DSPIC33EV32GM002-I/SS - 16-bit 5V 70 MIPS DSC | Microchip
MPN: DSPIC33EV32GM002-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.32 | $4.32 |
| 10 | $3.89 | $38.90 |
| 100 | $3.41 | $341.00 |
| 500 | $3.06 | $1,530.00 |
| 1,000 | $2.78 | $2,780.00 |
DSPIC33EV32GM002-I/SS Overview
A digital signal controller combines the compute architecture of a microcontroller with DSP-capable math features such as hardware multiply-accumulate, division assist, and barrel shifters. Within the power-management hierarchy, the dsPIC33EV family sits in the 16-bit DSC class, positioned between general-purpose MCUs and full DSPs, and is specifically engineered for 5V operation where robustness against electrical noise matters.
Key features of this device include 5V operation across a 4.5V to 5.5V supply range, an operating temperature range of -40C to +85C (industrial, per the -I suffix), 4 DMA channels, 9 timers, and a rich peripheral set including advanced motor-control PWM, SENT, LIN, and CAN 2.0B communications, plus on-chip analog such as a 12-bit ADC and integrated op amps. Peripheral Pin Select (PPS) allows remapping of digital peripherals onto 21 GPIO pins, maximizing layout flexibility.
The dsPIC33EV GM core executes most instructions in a single cycle at up to 70 MIPS, with DSP engine support for FIR/IIR filtering and FOC-type motor algorithms. Flash is rated for in-circuit self-programming, and the device supports ICSP/ICD debugging via any PGECx/PGEDx pin pair. The 5V I/O simplifies direct interfacing with sensors and gate drivers without level shifting.
Typical applications include BLDC/PMSM and ACIM motor control in appliances, automotive body and sensing modules (AEC-Q100 qualified family), industrial automation nodes on CAN or LIN buses, and SENT-interface sensor processing in harsh, high-noise environments.
For design, remember the internal regulator requires a low-ESR capacitor on the VCAP pin, and all VDD/VSS pairs must be decoupled close to the package. MCLR must be pulled up for reliable in-circuit programming.
This page synthesizes distributor pricing, drop-in family alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33EV32GM002-I/SS — 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 DSPIC33EV32GM002-I/SS (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, Qualification, Supply Voltage.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV64GM002-I/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV32GM004-I/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV64GM004-I/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV128GM002-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.64 / Unit
View Datasheet →DSPIC33EV32GM002-I/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC DSC |
| Max CPU Speed | 70 MIPS (60 MHz clock) |
| Flash Program Memory | 32 KB |
| SRAM | 4 KB |
| Supply Voltage Range | 4.5 V to 5.5 V |
| DMA Channels | 4 |
| Timers | 9 |
| GPIO Count | 21 |
| Communication Interfaces | CAN 2.0B, LIN, SENT, UART, SPI, I2C |
| Motor Control PWM | Yes (advanced PWM with complementary outputs) |
| ADC | 12-bit, on-chip |
| On-chip Op Amps | Yes |
| Peripheral Pin Select | Yes (PPS remappable I/O) |
| Operating Temperature | -40C to +85C (Industrial, -I suffix) |
| Package | 28-SSOP, 0.65 mm pitch, 5.30 mm width |
| Mounting Type | Surface Mount |
| Debug / Programming | ICSP/ICD via PGECx/PGEDx pairs |
| Qualification | AEC-Q100 qualified family |
| RoHS Status | Compliant |
DSPIC33EV32GM002-I/SS Pin Configuration
| Pin 1 | MCLR — Master clear reset input, active low (pull up for ICSP) |
| Pin 2 | AN0/VREF+/RB0 — Analog input 0 / ADC positive voltage reference / port B0 |
| Pin 3 | AN1/VREF-/RB1 — Analog input 1 / ADC negative voltage reference / port B1 |
| Pin 4 | AN2/RB2 — Analog input 2 / port B2 (PPS remappable) |
| Pin 5 | AN3/RB3 — Analog input 3 / comparator input / port B3 (PPS remappable) |
| Pin 6 | VSS — Ground reference |
| Pin 7 | VDD — Power supply, 4.5V to 5.5V |
| Pin 8 | OSC1/CLKI — Crystal oscillator input / external clock input |
