DSPIC33EV256GM102-I/SS - 16-Bit 70 MIPS 5V DSC | Microchip
MPN: DSPIC33EV256GM102-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.85 | $4.85 |
| 10 | $4.45 | $44.50 |
| 100 | $4.05 | $405.00 |
| 500 | $3.8 | $1,900.00 |
| 1,000 | $3.55 | $3,550.00 |
DSPIC33EV256GM102-I/SS Overview
A digital signal controller combines the computational architecture of a digital signal processor (DSP) with the peripheral set and ease of use of a microcontroller (MCU). Within the power-management hierarchy of embedded systems, the DSC sits above a basic MCU by adding DSP-class multiply-accumulate instructions, a barrel shifter, and DMA, while remaining a single-chip solution. Microchip positions the dsPIC33EV family specifically for 5V, high-noise environments where 3.3V controllers would require level shifting and additional protection.
Key features include true 5V operation (4.5V to 5.5V supply range) for direct sensor interfacing and robustness in electrically noisy motor-drive cabinets, on-chip CAN 2.0B, LIN, and SENT communication peripherals for automotive and industrial networks, multiple high-resolution PWM channels for motor control and power conversion, and integrated analog including op amps and a 12-bit ADC. The device provides four DMA channels and seven timers for efficient data movement and timing.
Architecturally, the dsPIC33EV core executes an optimized C compiler-friendly instruction set with DSP engine support at 70 MIPS, per the dsPIC33EVXXXGM00X/10X family data sheet (DS70005144H). Peripheral Pin Select (PPS) allows flexible remapping of digital peripherals onto RPn pins, simplifying PCB routing. Flash self-programming supports field firmware updates, and low-power sleep and idle modes reduce standby consumption.
Typical applications include Brushed/BLDC/PMSM motor control with sensorless algorithms, automotive sensing modules using SENT and LIN, battery chargers and digital power supplies exploiting the 5V PWM and analog front end, and appliance control boards where high noise immunity eliminates external level-shift circuitry.
When designing with this device, budget the 5V rail carefully: at full 70 MIPS operation active current is significantly higher than sleep-mode current, so plan decoupling and power conversion accordingly, and use the MCLR pin with a proper pull-up for reliable in-circuit programming.
This page synthesizes distributor pricing from DigiKey, Mouser, and LCSC, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single decision-ready reference.
Drop-in alternatives for DSPIC33EV256GM102-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 DSPIC33EV256GM102-I/SS (same form factor and footprint) — differing in Core Architecture, Package, Operating Temperature, RAM, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
No drop-in alternatives available for this product.
Request AlternativesDSPIC33EV256GM102-I/SS Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33EV DSC |
| Core Performance | 70 MIPS |
| Maximum Clock Frequency | 60 MHz (per Mouser listing) |
| Program Memory Size | 256 KB (85.5K x 24) Flash |
| RAM Size | 16 KB SRAM |
| Supply Voltage Range | 4.5 V to 5.5 V (5V class) |
| Operating Temperature | -40C to +85C (I grade) |
| Package | 28-SSOP |
| Mounting Type | Surface Mount |
| DMA Channels | 4 |
| Timers | 7 |
| Communication Interfaces | CAN 2.0B, LIN, SENT, UART, SPI, I2C |
| Analog Features | 12-bit ADC, on-chip op amps, comparators |
| PWM | High-resolution motor-control PWM |
| Peripheral Pin Select | Yes (PPS, RPn remappable pins) |
| Packaging | Tube |
| RoHS Status | Compliant |
DSPIC33EV256GM102-I/SS 28-ssop Pin Configuration Guide
Pin configuration for DSPIC33EV256GM102-I/SS (28-ssop 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-I/SS.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV256GM102-I/SS is suitable for 6 applications: BLDC and PMSM Motor Control, Automotive Sensing Modules, Digital Power Supplies and Battery Chargers, Appliance Control Boards, Industrial Automation and Control Nodes, Sensor Signal Acquisition Systems.
