DSPIC33EP512MC502-H/MM - 16-bit 60 MIPS Motor Control DSC | Microchip
MPN: DSPIC33EP512MC502-H/MM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.2 | $6.20 |
| 10 | $5.58 | $55.80 |
| 100 | $4.96 | $496.00 |
| 500 | $4.47 | $2,235.00 |
| 1,000 | $4.02 | $4,020.00 |
DSPIC33EP512MC502-H/MM Overview
A Digital Signal Controller combines the computational throughput of a digital signal processor with the peripheral integration and deterministic interrupt behavior of a microcontroller. Within the power management IC and embedded control hierarchy, the dsPIC33EP family sits between general-purpose MCUs and full DSPs, making it the standard choice for real-time closed-loop control where both math throughput and rich peripherals are required.
Key features of this device include the high-speed Motor Control PWM (MCPWM) module with complementary outputs and dead-time control, a quadrature encoder interface (QEI) for direct feedback from rotary encoders, two on-chip operational amplifiers, comparators, a 10/12-bit ADC, and a CAN 2.0B controller for networked systems. The core supports DSP instructions including barrel shifting, MAC operations, and modulo addressing, and includes 4 DMA channels and 5 timers.
Architecturally, the dsPIC33EP512MC502 runs from a 3.0V to 3.6V supply with a 16-bit modified Harvard core that executes most instructions in a single cycle, with fixed-point DSP extensions accelerating control-loop mathematics such as PI/PID filters and field-oriented control transforms. The device is qualified to AEC-Q100 and targets automotive-grade temperature operation (-40 C rated H-temperature suffix).
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives, power factor correction converters, digital UPS and inverter control, and automotive electromechanical actuators where QEI feedback and CAN networking are required.
A key design consideration: the 6x6 mm QFN exposed pad must be soldered to a grounded copper pour for both thermal dissipation and signal integrity; the H suffix denotes automotive temperature rating - confirm your operating range matches this grade. ICSP programming requires using PGECx/PGEDx pin pairs together.
This page synthesizes distributor pricing, same-footprint drop-in alternatives, and practical design guidance not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33EP512MC502-H/MM — 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 DSPIC33EP512MC502-H/MM (same form factor and footprint) — differing in Package, Operating Temperature, RoHS Status, Core Architecture, Qualification.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP512MC502-I/MM
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.19 / Unit
View Datasheet →DSPIC33EP256MC502-H/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128MC502-H/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP32MC502-H/MM
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
Contact for price
View Datasheet →DSPIC33EP256MC502-I/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP512MC502-H/MM Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33EP RISC DSC core |
| Program Memory (Flash) | 512 KB (170K x 24) |
| SRAM | 48 KB (49152 Bytes) |
| Maximum CPU Speed | 70 MIPS (70 MHz) |
| Operating Voltage | 3 V to 3.6 V |
| Operating Temperature | -40 C to +125 C (automotive H grade) |
| Package | 28-QFN-S (6x6 mm) with Exposed Pad |
| PWM Module | Motor Control PWM (MCPWM) |
| Quadrature Encoder Interface | Yes (QEI) |
| On-chip Op Amps | Yes |
| Comparators | Yes |
| CAN | CAN 2.0B controller |
| DMA Channels | 4 |
| Timers | 5 |
| Qualification | Automotive, AEC-Q100 |
| Mounting Type | Surface Mount |
| Packaging | Tube |
| RoHS Status | RoHS Compliant |
DSPIC33EP512MC502-H/MM 28-qfn-s (6x6 mm) with exposed pad Pin Configuration Guide
Pin configuration for DSPIC33EP512MC502-H/MM (28-qfn-s (6x6 mm) with exposed pad 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 DSPIC33EP512MC502-H/MM.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP512MC502-H/MM is suitable for 6 applications: BLDC Motor Control, Digital Power Conversion (PFC / Inverter), Automotive Electromechanical Actuators, Industrial Sensing and Condition Monitoring, Embedded Control Nodes with CAN Networking, Consumer Appliance Motor Drives.
