DSPIC33EV32GM003-E/M5 - 16-bit 5V DSC 32KB Flash 60MHz | Microchip
MPN: DSPIC33EV32GM003-E/M5 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.16 | $4.16 |
| 10 | $3.74 | $37.40 |
| 100 | $3.12 | $312.00 |
| 500 | $2.45 | $1,225.00 |
| 1,000 | $1.98 | $1,980.00 |
DSPIC33EV32GM003-E/M5 Overview
A digital signal controller combines the compute throughput of a DSP with the peripheral integration and control peripherals of a microcontroller. Within the power management hierarchy, the DSC sits between a general-purpose MCU and a standalone DSP, making it the natural choice for real-time control loops such as field-oriented motor control and digitally controlled power supplies.
Key features include Error Correction Code (ECC) Flash for functional-safety-oriented designs, six motor-control PWM channels with dead-time insertion, three on-chip operational amplifiers that reduce external analog component count, a Charge Time Measurement Unit (CTMU) for capacitive touch and time-based measurement, and a SENT peripheral conforming to automotive sensor interfaces. The 5V operation provides superior noise immunity in harsh electrical environments compared to 3.3V controllers.
Architecturally, the dsPIC33EV core uses a modified Harvard pipeline with DSP multiply-accumulate instructions, multiple internal buses, 4 DMA channels, and 9 timers, enabling single-cycle MAC operations on 16-bit data. The extended temperature -40C to +125C rating (E suffix) and AEC-Q100 qualification target automotive and industrial deployment.
Typical applications include safety-critical BLDC/PMSM motor control, automotive body and powertrain subsystems, appliance motor drives, and industrial power conversion. The onboard op amps interface directly with current shunts for closed-loop control without external amplifiers.
Design consideration: the exposed pad is the primary thermal and ground path; connect it to a solid ground plane with multiple vias to meet thermal and EMC targets.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design guidance not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EV32GM003-E/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-E/M5 (same form factor and footprint) — differing in Package, RAM, RoHS Status, Core, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV256GM003T-I/M5
✅ Drop-In✓ In Stock
$3.05 / Unit
View Datasheet →DSPIC33EV128GM103T-I/M5
✅ Drop-In✓ In Stock
$3.52 / Unit
View Datasheet →DSPIC33EV32GM003-I/M5
✅ Drop-In✓ In Stock
$2.52 / Unit
View Datasheet →DSPIC33EV32GM003-E/M5VAO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV32GM003-E/M5 Maximum Ratings & Electrical Characteristics
| Core | dsPIC33EV 16-bit DSC |
| Core Speed | 60 MHz |
| Family MIPS Rating | 70 MIPS |
| Program Memory | 32KB Flash (ECC) |
| RAM | 4KB |
| Operating Voltage | 1.8V / 2.5V / 3.3V / 5V |
| Motor Control PWM Channels | 6 MC PWM |
| On-chip Op Amps | 3 |
| CTMU | Yes (Charge Time Measurement Unit) |
| SENT Peripheral | Yes |
| DMA Channels | 4 |
| Timers | 9 |
| Operating Temperature | -40C to +125C |
| Package | 36-UQFN Exposed Pad (M5) |
| Mounting Type | Surface Mount |
| Qualification | AEC-Q100, Automotive |
| RoHS Status | Compliant |
DSPIC33EV32GM003-E/M5 36-uqfn exposed pad (m5) Pin Configuration Guide
Pin configuration for DSPIC33EV32GM003-E/M5 (36-uqfn exposed pad (m5) 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-E/M5.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV32GM003-E/M5 is suitable for 6 applications: Safety-Critical Motor Control, Automotive Sensor Interfaces, Appliance Motor Drives, Industrial Power Conversion, Capacitive Touch and HMI, Automotive Body Electronics.
