DSPIC33EP32MC504-H/TL - 70MIPS 16-bit Motor Control DSC | Microchip
MPN: DSPIC33EP32MC504-H/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.2 | $5.20 |
| 10 | $4.75 | $47.50 |
| 100 | $4.3 | $430.00 |
| 500 | $3.95 | $1,975.00 |
| 1,000 | $3.6 | $3,600.00 |
DSPIC33EP32MC504-H/TL Overview
A digital signal controller combines the compute architecture of a microcontroller with the math acceleration of a DSP. In the power-management hierarchy, a DSC sits above a general-purpose MCU for real-time, computation-intensive tasks such as field-oriented control (FOC) of three-phase motors, where a single control loop must execute a full control algorithm within tens of microseconds. Microchip's dsPIC33E family merges a 16-bit RISC pipeline with DSP multiply-accumulate instructions and dedicated motor-control peripherals on one silicon die.
Key differentiating features of this part include three on-chip operational amplifiers and four analog comparators, which offload signal-conditioning stages that would otherwise require external op-amp ICs in inverter current-sense circuits. A motor-control PWM (MCPWM) module with complementary outputs, dead-time insertion and fault inputs drives three-phase bridges directly, while a quadrature encoder interface (QEI) provides position feedback from rotary encoders. An ECAN (CAN 2.0B) module integrates the controller into automotive and industrial networks at up to 1 Mbit/s.
Technically, the dsPIC33EP core runs at up to 70 MIPS (60 MHz instruction frequency variant cited by distributors) with single-cycle MAC, dual operands and hardware division support, allowing sensorless or sensored FOC to be executed in C or assembly with headroom. Flash is readable during erase/write, and self-programming supports field firmware updates.
Typical applications include BLDC and PMSM motor drives, power inverters and solar micro-inverters, digital power supplies (PFC, LLC), and electric-power-steering or HVAC-blower systems where AEC-Q100 qualification is mandatory.
Design consideration: budget the PLL configuration carefully - the -H suffix denotes an extended temperature variant, and 3.3V rails must be decoupled at every VDD pin for clean ADC sampling.
This page adds distributor cross-reference data, same-family drop-in alternatives, and design guidance not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP32MC504-H/TL — 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/TL (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, Packaging, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP64MC504-H/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128MC504-H/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP32MC504-E/TL
✅ Drop-In✓ In Stock
$4.1 / 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 →DSPIC33EP32GP504T-I/PT
✅ Drop-In✓ In Stock
$2.15 / Unit
View Datasheet →DSPIC33EP256GP504-I/PT
✅ Drop-In✓ In Stock
$3.68 / Unit
View Datasheet →DSPIC33EP32MC504-H/TL Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC RISC with DSP engine |
| Max CPU Speed | 70 MIPS |
| Instruction Clock | 60 MHz |
| Program Memory (Flash) | 32 KB |
| RAM | 4 KB |
| Operating Voltage | 3.3 V |
| On-Chip Op Amps | 3 |
| Analog Comparators | 4 |
| Motor Control PWM | Yes (MCPWM) |
| Quadrature Encoder Interface | Yes (QEI) |
| CAN | Yes (ECAN 2.0B) |
| Package | 44-pin VTLA (TQFP 6x6 mm) |
| Mounting Type | Surface Mount |
| AEC-Q100 | Qualified (automotive grade) |
| Packaging | Tube |
| RoHS Status | Compliant |
DSPIC33EP32MC504-H/TL 44-pin vtla (tqfp 6x6 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP32MC504-H/TL (44-pin vtla (tqfp 6x6 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 DSPIC33EP32MC504-H/TL.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP32MC504-H/TL is suitable for 6 applications: Three-Phase BLDC/PMSM Motor Drives, Automotive Body and Actuator Control, Digital Power Supplies and PFC, Industrial Inverters and Solar Micro-Inverters, Robotics and Servo Drives, HVAC Fans, Pumps, and Compressors.
