DSPIC33EP512GM706-E/MR - 16-bit 70 MIPS DSC, 512KB Flash | Microchip
MPN: DSPIC33EP512GM706-E/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.62 | $8.62 |
| 10 | $7.85 | $78.50 |
| 100 | $6.94 | $694.00 |
| 500 | $6.3 | $3,150.00 |
| 1,000 | $5.74 | $5,740.00 |
DSPIC33EP512GM706-E/MR Overview
A digital signal controller combines the compute characteristics of a digital signal processor with the peripheral set and control architecture of a microcontroller. Within the power management hierarchy of embedded processing, the DSC sits between general-purpose MCUs and dedicated DSPs, making dsPIC33E devices a common choice for control loops that also require fast multiply-accumulate arithmetic.
Key features include the 16-bit dsPIC33E Harvard-architecture core running at 60 MHz (up to 70 MIPS), 12-channel motor control PWM, 8 input capture and 8 output compare channels, 2 quadrature encoder interfaces, on-chip operational amplifiers, and CAN connectivity for industrial networks.
Architecturally, the dsPIC33EP core integrates DSP multiply-accumulate instructions, a zero-overhead DO and REPEAT loop mechanism, and an interrupt controller with deterministic latency, so precision control algorithms such as field-oriented motor control execute without external assistance. The extended-temperature E-grade suffix qualifies the device for harsh environments.
Typical applications include precision motor control for industrial drives, digital power supplies and solar inverters, automotive auxiliary systems, and sensor signal processing where CAN or high-rate PWM peripherals are required.
Design consideration: this -E/MR part ships in tube packaging with an exposed pad QFN footprint; ensure the PCB thermal pad is well-grounded for both heat dissipation and reliable supply distribution.
This page synthesizes distributor pricing context, drop-in family alternatives, and practical design notes beyond what the manufacturer datasheet alone provides.
Drop-in alternatives for DSPIC33EP512GM706-E/MR — 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 DSPIC33EP512GM706-E/MR (same form factor and footprint) — differing in Operating Temperature, Package, RAM, Program Memory (Flash), CAN.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP512GM706-I/MR
✅ Drop-In✓ In Stock
$4.85 / Unit
View Datasheet →DSPIC33EP512GM706-H/MR
✅ Drop-In✓ In Stock
$6.05 / Unit
View Datasheet →DSPIC33EP512GM606-E/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP256GM706-E/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP512MC706-E/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP512GM706-E/MR Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E Harvard |
| Max CPU Speed | 70 MIPS (60 MHz clock) |
| Program Memory (Flash) | 512 KB (170K x 24) |
| RAM | 48 KB (49152 words) |
| Supply Voltage | 3.3 V |
| Operating Temperature | -40C to +125C (E grade) |
| Package | 64-VQFN (9x9 mm), exposed pad (QFN-64-EP) |
| Mounting Type | Surface Mount |
| Motor Control PWM Channels | 12 MCPWM |
| Input Capture / Output Compare | 8 IC / 8 OC |
| Quadrature Encoder Interfaces | 2 QEI |
| On-chip Op Amps | Yes |
| CAN | Yes (per family datasheet 70 MIPS, Motor Control, OpAmps, CAN) |
| Packaging | Tube |
| JESD-30 Package Code | S-PQCC-N64 |
| ECCN | 3A991A2 |
| Qualification | Automotive-grade family variants available (H suffix AEC-Q100 qualified) |
DSPIC33EP512GM706-E/MR s-pqcc-n64 Pin Configuration Guide
Pin configuration for DSPIC33EP512GM706-E/MR (s-pqcc-n64 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 DSPIC33EP512GM706-E/MR.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP512GM706-E/MR is suitable for 6 applications: Precision Industrial Motor Control, Digital Power Conversion (Solar Inverters / PFC), Automotive Auxiliary Systems, Sensor Signal Processing and Data Acquisition, Networked HVAC and Compressor Control, Robotics and Motion Control.