Safety-Critical Motor Control
The DSPIC33EV32GM003-E/M5 fits motor-control applications through its six motor-control PWM channels with dead-time insertion and three on-chip op amps that condition shunt-resistor current feedback without external amplifiers. Running the 16-bit DSP core at 60 MHz with single-cycle MAC instructions enables field-oriented control (FOC) loops at switching frequencies typical of BLDC and PMSM drives. The 5V supply provides superior gate-drive interface noise margin, and ECC Flash protects the control firmware against bit upsets in noisy inverter environments. Placed directly on the inverter control board, the exposed-pad UQFN grounds to the power plane, trimming EMI at the source. The AEC-Q100 qualification and -40C to +125C range allow use in automotive traction-adjacent and pump/fan drives.
Recommended
Automotive Sensor Interfaces
The integrated SENT peripheral makes the DSPIC33EV32GM003-E/M5 directly suitable for automotive sensor-to-ECU connectivity, since SENT (Single Edge Nibble Transmission) is the de facto standard for throttle-position, pressure, and level sensors in vehicles. According to Microchip, the dsPIC33EV family targets automotive applications explicitly, backed by AEC-Q100 qualification and -40C to +125C operation of the E-grade device. The CTMU supports capacitive and time-domain measurements for touch interfaces or precision timing checks. With 5V I/O, the controller drives long harness lines with better noise margin than 3.3V parts, reducing error rates on asynchronous links. ECC Flash preserves calibration and firmware integrity across the vehicle's operational life and temperature cycling.
Recommended
Appliance Motor Drives
Household appliances such as washing machines, refrigerators, and dishwashers use BLDC compressors and drum motors that require robust, low-cost closed-loop control - a natural fit for the DSPIC33EV32GM003-E/M5. Microchip's dsPIC33EV family is explicitly positioned for appliances and other harsh environments, where 5V operation withstands relay-click transients and mains-borne EMI near the motor drive. The three on-chip op amps read shunt currents for trapezoidal or sensorless FOC control, cutting BOM cost versus discrete amplifier solutions. The 32KB ECC Flash accommodates a complete single-shunt FOC stack, while the 36-pin UQFN keeps controller area compact on crowded appliance PCBs. The -40C to +125C E-grade tolerates enclosure hot spots near compressor electronics.
Recommended
Industrial Power Conversion
Digital power supplies, solar micro-inverters, and telecom rectifiers benefit from the DSPIC33EV32GM003-E/M5's DSP-class arithmetic and six PWM channels capable of phase-shifted or complementary topologies. The 70 MIPS-class core executes control-law computations with single-cycle multiply-accumulate, sustaining loop rates in the tens of kilohertz needed for tight regulation. The 5V supply interfaces naturally with gate-driver logic levels and industrial signaling standards, and the extended -40C to +125C rating suits factory-floor ambient extremes. The CTMU can support precision time measurement for synchronous-buck timing checks, while DMA offloads ADC result transfers so the CPU concentrates on the control loop. ECC Flash adds resilience against radiated industrial noise corrupting firmware.
Recommended
Capacitive Touch and HMI
The Charge Time Measurement Unit (CTMU) of the DSPIC33EV32GM003-E/M5 enables capacitive touch sensing, allowing appliance and industrial panels to integrate user interfaces into the same controller that runs the application - eliminating a separate touch IC. The CTMU measures charge time on sensing pads with resolution sufficient for reliable key detection through glass or plastic overlays, and Microchip provides family-supported touch libraries within the MPLAB ecosystem. Five-volt I/O delivers stronger drive and better noise immunity for keypad matrices and LED indicators in electrically noisy environments. With 4KB RAM and 32KB ECC Flash, the device concurrently runs touch decoding, display multiplexing, and the main control loop, and the -40C to +125C range covers unheated outdoor panels.
