DSPIC33EV32GM003T-I/M5 - 16-Bit 5V DSC 32KB Flash | Microchip
MPN: DSPIC33EV32GM003T-I/M5 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.16 | $41.60 |
| 100 | $3.7 | $370.00 |
| 500 | $3.33 | $1,665.00 |
| 1,000 | $2.96 | $2,960.00 |
DSPIC33EV32GM003T-I/M5 Overview
A digital signal controller combines the peripheral set and control architecture of a microcontroller with the mathematical throughput of a DSP core in a single device. Within the power-management hierarchy, the dsPIC33EV sits in the microcontroller/DSC class of semiconductors and is specifically optimized for real-time control loops, where deterministic interrupt latency and fast multiply-accumulate operations drive motors, converters, and sensor systems.
Key differentiating features include 6 motor-control PWM channels, 3 integrated operational amplifiers, a Charge Time Measurement Unit (CTMU), SENT peripheral support for automotive sensor interfaces, and 4 DMA channels alongside 7 timers. The 5V-tolerant operation distinguishes the dsPIC33EV family from most 3.3V competitors, simplifying interfacing with automotive sensors and industrial 5V logic while improving noise margins in harsh electrical environments.
Architecturally, the dsPIC33E CPU implements an enhanced 16-bit modified Harvard pipeline with DSP multiply-accumulate, barrel shifter, and hardware division, enabling single-cycle MAC operation at 70 MIPS. ECC Flash protects program memory against bit errors, supporting the functional-safety (FuSa) positioning of the family. Peripherals such as the motor-control PWM with dead-time insertion directly support field-oriented motor control without external analog front-ends, because the on-chip op amps condition current-shunt signals.
Typical applications include automotive body and powertrain subsystems (SENT sensors, relay drivers), appliance motor control (fans, pumps, compressors), and industrial power conversion where a 5V DSC with integrated analog reduces bill-of-material count.
Design consideration: the 36-UQFN exposed-pad package requires a solid ground vias-in-pad PCB design; provide at least a 3x3 via array under the exposed pad to the ground plane for both thermal and electrical performance.
This page synthesizes distributor pricing tiers, drop-in alternatives within the dsPIC33EV family, and practical design notes not found in the manufacturer datasheet. Pricing references are as of 2026-09-26.
Drop-in alternatives for DSPIC33EV32GM003T-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 DSPIC33EV32GM003T-I/M5 (same form factor and footprint) — differing in Package, Operating Temperature, RoHS Status, Core, Flash Program Memory.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV128GM003T-I/M5
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV256GM003T-I/M5
✅ Drop-In✓ In Stock
$3.05 / Unit
View Datasheet →DSPIC33EV32GM003T-E/M5
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV32GM003T-H/M5
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV32GM003T-I/M5 Maximum Ratings & Electrical Characteristics
| Core | 16-bit dsPIC33E DSC |
| Maximum MIPS | 70 MIPS |
| Maximum Clock Frequency | 60 MHz |
| Supply Voltage | 5 V |
| Flash Program Memory | 32 KB (11K x 24) with ECC |
| RAM | 4 KB |
| DMA Channels | 4 |
| Timers | 7 |
| Motor Control PWM Channels | 6 |
| Integrated Op Amps | 3 |
| CTMU | Yes (Charge Time Measurement Unit) |
| SENT Peripheral | Yes |
| Package | 36-UQFN (5x5 mm), M5 |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C (I grade) |
| Functional Safety | FuSa qualified family |
| RoHS Status | Compliant |
DSPIC33EV32GM003T-I/M5 36-uqfn (5x5 mm), m5 Pin Configuration Guide
Pin configuration for DSPIC33EV32GM003T-I/M5 (36-uqfn (5x5 mm), 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 DSPIC33EV32GM003T-I/M5.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV32GM003T-I/M5 is suitable for 6 applications: Automotive Body and Sensor Subsystems, Appliance Motor Control (Fans, Pumps, Compressors), Industrial Power Conversion and Digital Power, SENT Sensor Interfaces and Smart Actuators, Precision Sensing and Measurement Front-Ends, HVAC and Compressor Control Systems.
