dsPIC33FJ64MC710-I/PT - 16-bit DSC 40MIPS 64KB Flash | Microchip
MPN: DSPIC33FJ64MC710-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.9 | $8.90 |
| 10 | $8.2 | $82.00 |
| 100 | $7.7 | $770.00 |
| 500 | $7.2 | $3,600.00 |
| 1,000 | $6.8 | $6,800.00 |
DSPIC33FJ64MC710-I/PT Overview
A Digital Signal Controller combines the computational throughput of a digital signal processor with the deterministic peripherals and simplicity of a microcontroller, sitting in the hierarchy between a general-purpose MCU and a dedicated DSP. DSCs execute DSP-class instructions such as multiply-accumulate and modulo addressing while retaining MCU-class interrupt latency, making them the preferred device class for closed-loop digital control systems.
Key features of the dsPIC33FJ64MC710 include high-performance motor-control peripherals such as motor control PWM outputs, 12-bit high-speed ADCs suited to current-loop sampling, and ECAN modules for automotive and industrial networking. According to the Microchip datasheet, the dsPIC33F Motor Control family offers seamless migration options to PIC24F, PIC24H MCUs and dsPIC30F DSCs in similar packages, protecting software investment across product generations.
Architecturally, the dsPIC33F uses a modified Harvard 16-bit RISC core with DSP engine instructions, and supports multiple PGECx/PGEDx In-Circuit Serial Programming (ICSP) pin pairs for debugging and programming via standard Microchip tools.
Typical applications include brushless DC motor control, single- and three-phase induction motor drives, switched reluctance motors, uninterruptible power supplies, digital power conversion, and industrial automation nodes requiring CAN connectivity.
When designing, ensure the 3V-3.6V supply rail is well decoupled and that all PGEC/PGED pairs are routed as pairs for debug access.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design guidance not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33FJ64MC710-I/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 DSPIC33FJ64MC710-I/PT (same form factor and footprint) — differing in Package, Core, Operating Temperature, Maximum CPU Speed, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64MC710A-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ128MC710A-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.18 / Unit
View Datasheet →DSPIC33FJ256MC710A-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$7.8 / Unit
View Datasheet →DSPIC33FJ32MC710A-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64MC710-E/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64MC710-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F RISC DSC |
| Maximum CPU Speed | 40 MIPS |
| Program Memory (Flash) | 64KB (64K x 8) |
| Supply Voltage Range | 3 V to 3.6 V |
| Operating Temperature | -40C to +85C (industrial, I suffix) |
| Package | TQFP-100 (PT) |
| Mounting Type | Surface Mount |
| Product Family | dsPIC33FJXXXMCX06/X08/X10 Motor Control Family |
| Application Focus | Motor Control and Digital Power |
| Programming Interface | ICSP via PGECx/PGEDx pin pairs |
| Migration Path | PIC24F, PIC24H, dsPIC30F in similar packages |
| RoHS Status | Compliant |
DSPIC33FJ64MC710-I/PT tqfp-100 (pt) Pin Configuration Guide
Pin configuration for DSPIC33FJ64MC710-I/PT (tqfp-100 (pt) 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 DSPIC33FJ64MC710-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64MC710-I/PT is suitable for 6 applications: Brushless DC Motor Control, Three-Phase Induction Motor Drives, Uninterruptible Power Supplies (UPS), Switched Reluctance Motor (SRM) Drives, Industrial Automation and CAN Networking Nodes, Digital Power Conversion.
Brushless DC Motor Control
The dsPIC33FJ64MC710-I/PT fits BLDC motor drives because its 40 MIPS DSP engine executes field-oriented control and commutation math at loop rates unattainable by general-purpose MCUs, while its motor-control PWM peripherals generate the complementary gate-drive signals with hardware dead time. In a typical sensorless or hall-sensored BLDC design, the high-speed ADC samples phase currents synchronously with the PWM cycle, closing the current loop inside each switching period at 20-40 kHz. Placing control, PWM generation, and ECAN or UART communication on one chip removes external DSP glue logic and lowers BOM cost. The 64KB Flash holds control firmware plus a fieldbus protocol stack with headroom for future features.
Recommended
Three-Phase Induction Motor Drives
Single- and three-phase induction motor drives are an explicitly supported application for this dsPIC33FJ64MC710 motor-control family per Microchip's product documentation. The 40 MIPS core computes Clarke/Park transforms and slip-compensated V/f or vector control algorithms, while the PWM module drives a six-switch inverter bridge with programmable dead time protecting the power stage. The 12-bit high-speed ADC samples DC-bus voltage and phase currents for overcurrent protection and torque estimation, and the ECAN interface connects the drive to industrial fieldbus networks. The 64KB Flash accommodates full vector-control firmware plus parameter storage, and the industrial -40C to +85C rating suits factory-floor drive environments.
Recommended
Uninterruptible Power Supplies (UPS)
Online and line-interactive UPS designs require simultaneous, phase-coherent control of an AC-DC boost rectifier and a DC-AC inverter, which the dsPIC33FJ64MC710-I/PT handles on a single 40 MIPS DSC. Its DSP engine executes the sine-wave modulation and battery-charge control loops, while synchronized ADC sampling captures input voltage, output voltage, and battery current in each switching cycle. The 100-pin package provides enough I/O to supervise contactors, fans, and front-panel indicators without external I/O expanders. The industrial temperature rating and 3V-3.6V digital supply simplify design alongside standard 3.3V logic, and the 64KB Flash stores control laws plus diagnostic logging.
