DSPIC33EP32MC504T-E/PT - 16-bit 60 MIPS DSC, 44-TQFP | Microchip
MPN: DSPIC33EP32MC504T-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.2 | $42.00 |
| 100 | $3.75 | $375.00 |
| 500 | $3.38 | $1,690.00 |
| 1,000 | $3.05 | $3,050.00 |
DSPIC33EP32MC504T-E/PT Overview
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy, a DSC sits between a general-purpose MCU and a dedicated DSP: it executes DSP-class multiply-accumulate instructions while offering motor-control PWM, quadrature encoder interface, CAN and analog peripherals on-chip, making it the standard choice for embedded control systems.
Key features include the MCPWM (motor control PWM) module for advanced motor drive topologies, a QEI (quadrature encoder interface) for position feedback, a CAN module for robust in-vehicle and industrial networking, three on-chip op-amps and four comparators that reduce external analog component count, and up to 35 general-purpose I/O. The core runs at up to 60 MIPS (60 MHz) from a 3.0V to 3.6V single supply.
Architecturally, the dsPIC33EP core uses a modified Harvard pipeline with DSP multiply-accumulate, 40-bit wide accumulators, and dual operand fetch, enabling single-cycle MAC operations. Programming in C with Microchip MPLAB X and the XC16 compiler, plus dsPIC DSC Peripheral Libraries, shortens development cycles for field-oriented motor control.
Typical applications include BLDC and PMSM motor control, automotive auxiliary systems, digital power supplies, and industrial drives. The integrated MCPWM with complementary outputs and dead-time insertion maps directly onto three-phase inverter designs, while the QEI closes the speed/position loop without a second chip.
Design consideration: keep the supply within 3.0V-3.6V and place 0.1uF decoupling at each VDD pin; the extended-temperature -E grade requires derating analysis near +125C for flash endurance.
This page adds value beyond the datasheet by synthesizing drop-in family alternatives, application pairings, and sourcing information in one structured reference.
Drop-in alternatives for DSPIC33EP32MC504T-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 DSPIC33EP32MC504T-E/PT (same form factor and footprint) — differing in Core Architecture, Operating Temperature, Package, Packaging, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP32MC504-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP64MC504-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128MC504-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP256MC504-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.6 / Unit
View Datasheet →DSPIC33EP32GP504T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.15 / Unit
View Datasheet →DSPIC33EP32MC504T-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC DSC |
| Maximum CPU Speed | 60 MIPS (60 MHz) |
| Program Memory (Flash) | 32KB (10.7K x 24) |
| RAM | 4KB |
| Operating Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +125C (E grade) |
| Package | 44-TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| I/O Count | 35 |
| Motor Control PWM (MCPWM) | Yes |
| Quadrature Encoder Interface (QEI) | Yes |
| CAN Module | Yes |
| On-chip Op-Amps | 3 |
| Comparators | 4 |
| Qualification | AEC-Q100 qualified |
| Series | dsPIC33EP 32MC504 |
| Packaging | Tape & Reel (T suffix) |
DSPIC33EP32MC504T-E/PT 44-tqfp (10x10 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP32MC504T-E/PT (44-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 DSPIC33EP32MC504T-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP32MC504T-E/PT is suitable for 6 applications: BLDC / PMSM Motor Control, Automotive Auxiliary Control Units, Digital Power Supplies and PFC, Industrial Drives and Motion Control, Sensor Signal Acquisition and Conditioning, Embedded Control and IoT Gateway Nodes.
BLDC / PMSM Motor Control
The DSPIC33EP32MC504T-E/PT is a primary fit for three-phase BLDC and PMSM drives because the MCPWM module generates complementary PWM pairs with hardware dead-time insertion at up to 60 MIPS core bandwidth, and the QEI closes the speed/position loop from an incremental encoder without external counters. Three on-chip op-amps condition shunt-resistor current feedback, while four comparators support cycle-by-cycle overcurrent limiting, reducing board-level analog component count. In a typical field-oriented-control implementation, the DSC runs the FOC loop in the 10-20 kHz range with margins for supervisory code; the 32KB Flash holds the control algorithm plus CAN-based command interface. Microchip reference designs for the dsPIC33E MC family provide proven firmware skeletons, and the AEC-Q100 -E grade extends use into electric-pump and traction-auxiliary automotive drives.
Recommended
Automotive Auxiliary Control Units
Because the DSPIC33EP32MC504T-E/PT is AEC-Q100 qualified and rated -40C to +125C in the -E grade, it suits automotive auxiliary nodes such as pump controllers, cooling-fan modules, actuator control, and valve drives. The on-chip CAN module provides the robust in-vehicle networking interface demanded by these systems, while the MCPWM drives motors or solenoids directly. The 44-TQFP 10x10 mm package offers 35 I/O lines, enough for sensor polling, fault diagnostics, and discrete loads in a single controller. Designers should verify flash endurance and retention derating near +125C per the datasheet for long-life automotive programs. Using the same footprint as the industrial-grade DSPIC33EP32MC504-I/PT lets one PCB layout serve both consumer and automotive BOM variants, simplifying qualification and sourcing flexibility across vehicle programs.
Recommended
Digital Power Supplies and PFC
The 60 MIPS dsPIC33EP core with single-cycle DSP MAC operations executes digital control loops for LLC converters, PFC stages, and DC-DC modules at switching frequencies well into the hundreds of kilohertz with 1-2 samples per cycle resolution control. The MCPWM module provides high-resolution PWM with phase-shift and complementary modes needed by half-bridge, full-bridge, and LLC topologies, and the analog comparators implement hardware fast-overcurrent trip without CPU latency - a critical safety path in power stages. The 32KB Flash accommodates the control law, soft-start sequencing, PMBus/CAN telemetry, and fault logging. Because the part runs from a single 3.3V rail, bias design is simple, and the -E temperature grade supports power supplies specified for extended ambient environments such as outdoor telecom rectifiers.
