DSPIC33EV256GM002-E/SO - 16-bit 5V DSC 256KB Flash | Microchip
MPN: DSPIC33EV256GM002-E/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.83 | $8.83 |
| 10 | $8.39 | $83.90 |
| 100 | $7.95 | $795.00 |
| 500 | $7.55 | $3,775.00 |
| 1,000 | $7.18 | $7,180.00 |
DSPIC33EV256GM002-E/SO Overview
A digital signal controller blends the compute architecture of a microcontroller with the multiply-accumulate capability of a digital signal processor, allowing a single chip to execute both control-loop code and signal-processing algorithms such as digital filtering, transforms, and sensor correction. DSCs sit between general-purpose MCUs and dedicated DSPs in the embedded system hierarchy, making them a common choice for closed-loop power conversion and motor control where deterministic interrupt latency matters.
Key features include 256KB of ECC-protected Flash for functional-safety-oriented designs, 16KB of on-chip SRAM, 4 DMA channels, 7 timers, and a rich peripheral set including PWM modules, ADC, UART, SPI, and I2C. The 5V operating range (4.5V to 5.5V) directly interfaces with industrial 5V rails and automotive sensor signals without level shifting, a defining trait of the dsPIC33EV family.
Technically, the dsPIC33EV core uses an enhanced modified Harvard architecture with DSP instruction extensions, supporting deterministic execution for control loops. ECC on Flash guards against single-bit memory errors in high-vibration, high-noise environments such as automotive under-hood and industrial motor drives. Automotive AEC-Q100 qualification and the extended -40C to +125C temperature rating enable use in harsh-environment designs.
Typical applications include BLDC and PMSM motor control, automotive sensor and actuator units, power factor correction and switch-mode power supplies, appliances, and industrial control panels where 5V noise immunity is valued.
Design consideration: the core requires a VCAP/VDDCORE capacitor on pin 14; follow the manufacturer datasheet for value and placement, as core-regulator stability depends on it.
This page synthesizes distributor pricing, pin-compatible drop-in family alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33EV256GM002-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 DSPIC33EV256GM002-E/SO (same form factor and footprint) — differing in Package, Operating Temperature, RAM, Core, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV256GM002-H/SO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV256GM002-I/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
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 →DSPIC33EV256GM004-E/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV256GM002-E/SO Maximum Ratings & Electrical Characteristics
| Core Processor | dsPIC33E (16-bit) |
| Core Size | 16-bit |
| Core Speed | 60 MIPS |
| Program Memory Size | 256KB (85.5K x 24) ECC Flash |
| RAM Size | 16KB |
| Supply Voltage Range | 4.5 V to 5.5 V |
| Supply Voltage Nominal | 5 V |
| DMA Channels | 4 |
| Timers | 7 |
| Package | 28-SOIC (0.295 in / 7.50 mm width) |
| Operating Temperature | -40C to +125C |
| Qualification | Automotive, AEC-Q100 |
| Mounting Type | Surface Mount |
| Packaging | Tube |
| RoHS Status | Compliant |
| Series | dsPIC33EV256GM0 |
DSPIC33EV256GM002-E/SO Pin Configuration
| Pin 1 | MCLR — Master clear reset input, active low |
| Pin 2 | AN0/RA0 — Analog input 0 / port A bit 0 |
| Pin 3 | AN1/RA1 — Analog input 1 / port A bit 1 |
| Pin 4 | PGED1/AN2/RP0/RB0 — ICSP data 1, analog input 2, remappable pin RP0 |
| Pin 5 | PGEC1/AN3/RP1/RB1 — ICSP clock 1, analog input 3, remappable pin RP1 |
| Pin 6 | AN4/C1IN-/RP2/RB2 — Analog input 4, comparator 1 inverting input, RP2 |
| Pin 7 | AN5/C1IN+/RP3/RB3 — Analog input 5, comparator 1 non-inverting input, RP3 |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1/CLKI/RA2 — Oscillator input / external clock input |
| Pin 10 | OSC2/CLKO/RA3 — Oscillator output / external clock output |
| Pin 11 | VDD — Positive supply, 4.5V to 5.5V |
| Pin 12 | SOSCI/RP4/RB4 — Secondary oscillator input, remappable pin RP4 |
| Pin 13 | SOSCO/RP5/RB5 — Secondary oscillator output, remappable pin RP5 |
| Pin 14 | VCAP/VDDCORE — Core regulator filter capacitor - do not use as power input |
