DSPIC33EV256GM102-E/SS - 16-bit 5V DSC 256KB | Microchip
MPN: DSPIC33EV256GM102-E/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.92 | $4.92 |
| 10 | $4.43 | $44.30 |
| 100 | $3.94 | $394.00 |
| 500 | $3.55 | $1,775.00 |
| 1,000 | $3.16 | $3,160.00 |
DSPIC33EV256GM102-E/SS Overview
A digital signal controller combines the computational throughput of a digital signal processor (DSP) with the peripheral integration and deterministic control of a microcontroller (MCU). Within the power-management hierarchy, the dsPIC33EV family sits between general-purpose 16-bit MCUs and dedicated DSPs, offering hardware multiply-accumulate (MAC) acceleration for control loops while integrating motor-control PWM, SENT, and op-amp peripherals on one chip.
Key features include the 5V-tolerant core that eliminates a separate 3.3V regulator rail in many designs, four DMA channels that offload data movement from the CPU, and seven timers supporting complex PWM generation. On-chip analog integration (ADC interface and operational amplifiers) plus SENT and advanced PWM peripherals target sensor-heavy, noise-tolerant automotive nodes.
Architecturally, the dsPIC33EV256GM102 uses a dual internal bus architecture with a pipelined 16-bit core, hardware DSP instruction support, and Peripheral Pin Select (PPS) allowing remapping of RPn pins to digital peripherals for flexible board routing. Low-power modes and an RTC/timer suite support always-on standby behavior in battery-backed or ignition-switched systems.
Typical applications include automotive body and powertrain auxiliaries compliant with AEC-Q100 expectations, industrial motor drives and appliances where 5V sensors interface directly, and harsh-environment control nodes requiring extended temperature operation up to +125C junction conditions.
Design consideration: because the core runs directly from 5V, verify brown-out and supply-rail sequencing during load dump or inductive kick events; a 0.1uF ceramic decoupling capacitor per VDD pin plus bulk capacitance near the device is recommended per the family data sheet (DS70005144H).
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33EV256GM102-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 DSPIC33EV256GM102-E/SS (same form factor and footprint) — differing in Core Architecture, Operating Temperature, Package, Supply Voltage Range.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV256GM102-H/SS
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV256GM102-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.55 / Unit
View Datasheet →DSPIC33EV128GM102-I/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV256GM202-E/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV256GM102-E/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC DSC |
| Max CPU Frequency | 60 MHz |
| Max Performance | 70 MIPS |
| Flash Program Memory | 256 KB |
| RAM | 16 KB |
| Supply Voltage Range | 4.5 V to 5.5 V |
| Operating Temperature | -40C to +125C |
| Package | SSOP-28 (208 mil, 0.65 mm pitch) |
| Mounting Type | Surface Mount |
| DMA Channels | 4 |
| Timers | 7 |
| Input Capture / Output Compare | 4 |
| Integrated Peripherals | PWM, SENT, ADC interface, op amps, RTC |
| Special Functions | Hardware MAC acceleration, DMA, low-power modes, PPS peripheral pin select |
| Automotive Qualification | AEC-Q100 compliant (per distributor listing) |
| RoHS Status | Compliant |
DSPIC33EV256GM102-E/SS ssop-28 (208 mil, 0.65 mm pitch) Pin Configuration Guide
Pin configuration for DSPIC33EV256GM102-E/SS (ssop-28 (208 mil, 0.65 mm pitch) 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 DSPIC33EV256GM102-E/SS.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV256GM102-E/SS is suitable for 6 applications: Automotive Body and Powertrain Auxiliaries, Industrial Motor Control, Appliance Control Boards, Sensor Interfaces and SENT Networks, Digital Power Conversion, Harsh Environment Control Nodes.
Automotive Body and Powertrain Auxiliaries
The DSPIC33EV256GM102-E/SS fits automotive auxiliary nodes because its 5V-native core tolerates vehicle electrical environments directly and its E-grade rating covers -40C to +125C under AEC-Q100 expectations. The integrated SENT peripheral decodes single-wire sensor data standard in automotive signal chains, while motor-control PWM with 4 input capture/output compare modules drives actuators without external logic. Placed between a 5V regulated rail and sensor/actuator harnesses, the DSC runs closed-loop control at 70 MIPS with headroom for diagnostics. The trade-off is that 5V operation dissipates slightly more static power than 3.3V parts, but eliminates level-shifting components and regulator BOM cost in harsh, noise-prone harness environments.
Recommended
Industrial Motor Control
For industrial motor drives, the DSPIC33EV256GM102-E/SS provides a 70 MIPS DSP core with hardware MAC acceleration for field-oriented control (FOC) and sensorless algorithms, plus advanced PWM peripherals supporting complementary outputs and dead-time insertion. The four DMA channels stream ADC conversion results into RAM without CPU intervention, keeping control-loop jitter low at kHz-rate current loops. Operating from 4.5V-5.5V lets the DSC sit directly on legacy 5V industrial rails and interface with gate drivers and current-sense amplifiers without translation. Designers should budget flash headroom: with 256KB available, complex FOC plus communication stacks fit comfortably, though 16KB RAM requires careful buffer sizing for multi-axis implementations.
