DSPIC33FJ256MC710A-H/PT - 16-bit DSC 256KB Flash 20 MIPS | Microchip
MPN: DSPIC33FJ256MC710A-H/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.4 | $12.40 |
| 10 | $11.15 | $111.50 |
| 100 | $9.9 | $990.00 |
| 500 | $8.7 | $4,350.00 |
| 1,000 | $7.6 | $7,600.00 |
DSPIC33FJ256MC710A-H/PT Overview
A Digital Signal Controller combines the peripheral set and programming model of a microcontroller (MCU) with the computational throughput of a Digital Signal Processor (DSP). In the power-management hierarchy, the dsPIC33F family sits between general-purpose MCUs such as the PIC24 and dedicated DSPs, offering single-cycle MAC, hardware division, and DSP engine features alongside familiar MCU peripherals like CAN, I2C, SPI, and UART.
Key features include 20 MIPS core throughput at 3.3V operation, 256KB of self-programmable Flash, and 30KB of on-chip SRAM. Connectivity spans CANbus, I2C, IrDA, LINbus, SPI, and UART/USART, and integrated system peripherals include brown-out detection. The device is qualified to AEC-Q100 for automotive applications, making it suitable for harsh-environment motor control nodes.
The dsPIC33FJ256MC710A is specifically optimized for motor control: the family explicitly supports brushless DC (BLDC) motors, single- and 3-phase induction motors, and switched reluctance motors. The DSP engine accelerates field-oriented control (FOC) loops, while CAN connectivity enables in-vehicle networking. Microchip documents seamless migration paths from dsPIC30F DSCs and PIC24 MCUs in similar packages, protecting software investment.
Typical applications include automotive BLDC and PMSM motor drives, industrial 3-phase inverter control, switched reluctance motor systems, digital power conversion (PFC, LLC), and unified communication-motor-control nodes where CAN, LIN, or UART links must coexist with real-time PWM control.
Design consideration: the H temperature-grade device operates over an extended automotive range in the 100-TQFP; verify your maximum junction temperature against the theta-JA of your PCB copper area, as high ambient motor-drive environments are the primary thermal constraint. Power the 3.3V core and I/O rails from a clean LDO or buck regulator with proper decoupling on all VDD/VDDCORE pins.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, with all specifications verified against live web data as of 2026-09-27.
Drop-in alternatives for DSPIC33FJ256MC710A-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 DSPIC33FJ256MC710A-H/PT (same form factor and footprint) — differing in Operating Temperature, Package, Core Architecture, Series, Connectivity.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ256MC710A-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$7.8 / Unit
View Datasheet →DSPIC33FJ256GP510T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.95 / Unit
View Datasheet →DSPIC33FJ256GP510-I/PF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.98 / Unit
View Datasheet →DSPIC33FJ256MC510T-I/PF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.65 / Unit
View Datasheet →DSPIC33FJ128MC710-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.9 / Unit
View Datasheet →DSPIC33FJ256MC710A-H/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F RISC |
| Core Processor | dsPIC33F (DSC) |
| Performance | 20 MIPS |
| Program Memory Size | 256KB (256K x 8) Flash |
| RAM Size | 30KB SRAM |
| Supply Voltage | 3.3 V |
| Oscillator Frequency | 40 MHz |
| Connectivity | CANbus, I2C, IrDA, LINbus, SPI, UART/USART |
| System Peripherals | Brown-out Detect/Reset, POR, PWM |
| Package | 100-TQFP (12x12 mm) |
| Mounting Type | Surface Mount |
| Qualification | Automotive, AEC-Q100 |
| Series | dsPIC33FJ256MC710A (Automotive, AEC-Q100, dsPIC 33F) |
| Supplier Device Package | 100-TQFP |
| Packaging | Tray |
| Application Focus | Motor Control, CAN |
DSPIC33FJ256MC710A-H/PT 100-tqfp Pin Configuration Guide
Pin configuration for DSPIC33FJ256MC710A-H/PT (100-tqfp 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 DSPIC33FJ256MC710A-H/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ256MC710A-H/PT is suitable for 6 applications: Automotive BLDC Motor Control, Industrial 3-Phase Induction Motor Drives, Switched Reluctance Motor Systems, Digital Power Conversion (PFC and LLC), Unified CAN Networking and Control Nodes, Sensor-Based Embedded Monitoring Systems.
Automotive BLDC Motor Control
The DSPIC33FJ256MC710A-H/PT is purpose-built for brushless DC motor control, combining a 20 MIPS DSP engine with dedicated motor-control PWM peripherals and AEC-Q100 automotive qualification. In a typical BLDC drive, the DSC generates complementary center-aligned PWM with dead-time insertion, samples phase currents through its ADC synchronized to PWM boundaries, and executes sensorless or hall-based commutation algorithms including field-oriented control. The extended H temperature grade supports harsh under-hood and in-chassis ambient conditions. CAN connectivity allows the same chip to service in-vehicle network commands without a separate communication MCU, reducing BOM cost and board area in the motor drive node.
Recommended
Industrial 3-Phase Induction Motor Drives
For single- and 3-phase induction motor drives, the DSPIC33FJ256MC710A-H/PT provides the 20 MIPS throughput needed to run V/f control or sensorless field-oriented control with slip estimation at switching frequencies of 10 to 20 kHz. The motor-control PWM module generates the six-channel inverter gate signals, while the ADC captures DC-bus voltage, phase currents, and a shaft sensor input. The 256KB Flash accommodates parameter tables, communication stacks (Modbus over UART, or CANopen), and diagnostics logging in the 30KB SRAM. Industrial designs benefit from the brown-out detect/reset and power-on-reset peripherals that guarantee deterministic startup of the control loop.
