DSPIC33EV32GM003-I/M5 - 16-bit 70 MIPS 5V DSC | Microchip
MPN: DSPIC33EV32GM003-I/M5 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.95 | $3.95 |
| 10 | $3.55 | $35.50 |
| 100 | $3.16 | $316.00 |
| 500 | $2.84 | $1,420.00 |
| 1,000 | $2.52 | $2,520.00 |
DSPIC33EV32GM003-I/M5 Overview
A digital signal controller combines the compute capability of a DSP (hardware MAC, DSP engine with single-cycle multiply-accumulate) with the peripheral integration and control architecture of a microcontroller. Within the power-management hierarchy, a DSC sits above general-purpose MCUs and below application-specific ASSPs, making it a common choice for real-time closed-loop control such as field-oriented motor control and digital power conversion.
Key features of the DSPIC33EV32GM003 include a wide 1.8V to 5V operating environment with a 5V-tolerant design for harsh environments, 6 motor-control PWM channels with complementary outputs and fault protection, 3 on-chip analog op-amps, 4 DMA channels, 9 timers, and an extended-temperature variant family. The integrated op-amps reduce external component count in current-sense paths for motor drives and digital power supplies.
The architecture runs at up to 60 MHz internal clock (70 MIPS instruction rate), with ECC Flash protecting program memory integrity for functional-safety-oriented designs; DigiKey lists the family under Functional Safety (FuSa) keywords. Deep sleep and low-power modes support battery-backed and standby operating points.
Typical applications include appliance motor control (compressors, fans, pumps), automotive sensor and touch/control units operating in noisy environments, industrial drives, and digital power supplies where the 6 MC PWM channels and 3 op-amps form a compact control loop.
Design consideration: at 5V operation the UQFN exposed pad must be soldered to a solid ground pour for both thermal dissipation and EMI performance; the 36-pin UQFN 0.5 mm pitch demands careful PCB land-pattern control per the Microchip layout guidance.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33EV32GM003-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 DSPIC33EV32GM003-I/M5 (same form factor and footprint) — differing in Package, Core, Operating Temperature, RAM, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV32GM003-E/M5
✅ Drop-In✓ In Stock
$1.98 / Unit
View Datasheet →DSPIC33EV32GM003-E/M5VAO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV64GM003-I/M5
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
Contact for price
View Datasheet →DSPIC33EV128GM003-I/M5
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV256GM003-I/M5
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.35 / Unit
View Datasheet →DSPIC33EV32GM003-I/M5 Maximum Ratings & Electrical Characteristics
| Core | 16-bit dsPIC33EV DSC |
| Max MIPS | 70 MIPS |
| Internal Clock Frequency | 60 MHz |
| Program Memory (Flash) | 32 KB (11K x 24) with ECC |
| RAM | 4 KB |
| Operating Voltage Range | 1.8 V / 2.5 V / 3.3 V / 5 V |
| Motor Control PWM Channels | 6 MC PWM |
| On-chip Op-Amps | 3 |
| DMA Channels | 4 |
| Timers | 9 |
| Operating Temperature Range | -40C to +85C (I grade) |
| Package | 36-UQFN (5x5 mm) with Exposed Pad |
| Mounting Type | Surface Mount |
| Packaging | Tube |
| RoHS Status | RoHS Compliant |
| Functional Safety Support | FuSa (per DigiKey listing) |
DSPIC33EV32GM003-I/M5 36-uqfn (5x5 mm) with exposed pad Pin Configuration Guide
Pin configuration for DSPIC33EV32GM003-I/M5 (36-uqfn (5x5 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 DSPIC33EV32GM003-I/M5.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV32GM003-I/M5 is suitable for 6 applications: Appliance Motor Control, Automotive Sensor and Control Units, Industrial Drives and Automation, Digital Power Supplies and Converters, Touch and HMI Control Boards, Functional Safety Embedded Control.
