DSPIC33EV32GM102-E/MM - 16-bit 5V DSC 32KB Flash | Microchip
MPN: DSPIC33EV32GM102-E/MM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.16 | $41.60 |
| 100 | $3.71 | $371.00 |
| 500 | $3.34 | $1,670.00 |
| 1,000 | $3.02 | $3,020.00 |
DSPIC33EV32GM102-E/MM Overview
A digital signal controller combines the computational architecture of a digital signal processor with the peripherals and ease of use of a microcontroller, occupying a node in the product hierarchy: DSC -> microcontroller -> embedded processor -> semiconductor. DSCs are optimized for real-time control loops such as field-oriented motor control, digital power conversion, and sensor signal processing.
Key features include the 5V robust core that eliminates level-shifting in industrial and automotive 5V systems, an integrated CAN bus interface for vehicular and industrial networking, 16-bit Sigma-Delta and high-speed ADC peripherals, PWM modules for motor and power control, and functional-safety (FuSa) support documentation. The E-grade temperature rating supports harsh environments where consumer-grade parts would fail.
Technically, the dsPIC33EV implements a modified Harvard architecture with DSP instruction extensions (MAC, DSP multiply-accumulate), a 16-bit W register file, and hardware looping, enabling single-cycle DSP operations at 70 MIPS. Supply voltage spans 4.5V to 5.5V nominally at 5.0V. Flash is self-programmable, supporting in-field firmware updates.
Typical applications include BLDC/PMSM motor control in appliances, automotive body and powertrain subsystems (AEC-Q100 qualified family), industrial power supplies, and CAN-networked sensor nodes.
Design consideration: budget decoupling capacitance on both VDD pins and place the exposed thermal pad land pattern per the datasheet to maximize ground integrity and heat dissipation.
This page synthesizes verified distributor data, drop-in alternatives, and engineering design guidance beyond the manufacturer datasheet for one-stop component evaluation.
Drop-in alternatives for DSPIC33EV32GM102-E/MM — 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 DSPIC33EV32GM102-E/MM (same form factor and footprint) — differing in Operating Temperature, Package, RoHS Status, Supply Voltage Range, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV32GM102-I/MM
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.02 / Unit
View Datasheet →DSPIC33EV32GM102-H/MM
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV32GM002-E/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV128GM102T-I/MM
✅ Drop-In✓ In Stock
$2.98 / Unit
View Datasheet →DSPIC33EV64GM102-E/MM
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.98 / Unit
View Datasheet →DSPIC33EP64MC502-E/MM
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.05 / Unit
View Datasheet →DSPIC33EV32GM102-E/MM Maximum Ratings & Electrical Characteristics
| Core | dsPIC33EV 16-bit DSC |
| Maximum CPU Speed | 70 MIPS |
| Program Memory Size | 32KB (11K x 24) Flash |
| RAM Size | 4KB |
| Supply Voltage Range | 4.5 V to 5.5 V |
| Operating Temperature | -40C to +125C (E grade) |
| Package | 28-QFN-S (6x6 mm), exposed pad |
| Package Code | MM |
| Mounting Type | Surface Mount |
| CAN Interface | Yes (integrated CAN) |
| Qualification | AEC-Q100 qualified family |
| Functional Safety Support | Yes (FuSa documentation available) |
| Data Bus Width | 16 bit |
| RoHS Status | Compliant |
| Series | dsPIC33EV32GM1 |
| Application Class | Automotive, Industrial, Appliance |
DSPIC33EV32GM102-E/MM mm Pin Configuration Guide
Pin configuration for DSPIC33EV32GM102-E/MM (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 DSPIC33EV32GM102-E/MM.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV32GM102-E/MM is suitable for 6 applications: BLDC/PMSM Motor Control, Automotive Body and Powertrain Nodes, Digital Power Conversion, Home Appliance Control, Industrial Sensor Interfaces, CAN-Networked Embedded Control.
BLDC/PMSM Motor Control
The DSPIC33EV32GM102-E/MM fits motor-control applications through its 70 MIPS 5V DSP core, dedicated PWM modules, and high-speed ADC that can trigger conversions synchronized to the PWM period for field-oriented control (FOC) current loops. The single-cycle MAC and DSP instruction set executes Clarke/Park transforms and PI loops without floating-point overhead, while the 5V core tolerates noisy industrial power rails that would disturb 3.3V controllers. In a typical BLDC drive, the controller runs commutation at 16-20 kHz PWM, sampling phase currents each cycle; the integrated comparator and op-amp peripherals reduce external component count. The E-grade -40C to +125C rating supports thermally harsh appliance compressor and fan-drive environments near power stages.
Recommended
Automotive Body and Powertrain Nodes
In automotive subsystems such as pump drivers, valve controls, HVAC actuators, and lighting modules, the DSPIC33EV32GM102-E/MM aligns with requirements on three fronts: the AEC-Q100 qualified dsPIC33EV family, the -40C to +125C E-grade temperature range, and the integrated CAN interface for in-vehicle networking. According to Microchip, the 5V dsPIC33EV family is specifically targeted at harsh automotive environments where 5V signaling improves noise immunity over long wiring harnesses compared with 3.3V parts. The CIP (Core Independent Peripheral) architecture lets PWM, comparators, and CLC logic run without CPU intervention, preserving MIPS for communication and diagnostics, while 32KB Flash suits compact node firmware with LIN/CAN stacks.
