DSPIC33FJ256MC710A-E/PT - 16-bit 40MIPS DSC 256KB | Microchip
MPN: DSPIC33FJ256MC710A-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.27 | $9.27 |
| 10 | $8.85 | $88.50 |
| 100 | $7.95 | $795.00 |
| 500 | $7.2 | $3,600.00 |
| 1,000 | $6.65 | $6,650.00 |
DSPIC33FJ256MC710A-E/PT Overview
A digital signal controller is a hybrid device that merges the control peripheral set of a microcontroller with the multiply-accumulate (MAC/DSP) instruction throughput of a digital signal processor. Within the power management hierarchy, the DSC sits between a general-purpose MCU and a dedicated DSP, making it the standard choice for closed-loop power conversion where deterministic interrupt latency matters. The dsPIC33F family from Microchip Technology is one of the most widely deployed 16-bit DSC platforms in motor control and digital power.
Key features of the MC710A variant include 85 general-purpose I/O pins, a 24-channel analog-to-digital converter supporting 10-bit and 12-bit modes, a CAN 2.0B controller, and the motor-control PWM peripherals (with center-aligned and complementary modes plus dead-time generators) that specifically target brushless DC, single-phase and 3-phase induction, and switched reluctance motor drives.
Technically, the core runs at 3.0V to 3.6V with a 40 MIPS maximum clock, using a modified Harvard architecture with DSP multiply-accumulate, barrel shifter, and modulo/bit-reversed addressing for FFT and filter kernels. The 'A' revision adds industrial and automotive qualification; the -E/PT ordering code denotes the extended -40C to +125C temperature grade in a tape-free Tray package, and the family member is AEC-Q100 qualified per Microchip USA product data.
Typical applications include BLDC and PMSM field-oriented-control motor drives, digital power supplies (PFC, LLC), solar inverters, and automotive auxiliary motor controllers requiring CAN networking.
Design consideration: at 40 MIPS the core draws significant dynamic current; keep decoupling close to all VDD pins and budget Flash erase/write endurance by logging write cycles in your firmware.
This page synthesizes distributor inventory data, drop-in alternatives, and engineering design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33FJ256MC710A-E/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-E/PT (same form factor and footprint) — differing in Operating Temperature, Package, Core Architecture, Motor Control PWM, RAM.
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 →DSPIC33FJ128MC710-I/PT
✅ Drop-In✓ In Stock
$6.9 / Unit
View Datasheet →DSPIC33FJ256GP510T-I/PT
✅ Drop-In✓ In Stock
$6.95 / Unit
View Datasheet →DSPIC33FJ256MC710-E/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ256MC710A-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F |
| Maximum Execution Speed | 40 MIPS |
| Flash Program Memory | 256 KB (256K x 8) |
| RAM | 30 KB (30K x 8) |
| Supply Voltage | 3.0 V to 3.6 V |
| Package | 100-TQFP (12x12 mm) |
| I/O Pins | 85 |
| ADC Channels | 24-channel, 10-bit / 12-bit |
| Operating Temperature | -40C to +125C (E grade) |
| CAN Controller | Yes (CAN 2.0B) |
| Motor Control PWM | Yes (complementary / center-aligned with dead time) |
| Qualification | AEC-Q100 (automotive series) |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| RoHS Status | ROHS3 Compliant |
| Product Status | Active |
| Manufacturer Lead Time | 44 weeks |
DSPIC33FJ256MC710A-E/PT 100-tqfp (12x12 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ256MC710A-E/PT (100-tqfp (12x12 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/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ256MC710A-E/PT is suitable for 6 applications: BLDC Motor Control, 3-Phase Induction Motor Drives, Automotive Auxiliary Motor Systems, Digital Power Conversion (PFC / Inverters), Switched Reluctance Motor Drives, Industrial Automation & Unified Motion Platforms.
BLDC Motor Control
The dsPIC33FJ256MC710A family is explicitly optimized by Microchip for brushless DC motor applications. Its motor-control PWM unit generates complementary, center-aligned waveforms with hardware dead-time insertion, which is essential for sinusoidal and field-oriented control (FOC) of BLDC and PMSM machines. The 40 MIPS core executes FOC current loops at switching frequencies of 20 kHz and above with DSP MAC instructions, while the 24-channel 10/12-bit ADC samples phase currents synchronized to PWM centers via the ADC trigger architecture. Combined with the CAN 2.0B controller for networked drive commands, one 100-TQFP device replaces a separate MCU plus DSP solution, cutting BOM cost and control-loop latency.
Recommended
3-Phase Induction Motor Drives
For single-phase and 3-phase induction motor control, the DSPIC33FJ256MC710A-E/PT provides the computational headroom for V/f and sensorless vector algorithms: 40 MIPS throughput, hardware multiply-accumulate, and 256KB of Flash accommodate rotor-flux observers and slip compensation without external memory. The motor-control PWM's complementary outputs with programmable dead time safely drive 6-switch IGBT/MOSFET inverters, and gate-drive faults can trip PWM outputs via hardware fault inputs for cycle-by-cycle protection. The extended -40C to +125C E-grade and AEC-Q100 qualification permit mounting in industrial cabinets and automotive auxiliary drives where ambient temperatures exceed standard industrial ratings.
