DSPIC33EV256GM002-E/SS - 16-bit 5V DSC 256KB Flash | Microchip
MPN: DSPIC33EV256GM002-E/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.05 | $4.05 |
| 10 | $3.85 | $38.50 |
| 100 | $3.65 | $365.00 |
| 500 | $3.45 | $1,725.00 |
| 1,000 | $3.25 | $3,250.00 |
DSPIC33EV256GM002-E/SS Overview
A digital signal controller is a hybrid of a microcontroller (MCU) and a digital signal processor (DSP): it pairs a microcontroller's flash memory, peripherals, and interrupt structure with DSP-style multiply-accumulate instructions and fast interrupt handling. In the system hierarchy, a DSC sits within the broader class of embedded processors and power management control ICs, and the dsPIC33EV family targets harsh-environment control where 5V noise immunity matters.
Key features include native 5V operation (4.5V to 5.5V supply per distributor data) for robustness in high-noise environments, extended temperature support up to +125C, and integrated CAN, LIN, and SENT communication interfaces - the combination Microchip explicitly markets for automotive sensing, appliances, and industrial control. Four DMA channels offload data movement from the CPU, freeing cycles for control algorithms.
The dsPIC33E core executes the 16-bit modified Harvard architecture with DSP engine support, enabling motor control (FOC, SVPWM), digital power conversion, and sensor-signal processing loops. The 256KB flash supports in-circuit self-programming, and code protection features protect intellectual property.
Typical applications include BLDC/DC motor control, automotive CAN nodes and LIN slaves, SENT-capable sensor interfaces, solar/UPS digital power supplies, and appliance control boards where 5V sensors connect directly to the ADC without level shifting.
Design consideration: budget PCB area and decoupling around the VCAP/VDDCORE pin, and verify that the extended-temperature (E, +125C) grade - rather than the industrial (I, +85C) grade - matches your thermal environment before layout.
This page synthesizes distributor pricing (as of 2026-09-26), drop-in family alternatives, pinout guidance, and practical design notes not found together on the manufacturer datasheet.
Drop-in alternatives for DSPIC33EV256GM002-E/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 DSPIC33EV256GM002-E/SS (same form factor and footprint) — differing in Operating Temperature, Core Architecture, Peripheral Pin Select, Package, RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV256GM002-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.52 / Unit
View Datasheet →DSPIC33EV128GM002-E/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.98 / Unit
View Datasheet →DSPIC33EV64GM002-E/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.95 / Unit
View Datasheet →DSPIC33EV128GM002-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.64 / Unit
View Datasheet →DSPIC33EV64GM002-I/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV256GM002-E/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E DSC core |
| Max Clock Frequency | 60 MHz |
| Family Performance Rating | 5V, 70 MIPS (dsPIC33EV family, per Microchip) |
| Flash Program Memory | 256 KB |
| RAM | 16 KB |
| Supply Voltage Range | 4.5 V to 5.5 V |
| DMA Channels | 4 |
| Communication Interfaces | CAN, LIN, SENT, UART, SPI, I2C |
| Operating Temperature | -40C to +125C (extended, E grade) |
| Package | 28-SSOP |
| Mounting Type | Surface Mount |
| Device Series | dsPIC33EV256GM002 |
| Technology | CMOS |
| Application Grade | Automotive, appliance, industrial |
| Programming Interface | ICSP (multiple PGECx/PGEDx pairs) |
| RoHS Status | unknown |
DSPIC33EV256GM002-E/SS Pin Configuration
| Pin 1 | MCLR — Master clear reset input (active low), programming voltage input |
| Pin 2 | AN0/VREF+/CMP1A — Analog input 0 / ADC positive voltage reference / comparator 1 input A |
| Pin 3 | AN1/VREF-/CMP1B — Analog input 1 / ADC negative voltage reference / comparator 1 input B |
| Pin 4 | PGD1/AN2/CMP2A — ICSP data 1 / analog input 2 / comparator 2 input A |
| Pin 5 | PGC1/AN3/CMP2B — ICSP clock 1 / analog input 3 / comparator 2 input B |
| Pin 6 | AN4/CMP3A — Analog input 4 / comparator 3 input A |
| Pin 7 | VDD — Positive 5V supply |
| Pin 8 | OSC1/AN5/CMP3B — Oscillator input / analog input 5 / comparator 3 input B |
| Pin 9 | OSC2/CLKO/RC15 — Oscillator output / clock output / port RC15 |
| Pin 10 | VSS — Ground reference |
| Pin 11 | RP2/SDA1 — Remappable pin RP2 / I2C data 1 |
| Pin 12 | RP1/SCL1 — Remappable pin RP1 / I2C clock 1 |