Recommended
Digital Power Conversion
Switching power supplies, PFC stages, and DC-DC converters benefit from the DSPIC33EV32GM102-E/MM's deterministic DSP execution and tightly coupled PWM/ADC. The 70 MIPS core closes voltage- and current-mode control loops at switching frequencies into the hundreds of kHz, while the high-resolution PWM provides fine duty-cycle granularity needed for tight output regulation and soft-start shaping. The 5V operating range interfaces directly with optocoupler feedback circuits common in offline supplies. Nonlinear control laws - feedforward, predictive, or adaptive dead-time compensation - execute efficiently with DSP multiply-accumulate instructions. The E-grade rating suits power supplies in industrial cabinets where ambient temperatures near heat-generating magnetics routinely exceed 85C.
Recommended
Home Appliance Control
Washing machines, refrigerators, dishwashers, and air-conditioner outdoor units combine motor drives, temperature sensing, and user interfaces - exactly the profile Microchip cites for the 5V dsPIC33EV family. The DSPIC33EV32GM102-E/MM drives compressor or drum BLDC motors with sensorless FOC using its PWM and ADC peripherals, reads NTC or digital sensors on its analog channels, and communicates over the CAN or UART peripherals to display boards. The 5V core survives the electrically noisy environment of AC motor switching and relay actuation that disrupts 3.3V controllers, improving field reliability. With 32KB Flash and 4KB RAM, a full appliance application including sensorless motor control plus communication stack fits within memory with margin for OTA-style field updates.
Recommended
Industrial Sensor Interfaces
The DSPIC33EV32GM102-E/MM serves as an intelligent front end for industrial sensors such as pressure transmitters, load cells, and flow meters. Its high-resolution ADC channels with built-in op-amp and comparator peripherals condition bridge and ratiometric signals directly, while the 70 MIPS DSP core applies digital filtering (IIR/FIR), offset and gain calibration, and linearization curves in firmware - functions that traditionally required a separate signal-conditioning ASIC. The 5V supply allows direct interfacing with 4-20 mA transmitter loops and 0-10 V industrial signaling through simple resistor networks. The integrated CAN bus connects the node to factory networks, and the -40C to +125C extended range survives panel-mounted locations near drives and contactors.
Recommended
CAN-Networked Embedded Control
General CAN-connected control nodes - gateways, distributed I/O, and actuator controllers - are a natural fit for the DSPIC33EV32GM102-E/MM because the CAN peripheral is integrated on-chip, eliminating an external controller like the MCP2515 and saving board area and BOM cost. The 70 MIPS core leaves ample headroom for protocol stacks (CANopen, J1939-style application layers) alongside control tasks, and the remappable pin architecture (PPS) lets designers place CAN TX/RX, UART, and SPI on optimal physical pins for routing in the compact 6x6 mm QFN footprint. The E-grade temperature rating and AEC-Q100 family qualification make the node deployable in both industrial cabinets and vehicular compartments without redesign.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV32GM102-E/MM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV32GM102-I/MM | DSPIC33EV32GM102-H/MM | DSPIC33EV128GM102T-I/MM | DSPIC33EP64MC502-E/MM |
|---|---|---|---|---|---|
| Package | 28-QFN-S (6x6 mm), exposed pad | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN (MM) - same footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 32KB (11K x 24) | 32KB (11K x 24) | 32KB (11K x 24) | 128KB | 64KB |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 60 MIPS |
| Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V (nominal 5.0 V) | 4.5 V to 5.5 V | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +150C | -40C to +85C | -40C to +125C |
| CAN Interface | Yes (integrated) | Yes (integrated) | Yes (integrated) | Yes (integrated) | No (ECAN varies by variant) |
Key Differentiators
- Extended -40C to +125C temperature grade (vs DSPIC33EV32GM102-I/MM)
- Robust 5V core operation (vs DSPIC33EP64MC502-E/MM)
- Higher performance headroom (vs DSPIC33EP64MC502-E/MM)
- Firmware growth path in same footprint (vs DSPIC33EV128GM102T-I/MM)
Design Notes
The 28-QFN-S (MM) package exposes a thermal pad on the underside that must be soldered to a grounded copper pour with an array of thermal vias. This pad is the primary ground return and heat dissipation path; leaving it unconnected degrades both signal integrity and thermal performance significantly. Use Microchip's layout guidelines in the dsPIC33EV family datasheet (DS70005144H) for recommended land-pattern geometry, and connect all VSS pins to the same pour to minimize ground bounce during simultaneous PWM switching.
Decouple every VDD pin with a 100 nF ceramic capacitor placed within 2-3 mm of the pin, plus one bulk capacitor (4.7-10 uF) near the device. The 5V core and the PWM output stages draw fast transient currents at 70 MIPS; inadequate decoupling manifests as ADC reading jitter and spurious brown-out resets. Verify the brown-out detector configuration matches your supply rail's droop behavior, and consider sequencing the 5V rail if peripheral devices (CAN transceiver, drivers) share it. Estimated: budget the regulator for peak current, not just average, when PWM duty is high.
The dsPIC33EV uses Peripheral Pin Select (PPS) for UART, SPI, and some PWM routing - pins are not hardwired as on older dsPIC30/33F parts. A schematic correct on the dsPIC33F pinout may fail on the dsPIC33EV if PPS registers are not configured at startup. Also note the 5V GPIO: interfacing to 3.3V sensors requires level shifting or 5V-tolerant parts. Finally, distinguish E/I/H temperature grades at procurement - a wrong-suffix substitution silently reduces your thermal margin.
Compliance Information
Listed as Automotive, AEC-Q100 qualified family in distributor data (Hotenda). RoHS compliance standard for current-production Microchip dsPIC33EV parts; obtain formal Material Declaration from Microchip for REACH/halogen-free specifics.
