DSPIC33EV64GM003-I/M5 - 16-bit 70 MIPS 5V DSC | Microchip
MPN: DSPIC33EV64GM003-I/M5 ✓ Active| Qty | Unit Price | Extended |
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DSPIC33EV64GM003-I/M5 Overview
A digital signal controller combines the computational architecture of a digital signal processor with the peripheral set and ease of use of a microcontroller. Within the power-management hierarchy, the DSC sits between general-purpose MCUs and dedicated DSPs, making the dsPIC33EV family ideal for real-time closed-loop control where fast multiply-accumulate operations and deterministic interrupts are required.
Key features include 5V robustness for harsh electrical environments, ECC (error-correcting code) Flash for functional safety (FuSa) designs, and a rich analog integration: 3 op amps that offload external signal-conditioning stages, plus CTMU for capacitive touch and time measurement. Up to 25 general-purpose I/O pins are available in the 36-UQFN footprint.
Architecturally, the dsPIC DSC core executes an optimized C compiler-friendly instruction set with DSP engine support (single-cycle MAC, dual operands, modulo and bit-reversed addressing), enabling sensorless FOC motor algorithms, digital power loops, and filtering at high sample rates.
Typical applications include safety motor control (BLDC, PMSM, ACIM), appliances, automotive subsystems, and industrial control where 5V noise immunity outperforms 3.3V parts.
Design consideration: confirm the -I temperature variant (-40C to +85C) suits your environment; the -E variant extends to +125C in the same footprint.
This page synthesizes distributor data, drop-in family alternatives, and design guidance not found in a single manufacturer datasheet.
Drop-in alternatives for DSPIC33EV64GM003-I/M5 — 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 DSPIC33EV64GM003-I/M5 (same form factor and footprint) — differing in Package, Core Architecture, Core, RAM, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV64GM003-E/M5
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View Datasheet →DSPIC33EV64GM003-H/M5
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV32GM003-I/M5
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$2.52 / Unit
View Datasheet →DSPIC33EV128GM103T-I/M5
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$3.52 / Unit
View Datasheet →DSPIC33EV256GM003T-I/M5
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$3.05 / Unit
View Datasheet →DSPIC33EV64GM003-I/M5 Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC DSC |
| Max Performance | 70 MIPS |
| Core Clock | 60 MHz |
| Flash Memory | 64KB (22K x 24) with ECC |
| SRAM | 8KB (8K x 8) |
| Supply Voltage Range | 4.5 V to 5.5 V |
| I/O Count | 25 |
| Motor Control PWM | 6 channels |
| On-chip Op Amps | 3 |
| CTMU | Yes (Charge Time Measurement Unit) |
| Package | 36-UQFN (5x5 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (I grade) |
| Functional Safety | FuSa supported (ECC Flash) |
| Typical Applications | Motor control, appliances, industrial, automotive |
DSPIC33EV64GM003-I/M5 36-uqfn (5x5 mm) Pin Configuration Guide
Pin configuration for DSPIC33EV64GM003-I/M5 (36-uqfn (5x5 mm) 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 DSPIC33EV64GM003-I/M5.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV64GM003-I/M5 is suitable for 6 applications: Safety Motor Control (BLDC/PMSM/ACIM), Home Appliances, Industrial Control and Automation, Automotive Body and Auxiliary Systems, Digital Power Conversion, Capacitive Sensing and CTMU-Based Measurement.
Safety Motor Control (BLDC/PMSM/ACIM)
The DSPIC33EV64GM003-I/M5 is purpose-built for safety-critical motor control, combining a 70 MIPS 16-bit DSP core with 6 motor-control PWM channels that support complementary, edge-aligned, and center-aligned outputs with dead-time insertion. The 3 on-chip op amps condition current-shunt signals internally, reducing external component count in field-oriented control (FOC) loops, while the 64KB ECC Flash detects single-bit memory faults required by functional safety (FuSa) designs. Its 5V operation gives superior noise immunity near power stages compared to 3.3V controllers. Typical firmware runs FOC current loops at 10-20 kHz with deterministic interrupt latency, leveraging single-cycle MAC instructions for the Park/Clarke transforms.
Recommended
Home Appliances
Appliance manufacturers choose the DSPIC33EV64GM003-I/M5 because its 5V robustness survives the electrically noisy environment of washing machines, refrigerators, and air conditioners, where motor switching transients and mains coupling stress 3.3V electronics. The 70 MIPS core executes sensorless BLDC control for variable-speed compressors and drum motors, while the CTMU supports low-cost capacitive touch interfaces for user panels - replacing mechanical switches. The 64KB ECC Flash provides code integrity for long product lifetimes, and the -40C to +85C -I temperature grade covers unconditioned appliance environments. On-chip op amps eliminate external signal-conditioning ICs, cutting BOM cost in high-volume appliance production.
Recommended
Industrial Control and Automation
In industrial automation, the DSPIC33EV64GM003-I/M5 serves as a real-time control node for pumps, fans, conveyors, and actuators where deterministic 70 MIPS performance and 5V noise immunity are essential. Its DSP engine (single-cycle MAC, hardware loops) implements digital power supplies, power-factor-correction stages, and closed-loop motion control at sample rates impractical for general-purpose MCUs. The 36-UQFN (5x5 mm) footprint saves PCB area in dense control cards, and the 4.5V-5.5V supply tolerates industrial rail variation directly. ECC Flash maintains program integrity across years of continuous 24/7 operation, supporting FuSa-oriented industrial designs.