BLDC and PMSM Motor Control
The DSPIC33EV256GM102-I/SS fits motor control because its 70 MIPS DSP core executes field-oriented control and sensorless observer algorithms fast enough for kHz-rate current loops, while its high-resolution PWM peripherals generate complementary outputs with dead-time control. The on-chip 12-bit ADC with op amps amplifies low-level shunt-resistor signals without external amplification stages, and true 5V I/O drives gate drivers directly in noisy inverter cabinets where 3.3V controllers need level shifting and extra filtering. Firmware typically runs a 16 kHz PWM interrupt with ADC-triggered sampling; the DSP multiply-accumulate engine keeps the FOC loop latency low. Trade-off: 5V operation raises active power consumption versus 3.3V parts, so thermal design of the 5V regulator must account for full-speed 70 MIPS operation.
Recommended
Automotive Sensing Modules
Automotive sensor nodes benefit directly from the DSPIC33EV256GM102-I/SS because it integrates the three dominant automotive interfaces on one chip: CAN 2.0B for the vehicle bus, LIN for subnetworks, and SENT for SAE J2716 digital sensor links. The 5V supply range of 4.5V to 5.5V tolerates automotive load-dump-conditioned rails, and the extended-temperature -E/SS variant of the same die reaches 150C for under-hood placements. The 12-bit ADC samples pressure, position, and temperature sensors with 5V reference full-scale, improving SNR versus 3.3V designs. In a typical SENT node, the DSP core timestamps nibble edges in hardware-timed interrupts while DMA moves CAN frames, keeping CPU load minimal. The trade-off is that CAN transceivers are still external, adding BOM cost per node.
Recommended
Digital Power Supplies and Battery Chargers
Digital power conversion exploits the DSPIC33EV256GM102-I/SS combination of 70 MIPS compute, high-resolution PWM, and 5V analog. In a CC/CV battery charger, the 12-bit ADC samples output voltage, current, and temperature synchronously with the PWM period, while the DSP core runs the compensation loop and the PWM module adjusts duty cycle with fine resolution for tight regulation. The 5V I/O directly interfaces optocoupler feedback and gate-drive circuitry without level translation, and the 256 KB Flash accommodates protocol stacks (SMBus, CAN-based charge management) plus datalogging. Sleep and idle modes let the charger meet low standby-power targets. Key design consideration: keep the analog ground and PWM switching ground segregated, since 5V ADC accuracy is only as good as the layout.
Recommended
Appliance Control Boards
Home and commercial appliances - washers, refrigerators, induction cooktops - are electrically harsh environments with motor switching transients, which is exactly why Microchip designed the 5V dsPIC33EV family. The DSPIC33EV256GM102-I/SS gives appliance designers robust 5V noise margins, eliminating level-shifters between the controller, 5V sensors, TRIAC/MOSFET drive stages, and user-interface circuitry. Its 256 KB Flash holds UI state machines, motor algorithms, and fault-logging simultaneously; CAN and UART handle communication with displays and main boards. PPS (Peripheral Pin Select) lets one PCB layout remap UART/PWM pins across product variants, reducing SKU-specific hardware. Design consideration: appliance EMI environments demand careful PCB grounding and snubbers, since the 5V rails carry both the noisy switching side and the sensitive ADC inputs.
Recommended
Industrial Automation and Control Nodes
Industrial control nodes use the DSPIC33EV256GM102-I/SS as a compact, single-chip controller for actuators, valves, and sub-process loops. The 70 MIPS core handles PID loops at high update rates, seven timers coordinate multi-axis sequencing, and four DMA channels stream ADC results to RAM without CPU intervention. CAN connectivity integrates the node into factory fieldbus systems, while the 5V I/O tolerates the noise floor of contactors and VFD-equipped panels that would corrupt 3.3V logic. The -40C to +85C industrial grade covers unconditioned cabinets, and the tube packaging suits medium-volume contract manufacturing. A practical benefit is firmware longevity: the active dsPIC33EV family and MPLAB X toolchain support long industrial product lifecycles, and Flash self-programming enables field firmware updates over CAN.