Recommended
Industrial Drives and Motion Control
In factory automation, the DSPIC33EP32MC504T-E/PT serves as the motion controller for stepper and servo drives, conveyor positioning, and robotics joints. The QEI quadrature encoder interface decodes position feedback in hardware while the CPU handles trajectory generation and the control loop concurrently at 60 MIPS. CAN connectivity links the node to PLCs and higher-level controllers over industrial fieldbus-style networks, and the four comparators plus three op-amps enable compact current-limiting and sensor-front-end circuitry. The 44-TQFP's 35 I/O handle limit switches, brake control, and safety interlocks without an I/O expander. Firmware development is accelerated by Microchip's dsPIC DSC libraries and motor-control examples, and the industrial -I-grade pin-compatible variant offers a lower-cost option where +85C is sufficient.
Recommended
Sensor Signal Acquisition and Conditioning
The three on-chip op-amps and four comparators of the DSPIC33EP32MC504T-E/PT allow it to act as an integrated analog front end: external sensors (pressure, current, position) connect to the op-amp inputs for gain staging, while the comparators provide threshold alarms in hardware. The 16-bit DSP core then applies digital filtering (IIR/FIR using MAC instructions) at 60 MIPS before results are transmitted over CAN or a UART to a host. This integration removes discrete op-amp and comparator ICs from the BOM, shrinking board area and improving channel-to-channel consistency. The 35 general-purpose I/O support additional digital sensors and switches, and the 32KB Flash/4KB RAM budget is ample for calibration tables and communication stacks in distributed industrial monitoring nodes operating across the full -40C to +125C range.
Recommended
Embedded Control and IoT Gateway Nodes
As a general embedded controller, the DSPIC33EP32MC504T-E/PT handles HMI front ends, pump/fan sequencers, and industrial IoT gateway nodes that bridge CAN or UART field devices to higher-level connectivity modules. The 60 MIPS core runs the application and communication stacks concurrently; 32KB Flash holds firmware plus a lightweight bootloader, and 4KB RAM buffers telemetry frames. Self-programmable Flash enables field firmware updates over CAN. The extended -E temperature grade permits sealed outdoor enclosures, while the 44-TQFP's 35 I/O drive relays, indicators, and read push-buttons directly. Where product variants need larger code images - for example adding TLS-based networking - the pin-compatible 64KB/128KB/256KB MC504 family members let the same PCB scale without redesign, protecting the mechanical and tooling investment.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP32MC504T-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP32MC504-I/PT | DSPIC33EP64MC504-I/PT | DSPIC33EP128MC504-I/PT | DSPIC33EP256MC504-I/PT | DSPIC33EP32GP504T-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same |
| CPU Speed | 60 MIPS (60 MHz) | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Flash Program Memory | 32KB (10.7K x 24) | 32KB | 64KB | 128KB | 256KB | 32KB |
| RAM | 4KB | 4KB | 8KB | 16KB | 32KB | 4KB |
| CAN Module | Yes | Yes | Yes | Yes | Yes | Yes |
| Temperature Grade | -40C to +125C (E, automotive AEC-Q100) | -40C to +85C (I, industrial) | -40C to +85C (I, industrial) | -40C to +85C (I, industrial) | -40C to +85C (I, industrial) | -40C to +85C (I, industrial) |
Key Differentiators
- Extended automotive temperature grade with same footprint (vs DSPIC33EP32MC504-I/PT)
- Lowest-cost entry point in the MC504 memory ladder (vs DSPIC33EP64MC504-I/PT)
- Dedicated motor-control peripherals vs general-purpose sibling (vs DSPIC33EP32GP504T-I/PT)
Design Notes
Supply the DSPIC33EP32MC504T-E/PT from a single 3.0V-3.6V rail; it does not tolerate 5V. Place 0.1uF ceramic capacitors at every VDD pin within 2 mm of the pin, plus one bulk 4.7-10uF per rail. Follow the datasheet's VDDCORE/VDD capacitor requirements exactly - the internal regulator caps must not be omitted or the core may not start. Estimated: at 60 MIPS the core draws on the order of tens of milliamps (see datasheet electrical characteristics), so a 3.3V 150 mA LDO is a conservative bias choice.
For motor-control layouts, route the MCPWM outputs to the gate drivers away from the op-amp/comparator analog front-end traces used for shunt current sensing. Keep the current-sense ground return as a Kelvin connection directly to the VSS pin. Use a solid ground plane on layer 2 of a 4-layer board, and place the crystal (if used, rather than the internal FRC/PLL) close to OSC1/OSC2 with short traces. ICSP programming pins (PGD/PGC/MCLR) should be brought to a header even in production boards.
The -E extended temperature grade does not automatically make the part AEC-Q100 certified for every use condition: verify flash endurance and retention derating near +125C in the datasheet before committing long-life automotive firmware. Also note peripheral pin select (PPS) configuration - many digital peripherals must be mapped to pins in firmware at reset; forgetting PPS mapping is the most common first-rev failure. Finally, the 'T' suffix denotes tape-and-reel; confirm reel size with your buyer for pick-and-place setup.
Compliance Information
AEC-Q100 qualification for the -E automotive grade is confirmed by DigiKey and Lisleapex listings. RoHS/lead-free consistent with current Microchip production parts; obtain formal RoHS/REACH certificates from Microchip for regulatory documentation.