DSPIC33EP256GM710-E/PT - 16-bit DSC, 256KB Flash | Microchip
MPN: DSPIC33EP256GM710-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.96 | $7.96 |
| 10 | $7.35 | $73.50 |
| 100 | $6.72 | $672.00 |
| 500 | $6.15 | $3,075.00 |
| 1,000 | $5.65 | $5,650.00 |
DSPIC33EP256GM710-E/PT Overview
A digital signal controller combines the computational architecture of a digital signal processor (DSP) with the peripheral integration and control-oriented instruction set of a microcontroller (MCU). Within the power-management hierarchy, the dsPIC33E family sits in the 16-bit embedded controller class, positioned for real-time closed-loop control such as field-oriented motor control, digital power conversion, and sensor signal processing where both math throughput and deterministic I/O are required.
Key features include integrated high-speed PWM for motor control (MC), dual on-chip operational amplifiers, a 4-channel quadrature encoder interface (QEI), 8 input capture and 8 output compare channels, and CAN connectivity. The Mouser listing confirms 256KB Flash, 16KB RAM, 12 motor-control channels and 8/8 IC/OC with OpAmps.
Architecturally, the device uses a modified Harvard 16-bit core with DSP multiply-accumulate instructions, operating from a 3.3V supply. According to Microchip product documentation, the dsPIC33E family targets high-performance precision motor control systems with integrated DSP and enhanced on-chip peripherals.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives, digital power supplies and inverters, and industrial automation nodes requiring CAN bus connectivity.
Design consideration: the E-suffix grade guarantees -40C to +125C operation, but supply decoupling and oscillator layout remain critical at 70 MIPS clock rates; follow Microchip layout guidance for the TQFP-100 footprint.
This page synthesizes distributor pricing (LCSC from $7.9551), drop-in same-family alternatives, and selection guidance not consolidated in the manufacturer datasheet. Pricing as of 2026-09-24.
Drop-in alternatives for DSPIC33EP256GM710-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 DSPIC33EP256GM710-E/PT (same form factor and footprint) — differing in Package, Qualification, RAM, Core Architecture, Quadrature Encoder Interface.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP256GM710-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP512GM710-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.55 / Unit
View Datasheet →DSPIC33EP128GM710-E/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP256GM610-E/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP256GM710-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC DSC (modified Harvard) |
| Core Performance | 70 MIPS dsPIC DSC core |
| Maximum Clock Frequency | 60 MHz |
| Program Memory (Flash) | 256KB (85.5K x 24) |
| RAM | 16KB |
| Supply Voltage | 3.3 V |
| Motor Control PWM Channels | 12 |
| Input Capture Channels | 8 |
| Output Compare Channels | 8 |
| Quadrature Encoder Interface | 4 channels |
| On-chip Operational Amplifiers | Yes (OpAmp integrated) |
| Connectivity | CAN |
| Package | 100-TQFP (12x12 mm) |
| Operating Temperature | -40C to +125C (E grade) |
| Qualification | Automotive, AEC-Q100 |
| Mounting Type | Surface Mount |
| Packaging | Tray |
DSPIC33EP256GM710-E/PT 100-tqfp (12x12 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP256GM710-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 DSPIC33EP256GM710-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP256GM710-E/PT is suitable for 6 applications: BLDC/PMSM Motor Drives, Digital Power Conversion, Automotive Body and Powertrain Nodes, Industrial Automation and CAN Networking, Sensor Signal Processing and Conditioning, Robotics and Motion Control.
BLDC/PMSM Motor Drives
The DSPIC33EP256GM710-E/PT fits brushless DC and permanent-magnet synchronous motor control because it pairs a 70 MIPS DSP core with 12 motor-control PWM channels, 4 quadrature encoder interfaces, and on-chip op amps for current-shunt conditioning. In a typical FOC drive, the DSC runs the current loop at tens of kHz, reading amplified shunt signals through its internal op amps into the ADC and generating complementary PWM outputs with hardware dead-time insertion. The 4 QEI channels accept encoder feedback directly, eliminating external quadrature decoding logic. The -40C to +125C E-grade and AEC-Q100 qualification allow mounting near power stages in automotive and industrial inverters where ambient temperatures exceed +85C, without derating the control firmware's real-time budget.
Recommended
Digital Power Conversion
For digitally controlled AC-DC and DC-DC converters, the DSPIC33EP256GM710-E/PT offers the high-resolution PWM timing and fast interrupt response a switching converter demands. The 8 input capture and 8 output compare channels support cycle-by-cycle current limiting, synchronous rectification timing, and fault shutdown within one PWM period. The 70 MIPS core executes compensator math (PI or 3p3z) while hardware peripherals handle PWM phase shifting for interleaved topologies. Designers typically allocate a fraction of the 256KB Flash to parameter tables and compensation coefficients, and use the CAN interface to report telemetry to a system controller. The 3.3V logic interface simplifies connection to gate-driver ICs and isolated feedback circuits common in industrial power supplies.
Recommended
Automotive Body and Powertrain Nodes
The AEC-Q100 qualification and -40C to +125C operating range of the DSPIC33EP256GM710-E/PT make it suitable for automotive electronic modules such as pump controllers, fan drives, and actuator control units. The integrated CAN peripheral connects the node to vehicle networks, while the 12 MC PWM channels drive motor loads directly through external gate drivers. On-chip op amps reduce BOM count by conditioning current feedback without a dedicated amplifier IC, improving cost and reliability in high-vibration environments. Because the device is on Microchip's active roadmap with long-term supply commitments, tier-1 suppliers can standardize firmware across the dsPIC33EP family and scale between the 100-pin GM710 and lower-pin-count siblings (GM604, GM310) without retraining or toolchain changes.
