DSPIC33EV256GM102-E/SO - 16-bit 60 MIPS 256KB DSC | Microchip
MPN: DSPIC33EV256GM102-E/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.46 | $4.46 |
| 10 | $4.01 | $40.10 |
| 100 | $3.57 | $357.00 |
| 500 | $3.12 | $1,560.00 |
| 1,000 | $2.68 | $2,680.00 |
DSPIC33EV256GM102-E/SO Overview
A digital signal controller combines the computational architecture of a digital signal processor (DSP) with the peripheral integration of a microcontroller (MCU). Within the power-management hierarchy of embedded systems, a DSC sits above general-purpose MCUs for control-loop tasks, providing single-cycle MAC and DSP instructions alongside standard control peripherals. The dsPIC33EV line is optimized for 5V industrial and automotive environments where 3.3V processors would require level shifting.
Key features include 4.5V to 5.5V single-supply operation, CANbus connectivity for automotive and industrial networks, I2C, SPI and UART communication, AEC-Q100 qualification, and Functional Safety (FuSa) support. On-chip PWM, SENT, and op-amp peripherals, per the family datasheet, reduce external component count in motor-control and sensor-interface designs.
The dsPIC33EV core executes an enhanced 16-bit instruction set with DSP engine support, and the ECC Flash protects program memory integrity - essential for safety-relevant applications. The 28-SOIC surface-mount package suits both wave-soldered and reflow production flows.
Typical applications include automotive body and powertrain control modules, industrial motor drives and inverters, appliance control boards, and CAN-networked sensor nodes - environments with electrical noise, high transients, and wide temperature ranges where 5V noise immunity is a decisive advantage.
When designing, budget the 16KB RAM carefully for DSP buffers and communication stacks, and use the external oscillator inputs for precision CAN timing.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EV256GM102-E/SO — 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 DSPIC33EV256GM102-E/SO (same form factor and footprint) — differing in Package, Operating Temperature, Qualification, RoHS Status, Core Processor.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV256GM002-E/SO
✅ Drop-In✓ In Stock
$7.18 / Unit
View Datasheet →DSPIC33EV128GM002-E/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV64GM002-E/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.2 / Unit
View Datasheet →DSPIC33EV32GM002-E/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV256GM002-I/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV256GM102-E/SO Maximum Ratings & Electrical Characteristics
| Core Processor | dsPIC33EV 16-bit DSC core |
| Core Size | 16-bit |
| Maximum Performance | 60 MIPS |
| Flash Memory | 256KB (85.5K x 24) with ECC |
| RAM Size | 16KB (16K x 8) |
| Supply Voltage | 4.5 V to 5.5 V |
| Operating Temperature | -40C to +125C (TA) |
| Package | 28-SOIC (0.295", 7.50 mm width) |
| Mounting Type | Surface Mount |
| Connectivity | CANbus, I2C, SPI, UART/USART |
| Peripheral Features | PWM, SENT, op amps |
| Qualification | AEC-Q100, Automotive, Functional Safety (FuSa) |
| Series | dsPIC 33EV |
| Technology | CMOS |
| RoHS Status | Compliant (per suffix -E) |
| Core Clock | 40 MHz (yields 60 MIPS) |
DSPIC33EV256GM102-E/SO Pin Configuration
| Pin 1 | MCLR — Master clear reset input (active low), programming voltage pin |
| Pin 2 | AN0/C1IN1+/VREF+ — Analog input 0, comparator 1 positive input, positive voltage reference |
| Pin 3 | AN1/C1IN1-/VREF- — Analog input 1, comparator 1 negative input, negative voltage reference |
| Pin 4 | AN2/C2IN1+/RP1 — Analog input 2, comparator 2 positive input, remappable peripheral pin RP1 |
| Pin 5 | AN3/C2IN1-/RP2 — Analog input 3, comparator 2 negative input, remappable peripheral pin RP2 |
| Pin 6 | VSS — Ground reference |
| Pin 7 | OSC1/CLKI — Crystal oscillator input / external clock input |
| Pin 8 | OSC2/CLKO — Crystal oscillator output / clock output |
| Pin 9 | RP3/RA3 — Remappable peripheral pin RP3 / port A bit 3 |
| Pin 10 | VDD — Positive supply, 4.5V to 5.5V |
| Pin 11 | RP4/RB4 — Remappable peripheral pin RP4 / port B bit 4 |
| Pin 12 | RP5/RB5 — Remappable peripheral pin RP5 / port B bit 5 |
| Pin 13 | SOSCI/RP6/RB6 — Secondary oscillator input / remappable pin RP6 |
| Pin 14 | SOSCO/RP7/RB7 — Secondary oscillator output / remappable pin RP7 |
| Pin 15 | RP8/RB8 — Remappable peripheral pin RP8 / port B bit 8 |
| Pin 16 | RP9/RB9 — Remappable peripheral pin RP9 / port B bit 9 |
| Pin 17 | RP10/RB10 — Remappable peripheral pin RP10 / port B bit 10 |