Automotive Body and Sensor Subsystems
The DSPIC33EV32GM003T-I/M5 fits automotive body electronics because Microchip positions the dsPIC33EV family explicitly for harsh automotive environments with 5V operation and a dedicated SENT peripheral for direct interfacing with SENT-capable position, pressure, and flow sensors. The 70 MIPS DSP core executes filter and diagnostics code without external components, while ECC Flash supports the functional-safety positioning of the family. In a relay- or actuator-control module, the 6 PWM channels drive H-bridges or high-side drivers from the same 5V logic domain as the sensor, removing level shifters. Combined with -40C to +125C industrial temperature coverage (or the -E variant for extended range), a single 36-UQFN device implements sensing, processing, and actuation in automotive subsystems with quantified noise-margin advantage over 3.3V MCUs.
Recommended
Appliance Motor Control (Fans, Pumps, Compressors)
The DSPIC33EV32GM003T-I/M5 is well suited to appliance motor control because it integrates the complete drive signal chain: 6 motor-control PWM channels generate 3-phase bridge gating with dead time, 3 on-chip op amps amplify shunt-resistor current feedback, and the 70 MIPS core runs field-oriented control at fast loop rates. Microchip markets the family's safety motor-control features specifically for appliances, where 5V noise immunity helps in electrically noisy environments with relay switching and compressor start transients. The 4 DMA channels stream ADC results into RAM without CPU intervention, preserving ISR headroom for the speed-control loop. Using one 36-UQFN device instead of a 3.3V MCU plus external op-amp triple reduces board area and BOM count in cost-driven appliance platforms while supporting -40C to +125C ambient ranges.
Recommended
Industrial Power Conversion and Digital Power
In industrial power supplies, battery chargers, and DC-DC converters, the DSPIC33EV32GM003T-I/M5 provides the deterministic control backbone: the 70 MIPS dsPIC33E core executes compensation loops and power-management state machines, the 6 PWM channels produce phase-shifted or complementary outputs, and the CTMU plus integrated analog support sensing functions. The 5V I/O domain interfaces directly with industrial 5V logic and gate-driver inputs, a noise-margin advantage over 3.3V controllers in switch-mode environments with high dv/dt. The 4KB RAM and 4 DMA channels handle ADC ping-pong buffers for fast current loops. The 36-UQFN (5x5 mm) exposed-pad package keeps thermal impedance low when the controller sits near hot power stages, and ECC Flash preserves firmware integrity in electrically disturbed factory environments.
Recommended
SENT Sensor Interfaces and Smart Actuators
The DSPIC33EV32GM003T-I/M5 directly addresses SENT-based designs because Mouser's specification explicitly lists SENT support among its peripherals. SENT (Single Edge Nibble Transmission) is the automotive point-to-point sensor protocol; on-chip decoding removes the need for an external SENT receiver IC. A smart-actuator module can use this DSC to receive throttle or position data over SENT at 3 MHz tick rates, run the control law on the 70 MIPS core, and drive the actuator with the 6 PWM channels - all on a 5V rail shared with the vehicle electrical system. The 3 integrated op amps condition additional analog sensors, and CTMU supports capacitive or resistive touch/level diagnostics. ECC Flash and FuSa family positioning help meet functional-safety documentation requirements for automotive subsystems.
Recommended
Precision Sensing and Measurement Front-Ends
The DSPIC33EV32GM003T-I/M5 serves measurement designs through its Charge Time Measurement Unit (CTMU) and 3 operational amplifiers. The CTMU provides a precise constant-current source used for capacitance measurement, resistive sensing, and time-of-flight techniques, while the op amps buffer and amplify sensor signals ahead of the ADC. Running at 70 MIPS, the core performs digital filtering, linearization, and compensation in firmware with headroom to spare. The 5V supply maximizes ADC input span, improving effective resolution for ratiometric sensor bridges in industrial transmitters. The 4KB RAM and 4 DMA channels sustain continuous data streaming into buffers for waveform capture, and the -40C to +125C range suits field-installed instruments. The compact 36-UQFN (5x5 mm) package fits probe-scale and transmitter form factors.
