DSPIC33EV256GM102-E/SP - 5V 60MHz 256KB Flash DSC | Microchip
MPN: DSPIC33EV256GM102-E/SP ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.99 | $4.99 |
| 10 | $4.68 | $46.80 |
| 100 | $4.36 | $436.00 |
| 500 | $4.02 | $2,010.00 |
| 1,000 | $3.68 | $3,680.00 |
DSPIC33EV256GM102-E/SP Overview
A digital signal controller combines the computational architecture of a digital signal processor (multiply-accumulate, DSP instructions, dual operand fetch) with the peripheral set and ease of use of a microcontroller (MCU). Within the power-management hierarchy of embedded systems, a DSC sits above general-purpose MCUs for control-loop tasks and below full DSPs for high-throughput signal processing, making it the natural choice for real-time closed-loop control such as field-oriented motor control, digital power conversion, and sensor signal conditioning in harsh 5V industrial environments.
Key features include on-chip CAN 2.0B for automotive and industrial fieldbus networking, six motor-control PWM channels for inverter and BLDC/ACIM drive stages, integrated analog peripherals, a Charge Time Measurement Unit (CTMU) for capacitive touch and time-based measurement, and a SENT (SAE J2716) interface for automotive sensor connectivity. The ECC Flash provides single-bit error correction, improving functional-safety posture in appliance, industrial, and automotive designs.
Architecturally, the dsPIC33EV core runs a 5V-tolerant pipeline that tolerates noisy 24V industrial rails without level shifting, a major differentiator against 3.3V MCUs. Per the dsPIC33EVXXXGM00X/10X family data sheet (Microchip DS70005144H), the device supports in-circuit serial programming (ICSP) with multiple PGECx/PGEDx clock-data pairs and hardware debugging.
Typical applications include appliance motor control (washers, fans, compressors), automotive body and comfort modules communicating over CAN, industrial power supplies, and harsh-environment sensor nodes using SENT or CTMU-based measurement.
Design consideration: keep all VDD/VSS pairs decoupled with 0.1uF ceramics close to the pins and connect VCAP/VDDCORE as specified in the datasheet to ensure core regulator stability.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer data sheet.
Drop-in alternatives for DSPIC33EV256GM102-E/SP — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
dsPIC33EV256GM102-I/SP
✅ Drop-In📋 Reference alternative (not in catalog)
dsPIC33EV256GM002-E/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
dsPIC33EV256GM004-E/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
dsPIC33EV128GM102-E/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
dsPIC33EV64GM102-E/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV256GM102-E/SP Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC DSC |
| Core Clock Speed | 60 MHz (60 MIPS) |
| Flash Program Memory | 256 KB (85.5K x 24) with ECC |
| RAM | 16 KB |
| Operating Voltage | 5 V |
| CAN Interface | CAN 2.0B |
| Motor Control PWM Channels | 6 MC PWM |
| Op Amps | 3 integrated op amps |
| CTMU | Charge Time Measurement Unit, yes |
| SENT Interface | Yes (SAE J2716 sensor interface) |
| ADC | 10-bit on-chip ADC |
| Programming Interface | ICSP (multiple PGECx/PGEDx pairs) |
| Operating Temperature Range | -40C to +125C (E grade) |
| Package | 28-pin SPDIP |
| Mounting Type | Through Hole |
| Functional Safety | dsPIC33EV family FuSa support |
| Supply Tolerance | Robust 5V operation for harsh environments |
DSPIC33EV256GM102-E/SP 28-pin spdip Pin Configuration Guide
Pin configuration for DSPIC33EV256GM102-E/SP (28-pin spdip 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/SP.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV256GM102-E/SP is suitable for 6 applications: Appliance Motor Control, Automotive Body and Comfort Modules, Industrial Power Supplies and Digital Power, Harsh-Environment Sensor Nodes, HVAC and Compressor Control, Industrial Automation and Robotics I/O.
Appliance Motor Control
The DSPIC33EV256GM102-E/SP fits appliance motor drives - washers, refrigerator compressors, fans, and pumps - because its 6 motor-control PWM channels directly drive three-phase inverter stages, and the integrated op amps condition low-side shunt current feedback without external amplifiers. The 60 MIPS DSP core executes field-oriented control (FOC) inner loops in tens of microseconds, meeting the bandwidth demands of BLDC and PMSM motors. Its 5V-referenced I/O tolerates noisy 24V relay-switched appliance environments, and the -40C to +125C E-grade rating survives unventilated enclosures. The ECC Flash protects program memory against electrical noise transients typical of switching loads. Place the DSC between the rectified DC bus gate-driver inputs with complementary PWM pairs and dead-time control handled in hardware, trading software complexity for deterministic switching.
Recommended
Automotive Body and Comfort Modules
For automotive body electronics - window lifts, seat controllers, lighting modules - the DSPIC33EV256GM102-E/SP combines a CAN 2.0B controller for in-vehicle networking with a SENT (SAE J2716) receiver for direct connection to throttle, pressure, and position sensors. The -40C to +125C extended temperature grade covers underhood and cabin-adjacent locations, while the 5V I/O matches legacy automotive sensor output levels without level shifting. The 256KB ECC Flash provides single-bit error correction, improving robustness for safety-relevant comfort functions in the dsPIC33EV functional-safety (FuSa) family framework. In a typical topology, the CAN transceiver connects to a remappable port pin, the SENT input captures sensor nibbles in hardware, and 6 MC PWM channels drive relay or H-bridge loads with deterministic timing under load-dump-prone 12V conditions.
