DSPIC33EP512GM706-H/MR - 70 MIPS 512KB Flash DSC | Microchip
MPN: DSPIC33EP512GM706-H/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.12 | $9.12 |
| 10 | $8.25 | $82.50 |
| 100 | $7.4 | $740.00 |
| 500 | $6.68 | $3,340.00 |
| 1,000 | $6.05 | $6,050.00 |
DSPIC33EP512GM706-H/MR Overview
A digital signal controller combines the compute architecture of a microcontroller with the math acceleration of a DSP. Within the power management hierarchy of embedded processors, a DSC such as this sits between general-purpose MCUs and dedicated DSPs, offering deterministic single-cycle MAC (multiply-accumulate) DSP instructions plus rich on-chip peripherals. This makes the dsPIC33E family a default choice for closed-loop control systems where both fast arithmetic and flexible I/O are required in a single chip.
Key features of the DSPIC33EP512GM706-H/MR include the 70 MIPS 16-bit pipeline core, 512 KB self-programming Flash with ECC-class reliability, 48 KB of on-chip SRAM, and an automotive-grade AEC-Q100 qualification with an extended operating temperature range of -40C to +150C. On-chip peripherals include CANbus, I2C, UART, and SPI communication interfaces, four op amps plus one dedicated comparator, motor-control PWM modules, and 53 general-purpose I/O pins.
Technically, the dsPIC33E core executes DSP engine instructions such as MAC and dual-data fetch in a single cycle, supported by two address generation units and a 40-bit wide accumulator for high-precision filtering. The H temperature/qualification suffix denotes AEC-Q100 automotive screening, distinguishing it from industrial-grade I and E variants of the same die. The exposed-pad QFN package provides low thermal resistance and good ground inductance for mixed analog/digital designs.
Typical applications include precision sensorless BLDC and PMSM motor control for automotive pumps and fans, digital power conversion (PFC, LLC, solar micro-inverters), and automotive body-electronics nodes that need CAN 2.0B connectivity with local signal conditioning via the integrated op amps.
When designing, budget the supply and thermal design for the 150C ambient rating: derate the 70 MIPS operating frequency according to the datasheet frequency-versus-voltage curves, and use the exposed pad as the primary thermal and ground path on the PCB.
This page synthesizes distributor pricing, drop-in alternatives within the dsPIC33EP512GM706 family, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP512GM706-H/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-H/MR (same form factor and footprint) — differing in Operating Temperature, Package, Program Memory (Flash), RAM, Supply Voltage.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP512GM706-I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.85 / Unit
View Datasheet →DSPIC33EP512GM706-E/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.74 / Unit
View Datasheet →DSPIC33EP512GM606-H/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP512GM706-H/MR Maximum Ratings & Electrical Characteristics
| Core | 16-bit dsPIC33E DSC core |
| Max CPU Speed | 70 MIPS |
| Program Memory (Flash) | 512 KB |
| RAM | 48 KB |
| Supply Voltage | 3.3 V |
| Operating Temperature | -40C to +150C |
| I/O Pins | 53 |
| Package | 64-VQFN (9x9 mm) with exposed pad |
| Qualification | AEC-Q100 automotive |
| CAN | Yes (CANbus) |
| I2C | Yes |
| UART/SPI | Yes |
| Integrated Op Amps | 4 (plus 1 dedicated comparator) |
| Architecture | Harvard, DSP-enhanced (single-cycle MAC) |
| Mounting Type | Surface Mount |
| Packaging | Tube |
DSPIC33EP512GM706-H/MR 64-vqfn (9x9 mm) with exposed pad Pin Configuration Guide
Pin configuration for DSPIC33EP512GM706-H/MR (64-vqfn (9x9 mm) with exposed pad 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-H/MR.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP512GM706-H/MR is suitable for 6 applications: Automotive BLDC/PMSM Motor Control, Digital Power Conversion (PFC/LLC/Inverter), Automotive Body and Comfort Electronics, Industrial Motor Drives and Automation, Medical and Laboratory Instrumentation, Embedded Control and IoT Gateways.