Three-Phase BLDC/PMSM Motor Drives
The DSPIC33EP32MC504-H/TL is optimized for three-phase brushless DC and permanent-magnet synchronous motor control. Its 70 MIPS core executes field-oriented control algorithms with single-cycle multiply-accumulate operations, while the MCPWM module generates complementary gate signals with programmable dead-time insertion and hardware fault shutdown for the inverter bridge. The three on-chip op amps amplify shunt-resistor current feedback for the ADC, and the QEI module reads rotary encoder position for sensored commutation, all within the 32KB flash and 4KB RAM budget. In a typical FOC loop running at 10-20 kHz PWM, the CPU retains headroom for speed PI loops and protection routines. The AEC-Q100 qualification extends this topology directly into automotive blower, pump, and actuator designs requiring 3.3V logic with ECAN networking to the vehicle bus.
Recommended
Automotive Body and Actuator Control
As an AEC-Q100-qualified 44-pin DSC with ECAN 2.0B, the DSPIC33EP32MC504-H/TL targets networked automotive actuator nodes: HVAC dampers, window lifts, seat adjusters, and pump controllers. The CAN interface connects the node to the vehicle network at up to 1 Mbit/s without an external CAN controller, while the four hardware comparators implement overcurrent protection with microsecond-class response independent of software. The extended -H temperature grade suits under-dash and near-engine bay environments. The 3.3V supply interfaces directly with modern automotive logic rails through level-tolerant I/O, and the 32KB flash supports bootloader-based field reprogramming over CAN. Its 6x6-class VTLA footprint keeps board area small in dense body-control modules where multiple actuator controllers coexist on one PCB.
Recommended
Digital Power Supplies and PFC
Switch-mode power supplies, totem-pole PFC stages, and LLC converters need a controller that can close current loops at high PWM frequency with deterministic latency. The DSPIC33EP32MC504-H/TL meets this with 70 MIPS of DSP throughput, hardware comparators feeding cycle-by-cycle current limiting, and high-resolution motor-control PWM configurable for phase-shifted or interleaved topologies. The three op amps condition inductor and shunt currents for the ADC, removing external amplifiers from the analog front end. Typical designs run voltage and current control loops at 50-200 kHz with the CPU consuming under 50% of its cycle budget. The 32KB flash accommodates compensation routines, protection state machines, and a CAN or UART interface for digital telemetry in server and telecom power shelves.
Recommended
Industrial Inverters and Solar Micro-Inverters
Grid-tied micro-inverters and small industrial inverters demand precise PWM generation, fast analog sensing, and network communication in a compact, cost-sensitive controller. The DSPIC33EP32MC504-H/TL provides complementary MCPWM outputs for the H-bridge, on-chip op amps and comparators for AC current sensing and grid overcurrent protection, and a 70 MIPS DSP core for MPPT algorithms plus grid-synchronization (PLL) code executing concurrently. The ECAN module links multiple inverters in distributed architectures, while the QEI interface supports generator or wind-turbine encoder feedback. With 4KB RAM the part comfortably hosts one-channel MPPT plus control loops, and the 44-pin VTLA footprint suits the dense, conformally coated PCBs typical of micro-inverter housings mounted behind PV panels.
Recommended
Robotics and Servo Drives
Servo drives for robotics require simultaneous execution of position, velocity, and current loops plus encoder processing. The DSPIC33EP32MC504-H/TL closes these cascaded loops using its 70 MIPS core with DSP MAC instructions for the current loop, while the hardware QEI decodes incremental encoder signals without CPU overhead and its index input enables homing. The MCPWM module drives the power stage with dead-time control, and the four comparators implement fast overcurrent shutdown protecting the MOSFET bridge during stall conditions. The ECAN interface lets the servo node join CANopen motion networks common in factory automation. The 32KB flash and 4KB RAM support a complete single-axis servo stack including trajectory interpolation at 1 kHz and current-loop bandwidth in the kilohertz range.