Appliance Motor Control
The DSPIC33EV32GM003-I/M5 fits appliance motor control (compressors, fans, washing machines, pumps) because its 70 MIPS DSP core executes field-oriented control in real time while the 6 motor-control PWM channels generate complementary outputs with hardware fault protection for dead-time and brake control. The 3 on-chip op-amps amplify low-level shunt-resistor current feedback directly, removing external amplifiers from the phase-current sensing path and cutting BOM cost. Its 5V-robust I/O withstands the high EMI of relay switching and inverter switching inside appliances. In a typical BLDC drive, the DSC reads phase currents through the internal op-amps into its ADC, runs the FOC loop, and outputs center-aligned PWM; the integrated architecture reduces loop latency versus discrete signal chains.
Recommended
Automotive Sensor and Control Units
Microchip positions the dsPIC33EV GM family specifically for automotive sensors, touch and control units designed to operate reliably amid noise and vibration. The DSPIC33EV32GM003-I/M5 contributes 5V-tolerant I/O with high ESD robustness, ECC-protected Flash for code integrity, and an extended-temperature -E variant (DSPIC33EV32GM003-E/M5, -40C to +125C) for under-hood and near-engine environments, plus a VAO automotive-grade option (DSPIC33EV32GM003-E/M5VAO). In a position or pressure sensor node, the DSC's on-chip op-amps condition the analog front end, the DSP engine executes sensor correction algorithms, and 4 DMA channels offload data movement to keep CPU bandwidth available for the control and communication tasks.
Recommended
Industrial Drives and Automation
In industrial drives, conveyors, and factory automation nodes, the DSPIC33EV32GM003-I/M5 provides the real-time control backbone: 70 MIPS of DSP throughput for control-loop mathematics, 9 timers for task scheduling and PWM gating, and 4 DMA channels for background ADC/data transfers. The industrial -40C to +85C temperature grade matches standard factory floor requirements, and 5V I/O interfaces directly with legacy industrial logic levels and optocoupler circuits without level shifting. The ECC Flash protects firmware integrity in electrically noisy cabinet environments where switching transients are common. Because the family shares one pinout across 32KB-256KB flash options, industrial OEMs can scale firmware features across a product line on one PCB.
Recommended
Digital Power Supplies and Converters
The DSPIC33EV32GM003-I/M5 suits digitally controlled AC/DC and DC/DC converters where its 6 MC PWM channels implement phase-shifted or complementary switching with hardware dead-time control and cycle-by-cycle current limiting. The 70 MIPS core runs average-current-mode or predictive control loops at tens of kHz update rates, and the 3 on-chip op-amps condition output-current shunt signals before the ADC, reducing the external analog front end. The 5V-robust design tolerates the switching noise inherent in power conversion. The 36-pin 5x5 mm UQFN fits the compact gate-driver neighborhood typical of power boards, keeping control traces short and reducing EMI pickup in the feedback path.
Recommended
Touch and HMI Control Boards
Touch-sense and human-machine-interface control units in appliances and automotive cabins benefit from the dsPIC33EV family's noise-tolerant design. The DSPIC33EV32GM003-I/M5's 5V I/O improves signal margin against conducted EMI from nearby motor drives and relay coils, while the ECC Flash guards the touch-processing firmware. Its 70 MIPS core leaves substantial CPU headroom for capacitive-touch scanning algorithms on top of the main control task, and multiple timers provide the charge/discharge timing needed for touch acquisition. In a control-panel node, the DSC reads touch inputs, drives LEDs and small relays via PWM/GPIO, and communicates over UART/SPI to a main controller, consolidating HMI plus control in one 5x5 mm device.