Automotive BLDC/PMSM Motor Control
The DSPIC33EP512GM706-H/MR fits automotive motor control because its 70 MIPS DSP core executes field-oriented control (FOC) loops with single-cycle MAC instructions, while four integrated op amps condition low-mV shunt current-feedback signals without external amplifier ICs. AEC-Q100 qualification and the -40C to +150C rating cover under-hood and pump/fan module environments that exceed consumer MCU limits. In a typical sensorless PMSM drive, motor-control PWM modules drive a three-phase inverter at 16-20 kHz, the internal op amps amplify shunt currents, the 12-bit ADC samples phase currents each PWM cycle, and the FOC current loop closes at the PWM rate. The CANbus interface connects the controller to vehicle networks for command and diagnostics. Trade-off: at high ambient near 150C, verify power dissipation and frequency derating per the datasheet operating curves.
Recommended
Digital Power Conversion (PFC/LLC/Inverter)
Digital power supplies benefit directly from the DSPIC33EP512GM706-H/MR's combination of high-resolution PWM, fast 12-bit ADC, and DSP math: a 70 MIPS core closes current-mode control loops for PFC, LLC, or solar micro-inverter stages at switching frequencies of 100 kHz and above. The single-cycle MAC and 40-bit accumulator support notch filters and harmonic compensation that would be slow on a conventional MCU. The dedicated comparator plus programmable slew features support cycle-by-cycle overcurrent protection in hardware, independent of CPU load. The 3.3 V core with 5 V-tolerant style peripheral design simplifies interfacing to gate-driver logic. In an LLC resonant converter, the DSC modulates frequency and phase-shift in software, allowing adaptive burst mode and soft-start profiles impossible with fixed-function controllers. Thermal design remains important: use the exposed pad as the ground/heat path and keep gate-drive traces short.
Recommended
Automotive Body and Comfort Electronics
Body-control nodes such as window lifters, seat controllers, and lighting modules use the DSPIC33EP512GM706-H/MR because it merges AEC-Q100 reliability, a -40C to +150C range, 53 I/O pins, and native CANbus into one 9x9 mm VQFN. The 512 KB Flash supports rich firmware including LIN/CAN protocol stacks, position-tracking algorithms, and anti-pinch detection using current signatures computed by the DSP engine. The four on-chip op amps can amplify hall-sensor or shunt signals, while the dedicated comparator provides fast hardware protection for motor stall conditions. Its 48 KB RAM accommodates buffered communication and diagnostic logging. Compared with a general-purpose automotive MCU plus external analog front end, this DSC reduces BOM count and board area. Design note: implement CAN fault handling and window watchdogs per automotive functional-safety practices appropriate to your ASIL assessment.
Recommended
Industrial Motor Drives and Automation
In factory automation, the DSPIC33EP512GM706-H/MR drives servo and stepper motors in conveyors, pumps, and robotics axes. The 70 MIPS core handles multi-axis scheduling, and the DSP engine implements P-I-D, Kalman, or observer-based sensorless algorithms at kilohertz update rates. Peripheral Pin Select (PPS) routing on the dsPIC33E family lets engineers map UART, SPI, and I2C pins flexibly, easing backplane and module layout constraints. The industrial ambient range of the equivalent -40C to +125C grades integrates cleanly into sealed drive enclosures, and CANbus links multiple axes to a PLC or industrial gateway. The integrated op amps reduce external component count in current-sense paths, and hardware comparators implement fast overcurrent trips. For higher-axis-count systems, firmware remains portable to 80/100-pin GM708/GM710 siblings. Keep power and analog grounds partitioned beneath the exposed pad for best ADC accuracy.
Recommended
Medical and Laboratory Instrumentation
Portable medical and lab instruments - infusion pumps, centrifuges, blood analyzers - use the DSPIC33EP512GM706-H/MR for quiet, deterministic motor and pump control with integrated analog signal conditioning. The four op amps amplify sensor signals such as pressure bridges or optical photodiode currents, and the 12-bit ADC plus DSP filtering (IIR/FIR using single-cycle MAC) extracts clean measurements from noisy front ends. The 512 KB Flash holds multi-protocol firmware covering USB/UART interfaces, dosing algorithms, and self-test routines. Deterministic interrupt latency supports precise dosing-pump step timing, while the 48 KB RAM buffers waveform capture for diagnostics. The 3.3 V, low-power core supports battery-operated designs, and the exposed-pad QFN simplifies thermal and grounding design on dense mixed-signal boards. Ensure the applicable automotive-grade part number matches your qualification strategy; the I/E variants may be preferred for non-automotive medical builds.