Recommended
HVAC Fans, Pumps, and Compressors
Variable-speed HVAC blowers, circulator pumps, and light compressors are classic sensorless FOC applications for the DSPIC33EP32MC504-H/TL. Sensorless algorithms estimate rotor position from back-EMF, which the on-chip op amps condition before ADC sampling; the hardware comparators provide desaturation and overcurrent trips without software latency, improving reliability in continuously running equipment. The 70 MIPS core runs both the estimation and control loops with margin, and ECAN or UART links support building-management integration. The AEC-Q100 qualification plus extended -H temperature grade covers condenser-unit thermal environments, while the 3.3V supply and 44-pin VTLA package integrate into compact appliance control boards. The 32KB flash holds sensorless FOC, startup ramps, and fault-recovery state machines with room to spare.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP32MC504-H/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP64MC504-H/TL | DSPIC33EP32MC504-E/TL | DSPIC33EP256MC504T-I/TL | DSPIC33EP32GP504T-I/PT | DSPIC33EP256GP504-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-pin VTLA (TQFP) | 44-pin VTLA (TQFP) - same | 44-pin VTLA (TQFP) - same | 44-pin TQFP - same footprint | 44-pin TQFP - same footprint | 44-pin TQFP - same footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash | 32 KB | 64 KB | 32 KB | 256 KB | 32 KB | 256 KB |
| RAM | 4 KB | 8 KB | 4 KB | 16 KB | 4 KB | 16 KB |
| Motor-Control Peripherals (MCPWM/QEI/OpAmps) | Yes / Yes / 3 | Yes / Yes / 3 | Yes / Yes / 3 | Yes / Yes / 3 | No (GP family) | No (GP family) |
| CAN | Yes (ECAN 2.0B) | Yes (ECAN 2.0B) | Yes (ECAN 2.0B) | Yes (ECAN 2.0B) | Yes (ECAN 2.0B) | Yes (ECAN 2.0B) |
Key Differentiators
- Integrated motor-control analog set (3 op amps + 4 comparators) (vs DSPIC33EP32GP504T-I/PT)
- Supply-continuity path with same-footprint memory upgrades (vs DSPIC33EP256MC504T-I/TL)
- AEC-Q100 automotive qualification (vs DSPIC33EP32GP504T-I/PT)
Design Notes
Decouple every VDD pin of the DSPIC33EP32MC504-H/TL with a 100 nF ceramic capacitor placed within 2 mm of the pin, plus one bulk 4.7-10 uF capacitor per supply group. The 70 MIPS core and simultaneous ADC sampling create fast transient currents; inadequate decoupling appears as ADC noise in current-sense channels and can corrupt QEI edge detection. Keep analog supply routing (AVDD) separate on the PCB and filter it with a ferrite bead from the digital rail for the cleanest ADC results in motor-control current loops.
Route the shunt-amplifier inputs to the three on-chip op amps as short, guarded differential traces with kelvin-connected shunt resistors. Place the MOSFET gate-drive stage away from the oscillator and QEI inputs, since dead-time-distorted switching edges couple strongly into high-impedance nodes. The dsPIC33EP supports multiple PGECx/PGEDx pairs for ICSP - connect a programming header to one consistent pair and keep the traces short, as noted in third-party programming tool documentation for this device.
Do not confuse package suffixes when ordering: /TL is the 44-pin VTLA TQFP-style package while /MV is a 44-pin QFN that is NOT footprint-compatible. Verify the temperature grade letter (-H, -I, -E) matches your thermal environment before release. Also configure the PLL carefully for the 70 MIPS target and confirm the oscillator source is stable before enabling PWM outputs; enabling motor-control PWM before clock lock can apply distorted gate signals to the inverter bridge.
Compliance Information
Distributor data (datasheets.com, 09-AUG-2024) lists the part as 'automotive aec-q100'. REACH, halogen-free and conflict-minerals statuses not stated in provided data.
