DSPIC33FJ256MC710A-E/PF - 16-bit DSC 40MIPS 256KB Flash | Microchip
MPN: DSPIC33FJ256MC710A-E/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.78 | $9.78 |
| 10 | $9.2 | $92.00 |
| 100 | $8.55 | $855.00 |
| 500 | $7.95 | $3,975.00 |
| 1,000 | $7.4 | $7,400.00 |
DSPIC33FJ256MC710A-E/PF Overview
A digital signal controller combines the compute throughput of a DSP with the peripheral integration and deterministic control of a microcontroller. Within the power-management hierarchy, the dsPIC33F family sits above basic MCUs and below standalone DSPs, offering single-cycle MAC, DSP multiply, and hardware divide alongside flash-based code storage. DSCs of this class are the workhorse architecture for digitally controlled power conversion and motion systems.
Key differentiators of this part include the A-silicon revision of the MC710 family, dedicated motor-control PWM modules with complementary outputs, dead-time insertion and fault inputs, a high-speed 10-bit ADC, ECAN interfaces for industrial networking, and quadrature encoder interfaces for closed-loop motion feedback. The 256 KB flash supports complex field-oriented control (FOC) algorithms with headroom for communication stacks and bootloaders.
Architecturally, the dsPIC33F core executes an optimized C compiler-friendly instruction set with two 40-bit accumulators, hardware modulo addressing, and bit-reversed addressing for FFTs. The MC variant tailors peripherals toward digital power: multiple PWM generators, analog comparators, and a fast ADC that can be triggered by the PWM for precise current sampling.
Typical applications include brushless DC (BLDC), permanent-magnet synchronous (PMSM), single/three-phase induction, and switched reluctance motor drives, plus digital power supplies, solar inverters, and uninterruptible power supplies (UPS). On-chip CAN makes it a natural fit for automotive-adjacent and industrial networked drives.
Design consideration: the 3.3 V core requires a clean supply with proper decoupling on all VDD/VDDCORE pins, and the 100-pin TQFP thermal pad area must be handled with adequate PCB copper for sustained 40 MIPS operation at +125C ambient.
This page synthesizes distributor pricing, drop-in same-package family alternatives, and practical design notes not found in the manufacturer datasheet, verified against Mouser, DigiKey, LCSC and Microchip sources as of 2026-09-27.
Drop-in alternatives for DSPIC33FJ256MC710A-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 DSPIC33FJ256MC710A-E/PF (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, ADC, PWM Channels.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ256MC710A-I/PF
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ256MC510T-I/PF
✅ Drop-In✓ In Stock
$6.65 / Unit
View Datasheet →DSPIC33FJ256GP510T-I/PT
✅ Drop-In✓ In Stock
$6.95 / Unit
View Datasheet →DSPIC33FJ128MC710-I/PF
✅ Drop-In✓ In Stock
$7.15 / Unit
View Datasheet →DSPIC33FJ128MC710T-I/PF
✅ Drop-In✓ In Stock
$6.8 / Unit
View Datasheet →DSPIC33FJ128MC510A-E/PT
✅ Drop-In✓ In Stock
$5.45 / Unit
View Datasheet →DSPIC33FJ256MC710A-E/PF Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F RISC with DSP engine |
| Maximum CPU Speed | 40 MIPS |
| Program Memory (Flash) | 256 KB (256K x 8) |
| SRAM | 30 KB |
| Supply Voltage | 3.3 V |
| Package | 100-TQFP (14 x 14 mm) |
| Operating Temperature Range | -40C to +125C (E grade) |
| Motor Control PWM | Yes (dedicated MC PWM modules, complementary outputs) |
| CAN Interface | ECAN (Optimized for motor control, CAN) |
| ADC Resolution | 10-bit high-speed |
| Quadrature Encoder Interface | Yes |
| Mounting Type | Surface Mount |
| Silicon Revision | A revision (dsPIC33FJ256MC710A) |
| Migration Path | Seamless migration to PIC24 MCUs and dsPIC30F DSCs in similar packages |
DSPIC33FJ256MC710A-E/PF 100-tqfp (14 x 14 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ256MC710A-E/PF (100-tqfp (14 x 14 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-E/PF.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ256MC710A-E/PF is suitable for 6 applications: Brushless DC (BLDC) Motor Drives, Digital Power Supplies and Inverters, Industrial Automation and CAN Networking, PMSM and Induction Motor Field-Oriented Control, Automotive and Electric Vehicle Auxiliary Systems, Appliance and HVAC Variable-Speed Drives.