Recommended
Embedded Control and IoT Gateways
As a general embedded controller, the DSPIC33EP512GM706-H/MR suits smart-building controllers, energy-monitoring gateways, and sensor aggregators that need local DSP processing plus multi-protocol connectivity. CANbus, I2C, UART, and SPI peripherals - routable through Peripheral Pin Select - connect to sensors, displays, and radios, while the 70 MIPS core runs filtering, compression, or power-metering math (e.g., RMS and harmonic analysis on sampled mains current) locally before sending summaries upstream. The 512 KB Flash permits field-updatable application images with bootloader room to spare, and 48 KB RAM buffers telemetry between radio bursts. The -40C to +150C H-grade allows deployment in outdoor or engine-bay-adjacent enclosures that exceed commercial ratings. Designers should reserve DMA channels for ADC streaming to avoid CPU stalls during concurrent communication processing.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512GM706-H/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP512GM706-I/MR | DSPIC33EP512GM706-E/MR | DSPIC33EP512GM606-H/MR |
|---|---|---|---|---|
| Package | 64-VQFN (9x9 mm) MR | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 512 KB | 512 KB | 512 KB | 256 KB |
| RAM | 48 KB | 48 KB | 48 KB | 48 KB |
| Operating Temperature | -40C to +150C (AEC-Q100) | -40C to +85C | -40C to +125C | -40C to +150C (AEC-Q100) |
| Automotive Qualification | AEC-Q100 qualified | No (industrial grade) | No (extended industrial) | AEC-Q100 qualified |
| I/O Pins | 53 | 53 | 53 | 53 |
| CAN / Connectivity | CAN, I2C, UART, SPI | CAN, I2C, UART, SPI | CAN, I2C, UART, SPI | CAN, I2C, UART, SPI |
Key Differentiators
- AEC-Q100 automotive grade with 150C rating (vs DSPIC33EP512GM706-I/MR)
- Full 512 KB Flash at same price class (vs DSPIC33EP512GM606-H/MR)
- Honest trade-off: harder rework than TQFP (vs DSPIC33EP512GM706-H/PF)
Design Notes
The 64-pin VQFN (9x9 mm) exposed pad is the primary ground and thermal path. Connect the exposed pad to a solid ground plane through a 5x5 array of vias under the pad; do not treat it as optional. Keep decoupling capacitors (100 nF per supply pin plus bulk 10 uF) within 2 mm of the VDD/VSS pin pairs. Route the VDDCORE/VCAP capacitor per the datasheet layout guidelines - the internal regulator output capacitor must be low-ESR ceramic and placed close to the pin.
The H/MR grade is rated to +150C ambient, but junction temperature limits still apply: Estimated: at 70 MIPS with heavy DSP loading, core current may approach tens of mA; multiply your measured ICC by (TJ_max - TA) headroom to check theta_JA feasibility. For designs near 150C, reduce operating frequency per the datasheet voltage-frequency derating curves and verify the ADC and Flash timing specifications at temperature. Simulate or measure board-level theta_JA with your copper pour area before finalizing the enclosure design.
Three frequent mistakes: (1) assuming the -H and -E or -I suffix parts are thermally equivalent - only the H/MR carries AEC-Q100 and the 150C rating, so substitution changes qualification status; (2) using the GM708/GM710 as drop-ins - they are firmware-compatible but use 80/100-pin packages and will not fit the 64-VQFN footprint; (3) omitting the Peripheral Pin Select (PPS) configuration in firmware, which leaves UART/SPI/I2C pins unconnected even though hardware routing exists. Verify configuration bits for watchdog and oscillator fail-safe on automotive builds.
Compliance Information
AEC-Q100 automotive qualification and -40C to +150C range confirmed by Microchip USA product description and datasheets.com listing. RoHS/REACH/lead-free status not stated in retrieved data.
