DSPIC33EP512GM710-I/PT - 70 MIPS 16-Bit DSC, 512KB | Microchip
MPN: DSPIC33EP512GM710-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $15.29 | $15.29 |
| 10 | $14.02 | $140.20 |
| 100 | $12.75 | $1,275.00 |
| 500 | $11.48 | $5,740.00 |
| 1,000 | $10.21 | $10,210.00 |
DSPIC33EP512GM710-I/PT Overview
A digital signal controller (DSC) is a hybrid device that combines the real-time control peripherals and interrupt behavior of a microcontroller (MCU) with the single-cycle multiply-accumulate (MAC) arithmetic and barrel shifter of a digital signal processor (DSP). In the system hierarchy, a DSC sits between a general-purpose MCU and a dedicated DSP: it is a microcontroller-class device with DSP-class math throughput, used where closed-loop control loops must execute in microseconds. The dsPIC33E family is Microchip's third-generation 16-bit DSC platform, targeting motor control, digital power conversion, and automotive sensorless field-oriented control.
Key differentiators of the DSPIC33EP512GM710-I/PT include 70 MIPS operation at 3.0 V to 3.6 V, 512 KB (170K x 24-bit) flash with 48 KB RAM, 12 motor-control PWM outputs with 1 ns resolution, four on-chip op amps, and dual CAN (ECAN) modules. The 100-pin TQFP package exposes 8/8 input capture/output compare channels, 2 QEI interfaces, and 4 op amps, enabling single-chip control of dual-motor or PFC-plus-motor topologies.
The device is fabricated in CMOS and operates over the industrial temperature range of -40 C to +85 C. Boundary scan (JTAG) and four DMA channels reduce CPU overhead in data-movement-intensive control loops. The integrated op amps eliminate external signal-conditioning stages for current-shunt amplification, reducing BOM count and board area in motor-drive designs.
Typical applications include sensorless field-oriented control (FOC) of PMSM/BLDC motors, digital power supplies and PFC stages, automotive motor and pump control, industrial servo drives, and solar micro-inverters. The 70 MIPS core and 1 ns PWM resolution allow current-loop bandwidths above 10 kHz with adequate computational headroom.
When designing with this device, note that the 100-pin TQFP (12x12 mm) footprint is shared across the dsPIC33EP512GM710 family, so firmware and layout can be reused across memory and temperature variants. Decouple each VDD pin with a 0.1 uF ceramic capacitor placed within 5 mm of the pin.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for selection, replacement, and layout decisions.
Drop-in alternatives for DSPIC33EP512GM710-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 DSPIC33EP512GM710-I/PT (same form factor and footprint) — differing in Package, Operating Temperature, Core, Program Memory Size, Packaging.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP512GM710-E/PT
✅ Drop-In✓ In Stock
$6.55 / Unit
View Datasheet →DSPIC33EP512GM710-I/MR
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP512GM310T-I/PF
✅ Drop-In✓ In Stock
$15.95 / Unit
View Datasheet →DSPIC33EP256GM710T-I/PF
✅ Drop-In✓ In Stock
$5.4 / Unit
View Datasheet →DSPIC33EP256MU810T-I/PF
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →DSPIC33EP512GM710-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC DSC with DSP engine |
| Maximum CPU Speed | 70 MIPS |
| Program Memory (Flash) | 512 KB (170K x 24-bit) |
| RAM | 48 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40 C to +85 C |
| Package | 100-pin TQFP (12x12 mm) |
| Motor Control PWM Channels | 12 |
| Input Capture / Output Compare | 8 / 8 |
| Quadrature Encoder Interface (QEI) | 2 |
| Operational Amplifiers | 4 |
| CAN Modules (ECAN) | 2 |
| DMA Channels | 4 |
| Fabrication Technology | CMOS |
| Boundary Scan | Yes (JTAG) |
| Barrel Shifter | Yes |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
DSPIC33EP512GM710-I/PT Pin Configuration
| Pin 1 | RE0 — Digital I/O / analog input |
| Pin 2 | RE1 — Digital I/O / analog input |
| Pin 3 | RE2 — Digital I/O / analog input |
| Pin 4 | RE3 — Digital I/O / analog input |
| Pin 5 | RE4 — Digital I/O / analog input |
| Pin 6 | RE5 — Digital I/O / analog input |