Brushless DC (BLDC) Motor Drives
The DSPIC33FJ256MC710A-E/PF is explicitly optimized by Microchip for brushless DC motor control, providing dedicated motor-control PWM modules with complementary outputs, programmable dead-time, and fault inputs for hardware overcurrent shutdown. At 40 MIPS with a single-cycle MAC and DSP multiply, it executes sensorless or sensored FOC and trapezoidal commutation algorithms with ample margin. The 10-bit high-speed ADC, triggered by the PWM, samples phase currents at precise mid-PWM points for clean current-loop feedback, while quadrature encoder interfaces support closed-loop position control. The 256 KB flash accommodates the control algorithm plus CANopen stacks and bootloaders for networked industrial drives.
Recommended
Digital Power Supplies and Inverters
In digitally controlled AC-DC and DC-DC power supplies, solar inverters, and UPS systems, the DSPIC33FJ256MC710A-E/PF provides the deterministic control loop timing that digital power demands. Its PWM generators support complementary switching with sub-cycle dead-time insertion, and the fast 10-bit ADC can be synchronized to the PWM period for voltage and current sampling exactly at the optimal instant, minimizing switching-noise corruption. The 40 MIPS DSP core runs proportional-integral and predictive control loops at switching frequencies used in telecom rectifiers and solar micro-inverters. ECAN connectivity enables digital-power systems to report telemetry on industrial buses, and 256 KB flash leaves room for power-management state machines and firmware update logic.
Recommended
Industrial Automation and CAN Networking
For factory automation nodes that combine motion and communication, the ECAN module of the DSPIC33FJ256MC710A-E/PF implements CAN 2.0B for CANopen and DeviceNet networks, while multiple UARTs, SPI, and I2C ports link sensors, HMIs, and drives. The 100-pin TQFP exposes abundant I/O for reading encoders, limit switches, and safety interlocks. Running at 40 MIPS from 256 KB flash, one DSC can close multiple control loops while servicing the communication stack without a second processor. The E-grade temperature rating of -40C to +125C suits panel-mounted equipment in harsh industrial environments, and Microchip's migration path to PIC24 MCUs protects long-term software investment across product generations.
Recommended
PMSM and Induction Motor Field-Oriented Control
Field-oriented control of permanent-magnet synchronous and single/three-phase induction motors requires the DSP math throughput that the dsPIC33F core delivers: single-cycle 16x16 multiply-accumulate, hardware divide, dual 40-bit accumulators, and modulo addressing for circular current-reference tables. The DSPIC33FJ256MC710A-E/PF drives a three-phase inverter through its complementary PWM outputs with dead-time control, samples two phase currents plus DC-bus voltage through its ADC, and receives rotor position from its quadrature encoder interface or a sensorless observer computed in firmware. The -40C to +125C E rating covers under-hood and drive-cabinet ambient conditions, and CAN links the drive into higher-level plant control systems.
Recommended
Automotive and Electric Vehicle Auxiliary Systems
Although not AEC-Q100 qualified, the DSPIC33FJ256MC710A-E/PF's extended -40C to +125C operating range and integrated ECAN make it a common choice for non-safety-critical vehicle systems such as electric power steering assist pumps, cooling-fan controllers, fuel-pump drives, and auxiliary fluid pumps in EV thermal management. The motor-control PWM with fault protection provides safe hardware-level shutdown on overcurrent events, and the 256 KB flash supports OEM-specific communication stacks alongside the control firmware. Designers should verify qualification requirements per program, since AEC-Q100-certified dsPIC33 variants exist for applications that mandate automotive qualification documentation.
