DSPIC33EP32MC504-H/PT - 16-bit 60MIPS DSC 32KB Flash TQFP-44 | Microchip
MPN: DSPIC33EP32MC504-H/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.7 | $4.70 |
| 10 | $4.42 | $44.20 |
| 100 | $4.05 | $405.00 |
| 500 | $3.72 | $1,860.00 |
| 1,000 | $3.45 | $3,450.00 |
DSPIC33EP32MC504-H/PT Overview
A digital signal controller combines the computational power of a digital signal processor with the peripheral set and ease of use of a microcontroller. Within the power-management hierarchy, the DSC sits above a general-purpose MCU: its DSP engine (single-cycle MAC, barrel shifter, dual operand fetch) and dedicated motor-control peripherals make it a specialized member of the broader 16-bit microcontroller family targeted at real-time control loops.
Key differentiating specifications include the 60 MIPS dsPIC33E core with DSP instruction extensions, 32KB self-programming Flash with ECC, 4 DMA channels, 5 timers, and an analog front end of 3 op amps and 4 comparators that offloads external signal-conditioning components. The integrated MCPWM module supports complementary and center-aligned PWM outputs with dead-time control, essential for inverter and motor-drive topologies, while the QEI module interfaces directly with rotary encoders.
Architecturally, the device is built on CMOS process technology with a modified Harvard bus, supporting up to 85 general-purpose I/O on larger packages (35 usable on the 44-pin TQFP), multiple interrupt vectors, boundary-scan support, and In-Circuit Serial Programming (ICSP) via any PGECx/PGEDx pair. The -H suffix denotes the high-temperature automotive operating range.
Typical applications include brushless DC and PMSM motor drives, power-factor-correction converters, digital UPS systems, automotive electric pumps and actuators, and industrial motion-control boards where CAN connectivity and encoder feedback are required.
Design consideration: the device operates from a 3V to 3.6V supply; all VDD/VSS pairs must be decoupled with 100nF ceramics placed close to the pins, and MCLR must be pulled up for reliable ICSP debugging.
This page synthesizes distributor pricing, drop-in family alternatives, application guidance and design notes not consolidated in the manufacturer datasheet, as of 2026-09-25.
Drop-in alternatives for DSPIC33EP32MC504-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 DSPIC33EP32MC504-H/PT (same form factor and footprint) — differing in Core Architecture, Package, Operating Temperature, RAM, Supply Voltage.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP32MC504-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP32GP504T-I/PT
✅ Drop-In✓ In Stock
$2.15 / Unit
View Datasheet →DSPIC33EP256MC504T-I/TL
✅ Drop-In✓ In Stock
$3.32 / Unit
View Datasheet →DSPIC33EP256MC504-I/PT
✅ Drop-In✓ In Stock
$4.6 / Unit
View Datasheet →DSPIC33FJ64MC204-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP32MC504-H/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E DSC core with DSP engine |
| Maximum CPU Speed | 60 MIPS (60 MHz) |
| Program Memory (Flash) | 32 KB (10.7K x 24) |
| RAM | 4 KB |
| DMA Channels | 4 |
| Timers | 5 |
| Motor Control PWM | MCPWM (high-speed, complementary outputs) |
| Quadrature Encoder Interface | Yes (QEI) |
| CAN | Yes (CAN 2.0B) |
| On-chip Op Amps | 3 |
| On-chip Comparators | 4 |
| Package | 44-TQFP (10x10 mm), /PT suffix |
| Mounting Type | Surface Mount |
| Supply Voltage | 3 V to 3.6 V |
| Grade / Qualification | Automotive, AEC-Q100 qualified |
| Programming / Debug | ICSP via PGECx/PGEDx pairs, boundary scan support |
DSPIC33EP32MC504-H/PT 44-tqfp (10x10 mm), /pt suffix Pin Configuration Guide
Pin configuration for DSPIC33EP32MC504-H/PT (44-tqfp (10x10 mm), /pt suffix 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 DSPIC33EP32MC504-H/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP32MC504-H/PT is suitable for 6 applications: BLDC / PMSM Motor Drives, Digital Power Supplies and PFC, Automotive Pumps, Actuators and Fans, Industrial Motion Control and Robotics, Solar Inverters and Energy Conversion, Sensors and Embedded Control Nodes with CAN.