| Pin 13 | VSS — Ground reference |
| Pin 14 | VDD — Positive 5V supply |
| Pin 15 | AN9/RP40/INT0 — Analog input 9 / remappable pin RP40 / external interrupt 0 |
| Pin 16 | AN10/RP41 — Analog input 10 / remappable pin RP41 |
| Pin 17 | AN11/RP42 — Analog input 11 / remappable pin RP42 |
| Pin 18 | AN12/RP43 — Analog input 12 / remappable pin RP43 |
| Pin 19 | RP44 — Remappable peripheral pin RP44 |
| Pin 20 | RP45 — Remappable peripheral pin RP45 |
| Pin 21 | RP46 — Remappable peripheral pin RP46 (PWM/CAN/UART options) |
| Pin 22 | RP47 — Remappable peripheral pin RP47 (PWM/CAN/UART options) |
| Pin 23 | RP48 — Remappable peripheral pin RP48 |
| Pin 24 | RP49 — Remappable peripheral pin RP49 |
| Pin 25 | RP50 — Remappable peripheral pin RP50 |
| Pin 26 | RP51 — Remappable peripheral pin RP51 |
| Pin 27 | VDD — Positive 5V supply |
| Pin 28 | VCAP/VDDCORE — Internal core regulator capacitor pin - connect external capacitor per datasheet |
Typical Applications
DSPIC33EV256GM002-E/SS is suitable for 6 applications: BLDC and PMSM Motor Control, Automotive CAN and LIN Network Nodes, Industrial Power Supplies and Digital Power Conversion, Appliance Control Boards, Sensor Signal Processing and SENT Interfaces, Embedded Control and IoT Gateway Nodes.
BLDC and PMSM Motor Control
The DSPIC33EV256GM002-E/SS fits motor control because its 16-bit DSP core with multiply-accumulate support executes field-oriented control (FOC) and SVPWM algorithms in real time at its 60 MHz clock, while 4 DMA channels keep ADC sampling and PWM update loops off the CPU. In a typical inverter node, the controller reads phase currents and bus voltage through its on-chip 5V ADC - directly compatible with 5V shunt or hall signal conditioning - and drives a gate-driver IC through complementary PWM outputs. The 5V supply gives superior noise immunity over 3.3V MCUs in switching-noise-rich environments. The E grade (+125C) tolerates enclosure heat near power stages; budget margin since junction heating adds to ambient in sealed drives.
Recommended
Automotive CAN and LIN Network Nodes
Microchip explicitly targets the dsPIC33EV family at automotive sensing and control units, and this part's integrated CAN and LIN peripherals with 256KB flash make it a strong body-node or sensor-node controller. The 5V operation interfaces directly with standard CAN transceivers and LIN physical layers without level shifting, and the SENT interface supports modern automotive sensor protocols (throttle, pressure, position). The 60 MHz core provides headroom for protocol stacks plus application logic, and 16KB RAM buffers message queues handled partly via DMA. The extended -40C to +125C rating suits under-body and engine-bay-adjacent modules. Confirm the exact orderable part's AEC-Q100 status with Microchip for formal automotive programs, and verify CAN FD requirements - this family implements classic CAN.
Recommended
Industrial Power Supplies and Digital Power Conversion
In digital power supplies, solar converters, and UPS systems, this DSC closes voltage and current loops with fast ADC sampling and DSP math at 60 MHz, while the 5V I/O connects directly to gate drivers and 5V feedback circuits common in industrial power stages. The 256KB flash accommodates control firmware plus communication stacks (CAN or RS-485 via UART) for power-system monitoring, and DMA offloads ADC results so loop latency stays deterministic. 5V noise immunity is a decisive advantage in high dv/dt environments around switching converters. Place the controller away from gate-driver heat sources or select board locations keeping junction temperature below the +125C rating; a compact SSOP-28 with exposed copper pour aids thermal relief.
Recommended
Appliance Control Boards
Household appliances - washers, air conditioners, cooktops, and compressors - favor 5V controllers for robustness against mains-borne noise and easy connection to 5V precision sensors, exactly the use case Microchip cites for the dsPIC33EV family. This part provides the control loop for compressor BLDC motors (PWM outputs plus ADC feedback), touch/button inputs through multiplexed ANx pins, and CAN or UART links to main display boards. The 256KB flash holds full application firmware plus OTA-style bootloaders for field updates in connected appliances, while the 4 DMA channels keep sensor scanning background-loaded. The +125C E grade covers control-box temperatures near relays; still, keep the SSOP-28 away from relay and triac heat paths.