Recommended
Appliance Control Boards
Home appliances benefit from the dsPIC33EV256GM102's 5V robustness against noisy motor and relay switching environments, with extended temperature tolerance for enclosed, low-airflow housings. The on-chip op amps and ADC interface condition current-shunt and temperature signals directly, and seven timers generate the multi-channel PWM patterns needed for inverter-driven compressors and fan motors. RTC and timer peripherals maintain scheduling through brown-out events via low-power modes. Typical integration places the DSC between a mains-derived 5V flyback rail and triac/IPM gate interfaces; the 0.65 mm SSOP-28 footprint keeps the control PCB compact. Design consideration: add robust input filtering and TVS protection on harness-connected I/O, as the 5V pins tolerate less overstress than dedicated ruggedized pins.
Recommended
Sensor Interfaces and SENT Networks
The integrated SENT peripheral makes the DSPIC33EV256GM102-E/SS a natural hub for SENT-encoded automotive and industrial sensors, decoding nibble streams in hardware at 70 MIPS without CPU polling. The ADC interface and on-chip op amps digitize analog sensor bridges directly, and Peripheral Pin Select (PPS) lets designers route UART/SPI/PWM functions to optimal physical pins, simplifying PCB routing around connector constraints. Operating on a 5V rail means 5V ratiometric sensors interface without dividers, preserving resolution. Performance consideration: DMA-offloaded ADC sampling up to the converter's full rate keeps latency deterministic for closed-loop sensing, while the 256KB flash accommodates calibration tables and multiple sensor-profile firmware images in one device.
Recommended
Digital Power Conversion
In digital power supplies and chargers, the dsPIC33EV256GM102 runs voltage- and current-mode control loops with DSP precision: the 16-bit core with hardware MAC executes PID and compensator math at 70 MIPS, while high-resolution PWM modules generate switching patterns with fine duty-cycle granularity. Four DMA channels move ADC samples to memory each switching cycle, minimizing loop latency for converters switching at hundreds of kHz. The 5V supply range suits isolated auxiliary rails derived from primary-side bias windings. Trade-off: the part's 60 MHz ceiling limits switching frequencies relative to dedicated digital-power controllers running above 100 MHz, so it excels in medium-frequency AC-DC and DC-DC stages where 5V robustness and cost matter more than extreme switching speed.
Recommended
Harsh Environment Control Nodes
General-purpose control nodes in outdoor, high-vibration, or thermally stressed locations - such as agricultural equipment, HVAC units, and factory floor modules - leverage the DSPIC33EV256GM102-E/SS's -40C to +125C range and 5V noise immunity. Low-power modes support ignition-switched duty cycling, and the RTC keeps time-of-day scheduling across power cycles. With 256KB flash, the same board can store multiple product variants' firmware for manufacturing flexibility. The SSOP-28 (208 mil) package withstands standard reflow with a compact 0.65 mm pitch that remains hand-inspectable, unlike fine-pitch BGA alternatives. Engineers should verify junction temperature: sustained operation near +125C ambient demands conservative derating of the 70 MIPS clock and careful thermal pad design per the family data sheet thermal tables.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV256GM102-E/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV256GM102-H/SS | DSPIC33EV256GM102-I/SS | DSPIC33EV128GM102-I/SS | DSPIC33EV256GM202-E/SS |
|---|---|---|---|---|---|
| Package | SSOP-28 (0.65 mm) | SSOP-28 - same | SSOP-28 - same | SSOP-28 - same | SSOP-28 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 256 KB | 256 KB | 256 KB | 128 KB | 256 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Max Performance | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz |
| Operating Temperature | -40C to +125C (E-grade) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (E-grade) |
| Automotive Suitability | AEC-Q100 compliant listing, +125C capable | Limited to +85C - not for under-hood | Limited to +85C - not for under-hood | Limited to +85C - not for under-hood | +125C capable, verify analog differences |
Key Differentiators
- Extended temperature operation (vs DSPIC33EV256GM102-H/SS)
- Maximum program memory on the SSOP-28 footprint (vs DSPIC33EV128GM102-I/SS)
- Integrated op amps and SENT support (vs DSPIC33EV256GM202-E/SS)
Design Notes
Run the dsPIC33EV core from a clean 4.5V-5.5V rail with 0.1uF ceramic decoupling capacitors at every VDD/VSS pin pair plus 4.7uF-10uF bulk capacitance near the device. Because the core is 5V-native, transients on a shared rail couple directly into the ADC; star-route the analog supply or use an RC/LC filter for VDD-AVDD-related pins. In automotive designs, protect the rail against ISO 7637-style load dump with a TVS and series element upstream - the DSC itself does not tolerate voltages beyond its absolute maximum ratings.
Exploit Peripheral Pin Select (PPS) during layout rather than after: route the crystal, harness connectors, and power stage first, then remap UART, SPI, and PWM functions onto whichever RPn pins the geometry favors. Keep the oscillator traces short and guard them with ground. Place ICSP programming pads (MCLR, PGD, PGC, VDD, VSS) on a 5-pin header for in-circuit reprogramming with SNAP/PICkit 4 - retrofitting them after production is costly.
Do not confuse temperature suffixes when purchasing: -E/SS (+125C), -I/SS and -H/SS (+85C) are electrically identical but the -H/-I parts will fail reliability targets in automotive under-hood positions. Also confirm RAM headroom early: 16KB is tight when combining motor control with communication stacks and DMA buffers, so profile RAM usage before committing to the 256GM102 over higher-RAM family members. Finally, the GM102's integrated op amps save external amplifiers, but their bandwidth limits must be checked against your current-loop bandwidth requirements.
Compliance Information
RoHS compliance stated by JLCPCB listing. AEC-Q100 compliance cited by Globalspec part description; formal qualification documents should be requested from Microchip for automotive PPAP. REACH/halogen-free/conflict minerals not stated in provided data.