Recommended
HVAC and Compressor Control Systems
HVAC controllers benefit from the DSPIC33EV32GM003T-I/M5's combination of motor-control PWM, 5V robustness, and industrial temperature rating. Compressor and blower drives use the 6 motor-control PWM channels with the integrated op amps for shunt-based current feedback, enabling sensorless field-oriented control implemented on the 70 MIPS DSP core. Microchip explicitly targets the family at appliances and harsh environments, and 5V I/O survives the electrically noisy conditions of contactor switching and capacitor-start motors better than 3.3V alternatives. The CTMU can monitor air-quality or humidity sensors, and SENT support serves automotive HVAC actuators. With 32KB ECC Flash, firmware implements fault diagnostics and safe-state handling demanded by appliance safety standards, while the 36-UQFN package and low external component count reduce controller PCB cost.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV32GM003T-I/M5 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV128GM003T-I/M5 | DSPIC33EV256GM003T-I/M5 | DSPIC33EV32GM003T-E/M5 |
|---|---|---|---|---|
| Package | 36-UQFN (5x5 mm, M5) | 36-UQFN (5x5 mm, M5) - same | 36-UQFN (5x5 mm, M5) - same | 36-UQFN (5x5 mm, M5) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB (11K x 24) ECC | 128 KB ECC | 256 KB ECC | 32 KB ECC |
| Performance | 70 MIPS / 60 MHz | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Temperature | -40C to +125C (I grade) | -40C to +125C | -40C to +125C | Extended automotive grade |
| Motor Control PWM | 6 channels | 6 channels | 6 channels | 6 channels |
| Integrated Op Amps | 3 | 3 | 3 | 3 |
| SENT / CTMU / DMA / Timers | SENT, CTMU, 4 DMA, 7 timers | SENT, CTMU, 4 DMA, 7 timers | SENT, CTMU, 4 DMA, 7 timers | SENT, CTMU, 4 DMA, 7 timers |
Key Differentiators
- 5V-native operation with SENT and CTMU (vs DSPIC33EV32GM003T-E/M5)
- Cost-optimized memory point in a pin-compatible family (vs DSPIC33EV256GM003T-I/M5)
- Integrated analog signal chain reduces BOM (vs 3.3V general-purpose 16-bit MCUs (e.g., dsPIC33EP family in smaller packages))
Design Notes
The 36-UQFN (5x5 mm) M5 package has an exposed thermal pad on the underside that is the primary ground connection. Place at least a 3x3 array of vias under the exposed pad tied to the ground plane, and connect all VDD/VSS pin pairs with short traces. Because this is a 5V DSC driving motor-control PWM, high di/dt loops through the decoupling capacitors - place 100 nF ceramic caps on each VDD pin within 1-2 mm and one bulk 4.7-10 uF near the supply entry. Follow Microchip's dsPIC33EV layout guidance for VCAP pin placement.
The dsPIC33EV family operates from a nominal 5V supply, which is its key robustness feature, but verify the exact VDD operating range and internal regulator (VCAP) decoupling requirements in the manufacturer datasheet before finalizing the power tree. Do not share the controller's 5V rail with noisy motor power stages without ferrite isolation and local bulk capacitance; brownout during PWM transients can reset the control loop. Enable the internal brown-out/PSV features and validate power-on-reset behavior at minimum VDD in hardware.
Memory partitioning is the most common migration pitfall in the dsPIC33EV32GM003 family: code compiled for the 32KB part runs unchanged on the 128KB/256KB siblings, but linker scripts and code-protection settings differ by memory size. Also note the M5 package reassigns peripheral pins versus other dsPIC33EV packages (SS, MM); peripheral pin-select mappings are package-dependent, so do not reuse PPS configurations across package variants without checking the pinout tables. The T prefix indicates Tape & Reel only - electrical behavior is identical to non-T parts.
SENT receive lines and motor shunt feedback are sensitive to switching noise from the 6-channel PWM. Route SENT input away from PWM traces, and use the integrated op amps with short, symmetrical shunt sensing traces (Kelvin-connected to the shunt resistor) to preserve current-signal accuracy. The 5V domain gives roughly 700 mV more noise margin than a 3.3V system, but ground bounce from high-side switching still couples into analog inputs - add small RC filters (e.g., 100 ohm / 1 nF) at ADC pins and use differential op-amp configurations where possible.
Compliance Information
RoHS compliance inferred from Microchip standard product offering for active dsPIC33EV parts; the -I suffix indicates industrial temperature. AEC-Q100 qualification applies to specific dsPIC33EV automotive variants - verify exact qualification status on the Microchip product page.