Precision Industrial Motor Control
The DSPIC33EP512GM706-E/MR fits industrial motor drives because its 12-channel motor-control PWM module, 2 quadrature encoder interfaces, and on-chip op amps cover the complete sensing-and-driving chain of a field-oriented-control (FOC) servo or BLDC drive. The 70 MIPS 16-bit DSP core executes current-loop and speed-loop compensation at multi-kilohertz rates without external co-processors, while the CAN interface links the drive into factory automation networks. In use, the MCPWM outputs drive a three-phase inverter gate stage, the QEI reads encoder position, and the integrated op amps amplify shunt current signals ahead of the ADC. The quantified benefit is a single-chip drive controller: fewer external analog parts, deterministic interrupt latency, and extended -40C to +125C operation suitable for enclosed industrial cabinets with limited airflow.
Recommended
Digital Power Conversion (Solar Inverters / PFC)
For digitally controlled power stages such as photovoltaic inverters, totem-pole PFC, and DC-DC resonant converters, the DSPIC33EP512GM706-E/MR provides high-resolution PWM with complementary outputs and dead-time control via its 12-channel MCPWM module. The 70 MIPS core runs proportional-integral compensators and soft-start state machines with cycle-by-cycle current-mode control, while 8 input capture channels timestamp switching events for protection and synchronization. The extended temperature rating of -40C to +125C suits converter enclosures mounted near heat sources, and the CAN peripheral supports inverter monitoring and grid-tie communication buses. Using one DSC for power-stage control, housekeeping sequencing, and communications removes an external supervisor MCU, reducing BOM count, board area, and firmware complexity in compact power electronics designs.
Recommended
Automotive Auxiliary Systems
The dsPIC33EP512GM706 family is specified as automotive-grade (distributor data lists '3.3V Automotive'), and the -H/MR sibling variant is AEC-Q100 qualified to +150C, making this device family appropriate for automotive auxiliary control units such as pumps, fans, actuators, and lighting controllers. The 12-channel MCPWM directly drives brushed or BLDC motor stages; the 2 quadrature encoder interfaces read position feedback in actuators; and CAN provides the vehicle network link required in body and powertrain-adjacent modules. Operating from the vehicle's regulated 3.3 V logic rail at -40C to +125C (E grade) or up to +150C (H grade), the part sustains under-hood and chassis environments. Designers should select the AEC-Q100 -H/MR variant where documented qualification is mandatory for the end application.
Recommended
Sensor Signal Processing and Data Acquisition
The DSPIC33EP512GM706-E/MR integrates on-chip operational amplifiers alongside a DSP-capable 16-bit core, which makes it effective for embedded sensing nodes that must amplify, filter, and interpret analog signals locally. The 8 input capture channels provide precise timing of external events, and the 512 KB Flash accommodates substantial calibration tables and DSP filter coefficient sets, while 48 KB RAM buffers acquired data streams. Applications include vibration monitoring, ultrasonic flow measurement, and industrial condition-monitoring sensors where a Harvard-architecture DSC applies multiply-accumulate filtering faster than a conventional MCU. The CAN or UART connectivity transmits processed results upstream rather than raw data, reducing bus load. The extended -40C to +125C operating range allows deployment in outdoor and machinery-mounted enclosures without local climate control.
Recommended
Networked HVAC and Compressor Control
Variable-speed compressors, blowers, and pumps in HVAC equipment are a classic dsPIC33E application: the DSPIC33EP512GM706-E/MR drives the power stage through its 12-channel MCPWM with dead-time insertion, reads rotor position from a sensor or encoder via the QEI, and communicates operating status over CAN to the building management system. The 70 MIPS core performs sensorless observer algorithms (back-EMF or sliding-mode) at sampling rates that keep acoustic noise low, and 512 KB Flash stores multiple efficiency maps and protection firmware. Extended temperature operation to +125C tolerates condenser-side electronics bays, and the exposed-pad QFN-64 conducts heat into the PCB ground plane. Single-chip integration of control, protection, and communications shortens certification cycles for appliance manufacturers.
