DSPIC33FJ128MC510A-E/PF - 128KB Flash 16-bit DSC Motor Control MCU | Microchip
MPN: DSPIC33FJ128MC510A-E/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.45 | $12.45 |
| 10 | $11.2 | $112.00 |
| 100 | $9.55 | $955.00 |
| 500 | $8.4 | $4,200.00 |
| 1,000 | $7.65 | $7,650.00 |
DSPIC33FJ128MC510A-E/PF Overview
A Digital Signal Controller is a hybrid between a microcontroller (MCU) and a digital signal processor (DSP), combining deterministic interrupt-driven control loops with hardware-accelerated multiply-accumulate (MAC) and DSP instructions. In the broader system hierarchy, the dsPIC33F family sits between PIC24 general-purpose MCUs and the dsPIC33EP high-performance family, all part of the 16-bit MCU/DSC segment of Microchip's 8-bit to 32-bit controller portfolio.
Key features of this part include a 40 MIPS core with 16-bit data path and DSP engine, 128 KB of Flash program memory with ECC, a CAN 2.0B module, motor-control PWM (Motor Control PWM) peripherals, a 10-bit A/D converter up to 1.1 Msps, and 4 KB of DPRAM plus auxiliary Flash EEPROM emulation. The 100-pin TQFP exposes up to 85 I/O pins and dedicated motor-control signals such as PWM, fault inputs, and quadrature encoder interface (QEI).
Architecturally, the device pairs a modified Harvard architecture with dual 40-bit accumulators and a single-cycle 16x16 MAC, enabling high-throughput field-oriented control (FOC) and advanced current-sensing algorithms without offloading to external DSP chips. The motor-control PWM module supports complementary PWM outputs with programmable dead time and center-aligned modes, supporting 3-phase inverter switching frequencies commonly used in industrial drives.
Typical applications include brushless DC (BLDC) motor drives, permanent-magnet synchronous motors (PMSM), 3-phase induction motor variable-frequency drives, switched-reluctance motors, and automotive powertrain/body controllers. In each scenario, the combination of CAN connectivity, deterministic PWM, and integrated ADC reduces BOM count and PCB area versus MCU plus external DSP architectures.
Designers should pair this MCU with the MPLAB XC-DSC C/C++ compiler and the dsPIC33F Motor Control Library framework; a 4-layer PCB with a dedicated ground plane is recommended for the analog supply rails used by the ADC. The -E extended-temperature grade spans -40C to +125C, making the part suitable for under-hood automotive and industrial cabinet applications.
This page synthesizes distributor pricing, automotive-grade drop-in alternatives, and practical motor-control design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33FJ128MC510A-E/PF — 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 DSPIC33FJ128MC510A-E/PF (same form factor and footprint) — differing in Operating Temperature, Package, Mounting Type, ADC, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ128MC510A-I/PF
✅ Drop-In✓ In Stock
$8.1 / Unit
View Datasheet →DSPIC33FJ128MC510A-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ128MC510T-I/PF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$8.1 / Unit
View Datasheet →DSPIC33FJ128MC510A-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.45 / Unit
View Datasheet →DSPIC33FJ128GP310A-I/PF
✅ Drop-In✓ In Stock
$5.7 / Unit
View Datasheet →DSPIC33FJ128MC510A-E/PF Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC33F (16-bit DSC, modified Harvard) |
| Program Memory (Flash) | 128 KB (128K x 8) |
| Data RAM (SRAM) | 8 KB (per pcbelectronics listing) |
| Operating Frequency | 40 MIPS (up to 40 MHz external clock, instruction rate 40 MIPS) |
| Supply Voltage (Vdd) | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +125C (Extended, -E grade) |
| Package | 100-pin TQFP (14x14 mm), surface mount |
| I/O Pins | 85 (maximum) |
| ADC | 10-bit, up to 1.1 Msps (per family datasheet convention) |
| Motor Control PWM | Yes (6-channel, complementary outputs, programmable dead time) |
| CAN Module | CAN 2.0B |
| Quadrature Encoder Interface (QEI) | Yes |
| Automotive Qualification | AEC-Q100 |
| RoHS Status | Compliant (per Microchip product family convention) |
| Mounting Type | SMD/SMT |
| Packaging | Tray |
DSPIC33FJ128MC510A-E/PF 100-pin tqfp (14x14 mm), surface mount Pin Configuration Guide
Pin configuration for DSPIC33FJ128MC510A-E/PF (100-pin tqfp (14x14 mm), surface mount 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 DSPIC33FJ128MC510A-E/PF.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ128MC510A-E/PF is suitable for 6 applications: Brushless DC (BLDC) Motor Drives, Permanent Magnet Synchronous Motor (PMSM) FOC Control, Automotive HVAC Blower and Pump Controllers, Industrial 3-Phase Variable-Frequency Drives (VFDs), Switched Reluctance Motor (SRM) Controllers, Single-Phase Induction Motor Soft-Start Controllers.