Recommended
Appliance and HVAC Variable-Speed Drives
Variable-speed compressors, washing-machine drives, ceiling fans, and HVAC blower motors benefit from the DSPIC33FJ256MC710A-E/PF's single-chip integration: one 100-pin DSC closes the current and speed loops, generates the three-phase PWM, reads Hall or encoder feedback, and manages the appliance's user-interface peripherals over UART or I2C. The 40 MIPS headroom runs sensorless observers that eliminate position sensors and reduce BOM cost, while ECAN or UART links report status to the main appliance controller. Microchip's motor-control library and reference designs for appliance applications shorten development cycles, and the wide temperature range tolerates enclosed, poorly ventilated product housings.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ256MC710A-E/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ256MC710A-I/PF | DSPIC33FJ256MC510T-I/PF | DSPIC33FJ256GP510T-I/PT | DSPIC33FJ128MC710-I/PF | DSPIC33FJ128MC510A-E/PT |
|---|---|---|---|---|---|---|
| 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 |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 256 KB | 256 KB | 256 KB | 256 KB | 128 KB | 128 KB |
| CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Temperature Range | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +125C (E grade) |
| Motor Control PWM Peripherals | Yes (MC variant) | Yes - full MC set | Yes - reduced MC set | No (GP variant) | Yes - full MC set | Yes - reduced MC set |
Key Differentiators
- Extended -40C to +125C E-grade operation (vs DSPIC33FJ256MC710A-I/PF)
- Double the flash of 128 KB family members (vs DSPIC33FJ128MC710-I/PF)
- Full motor-control peripheral set (vs DSPIC33FJ256GP510T-I/PT)
Design Notes
Supply every VDD/VDDCORE pin pair with its own 100 nF X7R ceramic capacitor placed within 2 mm of the pin, plus 4.7 uF to 10 uF of bulk capacitance near the 3.3 V regulator output. The dsPIC33F core draws supply current proportionally to clock rate; at 40 MIPS, transient spikes on the internal core regulator input can cause brown-out resets if decoupling is neglected. Filter AVDD through an RC or ferrite from the main 3.3 V rail to preserve 10-bit ADC accuracy, since motor-drive switching noise on the analog domain shows up directly as current-loop jitter.
Keep PWM output traces to the gate drivers short and paired (L/H complementary pairs routed together) to minimize loop area and EMI. Route analog current-sense signals differentially, away from PWM lines, and use the PWM-triggered ADC sampling so conversions occur in the PWM low phase where switching noise is minimal. Provide a solid, unbroken ground plane under the TQFP; avoid splitting grounds between analog and digital sections. Populate all VSS pins, and connect ECAN traces as a controlled-impedance bus with proper termination at 120 ohm for cable runs.
Use FLTA (fault) hardware shutdown rather than firmware-only overcurrent protection: firmware interrupt latency can exceed the short-circuit withstand time of power MOSFETs in a motor inverter. Configure dead-time explicitly in the PWM time-base registers - assuming default dead-time can shoot through the bridge. Also confirm silicon revision: boards designed around the original MC710 should reference the MC710A errata documentation, as A-revision silicon corrected peripheral behaviors documented in Microchip's errata sheet for the non-A part. Finally, the E/PF suffix denotes -40C to +125C operation; do not substitute I-grade parts in +105C cabinet environments without re-verifying thermal margins.
Compliance Information
Compliance status was not stated in the retrieved distributor snippets; verify RoHS/REACH status on the Microchip product page or the distributor compliance certificate before release. Not positioned by Microchip as AEC-Q100 qualified; E-grade temperature rating does not imply automotive qualification.