Recommended
Switched Reluctance Motor (SRM) Drives
Switched reluctance motor control is a listed application for the dsPIC33FJ64MC710A family on Microchip's product page, and the same silicon platform covers the non-A dsPIC33FJ64MC710-I/PT. SRM drives demand precise per-phase current chopping tied to rotor position; the 40 MIPS core runs position estimation and hysteresis current control while the motor-control PWM outputs sequence asymmetric-bridge phases. The high-speed ADC samples each phase current near the PWM midpoint to reduce switching noise, and the DSP engine maintains control bandwidth even with the heavy commutation overhead SRM requires. The TQFP-100 I/O count supports position-sensor inputs and CAN-based supervisory communication in one controller.
Recommended
Industrial Automation and CAN Networking Nodes
In factory automation, the dsPIC33FJ64MC710-I/PT serves as an intelligent actuator or sensor node where deterministic control and ECAN networking must coexist. The 40 MIPS core executes local control loops while the CAN module buffers and transmits telemetry on the plant network with hardware filtering, offloading the CPU from byte-level protocol handling. The 100-pin TQFP exposes generous parallel and serial I/O - UART, SPI, and I2C - for integrating encoders, HMIs, and auxiliary sensors on one PCB. Operating from -40C to +85C, the part survives unconditioned electrical cabinets, and the 64KB Flash leaves room for OTA-style firmware update routines stored alongside the application.
Recommended
Digital Power Conversion
Digital telecom rectifiers, solar micro-inverters, and servo drive front ends benefit from the dsPIC33FJ64MC710-I/PT's combination of DSP math throughput and power-control peripherals. The 40 MIPS core implements average-current-mode and voltage-mode loops for PFC stages with switching frequencies up to hundreds of kHz, with ADC triggered exactly at PWM centers for noise-free sampling. The 64KB Flash holds compensation tables, soft-start state machines, and fault logs, while ECAN enables digital command interfaces in modular power shelves. Compared with analog control, the single-chip digital approach adapts compensation in firmware and reports telemetry without additional supervisory ICs, reducing BOM and board area.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64MC710-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64MC710A-I/PT | DSPIC33FJ128MC710A-I/PT | DSPIC33FJ256MC710A-I/PT | DSPIC33FJ32MC710A-I/PT | DSPIC33FJ64MC710-E/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-100 (PT) | TQFP-100 (PT) - same | TQFP-100 (PT) - same | TQFP-100 (PT) - same | TQFP-100 (PT) - same | TQFP-100 (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 64KB | 64KB | 128KB | 256KB | 32KB | 64KB |
| CPU Performance | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (extended) |
| Silicon Revision | Original (non-A) | A revision (newer) | A revision (newer) | A revision (newer) | A revision (newer) | Original (non-A) |
| Best Use Case | Existing qualified designs, legacy BOM continuity | New designs, best supply outlook | Firmware growth beyond 64KB | Complex algorithms, large code base | Cost-down designs with smaller code | High-ambient-temperature environments |
Key Differentiators
- Original non-A silicon for legacy BOM continuity (vs DSPIC33FJ64MC710A-I/PT)
- Industrial temperature grade (vs DSPIC33FJ64MC710-E/PT)
- Right-sized 64KB Flash (vs DSPIC33FJ256MC710A-I/PT)
Design Notes
Decouple the 3V-3.6V supply with at least one 0.1uF ceramic capacitor per VDD/VSS pin pair placed within 2-3 mm of each pin, plus bulk 10uF capacitance near the package. DSC core current spikes occur synchronously with 40 MIPS execution and PWM switching; insufficient local decoupling shows up as ADC noise and spurious resets. Estimate: at a typical 60-80 mA core current, rail ripple should be held below 50 mV to keep the 3V minimum supply margin safe. Verify all VDD pins are connected - floating supply pins on the TQFP-100 are a common bring-up failure.
Reserve at least one PGECx/PGEDx pair on a 5-pin programming header (MCLR, VDD, GND, PGECx, PGEDx). Per Microchip development documentation, the device has multiple PGEC/PGED pairs and each must be used as a matched pair - PGEC2 with PGED2, never mixed. Do not load debug pins with pull-downs, LEDs, or large trace capacitance, which corrupts ICSP signaling. Route PWM outputs away from ADC input traces to prevent switching coupling into current-sense sampling; use ground pour between motor phase routing and the controller.
Do not exceed the 3.6V absolute supply limit - dsPIC33F is not 5V tolerant on general I/O and requires level shifting for 5V peripherals. When migrating firmware from the non-A part to the dsPIC33FJ64MC710A, read the A-version errata/datasheet deltas first, as peripheral errata fixes can change edge-case timing behavior in closed-loop control. Also confirm the oscillator configuration fuses match your crystal before first flash - a misconfigured PLL lock setting is the most frequent cause of a 'dead' board that is actually running at the wrong clock.
Compliance Information
RoHS compliant and lead-free per distributor listings for Microchip dsPIC33F family industrial-grade parts. Formal REACH, halogen-free, and conflict-minerals declarations should be requested from Microchip.