Recommended
Automotive Body and Auxiliary Systems
The dsPIC33EV family is explicitly targeted by Microchip at automotive applications, and the DSPIC33EV64GM003-I/M5 fits 12V-rail auxiliary systems such as fuel pumps, cooling fans, window lifts, and throttle actuators, where its 5V core rides load-dump-conditioned rails with generous noise margin. The 6-channel motor-control PWM with fault inputs enables fast shutdown on overcurrent events, while the CTMU measures capacitive sensing for touch panels or coolant-level detection. The -I grade covers -40C to +85C; under-hood positions should select the -E variant in the same 36-UQFN footprint. ECC Flash supports ISO 26262-oriented functional-safety workflows.
Recommended
Digital Power Conversion
The DSPIC33EV64GM003-I/M5 is well suited to digital power supplies, LLC resonant converters, and PFC stages where the 70 MIPS core closes voltage and current loops at switching frequencies of 100-500 kHz with phase-shifted or complementary PWM outputs from its 6-channel motor-control PWM module. The 3 on-chip op amps buffer current-sense signals for cycle-by-cycle limiting without external amplifiers, and the 5V domain interfaces directly to gate-driver logic, improving noise margins over 3.3V controllers. ECC Flash protects control firmware integrity in always-on power infrastructure such as server PSUs and telecom rectifiers.
Recommended
Capacitive Sensing and CTMU-Based Measurement
Beyond motor control, the DSPIC33EV64GM003-I/M5 leverages its CTMU (Charge Time Measurement Unit) for precision capacitive touch keys, proximity detection, and time-of-flight-style measurements, all at 5V where sensor signal levels are inherently larger and more robust than in 3.3V systems. The 70 MIPS core processes touch-scan algorithms and filtering quickly enough to sustain responsive 100+ Hz scan rates across multiple keys. Combined with the on-chip op amps for sensor buffering, the device consolidates a touch controller plus application logic in a single 36-UQFN package, cutting system cost in appliance panels, industrial keypads, and automotive interior controls.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV64GM003-I/M5 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV64GM003-E/M5 | DSPIC33EV64GM003-H/M5 | DSPIC33EV32GM003-I/M5 | DSPIC33EV256GM003T-I/M5 |
|---|---|---|---|---|---|
| Package | 36-UQFN (5x5 mm) | 36-UQFN (5x5 mm) - same | 36-UQFN (PQCC 36) - same footprint | 36-UQFN (5x5 mm) - same | 36-UQFN (5x5 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 16-bit, 70 MIPS | 16-bit, 60-70 MIPS (per listing) | 16-bit, 70 MIPS | 16-bit, 70 MIPS | 16-bit, 70 MIPS |
| Flash Memory | 64KB (22K x 24) ECC | 64KB ECC | 64KB ECC | 32KB ECC | 256KB ECC |
| Motor Control PWM | 6 channels MC PWM | 6 channels | 6 channels | 6 channels | 6 channels |
| Operating Temperature | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (H, burn-in) | -40C to +85C (I) | -40C to +85C (I) |
| Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Analog Integration | 3 op amps, CTMU | 3 op amps, CTMU | 3 op amps, CTMU | 3 op amps, CTMU | 3 op amps, CTMU |
Key Differentiators
- 5V noise-immune operation (vs 3.3V motor-control MCUs (e.g., STM32F3 series))
- Integrated analog front end (vs DSPIC33EV32GM003-I/M5)
- Functional-safety readiness (vs DSPIC33EV64GM003-H/M5)
Design Notes
The dsPIC33EV core requires a VCAP capacitor on the internal regulator output - follow the datasheet-recommended value and low-ESR ceramic type exactly; omitting or undersizing this capacitor causes erratic operation or failure to start. Decouple each VDD pin with 0.1 uF ceramic placed within 2 mm of the pin, plus a 4.7-10 uF bulk capacitor near the supply entry. The 5V rail should be a local, well-filtered supply separate from the raw motor power rail.
In motor-control layouts, keep the motor-control PWM traces away from analog feedback lines feeding the on-chip op amps. Route current-shunt signals as Kelvin connections directly to the op-amp input pins. Place the 36-UQFN thermal pad (exposed die pad) on a grounded copper pour with an array of vias to reduce junction temperature and improve EMI performance. Reserve an in-circuit programming header for MCLR, PGD, PGC, VDD, and VSS in every design.
Do not confuse the temperature suffixes: -I is -40C to +85C; use -E (+125C) near motors or under-hood. Verify the -E variant's rated MIPS in the current datasheet before assuming full 70 MIPS at maximum temperature. Also note the /M5 is the tray-packaged UQFN; the T-suffix denotes tape-and-reel for pick-and-place volume assembly - electrically identical, order per your assembly line. Finally, PPS pin assignments must be configured in software at startup; unconfigured peripherals will not appear on expected pins.
Compliance Information
Compliance details were not stated in the provided verified web data. The family is marketed by Microchip for automotive applications; confirm RoHS/REACH/AEC-Q100 status on the official Microchip product page or its environmental data sheet before specifying.