Recommended
Automotive Auxiliary Motor Systems
As a member of the Automotive dsPIC 33F series, the -E/PT variant is AEC-Q100 qualified with a -40C to +125C operating range, targeting pumps, blowers, throttle actuators, and HVAC blowers under the hood. The integrated CAN 2.0B controller connects the drive directly to vehicle body or powertrain networks without an external CAN transceiver controller IC, and 256KB of self-programmable Flash supports field firmware updates per UDS-style bootloaders. The 12-bit ADC modes give the resolution margin needed for high-precision position and current feedback, and Tray packaging suits automotive production lines using pick-and-place assembly.
Recommended
Digital Power Conversion (PFC / Inverters)
The 40 MIPS dsPIC33F core with DSP MAC instructions and deterministic interrupt response executes average-current-mode PFC and phase-shifted full-bridge control loops at 100-500 kHz switching frequencies. The 24-channel ADC can be triggered synchronously with the PWM unit to sample inductor current and bus voltage exactly at the correct instants of the switching period, minimizing switching-noise-induced error - a key advantage over sampling at arbitrary times. 256KB Flash holds compensation tables, soft-start sequencing, and communication stacks, while the E-grade temperature rating covers power-supply internal ambient conditions near heatsinks. The GS-family DSPIC33FJ16GS504 offers a lower-cost alternative for simpler converter topologies.
Recommended
Switched Reluctance Motor Drives
Microchip lists switched reluctance (SR) motors among the primary applications of the dsPIC33FJ256MC710A family. SR drives demand fast, precise phase-current chopping and commutation angle control; the motor-control PWM's individual output override and dead-time hardware, combined with the 12-bit ADC's simultaneous multi-channel sampling of unipolar phase currents, meets these requirements in a single device. The 40 MIPS DSP engine computes torque-sharing and angle-position estimation algorithms in real time, and 256KB Flash stores per-motor commutation maps and sensorless position-observer code. The CAN interface allows the SR drive to report status and accept commands in industrial network topologies.
Recommended
Industrial Automation & Unified Motion Platforms
Beyond individual drives, Microchip positions the dsPIC33F Motor Control portfolio for unified (Uni-) motion applications, where one code base spans multiple motor types and power stages. The DSPIC33FJ256MC710A-E/PT's 85 I/O pins accommodate encoder interfaces, limit switches, safety chains, and HMI connections on a single 100-TQFP device, while 30KB RAM buffers multi-axis trajectory data. The 12-bit ADC modes digitize analog sensor inputs such as temperature and bus voltage for condition monitoring. Because the family offers seamless migration to other dsPIC33F and PIC24 members in similar packages, a platform vendor can scale pin count and memory per model without redesigning the PCB.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ256MC710A-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ256MC710A-I/PT | DSPIC33FJ128MC710-I/PT | DSPIC33FJ256GP510T-I/PT | DSPIC33FJ256MC710-E/PT |
|---|---|---|---|---|---|
| Package | 100-TQFP (12x12 mm) | 100-TQFP (12x12) - same | 100-TQFP (12x12) - same | 100-TQFP (12x12) - same | 100-TQFP (12x12) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 256 KB | 256 KB | 128 KB | 256 KB | 256 KB |
| Execution Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) |
| Motor-Control PWM Peripherals | Yes (MC family) | Yes (MC family) | Yes (MC family) | No (GP family) | Yes (MC family) |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
Key Differentiators
- Extended -40C to +125C automotive-grade temperature rating (vs DSPIC33FJ256MC710A-I/PT)
- Double the program memory in the same footprint (vs DSPIC33FJ128MC710-I/PT)
- Dedicated motor-control PWM with hardware dead time (vs DSPIC33FJ256GP510T-I/PT)
Design Notes
The dsPIC33F core requires a VDDCORE/VCAP connection; follow the Microchip datasheet external-bulk-capacitor recommendation on VCAP exactly (wrong value or ESR causes erratic 40 MIPS operation and Flash corruption). Provide independent 0.1uF ceramic decoupling at each VDD/AVDD pin pair of the 100-TQFP plus one bulk 10uF per rail. Keep the 3.0-3.6V supply within datasheet limits at all I/O banks - Flash programming at undervoltage is the most common field-failure root cause reported for this family.
Separate analog and digital ground regions and join them at a single point under the ADC section; route the ADC's positive reference (AVDD/ADREF) through a ferrite from the digital 3.3V rail with local 0.1uF + 1uF decoupling. Keep the 24-channel ADC's multiplexed input traces short and away from motor-control PWM gate-drive lines, whose fast edges (dV/dt through MOSFET drivers) capacitively couple into high-impedance analog inputs. Place the CAN transceiver within 20 mm of the CANTX/CANRX pins with a series resistor at the controller side.
Two pitfalls recur with this family. First, the E-grade part is rated to +125C ambient, but internal power dissipation at 40 MIPS raises junction temperature - estimate Tj = Ta + Pd x theta_JA using the datasheet thermal values before qualifying automotive enclosures (this is an estimate; consult the datasheet theta_JA for TQFP-100). Second, the pre-'A' DSPIC33FJ256MC710 carries known errata fixed in the A revision; never qualify new automotive designs on non-A silicon. Finally, with a 44-week factory lead time, define second-source approval (e.g., the -I grade) early in the project rather than at production ramp.
Compliance Information
ROHS3 Compliant and AEC-Q100 qualified per Microchip USA product data. Automotive dsPIC 33F series. REACH, halogen-free, and conflict-minerals status not stated in provided data.