BLDC / PMSM Motor Drives
The DSPIC33EP32MC504-H/PT is purpose-built for brushless DC and permanent-magnet synchronous motor control. Its high-speed MCPWM module generates center-aligned, complementary PWM with hardware dead-time insertion for a three-phase inverter bridge, while the QEI module reads position feedback from rotary encoders at full speed without CPU loading. At 60 MIPS with a single-cycle MAC DSP engine, the core executes field-oriented control (FOC) current loops well within PWM-period budgets. The three on-chip op amps amplify shunt current-sense signals and the four comparators implement cycle-by-cycle overcurrent limiting, removing external op-amp and comparator ICs from the BOM. Firmware is developed in MPLAB X with the free Motor Control Library, and the AEC-Q100 grade supports automotive traction-adjacent applications.
Recommended
Digital Power Supplies and PFC
In switched-mode power supplies, power-factor-correction stages and digital UPS systems, the DSPIC33EP32MC504-H/PT closes voltage and current loops in software. The PWM module's high resolution and the ADC-to-PWM trigger latency of the dsPIC33EP architecture enable fast inner current loops, while the 4 DMA channels stream ADC results to RAM without core intervention, keeping loop jitter low. On-chip comparators provide hardware overcurrent trip that shuts PWM outputs in nanoseconds, independent of software. The 32KB Flash accommodates soft-start, bumpless mode transfer and protection state machines; designers needing larger firmware (e.g., full digital PFC plus LLC in one chip) can drop in the pin-compatible 256KB DSPIC33EP256MC504T-I/TL. The 3V to 3.6V supply simplifies interfacing with 3.3V supervisory and communication circuitry.
Recommended
Automotive Pumps, Actuators and Fans
As an AEC-Q100 qualified device, the DSPIC33EP32MC504-H/PT targets automotive auxiliary drives such as electric water pumps, fuel pumps, radiator fans, HVAC blowers and throttle actuators. The -H high-temperature grade suits under-hood mounting where ambient temperatures exceed standard industrial limits, and the CAN 2.0B module connects the node to the vehicle bus for diagnostics and command. The integrated QEI supports position-feedback actuators, while MCPWM with dead-time control drives three-phase or single-phase motor stages. The 3 op amps and 4 comparators implement phase-current sensing and fault protection with minimal external parts, important for cost-sensitive automotive subassemblies. Boundary-scan support aids production test, and ICSP allows reprogramming on the assembly line without removing the device from the board.
Recommended
Industrial Motion Control and Robotics
For servo drives, gantries, conveyors and robotic joints, the DSPIC33EP32MC504-H/PT combines encoder feedback (QEI), field-oriented PWM output, and CAN networking for multi-axis coordination. The 60 MIPS core runs cascaded position/velocity/current loops and trajectory generation, while 4KB of RAM buffers control state and communication frames. Multiple PGECx/PGEDx ICSP pairs allow in-system firmware updates on installed machinery. The on-chip op amps condition differential shunt signals from each motor phase, and the comparators provide fast hardware fault latching to protect power stages during stall or overcurrent events. Designs that later need more program memory for kinematics or protocol stacks can migrate to the same-layout 256KB Flash family members without PCB respin, protecting the mechanical and power hardware investment.
Recommended
Solar Inverters and Energy Conversion
Grid-tied microinverters, solar pump drives and battery converters benefit from the DSPIC33EP32MC504-H/PT's blend of DSP throughput and control peripherals. The 60 MIPS core executes maximum-power-point-tracking algorithms and the inner current-control loops concurrently; the single-cycle MAC accelerates the multiply-accumulate operations in MPPT filters. The MCPWM module generates phase-shifted or complementary PWM for LLC, boost or full-bridge stages with hardware dead time, and the comparators implement cycle-limited current protection. CAN or UART links report telemetry to a system controller. With 32KB Flash the device typically runs one converter topology; the pin-compatible DSPIC33EP256MC504T-I/TL covers multi-mode firmware (e.g., MPPT plus battery-charge profiles) on the identical PCB. The AEC-Q100 grade also qualifies the design for demanding outdoor environments.