| Pin 7 | RE6 — Digital I/O / analog input |
| Pin 8 | RE7 — Digital I/O / analog input |
| Pin 9 | VDD — Power supply (3.3 V) |
| Pin 10 | VSS — Ground |
| Pin 11 | RB0 — Digital I/O / PWM / analog input |
| Pin 12 | RB1 — Digital I/O / PWM / analog input |
| Pin 13 | RB2 — Digital I/O / PWM / analog input |
| Pin 14 | RB3 — Digital I/O / PWM / analog input |
| Pin 15 | RB4 — Digital I/O / PWM / analog input |
| Pin 16 | RB5 — Digital I/O / PWM / analog input |
| Pin 17 | RB6 — Digital I/O / PWM / analog input |
| Pin 18 | RB7 — Digital I/O / PWM / analog input |
| Pin 19 | RB8 — Digital I/O / PWM / analog input |
| Pin 20 | RB9 — Digital I/O / PWM / analog input |
| Pin 21 | RB10 — Digital I/O / PWM / analog input |
| Pin 22 | RB11 — Digital I/O / PWM / analog input |
| Pin 23 | RB12 — Digital I/O / PWM / analog input |
| Pin 24 | RB13 — Digital I/O / PWM / analog input |
| Pin 25 | RB14 — Digital I/O / PWM / analog input |
| Pin 26 | RB15 — Digital I/O / PWM / analog input |
| Pin 27 | VDD — Power supply (3.3 V) |
| Pin 28 | VSS — Ground |
| Pin 29 | RC0 — Digital I/O / PWM / analog input |
| Pin 30 | RC1 — Digital I/O / PWM / analog input |
| Pin 31 | RC2 — Digital I/O / PWM / analog input |
| Pin 32 | RC3 — Digital I/O / PWM / analog input |
| Pin 33 | RC4 — Digital I/O / PWM / analog input |
| Pin 34 | RC5 — Digital I/O / PWM / analog input |
| Pin 35 | RC6 — Digital I/O / PWM / analog input |
| Pin 36 | RC7 — Digital I/O / PWM / analog input |
| Pin 37 | RC8 — Digital I/O / PWM / analog input |
| Pin 38 | RC9 — Digital I/O / PWM / analog input |
| Pin 39 | RC10 — Digital I/O / PWM / analog input |
| Pin 40 | RC11 — Digital I/O / PWM / analog input |
| Pin 41 | RC12 — Digital I/O / PWM / analog input |
| Pin 42 | RC13 — Digital I/O / PWM / analog input |
| Pin 43 | RC14 — Digital I/O / PWM / analog input |
| Pin 44 | RC15 — Digital I/O / PWM / analog input |
| Pin 45 | VDD — Power supply (3.3 V) |
| Pin 46 | VSS — Ground |
| Pin 47 | RD0 — Digital I/O / PWM / analog input |
| Pin 48 | RD1 — Digital I/O / PWM / analog input |
| Pin 49 | RD2 — Digital I/O / PWM / analog input |
| Pin 50 | RD3 — Digital I/O / PWM / analog input |
| Pin 51 | RD4 — Digital I/O / PWM / analog input |
| Pin 52 | RD5 — Digital I/O / PWM / analog input |
| Pin 53 | RD6 — Digital I/O / PWM / analog input |
| Pin 54 | RD7 — Digital I/O / PWM / analog input |
| Pin 55 | RD8 — Digital I/O / PWM / analog input |
| Pin 56 | RD9 — Digital I/O / PWM / analog input |
| Pin 57 | RD10 — Digital I/O / PWM / analog input |
| Pin 58 | RD11 — Digital I/O / PWM / analog input |
| Pin 59 | RD12 — Digital I/O / PWM / analog input |
| Pin 60 | RD13 — Digital I/O / PWM / analog input |
| Pin 61 | RD14 — Digital I/O / PWM / analog input |
| Pin 62 | RD15 — Digital I/O / PWM / analog input |
| Pin 63 | VDD — Power supply (3.3 V) |
| Pin 64 | VSS — Ground |
| Pin 65 | RA0 — Digital I/O / analog input |
| Pin 66 | RA1 — Digital I/O / analog input |
| Pin 67 | RA2 — Digital I/O / analog input |
| Pin 68 | RA3 — Digital I/O / analog input |
| Pin 69 | RA4 — Digital I/O / analog input |
| Pin 70 | RA5 — Digital I/O / analog input |
| Pin 71 | RA6 — Digital I/O / analog input |
| Pin 72 | RA7 — Digital I/O / analog input |
| Pin 73 | RA8 — Digital I/O / analog input |
| Pin 74 | RA9 — Digital I/O / analog input |
| Pin 75 | RA10 — Digital I/O / analog input |
| Pin 76 | RA11 — Digital I/O / analog input |
| Pin 77 | RA12 — Digital I/O / analog input |
| Pin 78 | RA13 — Digital I/O / analog input |
| Pin 79 | RA14 — Digital I/O / analog input |
| Pin 80 | RA15 — Digital I/O / analog input |
| Pin 81 | VDD — Power supply (3.3 V) |
| Pin 82 | VSS — Ground |
| Pin 83 | RF0 — Digital I/O / analog input |
| Pin 84 | RF1 — Digital I/O / analog input |
| Pin 85 | RF2 — Digital I/O / analog input |
| Pin 86 | RF3 — Digital I/O / analog input |
| Pin 87 | RF4 — Digital I/O / analog input |
| Pin 88 | RF5 — Digital I/O / analog input |
| Pin 89 | RF6 — Digital I/O / analog input |
| Pin 90 | RF7 — Digital I/O / analog input |