Recommended
Robotics and Motion Control
Multi-axis robotic joints and motion stages benefit from the DSPIC33EP512GM706-E/MR's combination of 12 MCPWM channels (enough to drive two to three axes of three-phase motors from one device), 2 quadrature encoder interfaces for simultaneous position feedback on two axes, and deterministic 70 MIPS control-loop execution. The 8 output compare channels generate auxiliary timing for limit switches, brakes, and homing sequences, while the DSP core runs trajectory interpolation and current-loop compensation concurrently. The extended -40C to +125C rating suits industrial robot arms and mobile platforms operating outdoors or near heat-generating actuators. Using one DSC per joint module with CAN interconnection creates a distributed motion architecture that reduces harness complexity compared with a centralized controller and long analog feedback cabling.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512GM706-E/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP512GM706-I/MR | DSPIC33EP512GM706-H/MR | DSPIC33EP512GM606-E/MR | DSPIC33EP256GM706-E/MR | DSPIC33EP512MC706-E/MR |
|---|---|---|---|---|---|---|
| Package | 64-VQFN (9x9), exposed pad | 64-VQFN (9x9) - same | 64-VQFN (9x9) - same | 64-VQFN (9x9) - same | 64-VQFN (9x9) - same | 64-VQFN (9x9) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 512 KB (170K x 24) | 512 KB | 512 KB | 384 KB | 256 KB | 512 KB |
| RAM | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C | -40C to +150C | -40C to +125C | -40C to +125C | -40C to +125C |
Key Differentiators
- Extended temperature range (vs DSPIC33EP512GM706-I/MR)
- Cost-optimized automotive grade (vs DSPIC33EP512GM706-H/MR)
- Maximum Flash in the 64-pin GM family (vs DSPIC33EP512GM606-E/MR)
Design Notes
The DSPIC33EP512GM706-E/MR is a 64-VQFN (9x9 mm) with an exposed pad (QFN-64-EP, JESD-30 S-PQCC-N64). Connect the exposed pad to the ground plane through an array of thermal vias (approximately 0.3 mm drill, filled or tented) to serve both as the primary heat conduction path and the low-inductance ground return for the 3.3 V rail. Per the family datasheet, VDD/VSS pairs must each be decoupled with low-ESR ceramic capacitors placed within a few millimeters of the pins; follow the minimal pin-connection list in the dsPIC33EPXXXGM3XX/6XX/7XX datasheet before powering up for development.
The -E grade is rated to +125C junction-compatible ambient, but sustained operation near that limit requires thermal budgeting. Estimated: a typical 3.3 V, 60 MHz dsPIC33EP DSC dissipates on the order of 150-300 mW; the dominant thermal path is the exposed pad into the PCB, so a solid ground pour and via array under the QFN are essential when the device sits in a sealed enclosure. If ambient exceeds +100C or additional margin is required, substitute the AEC-Q100 -H/MR variant rated to +150C on the identical footprint with no layout change.
The dsPIC33EP GM706 has multiple VDD/VSS and AVDD/AVSS pairs - all must be connected even if an analog domain is lightly used, or the ADC and op-amp specifications degrade. Do not power the part from an unregulated rail: the family is a 3.3 V device and the extended-temperature rating assumes supply within datasheet tolerance across -40C to +125C. Also note the tube packaging of the -E/MR part: for automated production lines, plan reflow-compatible handling or order the T (tape-and-reel) suffix to avoid manual loading.
Compliance Information
Distributor data classifies the GM706 family as automotive; the -H/MR variant is explicitly listed as AEC-Q100 qualified. RoHS/REACH status for the -E/MR suffix was not stated in the retrieved data.