| Pin 9 | OSC2/CLKO/RC15 — Crystal oscillator output / clock output / port C15 |
| Pin 10 | VCAP — Internal regulator output, connect low-ESR capacitor (about 10 uF) to VSS |
| Pin 11 | PGED3/RB4 — In-circuit debug data channel 3 / port B4 |
| Pin 12 | PGEC3/RB5 — In-circuit debug clock channel 3 / port B5 |
| Pin 13 | RP35 — Peripheral Pin Select remappable I/O (UART, SPI, I2C, PWM, CAN functions) |
| Pin 14 | RP36 — Peripheral Pin Select remappable I/O (UART, SPI, I2C, PWM, CAN functions) |
| Pin 15 | VDD — Power supply, 4.5V to 5.5V |
| Pin 16 | VSS — Ground reference |
| Pin 17 | RP41 — Peripheral Pin Select remappable I/O (e.g., U1RX/SDA1) |
| Pin 18 | RP42 — Peripheral Pin Select remappable I/O (e.g., U1TX/SCL1) |
| Pin 19 | RP43 — Peripheral Pin Select remappable I/O (timer/compare/capture inputs) |
| Pin 20 | RP44 — Peripheral Pin Select remappable I/O (input capture / external interrupt) |
| Pin 21 | RP45 — Peripheral Pin Select remappable I/O (output compare / PWM output) |
| Pin 22 | RP46 — Peripheral Pin Select remappable I/O (PWM fault input / interrupt) |
| Pin 23 | RP47 — Peripheral Pin Select remappable I/O (e.g., C1TX via PPS) |
| Pin 24 | RP48 — Peripheral Pin Select remappable I/O (e.g., C1RX via PPS) |
| Pin 25 | PGED1 — In-circuit debug data channel 1, shared with remappable I/O |
| Pin 26 | PGEC1 — In-circuit debug clock channel 1, shared with remappable I/O |
| Pin 27 | AVSS — Analog ground reference |
| Pin 28 | AVDD — Analog power supply for ADC |
Typical Applications
DSPIC33EV32GM002-I/SS is suitable for 6 applications: BLDC / PMSM Motor Control, Automotive Body and Sensing Modules, Industrial CAN Bus Nodes, Appliance Control Boards, SENT Sensor Interface and Signal Processing, Digital Power and LED Lighting Control.
BLDC / PMSM Motor Control
The DSPIC33EV32GM002-I/SS is purpose-built for sensorless and sensored motor control in appliances and industrial drives. Its advanced motor-control PWM module generates complementary outputs with dead-time insertion and fault protection, while the 70 MIPS DSP engine with single-cycle MAC executes field-oriented control (FOC) loops at kHz rates. The 5V I/O drives gate-driver inputs directly without level shifting, improving noise margin in switching environments, and the 12-bit ADC with on-chip op amps conditions current-shunt signals on-chip. Placed between the rectified DC bus and the three-phase inverter, it closes current loops deterministically using its 9 timers and DMA-assisted sampling, delivering precise commutation with no external controller.
Recommended
Automotive Body and Sensing Modules
The dsPIC33EV family is AEC-Q100 qualified and explicitly targeted at automotive sensors and control units operating amid noise and vibration, making the DSPIC33EV32GM002-I/SS a strong fit for body-control, sensor-conditioning, and actuator modules. Its integrated SENT peripheral decodes SAE J2716 sensor streams directly, while LIN and CAN 2.0B cover in-vehicle networking at both low- and high-speed nodes. The 5V supply matches legacy automotive sensor rails, and -40C to +85C operation covers under-dash and engine-bay-adjacent environments. In these designs the DSC typically reads SENT/LIN sensor data, runs filtering with its DSP MAC, and outputs PWM commands to actuators, all within a single 28-pin SSOP footprint that keeps module cost down.
Recommended
Industrial CAN Bus Nodes
For factory automation and industrial control nodes, the DSPIC33EV32GM002-I/SS provides an on-chip CAN 2.0B controller with hardware acceptance filters, removing the need for an external CAN chip and cutting BOM cost and board area. The 5V I/O directly withstands the harsher electrical environment of industrial cabinets, and 4 DMA channels offload CAN frame and ADC data movement from the 70 MIPS core. Peripheral Pin Select lets designers route the CAN TX/RX, UART, and PWM signals to optimal physical pins for routing around connectors and relays. Typical nodes use this DSC to sample analog process signals, run local control loops, and bridge telemetry onto the plant CAN bus with deterministic timing.
