the datasheet. Also remember the -H temperature grade rating differs from the common -I (-40C to +85C) grade - confirm the exact -H range in the datasheet before using the part in hot enclosures, or substitute the pin-identical -I/-E variants.
Use the four high-speed comparators wired directly to PWM fault inputs as primary overcurrent protection rather than relying on ADC sampling plus software: hardware fault response is deterministic during a short circuit, while ADC-plus-software paths add loop latency that can destroy the inverter stage. Set comparator trip points with a filtered shunt or current-sense amplifier, and enable cycle-by-cycle current limiting during startup transients before switching to latching fault mode in normal operation.
Compliance Information
Verified data describes the package as LEAD FREE plastic TQFP. Full RoHS/REACH declarations should be confirmed on the Microchip product page.