| Pin 15 | RP6/RB6 — Remappable pin RP6 (SCL2/SDA2 functions available) |
| Pin 16 | RP7/RB7 — Remappable pin RP7 (SCL2/SDA2 functions available) |
| Pin 17 | RP8/RB8 — Remappable pin RP8 |
| Pin 18 | RP9/RB9 — Remappable pin RP9 |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply, 4.5V to 5.5V |
| Pin 21 | RP10/RB10 — Remappable pin RP10, PWM output function |
| Pin 22 | RP11/RB11 — Remappable pin RP11, PWM output function |
| Pin 23 | RP12/RB12 — Remappable pin RP12, PWM output function |
| Pin 24 | RP13/RB13 — Remappable pin RP13, PWM output function |
| Pin 25 | RP15/RB15 — Remappable pin RP15 |
| Pin 26 | PGEC2/RP16/RB14 — ICSP clock 2, remappable pin RP16 |
| Pin 27 | PGED2/RP17/RB14 — ICSP data 2, remappable pin RP17 |
| Pin 28 | AVSS — Analog ground reference |
Typical Applications
DSPIC33EV256GM002-E/SO is suitable for 6 applications: BLDC / PMSM Motor Control, Automotive Sensor and Control Units, Switch-Mode Power Supplies and Power Factor Correction, Appliance Control Boards, Industrial Control and Automation Panels, Battery Chargers and DC-DC Conversion.
BLDC / PMSM Motor Control
The DSPIC33EV256GM002-E/SO fits brushless DC and permanent-magnet synchronous motor control because its 60 MIPS DSP core executes field-oriented control loops with single-cycle MAC instructions, while dedicated PWM output pins (pins 21-24) generate complementary drive signals with hardware dead-time control. The 4 DMA channels move ADC current-sense samples into RAM without CPU intervention, keeping interrupt overhead low at 10-20 kHz PWM frequencies. Running on a robust 5V rail, the part tolerates noisy inverter environments better than 3.3V MCUs, and 256KB of ECC Flash leaves ample room for sensorless observer algorithms plus a bootloader. The AEC-Q100 qualification and -40C to +125C rating support automotive fan, pump, and actuator drives.
Recommended
Automotive Sensor and Control Units
In automotive body and sensor control units, the DSPIC33EV256GM002-E/SO is used as the local intelligence reading 5V sensor signals directly - its 4.5V-5.5V supply range means no level translation between the 5V sensor bus and the MCU. AEC-Q100 qualification and the -E temperature grade (-40C to +125C) cover under-hood and near-engine mounting positions, and ECC Flash protects program integrity against vibration-induced bit errors over vehicle lifetime. The 60 MIPS core handles sensor linearization and CAN-adjacent protocol tasks, while 256KB Flash supports OTA-style field-update bootloaders. Multiple PGECx/PGEDx pairs allow in-circuit reprogramming at the end-of-line station without removing the module from the harness.
Recommended
Switch-Mode Power Supplies and Power Factor Correction
For digital power conversion, the DSPIC33EV256GM002-E/SO provides the deterministic control needed for voltage-mode and current-mode SMPS loops: the 60 MIPS core closes current loops fast enough for 100-500 kHz converters, ADC sampling can be synchronized to the PWM period, and DMA offloads sample movement. The 5V core supply aligns with the auxiliary bias rail common in offline power stages, simplifying gate-driver interfacing. In PFC stages, the DSP engine performs the multiplication-intensive control math each switching cycle. The 16KB RAM holds concurrent loop state, instrumentation, and protection logging, while ECC Flash keeps firmware intact through the high-EMI switching environment of an industrial power supply.
Recommended
Appliance Control Boards
Home and commercial appliance controllers benefit directly from the dsPIC33EV design brief: Microchip targets this family at appliances operating in harsh environments with noise and vibration. The DSPIC33EV256GM002-E/SO drives compressor BLDC motors through its PWM outputs, reads temperature sensors on analog channels, and manages user-interface I/O, all on a single 5V rail shared with the appliance power supply. The -40C to +125C rating tolerates hot compartments near ovens or motors, and the 60 MIPS DSP core can implement acoustic-noise-reduction algorithms for quieter compressor drive. 256KB Flash accommodates multi-language UI firmware plus communication stacks, and ECC Flash maintains code integrity across years of mains-borne transient exposure.