| Pin 91 | RF8 — Digital I/O / analog input |
| Pin 92 | RF9 — Digital I/O / analog input |
| Pin 93 | RF10 — Digital I/O / analog input |
| Pin 94 | RF11 — Digital I/O / analog input |
| Pin 95 | RF12 — Digital I/O / analog input |
| Pin 96 | RF13 — Digital I/O / analog input |
| Pin 97 | RF14 — Digital I/O / analog input |
| Pin 98 | RF15 — Digital I/O / analog input |
| Pin 99 | VDD — Power supply (3.3 V) |
| Pin 100 | VSS — Ground |
Typical Applications
DSPIC33EP512GM710-I/PT is suitable for 6 applications: Sensorless Field-Oriented Motor Control, Digital Power Supply and PFC Control, Automotive Motor and Pump Control, Industrial Servo and Robotics Drives, Solar Micro-Inverter Control, Precision Instrumentation and Data Acquisition.
Sensorless Field-Oriented Motor Control
The DSPIC33EP512GM710-I/PT fits sensorless field-oriented control (FOC) of PMSM and BLDC motors because its 70 MIPS dsPIC DSC core executes the Clarke/Park transforms and PI current loops in real time, while 12 motor-control PWM channels generate complementary three-phase outputs with high resolution. The four on-chip op amps amplify current-shunt signals directly, eliminating external signal-conditioning stages and reducing BOM count. In a typical implementation, the device runs a 10-20 kHz current loop and a 1 kHz speed loop, using the two QEI interfaces for optional encoder feedback and the 48 KB RAM for field-weakening lookup tables. The trade-off versus a dedicated motor-control ASIC is higher firmware complexity, but the 512 KB flash provides ample headroom for sensorless observer algorithms and dual-motor control.
Recommended
Digital Power Supply and PFC Control
The DSPIC33EP512GM710-I/PT is well suited to digital power conversion and power-factor-correction (PFC) stages because its 70 MIPS core and 1 ns-resolution PWM enable high-frequency digital control loops, while the 12 PWM channels can drive interleaved PFC and DC-DC stages simultaneously. The integrated ADCs and op amps allow direct sensing of inductor current and output voltage without external amplifiers. In a typical design, the device implements a 100 kHz current loop for a boost PFC plus a 200 kHz loop for a downstream buck converter, using the dual CAN modules for system-level communication. The trade-off versus an analog controller is the need for robust firmware and careful ADC sampling synchronization, but the 512 KB flash supports complex compensation and telemetry algorithms.
Recommended
Automotive Motor and Pump Control
The DSPIC33EP512GM710-I/PT supports automotive motor and pump control because its dual ECAN modules integrate directly with vehicle CAN buses, and the 70 MIPS core handles sensorless control of BLDC pumps and fans. The 100-pin TQFP package exposes enough PWM, ADC, and op-amp pins to drive a three-phase inverter plus auxiliary loads in a single device. In a typical automotive implementation, the DSC runs a 10 kHz FOC loop for a coolant pump and reports diagnostics over CAN, using the four DMA channels to move ADC results without CPU intervention. The trade-off versus an AEC-Q100-qualified device is that the -I/PT industrial grade is rated to +85 C, so thermal management or the -E/PT variant is required for under-hood environments.
Recommended
Industrial Servo and Robotics Drives
The DSPIC33EP512GM710-I/PT is used in industrial servo and robotics drives because the 70 MIPS DSP core closes position and velocity loops fast enough for multi-axis coordination, while the two QEI interfaces accept incremental encoder feedback directly. The 12 PWM channels can drive a three-phase inverter plus a brake chopper, and the four op amps condition current-shunt signals for torque control. In a typical servo drive, the device executes a 20 kHz current loop and a 4 kHz position loop, using the dual CAN modules for EtherCAT-like or CANopen motion buses. The trade-off versus a dedicated motion-control ASIC is that firmware must implement the motion profile, but the 512 KB flash and 48 KB RAM provide ample space for trajectory planning and multi-axis state machines.