Recommended
Automotive Body Electronics
Body-control functions such as window lifters, seat adjustment, wiper control, and lighting modules require a controller that survives the vehicle's severe electrical environment - precisely the design target of the DSPIC33EV32GM003-E/M5 with its AEC-Q100 qualification, 5V I/O, and -40C to +125C rating. The six motor-control PWM channels drive DC-motor H-bridges for seat and window actuators with current-limiting feedback through the on-chip op amps. The SENT peripheral can read dedicated sensor nodes, and 4 DMA channels maintain communication throughput on CAN-adjacent subsystems without CPU bottleneck. ECC Flash protects firmware from the electromagnetic transients of load-dump and switching events, supporting long-term field reliability demanded by automotive OEM programs.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV32GM003-E/M5 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV256GM003T-I/M5 | DSPIC33EV128GM103T-I/M5 | DSPIC33EV32GM003-I/M5 | DSPIC33EV32GM002-I/SS |
|---|---|---|---|---|---|
| Package | 36-UQFN Exposed Pad (M5) | 36-UQFN Exposed Pad (M5) - same | 36-UQFN Exposed Pad (M5) - same | 36-UQFN Exposed Pad (M5) - same | 28-SSOP - different footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32KB ECC Flash | 256KB ECC Flash | 128KB ECC Flash | 32KB ECC Flash | 32KB ECC Flash |
| Core Speed | 60 MHz | 60 MHz | 60 MHz | 60 MHz | 60 MHz |
| Operating Temperature | -40C to +125C | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| Motor Control PWM | 6 MC PWM | 6 MC PWM | 6 MC PWM | 6 MC PWM | 6 MC PWM |
| On-chip Op Amps | 3 | 3 | 3 | 3 | 3 |
| SENT / CTMU Peripherals | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes |
Key Differentiators
- Extended -40C to +125C operation at standard pricing (vs DSPIC33EV32GM003-I/M5)
- In-family flash scaling without board rework (vs DSPIC33EV256GM003T-I/M5)
- 5V operation for harsh-environment noise immunity (vs DSPIC33EV32GM002-I/SS)
- Integrated analog front-end (vs Generic competitor MCUs (no cross-brand drop-in found))
Design Notes
Connect the exposed pad of the 36-UQFN (M5) package directly to a solid ground plane using an array of thermal vias (typically 3x3 under the pad). The exposed pad is the primary heat-removal and ground-return path; leaving it unconnected raises junction temperature and degrades EMC performance. Follow Microchip's dsPIC33EV family layout guidance for QFN footprints, and keep the 0.1uF VDD decoupling capacitors within 2 mm of their supply pins with direct via access to ground.
The DSPIC33EV32GM003-E/M5 is designed around a 5V supply but tolerates 1.8V/2.5V/3.3V operation; performance and noise immunity are optimized at 5V per Microchip's family positioning. When running at 5V near inverter power stages, add a local LC or ferrite filter on VDD to attenuate switching ripple, and route high-current PWM ground returns away from the analog ground of the on-chip op-amp shunt inputs. Estimated: keep star-ground separation between PWM gate-drive returns and ADC/op-amp grounds to preserve current-feedback accuracy.
Do not substitute the E-grade part for the I-grade (or vice versa) without checking the required temperature range: the E suffix is -40C to +125C while I suffix is -40C to +85C; automotive programs generally require the E grade. Also verify Flash margin: 32KB fills quickly once a full FOC stack plus communication protocol (SENT, UART, SPI) is included - if firmware exceeds roughly 24KB, plan migration to the footprint-identical DSPIC33EV256GM003T-I/M5 to avoid a board respin.
The six motor-control PWM outputs switching at tens of kilohertz with fast edges are the dominant EMI source on boards using this DSC. Keep PWM traces short, series-terminate near the driver pin (Estimated: 22-47 ohm resistor is a common starting point), and avoid routing PWM lines adjacent to op-amp shunt feedback traces. Use the internal dead-time insertion rather than software-delayed edges to guarantee consistent dead time across temperature.
Compliance Information
Automotive AEC-Q100 qualification confirmed by distributor listings (Hotenda, Mouser). RoHS and lead-free status per standard Microchip leaded-free packaging; REACH and halogen-free status not stated in provided data.