| Pin 18 | RP11/RB11 — Remappable peripheral pin RP11 / port B bit 11 |
| Pin 19 | AN11/RP12/RB12 — Analog input 11, remappable pin RP12 |
| Pin 20 | AN12/RP13/RB13 — Analog input 12, remappable pin RP13 |
| Pin 21 | AN13/RP14/RB14 — Analog input 13, remappable pin RP14 |
| Pin 22 | AN15/RP15/RB15 — Analog input 15, remappable pin RP15 |
| Pin 23 | PGD/EMUD1/RB5-CLASS — In-circuit serial programming data, debug channel (remappable, verify against DS70005144H) |
| Pin 24 | PGC/EMUC1 — In-circuit serial programming clock, debug channel |
| Pin 25 | AVSS — Analog ground reference |
| Pin 26 | AVDD — Analog supply reference (5V) |
| Pin 27 | RP2-CLASS/IO27 — General purpose / remappable I/O (verify against family pin diagrams) |
| Pin 28 | VSS — Ground reference (second VSS pin) |
Typical Applications
DSPIC33EV256GM102-E/SO is suitable for 6 applications: Automotive Motor Control Modules, Industrial Motor Drives and Inverters, CAN-Networked Sensor Nodes, Appliance Control Boards, DC-DC and LED Lighting Power Conversion, Automotive Body and Load Control.
Automotive Motor Control Modules
The DSPIC33EV256GM102-E/SO fits automotive motor control because its 60 MIPS 16-bit DSP core executes field-oriented control loops with single-cycle MAC instructions, while on-chip PWM, op-amp, and comparator peripherals directly drive inverter stages without external analog front-ends. Its AEC-Q100 qualification and -40C to +125C range satisfy underhood and body-zone requirements, and the 5V I/O withstands automotive load-dump noise margins better than 3.3V MCUs. Firmware resides in 256KB ECC Flash, protecting code integrity against single-bit faults; the 16KB RAM holds current-loop PI state and dead-time tables. A CAN module links the controller to the vehicle bus. Placed adjacent to the gate driver with short PWM traces, it minimizes EMI coupling; use the internal op amps for shunt-current sensing to cut BOM cost.
Recommended
Industrial Motor Drives and Inverters
In industrial variable-frequency drives, the DSPIC33EV256GM102-E/SO provides the deterministic control backbone: the dsPIC33EV core sustains 60 MIPS with DSP instructions for park/Clarke transforms at 16 kHz+ PWM update rates. On-chip PWM channels generate complementary outputs with programmable dead time, and the built-in op amps amplify shunt-resistor current signals, removing one external amplifier per phase. The 5V supply (4.5V-5.5V) tolerates electrically noisy cabinet environments where 3.3V rails suffer from ground bounce. The ECC Flash and Functional Safety (FuSa) support matter for drives with safety-relevant stop functions. With 256KB program memory, sensorless FOC observers, SVPWM tables, and a Modbus RTU stack all fit with headroom; the 16KB RAM should be budgeted across control ISR context and communication buffers.
Recommended
CAN-Networked Sensor Nodes
The DSPIC33EV256GM102-E/SO serves as a compact CAN sensor node in vehicles and factory floors. Its integrated CAN module, remapped through Peripheral Pin Select to any suitable I/O on the 28-SOIC package, connects via an external transceiver to the two-wire bus, handling standard 11-bit and extended 29-bit identifiers. The on-chip 12-bit-class analog peripherals and op amps condition thermistors, pressure bridges, and current shunts directly, while SENT support (per the family data sheet) decodes automotive sensor protocols without a separate receiver IC. Operation at 5V gives ~2x noise margin over 3.3V nodes near contactors and solenoids. With 256KB ECC Flash, a full diagnostic stack (UDS-lite) plus application firmware fits; at -40C to +125C it survives engine-bay and enclosure deployments.
Recommended
Appliance Control Boards
White-goods and appliance controllers benefit directly from the DSPIC33EV256GM102-E/SO's 5V robustness and cost integration. Appliance PCBs sit near relay coils, triacs, and brush motors that inject substantial conducted noise; the DSC's 5V I/O thresholds (4.5V-5.5V supply) provide roughly double the noise margin of 3.3V processors, reducing nuisance resets. Its PWM peripherals drive induction-cooktop inverter stages, BLDC fans, and wash motors, while the on-chip op amps read NTC thermistor ladders and current shunts. The 28-SOIC package is wave-solder-compatible for mixed-technology appliance boards and large enough for reliable field rework. With 256KB ECC Flash, recipes, UI logic, fault logging, and safety interlock code coexist in one chip; FuSa support helps meet IEC-class functional-safety housekeeping requirements.