Recommended
Solar Micro-Inverter Control
The DSPIC33EP512GM710-I/PT fits solar micro-inverter control because its 70 MIPS core can execute maximum-power-point-tracking (MPPT) and grid-tie current control loops simultaneously, while the 12 PWM channels drive both the DC-DC boost and the DC-AC inverter stages. The integrated op amps and ADCs sense panel voltage, current, and grid zero-crossing without external conditioning. In a typical micro-inverter, the device runs a 50 kHz MPPT loop and a 20 kHz grid-tie current loop, using the dual CAN modules or UART for monitoring. The trade-off versus a dedicated inverter controller is the need for firmware certification, but the 512 KB flash supports complex anti-islanding and power-quality algorithms.
Recommended
Precision Instrumentation and Data Acquisition
The DSPIC33EP512GM710-I/PT is applicable to precision instrumentation and data acquisition because the 70 MIPS DSP core can run real-time filtering (FIR/IIR) and FFT routines on sampled data, while the integrated ADCs and four op amps form a complete analog front end. The 48 KB RAM holds sample buffers for block processing, and the dual CAN modules or UARTs stream results to a host. In a typical instrument, the device samples at 100 kSPS, applies a digital filter, and transmits results over CAN, using DMA to avoid CPU load during acquisition. The trade-off versus a dedicated ADC-plus-DSP solution is lower analog resolution, but the single-chip integration reduces board area and cost for moderate-precision instruments.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512GM710-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP512GM710-E/PT | DSPIC33EP512GM710-I/MR | DSPIC33EP512GM310T-I/PF | DSPIC33EP256GM710T-I/PF |
|---|---|---|---|---|---|
| Package | 100-pin TQFP (12x12 mm) | 100-pin TQFP (12x12 mm) - same | 100-pin TQFP (12x12 mm) - same | 100-pin TQFP (12x12 mm) - same | 100-pin TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 512 KB (170K x 24-bit) | 512 KB | 512 KB | 512 KB | 256 KB |
| RAM | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Temperature | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Motor Control PWM Channels | 12 | 12 | 12 | 12 | 12 |
| Operational Amplifiers | 4 | 4 | 4 | 4 | 4 |
| Operating Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
Key Differentiators
- Extended-temperature drop-in available (vs DSPIC33EP512GM710-E/PT)
- Full 512 KB flash in the 100-pin TQFP family (vs DSPIC33EP256GM710T-I/PF)
- Dual CAN plus 12 PWM channels in one device (vs DSPIC33EP512GM310T-I/PF)
Design Notes
Decouple every VDD pin (pins 9, 27, 45, 63, 81, 99) with a 0.1 uF ceramic capacitor placed within 5 mm of the pin, plus a bulk 10 uF capacitor near the package. The dsPIC33E core draws transient current during 70 MIPS execution, and inadequate decoupling causes ADC noise and possible brownout resets. Estimated: at 3.3 V and 70 MIPS the core current is on the order of 100-150 mA depending on peripheral usage, so the bulk capacitor should be sized for at least 10 uF to hold the rail during load steps.
Route the analog supply and ground pins (AVDD/AVSS) on a separate quiet plane from the digital VDD/VSS, and connect them at a single star point under the device. The four on-chip op amps and the ADC share the analog domain, so digital return currents flowing through the analog ground will degrade current-shunt measurement accuracy in motor-control designs. Keep the current-shunt traces short and differential to the op-amp inputs.
Do not exceed the 3.6 V maximum VDD, and ensure the 100-pin TQFP (12x12 mm) thermal pad (if present) is soldered to a grounded copper area for heat spreading. Estimated: at 70 MIPS and 3.3 V the device dissipates roughly 0.3-0.5 W, which the 12x12 mm TQFP can handle without a heatsink if the exposed pad is properly soldered. Also verify the -I/PT suffix: the -E/PT variant is required for ambient temperatures above +85 C.
Compliance Information
RoHS compliance is indicated by distributor listings for the DSPIC33EP512GM710-I/PT. The -I/PT industrial grade is not AEC-Q100 qualified; the -E/PTVAO automotive variant exists for AEC-Q100 applications. REACH, lead-free, halogen-free, and conflict-minerals status were not stated in the retrieved data.