Brushless DC (BLDC) Motor Drives
The DSPIC33FJ128MC510A-E/PF is purpose-built for BLDC motor drives, where its 6-channel motor-control PWM with programmable dead time drives the 3-phase inverter directly while QEI interfaces to Hall/encoder feedback. Running at 40 MIPS, the dsPIC33F core executes field-oriented control (FOC) and sensorless back-EMF zero-crossing loops in single-digit microseconds per PWM period. The CAN 2.0B module enables integration into CANopen or SAE J1939 automotive networks. Use the Microchip AN1078 ('Sensorless BLDC Motor Control') application note with motor-control PWM dead-time configured for the inverter's IGBT/MOSFET switch characteristics.
Recommended
Permanent Magnet Synchronous Motor (PMSM) FOC Control
For PMSM servo and traction drives, the DSPIC33FJ128MC510A-E/PF integrates a 16-bit DSC with single-cycle MAC instructions that enable sinusoidal FOC, space-vector modulation (SVM), and MTPA (maximum torque per ampere) algorithms without external DSP. The 10-bit ADC up to 1.1 Msps samples phase currents synchronously to the PWM carrier, completing the standard FOC pipeline (Clark/Park transforms + PI control) well within typical 20 kHz switching periods. The AEC-Q100 grade makes the part suitable for automotive traction pumps and seat-adjustment motors under -40C to +125C temperature stress.
Recommended
Automotive HVAC Blower and Pump Controllers
HVAC blowers, coolant pumps, and engine cooling fans in vehicles benefit from the DSPIC33FJ128MC510A-E/PF's AEC-Q100 qualification, 100-pin TQFP with up to 85 I/O, and embedded CAN module that links the motor driver to the vehicle network. The integrated PWM dead-time insertion and complementary outputs drive 3-phase FET bridges directly, removing the need for an external gate-driver IC in low-power (<5 A) applications. With -40C to +125C operating range, the device is rated for under-hood cabin air handling where ambient temperatures routinely exceed 105C.
Recommended
Industrial 3-Phase Variable-Frequency Drives (VFDs)
Industrial VFDs for induction motors use the DSPIC33FJ128MC510A-E/PF to compute V/Hz, sensorless FOC, or direct torque control (DTC) algorithms. The 128 KB Flash accommodates parameterized motor libraries and OEM customization blocks, while the CAN module enables integration into EtherCAT/Profinet master controllers via gateway devices. The extended -E temperature grade and AEC-Q100 qualification allow VFD hardware to satisfy both industrial cabinet (+70C ambient) and harsh industrial (+85C derated) deployment.