Recommended
Sensor Signal Acquisition Systems
Precision sensor acquisition designs choose the DSPIC33EV256GM102-I/SS for its integrated analog front end: the 12-bit ADC with multiple channels, on-chip op amps, and comparators condition and digitize bridge, potentiometric, and current-loop sensors on one chip. Running the ADC at 5V reference doubles input full-scale and improves SNR by roughly 3.6 dB versus a 3.3V reference, meaningful for noisy industrial floors. The DSP engine applies digital filtering - IIR notch filters, RMS computation, averaging - at 70 MIPS, offloading work that would otherwise need an external DSP. SENT and UART outputs transmit digitized results to host systems. Design consideration: use the internal op amps with proper gain selection for mV-level bridge outputs, and budget the 16 KB SRAM carefully when buffering high-rate multi-channel samples.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV256GM102-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV256GM102-E/SS | DSPIC33EV256GM102-H/SS | DSPIC33EV256GM002-I/SS | DSPIC33EV128GM103T-I/M5 |
|---|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 70 MIPS, 16-bit | 70 MIPS, 16-bit | 70 MIPS, 16-bit | 70 MIPS, 16-bit | 70 MIPS, 16-bit |
| Flash Memory | 256 KB | 256 KB | 256 KB | 256 KB | 128 KB (-50%) |
| SRAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| 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 |
| Operating Temperature | -40C to +85C | -40C to +150C | Intermediate grade (per Microchip designation) | -40C to +85C | -40C to +85C |
| Communication (CAN/LIN/SENT) | CAN 2.0B, LIN, SENT | CAN 2.0B, LIN, SENT | CAN 2.0B, LIN, SENT | CAN, LIN (fewer protocol instances) | CAN, LIN, SENT |
Key Differentiators
- True 5V operation eliminates level-shifting (vs DSPIC33EP64MC502-I/SP)
- Full analog integration with on-chip op amps (vs DSPIC33EV256GM002-I/SS)
- Extended-temperature upgrade path (vs DSPIC33EV256GM102-E/SS)
- Largest Flash in the same footprint for this family (vs DSPIC33EV128GM103T-I/M5)
Design Notes
Design the 5V rail for worst-case active current at 70 MIPS plus I/O loading, not typical sleep current. Place a 0.1 uF ceramic capacitor at each VDD/VSS pair (28-SSOP has multiple power pins) within 3 mm of the package, plus one bulk 10 uF per rail. Because the device tolerates 4.5V to 5.5V, a cheap LDO off a 12V industrial rail works, but verify dropout and thermal margin at maximum load; a switching pre-regulator is preferable above ~200 mA total system current.
Keep the analog domain (VDDCORE/AVDD pins, ADC inputs, op-amp pins) on a quiet ground island separate from PWM/gate-drive returns, joined at a single point. Route ADC shunt-sense traces as short Kelvin connections directly to the shunt resistor. Use MCLR with a 10 kO pull-up and an ICSP header (MCLR, PGD, PGC, VDD, VSS) on every production board for in-circuit programming and debug - retrofitting it later is costly.
Peripheral Pin Select (PPS) must be configured before peripherals function; an unmapped RPn pin silently leaves UART or PWM dead, a frequent first-bring-up failure. Also mind Flash endurance and erase granularity when self-programming parameters in the field. If substituting the DSPIC33EV256GM002 for this part on the same board, re-verify op-amp-based gain stages because the 002 trims analog features versus the 102.
Estimated: at 5V and roughly 40-60 mA active current at full 70 MIPS operation (verify exact value in the family data sheet electrical tables), dissipation is about 0.2-0.3 W. The 28-SSOP theta_JA on a standard 4-layer board is on the order of 90-110 C/W, giving a junction rise near 20-30 C above ambient - acceptable at +85C ambient, but the +150C-rated -E/SS variant on a hot PCB needs measured validation, not estimates.
Compliance Information
RoHS compliant and lead-free per distributor listings (onlinecomponents.com, DigiKey). REACH, halogen-free, and conflict-minerals status not stated in provided data - obtain Microchip material declarations for formal documentation.