Recommended
Functional Safety Embedded Control
For safety-oriented embedded control, the DSPIC33EV32GM003-I/M5 offers ECC-protected program Flash that detects and corrects single-bit memory errors, and DigiKey classifies the part under dsPIC 33EV Functional Safety (FuSa) products. Safety designs typically combine ECC with watchdog supervision, redundant ADC reads, and plausibility checks implemented in the 70 MIPS core. The wide 1.8V-5V operating range and brown-out/reset supervision help the system behave predictably through supply disturbances. Developers should pair the hardware with Microchip's functional-safety documentation and follow the validation flows defined for the dsPIC33EV family; the ECC Flash is a hardware enabler, while certification of the end system remains the designer's responsibility under the applicable safety standard.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV32GM003-I/M5 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV32GM003-E/M5 | DSPIC33EV32GM003-E/M5VAO | DSPIC33EV64GM003-I/M5 | DSPIC33EV128GM003-I/M5 | DSPIC33EV256GM003-I/M5 |
|---|---|---|---|---|---|---|
| Package | 36-UQFN (5x5 mm) EP | 36-UQFN (5x5 mm) EP - same | 36-pin UQFN/PQCC - same footprint | 36-UQFN (5x5 mm) EP - same | 36-UQFN (5x5 mm) EP - same | 36-UQFN (5x5 mm) EP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 32 KB (11K x 24) ECC | 32 KB ECC | 32 KB | 64 KB | 128 KB | 256 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| Max MIPS / Clock | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS (40 MHz core stated by vendor) | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz |
| Operating Temperature | -40C to +85C | -40C to +125C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C |
| MC PWM / Op-Amps | 6 MC PWM / 3 op-amps | 6 MC PWM / 3 op-amps | Same peripheral set | 6 MC PWM / 3 op-amps | 6 MC PWM / 3 op-amps | 6 MC PWM / 3 op-amps |
Key Differentiators
- 5V-robust operation vs 3.3V-only competitors (vs DSPIC33EV32GM003-E/M5 (and generic 3.3V MCUs))
- Extended temperature option in identical footprint (vs DSPIC33EV32GM003-E/M5)
- Scalable Flash on one PCB footprint (vs DSPIC33EV256GM003-I/M5)
- Integrated analog reduces external BOM (vs DSPIC33EV32GM002-I/SS (smaller variant))
Design Notes
The 36-pin UQFN (5x5 mm) exposed pad is the primary thermal and ground path. Create a PCB thermal pad matching the Microchip package outline, populated with a 3x3 or 4x4 via array (approx. 0.3 mm drill) stitched to internal ground planes. Follow the IPC-recommended UQFN land pattern with 0.5 mm pitch and slightly reduced pad width to control solder wicking. Verify stencil aperture design (~50-70% coverage on EP) to avoid voiding under the die.
Because the device spans 1.8V-5V operation, decide the supply rail early: running at 5V maximizes I/O noise margin for harsh appliance/industrial environments, while 3.3V reduces peripheral power. Decouple each VDD pin with 0.1 uF ceramic placed within 2-3 mm, plus one 4.7-10 uF bulk capacitor near the device. Estimated: a 70 MIPS dsPIC33EV core draws on the order of tens of mA at 5V (exact ICC per datasheet ICC vs MIPS curve), so size the local regulator accordingly.
Do not confuse temperature grades when sourcing: -I/M5 is +85C max, -E/M5 is +125C. For motor-control designs, enable the hardware fault inputs on the MC PWM peripheral so overcurrent events gate the PWM outputs in hardware rather than in software - software-only fault handling is too slow for hard-switching faults. When using the internal op-amps for shunt sensing, follow the Microchip motor-control application notes for gain-setting resistor networks and layout of the shunt-to-opamp traces as Kelvin connections.
The 5V-tolerant I/O of the dsPIC33EV family is a key EMI advantage, but fast edge rates on 60 MHz-sourced outputs still require controlled series resistance (22-100 ohm) on long traces to reduce ringing. Keep the PWM outputs to gate drivers short and routed away from the analog op-amp/shunt feedback traces; a ground guard or short analog ground island under the op-amp inputs reduces coupled switching noise in current-sense measurements.
Compliance Information
RoHS compliance stated on distributor listings (pcbelectronics.com, DigiKey). The -E/M5VAO variant addresses automotive requirements; the -I/M5 itself is not stated as AEC-Q100 qualified in the provided data.