Recommended
Sensor Signal Processing and SENT Interfaces
Automotive and industrial sensing nodes benefit from this DSC's DSP engine, which applies filtering (IIR/FIR), demodulation, and calibration math to raw sensor channels at 60 MHz, while the SENT peripheral decodes SAE J2716-style sensor streams natively. Because the ADC and I/O run at 5V, ratiometric sensors and resistive bridges connect with minimal conditioning, reducing BOM cost versus a 3.3V MCU plus front-end. The 256KB flash stores per-unit calibration tables and multiple sensor profiles; 16KB RAM with DMA supports continuous multi-channel acquisition. The -40C to +125C rating suits engine-bay-adjacent and outdoor industrial enclosures. Design the analog ground return carefully around the SSOP-28 to preserve ADC accuracy at the low end of the input range.
Recommended
Embedded Control and IoT Gateway Nodes
As a general embedded controller, the DSPIC33EV256GM002-E/SS provides deterministic 16-bit control with rich connectivity: UART, SPI, I2C, CAN, and LIN on multiplexed RPx pins, letting one 28-SSOP part bridge a CAN fieldbus to local sensors and actuators. The 256KB flash supports protocol stacks and a bootloader, and in-circuit serial programming (ICSP) via any PGECx/PGEDx pair simplifies production programming - note that PGEC/PGED pins must be used as matched pairs per Microchip documentation. Industrial 5V environments avoid level-shifting between the controller, transceivers, and legacy peripherals. The E temperature grade suits unventilated control cabinets. Reserve the ICSP header footprint even in compact designs to enable field firmware service.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV256GM002-E/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV256GM002-I/SS | DSPIC33EV128GM002-E/SS | DSPIC33EV64GM002-E/SS | DSPIC33EV128GM002-I/SS | DSPIC33EV64GM002-I/SS |
|---|---|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 256 KB | 256 KB | 128 KB | 64 KB | 128 KB | 64 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Core Clock | 60 MHz | 60 MHz | 60 MHz | 60 MHz | 60 MHz | 60 MHz |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| 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 | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Communication Interfaces | CAN, LIN, SENT, UART, SPI, I2C | CAN, LIN, SENT, UART, SPI, I2C | CAN, LIN, SENT, UART, SPI, I2C | CAN, LIN, SENT, UART, SPI, I2C | CAN, LIN, SENT, UART, SPI, I2C | CAN, LIN, SENT, UART, SPI, I2C |
| Relative Unit Cost | Baseline (highest in family, ~$4.05 @1) | Slightly lower (standard temp grade) | Lower (half flash) | Lowest E-grade | Lower | Lowest overall |
Key Differentiators
- Extended temperature rating up to +125C (vs DSPIC33EV256GM002-I/SS)
- Maximum flash in the same 28-SSOP footprint (vs DSPIC33EV128GM002-E/SS)
- Native 5V operation with CAN/LIN/SENT integration (vs 3.3V 16-bit MCUs (e.g., dsPIC33EP family parts at 3.3V))
Design Notes
The DSPIC33EV256GM002-E/SS runs its internal core from an on-chip regulator; the VCAP/VDDCORE pin (pin 28 on the 28-SSOP) must be connected to the external capacitor with the value and ESR range specified in the Microchip datasheet. Omitting or under-sizing this capacitor causes brown-out resets or erratic core operation. Provide 0.1uF ceramic decoupling at each VDD pin plus one bulk 4.7uF-10uF capacitor near the supply entry, and keep VSS return paths short and solid.
ICSP programming uses PGECx/PGEDx pins that MUST be used as matched pairs: if PGEC2 carries ICSPCLK, the corresponding PGED2 must carry ICSPDAT. Mixing pairs from different groups prevents programming. Also keep MCLR with its recommended pull-up and programming-clip access on production boards, and do not assign the chosen PGED/PGEC pins to critical circuit functions that would be disturbed during in-circuit debugging.
Estimated: the E-grade part is rated to +125C ambient. In a sealed enclosure with poor airflow, add junction self-heating from typical DSC operating current (tens of mA at 5V, roughly 0.3-0.5W including I/O loads - verify theta_JA for SSOP-28 from the datasheet absolute maximum section). Keep the part away from MOSFETs, gate drivers, and relays; if the local ambient near the package can exceed +105C, consider the layout or downgrade risk analysis before committing to the +125C limit.
The 28-SSOP footprint with Peripheral Pin Select (RPx) remapping means pin functions are firmware-defined; route all RPx traces with mixed-signal care and keep analog ANx traces away from PWM and CAN lines. Provide a solid ground plane under the controller, place the crystal (if used on OSC1/OSC2) with short load-capacitor traces, and reserve test points on the CANH/CANL and ICSP pairs for production diagnostics.
Compliance Information
Compliance status not stated in the provided web data; verify RoHS/REACH and AEC-Q100 status on the Microchip product page or with Microchip directly before automotive qualification.