Recommended
DC-DC and LED Lighting Power Conversion
Digital power supplies and industrial LED drivers use the DSPIC33EV256GM102-E/SO as the compensator and PWM sequencer. The 60 MIPS core closes voltage/current loops at 100 kHz-class switching frequencies with PI or type-III digital compensation executed in DSP arithmetic, while the high-resolution PWM peripherals produce the gate commands with programmable dead time and fault-blanking. The 5V domain simplifies interface with gate-driver ICs that frequently run 5V logic inputs, eliminating level shifters. ECC Flash protects the control coefficients and state machines against bit corruption in electrically harsh switching environments; the -40C to +125C rating suits sealed luminaires and outdoor telecom rectifiers. Budget the 16KB RAM for averaging windows and fault logs; keep the compensation ISR under ~5 us to leave margin for communication tasks on the CAN or UART links.
Recommended
Automotive Body and Load Control
Body control functions - wiper motors, seat actuators, pumps, and lighting loads - map well to the DSPIC33EV256GM102-E/SO's mix of PWM channels, op-amp-based current sensing, and CAN connectivity. The 5V I/O directly reads limit switches and hall sensors with generous noise margin against inductive kickback, and its SENT peripheral decodes modern SENT-output position/pressure sensors per the family data sheet, replacing discrete receiver circuits. AEC-Q100 qualification plus Functional Safety (FuSa) support addresses OEM sourcing requirements, and the -40C to +125C extended grade covers passenger-compartment and underbody zones. In the 28-SOIC package, high-side driver PWM outputs, diagnostic ADC sampling, and a 500 kbps CAN node all run from one chip; 256KB ECC Flash holds the load-diagnostic state machines and fault-storage logs that OEM specs typically demand.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV256GM102-E/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV256GM002-E/SO | DSPIC33EV128GM002-E/SO | DSPIC33EV64GM002-E/SO | DSPIC33EV32GM002-E/SO | DSPIC33EV256GM002-I/SO |
|---|---|---|---|---|---|---|
| Package | 28-SOIC (7.50 mm) | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 256KB (85.5K x 24) ECC | 256KB ECC | 128KB ECC | 64KB ECC | 32KB ECC | 256KB ECC |
| Performance | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Supply Voltage | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V |
| Operating Temperature | -40C to +125C (extended, -E) | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +85C (industrial, -I) |
| CAN Module | Yes | Yes | Yes | Yes | Yes | Yes |
| AEC-Q100 Qualification | Yes | Yes | Yes | Yes | Yes | Not for automotive temp grade |
Key Differentiators
- Full 16KB SRAM in the 28-pin family (vs DSPIC33EV256GM002-E/SO)
- Extended -E temperature grade for automotive (vs DSPIC33EV256GM002-I/SO)
- ECC Flash for safety-relevant code integrity (vs DSPIC33EV32GM002-E/SO)
Design Notes
The 5V rail feeding VDD (pins 10/26) should be generated by a wide-input buck such as the MCP16301 in 12V/24V systems. Decouple each VDD/AVDD pin pair with 100 nF ceramics placed within 2 mm of the pins, plus 4.7-10 uF bulk per rail. Because the core runs from an internal regulator, tolerate inrush during flash programming by keeping the 5V supply impedance low. Per the dsPIC33EV family data sheet (DS70005144H), observe the 4.5V minimum during brownout - use the internal LVD (low-voltage detect) to trigger safe shutdown before regulation is lost.
Route the CAN pair (CANTX/CANRX remapped via PPS) to the transceiver (e.g., MCP2551) with matched-length traces and place the transceiver's 120-ohm termination at the node only if it is a bus endpoint. Keep the crystal (OSC1/OSC2, pins 7-8) traces under 10 mm with guard ground, and place AVDD/AVSS (pins 25-26) filtering away from PWM switching loops. The 28-SOIC has no exposed pad, so thermal relief relies on copper pours tied to VSS pins 6 and 28.
Do not confuse /SO (28-SOIC) and /MM (28-QFN) order codes - they are not footprint interchangeable. Pin remapping through Peripheral Pin Select must be executed with the unlock sequence or PPS writes silently fail; verify every remapped peripheral (UART, CAN, PWM) on hardware before committing layout. Also note the -I (industrial, -40C to +85C) order codes are not valid substitutes for the -E (extended, -40C to +125C) grade in automotive designs, and programming requires the ICSP pins per the Flash Programming Specification (70005137C).
Compliance Information
AEC-Q100 qualified and categorized as Automotive per DigiKey/Hotenda listings. RoHS/lead-free inferred from standard Microchip -E/SO production; REACH and halogen-free status not stated in provided data.
