DSPIC33EP512GM706-H/PT - 70 MIPS 16-Bit DSC 512KB Flash | Microchip
MPN: DSPIC33EP512GM706-H/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.42 | $8.42 |
| 10 | $7.58 | $75.80 |
| 100 | $6.74 | $674.00 |
| 500 | $6.05 | $3,025.00 |
| 1,000 | $5.45 | $5,450.00 |
DSPIC33EP512GM706-H/PT Overview
A digital signal controller combines the computational architecture of a microcontroller with the DSP engine of a digital signal processor. In the embedded systems hierarchy, the dsPIC33EP sits between general-purpose 16-bit MCUs and full DSPs, offering deterministic single-cycle MAC (multiply-accumulate) instructions, DSP loops, and hardware divide support alongside conventional MCU peripherals, making it a power management IC-adjacent control device for real-time closed-loop systems.
Key features include the 70 MIPS dsPIC DSC core operating from a 3.3 V supply, integrated CAN 2.0B for industrial and automotive networking, dual on-chip operational amplifiers for current-sense signal conditioning, high-speed PWM modules suited to motor-control inverters, and multiple UART, SPI, and I2C interfaces. The -H temperature grade supports operation from -40C to +150C, extending use into high-ambient environments such as under-hood and power-conversion enclosures.
Technically, the device implements a modified Harvard architecture with a 24-bit instruction word, hardware looping, and bit-reversed addressing for FFT kernels. The analog front end pairs the op amps with high-speed 10/12-bit ADC sampling, enabling field-oriented control (FOC) of PMSM and BLDC motors without external analog conditioning stages, which reduces BOM cost and board area.
Typical applications include precision motor control for industrial drives, digital power supplies and solar inverters, automotive body and powertrain auxiliary modules requiring CAN, and general sensor-fusion DSP tasks.
Design consideration: at 70 MIPS the core draws significant transient current, so place low-ESR decoupling on every VDD pair and verify the 3.3 V rail droop during PWM switching events.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP512GM706-H/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 DSPIC33EP512GM706-H/PT (same form factor and footprint) — differing in Package, Operating Temperature, Core Architecture, Quadrature Encoder Interfaces, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP512GM706-I/PT
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33EP512GM706-E/PT
✅ Drop-In✓ In Stock
$5.4 / Unit
View Datasheet →DSPIC33EP512GM306T-I/PT
✅ Drop-In✓ In Stock
$5.31 / Unit
View Datasheet →DSPIC33EP256GM710T-I/PF
✅ Drop-In✓ In Stock
$5.4 / Unit
View Datasheet →DSPIC33EP256MC504-I/PT
✅ Drop-In✓ In Stock
$4.6 / Unit
View Datasheet →DSPIC33EP512GM706-H/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E DSC, modified Harvard |
| Maximum CPU Speed | 70 MIPS |
| Program Memory (FLASH) | 512 KB (170K x 24) |
| SRAM | 48 KB |
| Supply Voltage | 3.3 V |
| Operating Temperature | -40C to +150C (H grade) |
| Package | 64-TQFP (10x10 mm), 0.5 mm pitch |
| Mounting Type | Surface Mount |
| Communication Interfaces | CAN, I2C, SPI, UART, USART, IrDA |
| On-Chip Op Amps | Yes (integrated operational amplifiers) |
| PWM | High-speed PWM (motor control) |
| CAN Module | CAN 2.0B |
| DSP Features | Single-cycle MAC, DSP engine |
| RoHS Status | Compliant |
| Packaging | Tray |
DSPIC33EP512GM706-H/PT 64-tqfp (10x10 mm), 0.5 mm pitch Pin Configuration Guide
Pin configuration for DSPIC33EP512GM706-H/PT (64-tqfp (10x10 mm), 0.5 mm pitch 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/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP512GM706-H/PT is suitable for 6 applications: Precision Industrial Motor Control, Digital Power Conversion and Solar Inverters, Automotive Body and Auxiliary Modules, Embedded DSP and Sensor Signal Processing, Networking and Communications Gateways, Test, Measurement and Instrumentation Control.
Precision Industrial Motor Control
The DSPIC33EP512GM706-H/PT is purpose-built for field-oriented control (FOC) of PMSM and BLDC motors: its 70 MIPS DSP core executes single-cycle MAC operations fast enough for 20 kHz current loops, while the high-speed PWM peripheral with 12 motor-control channels generates complementary dead-time-controlled inverter gating. The dual on-chip op amps amplify low-level shunt-resistor current signals directly, removing external amplifier ICs and improving offset matching. Four QEI modules interface quadrature encoders for position feedback. In a typical servo-drive topology the controller sits between the encoder front end and the three-phase IGBT/MOSFET gate drivers, closing current, speed, and position cascades in software. The -40C to +150C H-grade tolerates hot drive-enclosure ambient temperatures without derating margin loss.
Recommended
Digital Power Conversion and Solar Inverters
Digital power supplies, LLC resonant converters, and solar micro-inverters demand deterministic control loops with phase-shifted or complementary PWM outputs - exactly what the DSPIC33EP512GM706-H/PT provides. Its high-speed PWM supports advanced modes with programmable dead time and trigger synchronization to the ADC, allowing average-current-mode or peak-current-mode control loops to sample at the optimal instant and avoid switching-noise corruption. The 70 MIPS core runs the compensation mathematics with ample cycle margin, while 512 KB FLASH accommodates multiple control profiles, digital communication stacks, and data logging in one image. The H temperature grade suits power-electronics enclosures where ambient temperatures routinely exceed 85C near heatsinks and magnetics.