Recommended
Switched Reluctance Motor Systems
Switched reluctance (SR) motors demand asymmetric, phase-sequential excitation with precise rotor-position tracking, a workload the dsPIC33FJ256MC710A family was explicitly designed to support per the Microchip product documentation. The 16-bit DSP core executes position-estimation algorithms from phase inductance signatures, and the motor-control PWM peripherals drive asymmetric half-bridge converters with independent phase control. The 20 MIPS rating keeps control-loop latency low at high shaft speeds, and 256KB of Flash stores commutation maps. The AEC-Q100 qualification of the H/PT variant extends SR motor designs into automotive pumps, fans, and actuators where robustness and low magnet cost are key advantages.
Recommended
Digital Power Conversion (PFC and LLC)
The 20 MIPS DSP engine and cycle-accurate PWM of the DSPIC33FJ256MC710A-H/PT make it effective for digitally controlled switched-mode power supplies such as boost PFC front-ends and LLC resonant converters. The DSC samples input/output voltage and inductor current at PWM-synchronized intervals, computes the compensation law in fixed-point DSP arithmetic, and updates duty cycle every switching cycle at frequencies in the 100 kHz class. CAN or UART connectivity supports telemetry and remote set-point adjustment in server and telecom power shelves. The 100-TQFP provides sufficient I/O for multi-rail supervision, fault latching, and PMBus-style host signaling on a single controller.
Recommended
Unified CAN Networking and Control Nodes
Because the DSPIC33FJ256MC710A-H/PT integrates a CAN controller alongside LIN, I2C, SPI, IrDA, and UART/USART interfaces, it can serve as a unified communication-and-control node in automotive and industrial networks. One 100-pin TQFP device can bridge a CAN backbone to local LIN sub-nodes, drive a motor or actuator via its PWM outputs, and stream diagnostics over UART, eliminating a separate gateway microcontroller. The 256KB Flash hosts stacked protocol firmware and bootloaders for field reprogramming, while the 30KB SRAM buffers multi-bus message queues. AEC-Q100 qualification permits deployment in automotive body, HVAC, and pump-control ECUs.
Recommended
Sensor-Based Embedded Monitoring Systems
With a rich multiplexed analog front end on the 100-pin TQFP and an integrated 12-bit-class ADC, the DSPIC33FJ256MC710A-H/PT fits multi-channel monitoring nodes that sample sensors, condition data with DSP filters, and report over CAN, SPI, or UART. The 20 MIPS core implements IIR/FIR filtering and threshold detection in real time, while 256KB Flash stores calibration tables and event logs. SPI and I2C ports connect external precision converters, EEPROMs, or displays, and the brown-out detector ensures data integrity through supply transients. This suits battery-management supervisors, industrial condition-monitoring probes, and automotive sensor clusters where the DSC must both compute and communicate.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ256MC710A-H/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ256MC710A-I/PT | DSPIC33FJ256GP510T-I/PT | DSPIC33FJ256MC510T-I/PF | DSPIC33FJ128MC710-I/PT |
|---|---|---|---|---|---|
| Package | 100-TQFP (12x12 mm) | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 256KB (256K x 8) | 256KB (256K x 8) | 256KB (256K x 8) | 256KB (256K x 8) | 128KB |
| Performance | 20 MIPS | 20 MIPS | 20 MIPS | 20 MIPS | 20 MIPS |
| Peripheral Focus | Motor Control (MC) + CAN | Motor Control (MC) + CAN | General Purpose (GP) | Motor Control (MC) | Motor Control (MC) + CAN |
| Temperature Grade | H (extended/automotive) | I (-40C to +85C) | I (-40C to +85C) | I (-40C to +85C) | I (-40C to +85C) |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
Key Differentiators
- Dedicated motor-control peripheral set with AEC-Q100 qualification (vs DSPIC33FJ256GP510T-I/PT)
- Extended H temperature grade (vs DSPIC33FJ256MC710A-I/PT)
- Full 256KB Flash at same footprint as 128KB siblings (vs DSPIC33FJ128MC710-I/PT)
Design Notes
Supply the DSPIC33FJ256MC710A-H/PT from a regulated 3.3V rail with local decoupling: place 0.1uF ceramic capacitors at every VDD pin pair plus one bulk 10uF capacitor per supply domain. dsPIC33F devices also require the core regulator capacitor (VCAP/VDDCORE pin) to be fitted per the datasheet's specified value range; an undersized or missing core capacitor is a classic cause of brown-out resets under 20 MIPS load transients. Verify brown-out detector threshold settings match your supply's worst-case droop during inverter switching events.
The 100-TQFP (12x12 mm) leads expose the PWM and ADC pins adjacent to oscillator and communication traces; route inverter gate-drive signals away from the crystal and CAN pair. Use a solid ground plane under the device, and keep the MCLR programming trace short and protected for in-circuit debug (ICSP) access. Provide fiducials and a programming header even in production boards - the 256KB self-programmable Flash supports field firmware updates through a CAN or UART bootloader, which saves rework during motor-control algorithm tuning.
Do not assume all dsPIC33FJ 100-pin parts are software-identical: the MC710A (motor-control) and GP510 (general-purpose) variants share the same TQFP footprint but different peripheral sets, so binaries are not portable without recompilation and pin-multiplexing review. Also confirm the H temperature grade is actually required - if your ambient stays within -40C to +85C, the I-grade variants are typically cheaper and more readily stocked. When migrating from the non-A dsPIC33FJ256MC710, review the A-revision errata before releasing production firmware.
Compliance Information
Distributor listings (DigiKey, Xecor, Hotenda) identify this part as Automotive, AEC-Q100 qualified within the dsPIC 33F series. RoHS/REACH/lead-free status not stated in the provided web data and should be confirmed on the Microchip product page.