Recommended
Industrial Automation and CAN Networking
In factory automation, the DSPIC33EP256GM710-E/PT serves as an intelligent actuator or sensor-hub controller where CAN bus connectivity and deterministic real-time control are both required. The 16-bit Harvard core with DSP instructions processes sensor filtering and control loops, while 8 input capture channels timestamp encoder or hall events with hardware precision. The CAN interface links the node to PLCs and SCADA gateways, and the 85.5K x 24 instruction-word Flash holds protocol stacks plus application logic with room to spare. Designers value that the same 100-TQFP footprint supports 128KB, 256KB, and 512KB Flash variants, letting one PCB serve multiple product tiers. The industrial -40C to +85C -I/PT sibling offers a lower-cost option for climate-controlled cabinets.
Recommended
Sensor Signal Processing and Conditioning
The DSPIC33EP256GM710-E/PT integrates operational amplifiers and a high-throughput DSP pipeline, making it effective as a smart sensor front end that amplifies, filters, and interprets analog signals on-chip. Signals from pressure, current, or position transducers enter the on-chip op amps, are digitized, and are processed with DSP multiply-accumulate instructions running at up to 70 MIPS - all within one device, reducing board area and noise pickup compared to discrete amplifier-plus-MCU chains. The 16KB RAM buffers waveform captures, while the 8 output compare channels generate precise excitation or pulse outputs for active sensing techniques. The extended temperature grade supports sensor modules mounted on motors, engines, or outdoor equipment where ambient conditions exceed standard commercial ratings.
Recommended
Robotics and Motion Control
Multi-axis robotic joints require synchronized motor control, and the DSPIC33EP256GM710-E/PT delivers four independent quadrature encoder interfaces alongside 12 motor-control PWM channels, enabling coordinated multi-axis motion from a single DSC. Each axis loop benefits from the 70 MIPS core's deterministic interrupt latency, keeping current-loop jitter low for smooth torque control. The 8 output compare channels add auxiliary timing for limit switches and braking logic, and CAN provides the inter-axis communication backbone in modular robot architectures. Firmware teams can exploit the DSP MAC instructions for trajectory interpolation and adaptive filtering. The AEC-Q100 rating extends applicability to collaborative and mobile robots that operate in unconditioned environments, while the 100-pin TQFP provides enough I/O for per-axis gate drive and feedback routing.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP256GM710-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP256GM710-I/PT | DSPIC33EP512GM710-E/PT | DSPIC33EP128GM710-E/PT | DSPIC33EP256GM610-E/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 Memory | 256KB (85.5K x 24) | 256KB (85.5K x 24) | 512KB | 128KB | 256KB |
| Core Performance | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +125C (E grade) |
| Motor Control PWM / QEI / OpAmp Set | 12 MC, 8/8 IC/OC, QEI4, OpAmp | Identical (same die) | Identical peripheral set | Identical peripheral set | Reduced GM610 peripheral set |
| AEC-Q100 Qualification | Qualified (automotive) | Industrial grade | Automotive (E grade) | Automotive (E grade) | Automotive (E grade) |
Key Differentiators
- Extended -40C to +125C automotive grade (vs DSPIC33EP256GM710-I/PT)
- Memory-scalable same-footprint family (vs DSPIC33EP512GM710-E/PT)
- Full peripheral integration (vs DSPIC33EP256GM610-E/PT)
Design Notes
The DSPIC33EP256GM710-E/PT operates from a 3.3V supply (per Jotrin listing). Estimated: at 70 MIPS with all PWM and analog peripherals active, core current is typically in the tens-to-low-hundreds of mA range (consult the Microchip dsPIC33EP family datasheet for exact ICC tables). Place a 0.1uF ceramic capacitor at each VDD pin pair and a bulk 4.7uF to 10uF capacitor near the device; use separate analog VDD filtering if the on-chip op amps are used, since motor-drive ground noise couples directly into ADC readings.
The 100-TQFP (12x12 mm) land pattern requires a 0.5mm pitch fan-out; use via-in-pad or dogbone escapes on the two outer rows. Keep the 12 MC PWM trace groups routed to gate drivers with matched lengths per phase to minimize dead-time skew, and route QEI encoder inputs away from PWM switching nodes to prevent false count edges. Follow the Microchip high-speed PWM layout guidance in the dsPIC33EP family reference manual for star-grounding the power and analog sections.
Do not confuse the -E/PT (extended, -40C to +125C) and -I/PT (industrial, -40C to +85C) suffixes when ordering: distributor pages list both under nearly identical names, and the wrong grade can fail in hot enclosures despite identical electrical function. Also note the /BG BGA variant is the same die in a different package - it is not drop-in compatible with the TQFP footprint. Finally, verify Flash variant selection (128/256/512KB GM710) against final firmware size with margin for OTA-style field updates.
Compliance Information
AEC-Q100 automotive qualification and -40C to +125C grade confirmed via DigiKey and Globalspec listings. RoHS/lead-free status per Jotrin listing of current Microchip automotive product. REACH and halogen-free declarations not stated in provided data.
