DSPIC33FJ256MC710A-H/PF - 16-bit DSC 256KB Flash 40MIPS | Microchip
MPN: DSPIC33FJ256MC710A-H/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $11.9 | $11.90 |
| 10 | $10.72 | $107.20 |
| 100 | $9.45 | $945.00 |
| 500 | $8.6 | $4,300.00 |
| 1,000 | $7.85 | $7,850.00 |
DSPIC33FJ256MC710A-H/PF Overview
A digital signal controller combines the compute architecture of a microcontroller with DSP-engine features such as a single-cycle MAC, hardware divide, and DSP multiply instructions. Within the power-management hierarchy, a DSC sits between general-purpose MCUs and dedicated DSPs, making the dsPIC33F family a bridge product that Microchip positions for seamless migration to PIC24 MCUs and dsPIC30F DSCs in similar packages.
Key differentiating features include motor-control peripherals (PWM for brushless DC, single/3-phase induction and switched-reluctance motors), a broad connectivity suite covering CANbus, I2C, IrDA, LINbus, SPI, and UART/USART, and the -H temperature grade rated from -40C to +150C per distributor data. The AEC-Q100 qualification targets automotive and harsh industrial deployments.
The 16-bit dsPIC core executes an optimized C compiler-friendly instruction set with DSP extensions. Program flash of 256KB provides headroom for complex field-oriented control (FOC) algorithms, while 30KB SRAM accommodates control loops, communication buffers, and telemetry. Analog integration and motor-control PWM peripherals reduce external component count in drive designs.
Typical applications include BLDC and PMSM motor drives, industrial automation nodes using CAN, automotive body and powertrain auxiliaries, digital power supplies, and UPS/solar inverter control where deterministic 16-bit control loops and DSP math are required.
Design consideration: the -H grade's 150C rating reduces allowable current and timing margins at the extremes; verify per the manufacturer datasheet electrical specifications and confirm whether your board supports the 40 MIPS operating range (DigiKey lists 20 MIPS for this ordering code).
This page synthesizes distributor pricing, drop-in alternatives within the same 100-TQFP footprint, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ256MC710A-H/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 DSPIC33FJ256MC710A-H/PF (same form factor and footprint) — differing in Operating Temperature, Package, Core, Program Memory, Mounting Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ256MC710A-I/PF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$9.1 / Unit
View Datasheet →DSPIC33FJ128MC710-I/PF
✅ Drop-In✓ In Stock
$7.15 / Unit
View Datasheet →DSPIC33FJ256MC510T-I/PF
✅ Drop-In✓ In Stock
$6.65 / Unit
View Datasheet →DSPIC33FJ256GP510-I/PF
✅ Drop-In✓ In Stock
$4.98 / Unit
View Datasheet →DSPIC33FJ256MC710A-H/PF Maximum Ratings & Electrical Characteristics
| Core Processor | dsPIC33F (16-bit) |
| Core Size | 16-bit |
| Speed | 20 MIPS (listed by DigiKey); family rated up to 40 MIPS |
| Program Memory Size | 256KB (256K x 8) FLASH |
| RAM Size | 30KB SRAM |
| Connectivity | CANbus, I2C, IrDA, LINbus, SPI, UART/USART |
| Package | 100-TQFP (14x14x1 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +150C |
| Qualification | AEC-Q100 (Automotive) |
| Series | dsPIC 33F, Automotive |
| Packaging | Tray |
DSPIC33FJ256MC710A-H/PF 100-tqfp (14x14x1 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ256MC710A-H/PF (100-tqfp (14x14x1 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 DSPIC33FJ256MC710A-H/PF.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ256MC710A-H/PF is suitable for 6 applications: Brushless DC (BLDC) Motor Control, 3-Phase Induction Motor Drives, Automotive Body and Auxiliary Control, Digital Power Supplies and Inverters, Industrial Automation and CAN Networking Nodes, Switched Reluctance Motor Systems.
Brushless DC (BLDC) Motor Control
The DSPIC33FJ256MC710A-H/PF is purpose-built for BLDC motor control, with dedicated motor-control PWM peripherals and DSP engine supporting field-oriented control (FOC) and sensorless algorithms at 20-40 MIPS. The 16-bit core with single-cycle MAC executes Clarke/Park transforms in real time while 256KB FLASH holds complex state machines and communication stacks. The AEC-Q100 qualification and -40C to +150C range allow placement in automotive pumps, fans, and actuators where PCB space near the motor runs hot. The CAN interface enables integration into vehicle or industrial drive networks, reducing external gateway components.
Recommended
3-Phase Induction Motor Drives
For single and 3-phase induction motor applications, the DSPIC33FJ256MC710A-H/PF provides the PWM resolution and DSP throughput needed for V/f control and sensorless vector control. According to Microchip's product documentation, the dsPIC33F MC family explicitly targets these topologies. The 30KB SRAM accommodates current-sampling buffers and slip-compensation algorithms, while hardware divide accelerates flux-estimation math. The -H temperature grade suits industrial drive environments reaching +150C junction regions, and the 100-TQFP offers enough GPIO for gate-driver interfaces, fault feedback, and operator I/O in compact drive units.