Recommended
Automotive Body and Auxiliary Modules
Distributor data (Jotrin) classifies the DSPIC33EP512GM706-H/PT as an automotive-suitable controller, and the -H grade's -40C to +150C range matches under-hood and near-engine mounting locations. The integrated CAN 2.0B module - paired with an external transceiver - connects the node to vehicle networks for pump control, fan modules, throttle actuators, and lighting ballasts. The DSP core handles sensor fusion from position, current, and temperature channels, while the motor-control PWM drives pumps and actuators with closed-loop current limiting. 512 KB FLASH supports OEM-specific protocol stacks (UDS, XCP) alongside application firmware. Designers should verify AEC-Q100 qualification level for their exact build grade before committing to production tooling.
Recommended
Embedded DSP and Sensor Signal Processing
With a 24-bit modified Harvard architecture, hardware looping, and bit-reversed addressing, the DSPIC33EP512GM706-H/PT executes FFTs, FIR/IIR filters, and Goertzel algorithms efficiently for vibration monitoring, acoustic analysis, and predictive-maintenance sensing. The 48 KB SRAM holds substantial filter state and buffered sample windows, while integrated op amps condition microphone, accelerometer, or current-transformer signals before the on-chip ADC. The 70 MIPS core leaves cycle headroom for running the DSP kernel and a communication stack (UART, SPI, I2C, or CAN) concurrently. This makes the device a compact single-chip replacement for MCU-plus-external-DSP two-chip solutions in condition-monitoring nodes and smart industrial sensors.
Recommended
Networking and Communications Gateways
The DSPIC33EP512GM706-H/PT integrates multiple UART/USART, SPI, and I2C ports alongside CAN 2.0B, making it an effective protocol gateway between field buses and system-management links. A typical design bridges a CAN industrial bus to RS-485 or UART-based sub-systems, using the 70 MIPS core for framing, CRC, and store-and-forward buffering in the 48 KB SRAM. IrDA support covers short-range optical links in metering equipment. The 512 KB FLASH stores multiple protocol stacks plus a field-updatable bootloader, enabling firmware maintenance over the network without physical access. The wide -40C to +150C operating range allows deployment in unconditioned cabinets, rooftop installations, and other environments beyond standard industrial temperature limits.
Recommended
Test, Measurement and Instrumentation Control
Bench instruments, programmable loads, and data-acquisition front ends benefit from the DSPIC33EP512GM706-H/PT's blend of analog integration and DSP throughput. The on-chip op amps buffer sensor inputs, the ADC captures waveforms, and the 70 MIPS core performs real-time math such as RMS computation, threshold detection, and digital trimming. High-speed PWM with fine duty-cycle resolution generates stimulus signals for calibration routines and switch-mode load emulation. UART and USB-bridge connectivity (via external bridge IC) links the instrument to host software, while 512 KB FLASH stores calibration tables, multiple measurement profiles, and logging buffers. The H-grade temperature range suits portable instruments exposed to hot vehicles or outdoor environments.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512GM706-H/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP512GM706-I/PT | DSPIC33EP512GM706-E/PT | DSPIC33EP512GM306T-I/PT | DSPIC33EP256MC504-I/PT |
|---|---|---|---|---|---|
| Package | 64-TQFP (10x10) | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| FLASH Program Memory | 512 KB (170K x 24) | 512 KB | 512 KB | 256 KB | 256 KB |
| Operating Temperature | -40C to +150C (H grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| CAN Module | CAN 2.0B | CAN 2.0B | CAN 2.0B | CAN 2.0B | No (MC family) |
| On-Chip Op Amps | Yes | Yes | Yes | Yes | No |
Key Differentiators
- Extended -40C to +150C temperature range (vs DSPIC33EP512GM706-I/PT)
- Integrated dual op amps reduce BOM (vs DSPIC33EP256MC504-I/PT)
- Double the program memory of smaller family members (vs DSPIC33EP512GM306T-I/PT)
Design Notes
The dsPIC33E core at 70 MIPS draws substantial transient current on every PWM edge. Provide a dedicated 3.3 V LDO or buck with at least 300 mA headroom per controller, and place 0.1 uF ceramic decoupling on every VDD/VSS pair plus one 10 uF bulk capacitor near the package. Verify rail droop with an oscilloscope during simultaneous PWM switching and FLASH write operations - core-voltage dips below the minimum specification cause spurious resets that mimic firmware bugs. Enable the internal brown-out reset for field reliability.
The 64-TQFP 0.5 mm pitch requires care during PCB fabrication and assembly: specify solder mask defined or non-solder mask defined pads per your assembler's capability, and use a stencil thickness of 0.1-0.12 mm to avoid bridging. Route the integrated op-amp inputs as short as possible to the current-shunt nodes, guarding them with ground pour to prevent PWM-switching noise coupling into the analog front end. Separate the analog ground return of the ADC/op amps from the PWM gate-driver return path, tying them at a single star point.
Do not confuse the -H grade with unconditional use at +150C ambient: the rating is ambient operating range, and junction temperature must stay within limits once internal dissipation at 70 MIPS is added. When migrating from a -I part to -H, re-verify external components (crystal load caps, transceivers) support the same range. Also, programming the device requires a compatible ICSP tool (PICkit 3/4, ICD 3/4, REAL ICE) with current device-file support - older MPLAB versions may not recognize dsPIC33EP GM7xx silicon revisions.
Compliance Information
Distributor data (Jotrin) describes the part as automotive-suitable and 3.3 V lead-free RoHS surface mount. Exact AEC-Q100 qualification level not stated in provided data - verify with Microchip quality documentation before automotive production use.