Recommended
Sensors and Embedded Control Nodes with CAN
Beyond motion, the DSPIC33EP32MC504-H/PT serves as a smart sensing and actuation node on industrial and vehicle CAN networks. The three on-chip op amps amplify bridge-sensor outputs (pressure, load cells, magnetic sensors), the 12-bit-class analog blocks and comparators provide threshold detection, and the 60 MIPS DSP engine runs digital filtering (IIR/FIR) on sampled data using hardware MAC instructions. The CAN 2.0B module with DMA offloads message handling from the core, while 32KB Flash and 4KB RAM hold filtering, protocol and diagnostics code. The 44-TQFP 10x10 mm footprint offers enough I/O for local actuators or indicators, and ICSP programming via any PGECx/PGEDx pair enables field firmware updates. This makes it a compact single-chip alternative to MCU-plus-op-amp-plus-transceiver multi-chip designs.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP32MC504-H/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP32MC504-I/PT | DSPIC33EP32GP504T-I/PT | DSPIC33EP256MC504T-I/TL | DSPIC33FJ64MC204-I/PT |
|---|---|---|---|---|---|
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP - same family footprint | 44-TQFP - same family footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 40 MIPS |
| Flash Memory | 32 KB | 32 KB | 32 KB | 256 KB | 64 KB |
| Motor-Control Peripherals (MCPWM/QEI/OpAmps) | MCPWM + QEI + 3 op amps + 4 comparators | MCPWM + QEI + 3 op amps + 4 comparators | GP peripheral set (no MC analog emphasis) | MC peripheral set (same family) | MCPWM + QEI, no on-chip op amps |
| Peripheral Focus | Motor control + CAN | Motor control + CAN | General purpose + communications | Motor control + CAN | Motor control + CAN |
Key Differentiators
- Automotive AEC-Q100 high-temperature grade in 44-TQFP (vs DSPIC33EP32MC504-I/PT)
- Integrated analog front end removes external components (vs DSPIC33FJ64MC204-I/PT)
- Motor-control peripherals vs general-purpose sibling on identical footprint (vs DSPIC33EP32GP504T-I/PT)
Design Notes
The device operates from a single 3V to 3.6V supply. Decouple every VDD/VSS pair with 100nF ceramic capacitors placed within 2-3 mm of the pins, plus one bulk 10uF capacitor per board region. When the on-chip op amps drive ADC sampling of shunt currents, keep the analog supply path clean - use a ferrite bead or RC filter from the main 3.3V rail to reduce digital switching noise coupling into the analog front end.
ICSP programming requires a matched PGECx/PGEDx pair: if PGEC2 carries ICSPCLK, ICSPDAT must be on PGED2 - mixing pairs across different indexes will fail programming. Keep MCLR pulled up (10k) with a series resistor to the programmer connector. All VDD and VSS pins must be connected during programming and operation. Avoid assigning the chosen PGED/PGEC pins to analog functions in your design or in-circuit debug will be impossible.
For motor-control layouts, route the MCPWM outputs to gate drivers with short, matched traces and keep the shunt-sense op-amp inputs as Kelvin connections directly at the shunt resistors. The comparators used for cycle-by-cycle overcurrent protection should have short, low-noise paths from the current-sense node; a false trip during PWM edges is a common layout symptom of long sense routing. Reserve footprint space for RC filters on comparator inputs during early layout revisions.
Estimated: at 60 MIPS with typical peripheral loading, core current is on the order of tens of mA; dissipation in the 44-TQFP (10x10 mm, theta_JA roughly 50-60 C/W typical for this body size) stays well below 200 mW in most control applications, so no heatsink is required. Verify against the current-vs-MIPS tables in the manufacturer datasheet for your actual clock configuration, and derate for the -H high-temperature automotive ambient.
Compliance Information
AEC-Q100 automotive qualification confirmed by DigiKey listing ('dsPIC Automotive, AEC-Q100'). RoHS/REACH/lead-free status not stated in provided data - verify on Microchip product page.