Recommended
Appliance Control Boards
Washing machines, fans, compressors, and power tools rely on 5V controllers that survive noisy motor switching, which is precisely the dsPIC33EV design intent. The DSPIC33EV32GM002-I/SS runs the motor PWM, reads hall or BEMF feedback through its 12-bit ADC, and communicates with the user interface over UART or LIN, all in one 32KB-Flash part sized for appliance firmware. 5V noise immunity prevents spurious resets near relay and triac switching events that would challenge 3.3V logic. Its 9 timers support multiple concurrent tasks such as tachometer capture, PWM dimming, and watchdog supervision, while the SSOP-28 footprint and 0.65mm pitch suit cost-sensitive single-sided or two-layer appliance PCBs.
Recommended
SENT Sensor Interface and Signal Processing
SENT (SAE J2716) is the standard single-wire interface for automotive throttle-position, pressure, and level sensors, and the dsPIC33EV family includes a dedicated SENT peripheral, per Microchip's 5V family overview. The DSPIC33EV32GM002-I/SS decodes nibble frames in hardware, freeing the DSP engine to apply calibration, linearization, and digital filtering to the sensor data at 70 MIPS. The 5V rail matches the SENT sensor supply domain, and the on-chip 12-bit ADC lets the same chip blend legacy analog channels with new SENT sensors during platform transitions. Processed values are then forwarded over LIN or CAN, making this DSC a compact sensor-hub solution in a 28-pin SSOP package with industrial temperature coverage.
Recommended
Digital Power and LED Lighting Control
Digital power supplies, battery chargers, and high-current LED drivers benefit from the DSPIC33EV32GM002-I/SS's combination of high-resolution PWM, fast 12-bit ADC, and DSP math for compensator algorithms such as 2p2z control. Running at 70 MIPS, the core sustains control-loop interrupts at 100 kHz-class switching frequencies with cycle-level determinism, while 5V PWM outputs directly drive common gate-driver ICs. The 9 timers generate phase-shifted or interleaved PWM banks, and DMA streams ADC samples without core intervention. In LED lighting, the same PWM resources handle dimming and color mixing with LIN or DMX-style UART protocols for scene control, all within the robust 5V noise environment typical of lighting ballasts.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV32GM002-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV64GM002-I/SS | DSPIC33EV32GM004-I/SS | DSPIC33EV64GM004-I/SS |
|---|---|---|---|---|
| Package | 28-SSOP (0.65 mm) | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB | 64 KB | 64 KB | 64 KB |
| SRAM | 4 KB | 4 KB | 4 KB | 8 KB |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| 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 |
| CAN / LIN / SENT | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / Yes |
| Relative Cost | Lowest (baseline) | Moderately higher (2x Flash) | Moderately higher (2x Flash) | Higher (2x Flash + 2x RAM) |
Key Differentiators
- 5V native operation with 70 MIPS DSP core (vs DSPIC33EV64GM002-I/SS)
- Full CAN + LIN + SENT peripheral mix in 28 pins (vs DSPIC33EV32GM004-I/SS)
- AEC-Q100 qualified family for automotive platforms (vs Generic 3.3V MCUs)
Design Notes
The dsPIC33EV core is fed from an internal regulator whose output appears on the VCAP pin. Per the family datasheet, connect a low-ESR ceramic capacitor (about 10 uF, X7R recommended) from VCAP to VSS, placed within a few millimeters of the pin; omitting it or using a high-ESR part causes brown-out-like resets under load transients. Decouple every VDD pin with 0.1 uF in parallel with a bulk 4.7-10 uF capacitor, and keep AVDD fed through an RC or ferrite filter from VDD for ADC accuracy.
On the 28-SSOP footprint, reserve pads for at least one PGECx/PGEDx pair (pins 25/26 or 11/12) plus MCLR as a 5-pin ICSP header; any PGECx/PGEDx pair works, but clock and data must come from the same pair, per the family documentation. Keep the ICSP header traces short and away from motor PWM or CAN routing. Because Peripheral Pin Select lets you remap peripherals, finalize PPS assignments only after board routing review - this avoids forced jumper rework in production.
Do not drive OSC1/OSC2 pins with 3.3V clock logic; the 5V family expects logic levels relative to its VDD - use a 5V-tolerant source or a crystal. Also remember the -I part is rated only -40C to +85C: for under-hood or near-motor placements, migrate to the -E extended-temperature variants of the same family (same pinout) rather than thermally margining the -I grade. Finally, budget Flash: leave at least 15-20% of the 32KB free for bootloaders and firmware growth, or step to the pin-compatible 64KB parts.
Compliance Information
Family is AEC-Q100 qualified per Microchip USA product data. RoHS/lead-free per standard Microchip green packaging for current dsPIC33EV production parts; REACH and halogen-free declarations should be confirmed from Microchip's official environmental documentation.