BLDC Motor Control
The DSPIC33EP512MC502-H/MM is purpose-built for brushless DC motor drives: its Motor Control PWM module generates complementary PWM pairs with programmable dead-time, while the quadrature encoder interface accepts direct feedback from rotary encoders. The on-chip op amps and comparators allow current-sense amplification and cycle-by-cycle overcurrent protection without external analog ICs, and the 70 MIPS core executes field-oriented control (FOC) and PI/PID loops with headroom. Place the MCPWM outputs into a gate-driver stage driving a three-phase inverter; the 4 DMA channels offload ADC current-sample transfers so the CPU stays dedicated to the control loop, delivering deterministic loop times for quiet, efficient commutation.
Recommended
Digital Power Conversion (PFC / Inverter)
For power factor correction stages, solar micro-inverters, and UPS converters, the DSPIC33EP512MC502-H/MM combines 60 MIPS of fixed-point DSP throughput with high-resolution PWM and fast ADC sampling of voltage and current feedback. The on-chip comparators provide hardware overcurrent trip, protecting the power stage within microseconds independent of software, while the DSP MAC instructions accelerate control-law computation for boost, buck, and half-bridge topologies. The CAN 2.0B controller links the converter into system-level monitoring networks. Because the entire control loop runs on one chip, board area is reduced versus discrete controller plus MCU solutions, and firmware-defined control laws simplify product variants and grid-code updates.
Recommended
Automotive Electromechanical Actuators
The -H suffix marks this device as automotive temperature grade with AEC-Q100 qualification, making it appropriate for actuators such as electronic throttle, HVAC dampers, pumps, and cooling fans. The QEI interface reads position feedback from encoders or resolver-equivalent sensors, the MCPWM drives H-bridge stages for brushed or BLDC actuators, and the CAN 2.0B controller integrates into vehicle body or powertrain networks. The 512 KB Flash accommodates diagnostic stacks (UDS/OBD-style firmware) alongside the control application. The 28-pin 6x6 mm QFN exposed-pad package provides thermal relief into the PCB for sustained actuator current monitoring, and the 3.0-3.6 V supply interfaces directly with standard automotive 3.3 V logic domains.
Recommended
Industrial Sensing and Condition Monitoring
The two on-chip operational amplifiers of the DSPIC33EP512MC502-H/MM condition low-level sensor signals (shunt currents, thermocouple-adjacent signals, strain gauges) before the internal ADC samples them, removing external amplifier ICs from the bill of materials. The 70 MIPS DSP core applies FFT and filtering algorithms for vibration or current-signature condition monitoring of motors and rotating equipment. The CAN 2.0B interface forwards processed features to plant SCADA or monitoring gateways, while the PTG (Programmable Timing Generator) automates measurement scheduling in the background. With 512 KB Flash, signal-processing libraries and communication stacks coexist comfortably in one image, and the 28-QFN 6x6 mm package fits compact sensor-node PCBs.
Recommended
Embedded Control Nodes with CAN Networking
General-purpose industrial control nodes benefit from the DSPIC33EP512MC502-H/MM's combination of 53 I/O-capable multiplexed pins in a compact 28-pin footprint, 5 timers, 4 DMA channels, and the integrated CAN 2.0B controller. Typical roles include pump controllers, conveyor sub-controllers, HVAC unit boards, and battery-monitoring slaves where CAN is the plant network standard. The 512 KB Flash and 48 KB SRAM host protocol stacks plus application logic without external memory, and the 70 MIPS core services communication interrupts deterministically alongside real-time control tasks. ICSP programming through any PGECx/PGEDx pair enables field firmware updates via a simple 5-wire header, lowering lifetime maintenance cost across deployed fleets.