Recommended
Automotive Body and Auxiliary Control
The AEC-Q100 qualification of the DSPIC33FJ256MC710A-H/PF makes it suitable for automotive body electronics,auxiliary actuators, and thermal-management systems. The -40C to +150C range covers under-hood and near-powertrain mounting locations, while the integrated CAN module supports classic in-vehicle networking and LINbus covers low-cost sensor/actuator links. The 256KB FLASH retains firmware for feature-rich modules such as seat control, blower motor drivers, and lighting controllers. The 100-TQFP 14x14 mm package balances pin count for diagnostics and multiple sensor inputs against a solderable, inspectable leaded package preferred in automotive manufacturing.
Recommended
Digital Power Supplies and Inverters
Switched-reluctance motor drives and solar/UPS inverter control benefit from the DSPIC33FJ256MC710A-H/PF's fast interrupt latency and deterministic 16-bit control loop execution. The DSP engine performs the multiplications in current-loop compensation at rates above 50 kHz without software floating point. The 40 MIPS-class throughput leaves headroom for power-factor correction stages running in parallel with inverter control. The -H grade's thermal rating accommodates power-converter ambient conditions, and CAN/SPI interfaces support supervisory controller communication and gate-driver interfacing in modular inverter architectures.
Recommended
Industrial Automation and CAN Networking Nodes
In factory automation nodes, the DSPIC33FJ256MC710A-H/PF combines CAN, I2C, SPI, UART/USART, LINbus, and IrDA connectivity in one controller, allowing sensor aggregation and actuator control without external communication ICs. The 256KB FLASH supports RTOS-based firmware with Modbus or CANopen-style stacks, and 30KB SRAM buffers multi-drop traffic. The -40C to +150C industrial rating and AEC-Q100 pedigree give margin against harsh panel and outdoor environments. Migration to PIC24 MCUs and dsPIC30F DSCs in similar packages, noted by Microchip, protects long-term software investment across product generations.
Recommended
Switched Reluctance Motor Systems
Microchip lists switched reluctance (SR) motor control as a supported application of the dsPIC33FJ256MC710A family. SR drives demand precise current chopping and rotor-position-tolerant commutation, which the high-resolution motor-control PWM and fast ADC sampling of this DSC handle at 20-40 MIPS. The DSP MAC accelerates torque-ripple-minimization tables stored in the 256KB FLASH. The -H temperature grade supports the elevated ambient typical of SR drive enclosures in appliances and industrial machinery, while UART and CAN links provide remote diagnostics and speed reference input in networked installations.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ256MC710A-H/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ256MC710A-I/PF | DSPIC33FJ128MC710-I/PF | DSPIC33FJ256MC510T-I/PF | DSPIC33FJ256GP510-I/PF |
|---|---|---|---|---|---|
| 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 |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program FLASH | 256KB | 256KB | 128KB | 256KB | 256KB |
| RAM | 30KB | 30KB | 30KB | 30KB | 30KB |
| Operating Temperature | -40C to +150C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Peripheral Focus | Motor Control (MC) + CAN | Motor Control (MC) + CAN | Motor Control (MC) + CAN | Motor Control (MC) | General Purpose (GP) analog set |
Key Differentiators
- Extended -H temperature grade to +150C (vs DSPIC33FJ256MC710A-I/PF)
- Double the program memory of the 128KB sibling (vs DSPIC33FJ128MC710-I/PF)
- AEC-Q100 automotive qualification (vs DSPIC33FJ256GP510-I/PF)
Design Notes
The 100-TQFP 14x14 mm package has 0.5 mm lead pitch; design land patterns per the manufacturer datasheet mechanical drawing and use no-clean flux-compatible footprints for automotive AEC-Q100 assembly. Provide at least four VDD/VSS decoupling pairs (100 nF ceramics) placed at the corners of the package. The 14x14 mm body leaves a center area suitable for via fan-out to inner power planes; avoid routing high-dv/dt motor PWM traces directly under the package to minimize ground-bounce coupling into analog inputs.
The -H grade is rated to +150C ambient/junction conditions per distributor listings, but total power dissipation limits still apply. Estimated: with 30-40 mA typical operating current at 3.3 V, internal dissipation is roughly 0.13 W, which is modest; the thermal budget is dominated by environment, not the device. For under-hood installs near heat sources, verify junction temperature using the TQFP theta-JA from the datasheet and derate clock speed or PWM duty if margins are tight. Confirm exact theta-JA from the manufacturer datasheet.
Watch the speed-rating discrepancy: DigiKey lists 20 MIPS for this -H ordering code while aggregator sources list the family at up to 40 MIPS - verify the achievable operating frequency against the datasheet clock-configuration tables for your supply voltage and temperature before committing to a 40 MIPS design. Also, the A-version suffix indicates errata fixes over the original dsPIC33FJ256MC710; always start new designs on the A version and review Microchip's errata and silicon-issues documents for the mask set on your ordered parts.
Compliance Information
AEC-Q100 qualification confirmed by Microchip USA and GlobalSpec listings ('Automotive, AEC-Q100, dsPIC 33F series'). RoHS/REACH status not stated in provided data - verify on the Microchip product page.