Recommended
Switched Reluctance Motor (SRM) Controllers
Switched-reluctance motor control requires precisely timed PWM pulses per phase with rotor-position feedback; the DSPIC33FJ128MC510A-E/PF's motor-control PWM plus QEI interfaces streamline SRM phase commutation. The CAN interface additionally allows SRM drive status and fault codes (overcurrent, rotor lock) to be broadcast to upstream automotive or industrial controllers. DSP hardware acceleration on the dsPIC33F core yields deterministic interrupt latency under load, critical for SRM commutation timing accuracy.
Recommended
Single-Phase Induction Motor Soft-Start Controllers
Single-phase induction motors in compressors, fans, and pumps benefit from reduced inrush current during startup. The DSPIC33FJ128MC510A-E/PF schedules soft-start PWM ramps, monitors for rotor lock via current-sensing ADC inputs, and reports faults over CAN. Programmable dead time in the motor-control PWM module prevents shoot-through in H-bridge power stages. Application note AN1162 from Microchip contains reference firmware for this single-phase soft-start technique.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ128MC510A-E/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ128MC510A-I/PF | DSPIC33FJ128MC510A-I/PT | DSPIC33FJ128MC510T-I/PF | DSPIC33FJ128MC510A-E/PT | DSPIC33FJ128GP310A-I/PF |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-TQFP (14x14 mm) | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same |
| Core / Family | dsPIC33F (16-bit DSC, motor control) | dsPIC33F - same | dsPIC33F - same | dsPIC33F - same | dsPIC33F - same | dsPIC33F (general purpose, no motor PWM) |
| Flash (KB) | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Operating Temperature | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
| AEC-Q100 Qualified | Yes | No | No | No | Yes | No |
| CAN Module | Yes (CAN 2.0B) | Yes | Yes | Yes | Yes | Yes |
| Motor Control PWM | Yes | Yes | Yes | Yes | Yes | No |
Key Differentiators
- Automotive-grade AEC-Q100 with extended -40C to +125C temperature range (vs DSPIC33FJ128MC510A-I/PF)
- Motor-control dedicated PWM with QEI and CAN on a single TQFP-100 die (vs DSPIC33FJ128GP310A-I/PF)
- Same TQFP-100 footprint across the family enables drop-in second-source flexibility (vs DSPIC33FJ128MC510A-I/PT)
Design Notes
Estimated: with a 3.3 V supply sourcing 80 mA average and a 100-TQFP thermal resistance theta_JA of approximately 50 C/W on a 4-layer PCB, full-load MCU power dissipation is roughly 0.264 W yielding about 13C junction temperature rise. Designers should still place at least one 100 nF X7R 16 V ceramic bypass capacitor adjacent to each Vdd/Vss pair, plus a bulk 10 uF tantalum on the analog AVDD pin. The CAN bus should be isolated through a 120 ohm split termination to suppress reflections in 1 Mbps automotive networks.
Place the 40 MHz crystal (or external oscillator) within 5 mm of the OSC1/OSC2 pins and guard-clock traces with a ground pour to minimize EMI. Route the motor-control PWM outputs (PWM1H/L through PWM6H/L) in matched-length groups so 3-phase signals arrive at the gate driver within 1 ns to limit duty-cycle distortion. Keep ADC analog traces (AN0-ANx) separated from switching PWM nets by at least 3x trace width or with a GND guard, since dV/dt coupling on PWM edges can corrupt current-sense samples.
Do not float the SHDN or fault pins on the motor-control PWM module; unused fault inputs must be tied high through a 10 kohm pull-up so that a transient noise event does not trip an unintended shutdown. The CAN TX pin must not be pulled to a non-3.3 V rail; level translation is required when bridging to 5 V CAN transceivers such as the MCP2551. When migrating from dsPIC33FJ general-purpose firmware to the MC510A peripherals, the PPS (Peripheral Pin Select) registers must be reconfigured at startup, or PWM outputs will not appear on the expected package pins.
Compliance Information
AEC-Q100 qualification confirmed by GlobalSpec distributor listing. RoHS compliance inferred from Microchip dsPIC33F family convention; halogen status not explicitly stated in the verified web data - left as 'unknown'.