Recommended
Consumer Appliance Motor Drives
Ceiling fans, dishwashers, air-conditioner blowers, and power tools use sensorless or encoder-assisted BLDC motors that the DSPIC33EP512MC502-H/MM drives efficiently and quietly. The MCPWM dead-time control protects the inverter stage, on-chip comparators implement low-cost overcurrent shutdown, and the 70 MIPS core runs sensorless back-EMF or sliding-mode observers without external DSP silicon. The 512 KB Flash lets one firmware image cover multiple product SKUs with feature flags, simplifying manufacturing. The 6x6 mm QFN exposed pad dissipates controller heat into the appliance PCB without a heatsink, and AEC-Q100 qualification exceeds typical appliance reliability requirements, reducing field-return risk in high-vibration motor-attached installations.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512MC502-H/MM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP512MC502-I/MM | DSPIC33EP256MC502-H/MM | DSPIC33EP128MC502-H/MM | DSPIC33EP32MC502-H/MM | DSPIC33EP256MC502-I/MM |
|---|---|---|---|---|---|---|
| Package | 28-QFN-S (6x6 mm) Exposed Pad | 28-QFN-S (6x6 mm) EP - same | 28-QFN-S (6x6 mm) EP - same | 28-QFN-S (6x6 mm) EP - same | 28-QFN-S (6x6 mm) EP - same | 28-QFN-S (6x6 mm) EP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 512 KB (170K x 24) | 512 KB | 256 KB | 128 KB | 32 KB | 256 KB |
| CPU Speed | 70 MIPS (70 MHz) | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating 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 | 3 V to 3.6 V |
| Temperature Grade | Automotive (H) | Industrial (I) | Automotive (H) | Automotive (H) | Automotive (H) | Industrial (I) |
| Motor Control Peripherals (MCPWM/QEI/OpAmps) | Yes | Yes | Yes | Yes | Yes | Yes |
| Relative Cost Tier | High (largest Flash, automotive grade) | High (same Flash, industrial grade - lower) | Medium | Lower | Lowest | Lowest in this set (256 KB, industrial) |
Key Differentiators
- Largest Flash in the same 28-QFN footprint (vs DSPIC33EP256MC502-H/MM)
- Automotive AEC-Q100 grade with full memory (vs DSPIC33EP512MC502-I/MM)
- Integrated analog front end (vs DSPIC33EP32MC502-H/MM)
Design Notes
The 28-QFN 6x6 mm exposed pad is the primary thermal and ground path. Solder it to a grounded copper pour with an array of thermal vias (typical 3x3 or 4x4 via pattern, ~0.3 mm drill) connecting to inner ground planes. An unsoldered or poorly wetted exposed pad is the most common cause of intermittent ground returns and elevated junction temperatures in QFN motor-control boards. Follow IPC-recommended QFN land-pattern dimensions from the Microchip packaging specification for the MM package.
Decouple every VDD pin with a 0.1 uF ceramic capacitor placed within 2 mm of the pin, plus one bulk 4.7-10 uF capacitor near the supply entry. The 70 MHz core and fast MCPWM edge rates make ground bounce visible on ADC readings; route analog ground returns from the current-shunt sense lines to a quiet ground point and use the internal op amps with short, direct feedback traces. Keep PGEC/PGED programming traces short and free of high-dV/dt motor-phase routing to avoid ICSP corruption.
Two pitfalls dominate new designs. First, ICSP programming requires matched PGECx/PGEDx pairs - pairing PGEC1 with PGED2 will fail; per Microchip documentation, use both pins of the same pair (e.g., PGEC2/PGED2). Second, confirm the temperature grade: the -H automotive part is interchangeable with -I industrial electrically, but cost differs; conversely do not substitute -I parts into automotive programs requiring AEC-Q100 traceability. Reserve chosen programming pins as accessible test points at layout time.
Compliance Information
Listed as RoHS compliant and Automotive AEC-Q100 qualified (Hotenda, datasheets.com). REACH, halogen-free and conflict-minerals declarations not present in provided data - consult Microchip environmental documentation.