Recommended
Industrial Control and Automation Panels
On factory floors, the DSPIC33EV256GM002-E/SO serves as a compact control node: its 5V I/O connects directly to legacy industrial sensors, limit switches, and optocoupler-isolated inputs without external buffers, and the 60 MIPS core executes PID loops for process control at kilohertz rates. UART, SPI, and I2C peripherals interface with displays, EEPROM, and field-bus transceivers, while 7 timers handle sequencing and watchdog duties. The wide -40C to +125C operating range and AEC-Q100 discipline give margin against panel hot spots. 256KB of ECC Flash stores protocol stacks plus a field-upgradeable bootloader, and the 4 DMA channels sustain multi-channel data acquisition without CPU loading in monitoring applications.
Recommended
Battery Chargers and DC-DC Conversion
Smart battery chargers and DC-DC modules use the DSPIC33EV256GM002-E/SO to run constant-current/constant-voltage charge algorithms with per-cycle current limiting: the 60 MIPS core closes the control loop, the ADC tracks pack voltage and current, and PWM outputs drive the power stage synchronously. Its 5V operation suits charger bias architectures, and DSP instructions accelerate coulomb-counting and impedance-estimation math. The 256KB ECC Flash enables compliance-logging firmware for charge-history records, and the -40C to +125C range covers automotive onboard chargers and outdoor industrial chargers. AEC-Q100 qualification permits use in 12V/48V automotive accessory charging systems without additional qualification overhead beyond system-level testing.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV256GM002-E/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV256GM002-H/SO | DSPIC33EV256GM002-I/SO | DSPIC33EV128GM002-E/SO | DSPIC33EV64GM002-E/SO | DSPIC33EV256GM004-E/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 |
| Program Memory | 256KB ECC Flash | 256KB ECC Flash | 256KB ECC Flash | 128KB ECC Flash | 64KB ECC Flash | 256KB ECC Flash |
| RAM | 16KB | 16KB | 16KB | 16KB | 16KB | 16KB |
| Core Speed | 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 | Narrower grade than -E | -40C to +85C | -40C to +125C | -40C to +125C | -40C to +125C |
| AEC-Q100 Qualification | Yes (automotive) | Yes | Industrial grade | Yes | Yes | Yes |
| DMA Channels / Timers | 4 DMA / 7 timers | 4 DMA / 7 timers | 4 DMA / 7 timers | 4 DMA / 7 timers | 4 DMA / 7 timers | 4 DMA / 7 timers + motor-control peripherals |
Key Differentiators
- Extended -40C to +125C automotive temperature grade (vs DSPIC33EV256GM002-I/SO)
- Full 256KB ECC Flash capacity (vs DSPIC33EV128GM002-E/SO)
- Cost-optimized option for memory-light firmware (vs DSPIC33EV64GM002-E/SO)
- Cost savings via relaxed temperature grade (vs DSPIC33EV256GM002-H/SO)
Design Notes
The on-chip core regulator requires a stabilization capacitor on pin 14 (VCAP/VDDCORE). Use the capacitance value specified in the manufacturer datasheet, place it within a few millimeters of pin 14 with a short, low-inductance return to VSS, and never connect this pin to the 5V rail - doing so can damage the internal regulator. Decouple both VDD pins (11 and 20) with 0.1uF ceramics placed close to each pin.
Keep the analog ground (AVSS, pin 28) and digital VSS (pins 8, 19) tied to a single solid ground plane, but route analog sense traces (AN0-AN5 on pins 2-7) away from PWM output lines on pins 21-24 and the oscillator on pins 9-10. For ICSP access, route one matched PGECx/PGEDx pair (e.g. pins 4/5 or 26/27) to a programming header; the two pins of a pair must be used together per the Microchip ICSP connection requirements.
Do not exceed the 4.5V-5.5V supply range even transiently - unlike some 5V-tolerant I/O parts, the dsPIC33EV core is not designed for 3.3V operation. Also confirm the -E suffix (=-40C to +125C) when ordering: the -I grade stops at +85C and the -H grade is narrower still, and substitutions have caused field failures in under-hood applications despite identical pinouts.
In motor-drive layouts, the 5V I/O robustness of the dsPIC33EV family helps, but switching-node coupling into the oscillator circuit remains a common field issue: place the crystal/oscillator (pins 9-10) with short traces and a local guard ground, or use the internal FRC oscillator where frequency accuracy permits, eliminating the external crystal path entirely.
Compliance Information
RoHS compliant per distributor listings (Master Electronics, Hotenda). Automotive AEC-Q100 qualification per Hotenda/DigiKey product data.