Recommended
Industrial Power Supplies and Digital Power
Switch-mode power supplies, battery chargers, and UPS systems benefit from the DSPIC33EV256GM102-E/SP's combination of 6 motor-control PWM channels, a fast 10-bit ADC, and a 60 MIPS DSP core capable of average-current-mode and predictive control loops. The 5V core rides directly on auxiliary bias rails common in industrial power stacks, avoiding level-shifting front ends. The CTMU enables precision time-based measurements for input-line sensing and temperature via diode-based methods, and CAN links the supply into higher-level energy-management or battery-management fieldbus systems. Implementation typically interleaves multiple PWM phases at 100-500 kHz switching with ADC-triggered control interrupts; the ECC Flash mitigates program corruption from nearby high dv/dt switching nodes, which is a known failure mode in power-converter control electronics.
Recommended
Harsh-Environment Sensor Nodes
Industrial sensor nodes exposed to vibration, temperature extremes, and electrical noise use the DSPIC33EV256GM102-E/SP for its extended -40C to +125C rating, ECC Flash, and CTMU-based measurement engine. The CTMU measures capacitance, time, and current with sub-nanosecond charge timing, enabling capacitive level sensing and diode-based temperature measurement without dedicated front-end ICs. The integrated op amps buffer resistive bridge and ratiometric sensor outputs, and the 10-bit ADC digitizes conditioned signals at rates sufficient for most process-monitoring tasks. Data is exported over CAN 2.0B into industrial fieldbus networks or via remappable UART/SPI/I2C pins into Modbus-style RS-485 links using a transceiver. Because analog-to-pin routing stays on a single 5V domain, the node BOM avoids level translators and separate instrumentation amplifiers, reducing board area and failure points in field deployments.
Recommended
HVAC and Compressor Control
HVAC blowers, condenser fans, and variable-speed compressors are classic dsPIC33EV use cases: the DSPIC33EV256GM102-E/SP generates six-channel complementary PWM with hardware dead time for three-phase BLDC compressors while the on-chip op amps amplify shunt-resistor phase currents for sensorless back-EMF or FOC algorithms running on the 60 MIPS core. The extended temperature grade tolerates condenser-unit ambient swings, and the 5V domain interfaces cleanly with legacy hall sensors and pressure switches. CAN 2.0B connects the unit controller to thermostats and building-management networks, replacing discrete wiring runs. A typical design stages the DSC between hall/back-EMF conditioning networks and a six-MOSFET gate-driver board, using the ADC with PWM-triggered sampling for phase-current acquisition; the ECC Flash ensures firmware integrity across years of compressor switching transients on shared 24V rails.
Recommended
Industrial Automation and Robotics I/O
In factory automation cells and small robotic manipulators, the DSPIC33EV256GM102-E/SP serves as a compact motor-axis and I/O controller: 6 MC PWM channels drive brushed-DC and stepper stages, the 60 MIPS core runs cascaded position/velocity PI loops with encoder input on remappable pins, and CAN 2.0B links multiple axis controllers to a PLC or industrial PC backbone. The 5V-tolerant I/O directly reads 24V-derived prox sensors through simple resistor dividers, and the 256KB ECC Flash accommodates protocol stacks plus trajectory firmware with margin. The through-hole 28-pin SPDIP package simplifies prototyping and low-volume service replacement in control cabinets, a practical advantage over fine-pitch QFN parts. Designers typically allocate one PWM pair per motor phase, sample encoders via change-notification or input-capture pins, and close current loops at multi-kilohertz rates within the DSP core budget.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV256GM102-E/SP — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | dsPIC33EV256GM102-I/SP | dsPIC33EV256GM002-E/SP | dsPIC33EV256GM004-E/SP | dsPIC33EV128GM102-E/SP |
|---|---|---|---|---|---|
| Package | 28-pin SPDIP | 28-pin SPDIP - same | 28-pin SPDIP - same | 28-pin SPDIP - same | 28-pin SPDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 60 MHz (60 MIPS) | 60 MHz (60 MIPS) | 60 MHz (60 MIPS) | 60 MHz (60 MIPS) | 60 MHz (60 MIPS) |
| Flash Memory | 256 KB ECC | 256 KB ECC | 256 KB ECC | 256 KB ECC | 128 KB ECC |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +125C (E grade) |
| CAN Interface | CAN 2.0B | CAN 2.0B | CAN 2.0B | CAN 2.0B | CAN 2.0B |
| Motor Control PWM | 6 MC PWM | 6 MC PWM | Reduced PWM set (verify in DS70005144H) | Reduced PWM set (verify in DS70005144H) | 6 MC PWM |
Key Differentiators
- Extended temperature rating (vs dsPIC33EV256GM102-I/SP)
- Largest flash in the 28-pin SPDIP family (vs dsPIC33EV256GM002-E/SP)
- Cost-optimized footprint alternative for low-memory designs (vs dsPIC33EV64GM102-E/SP)
- 5V robust core versus 3.3V competitors (vs 3.3V MCU alternatives (STM32/PIC32 families))
Design Notes
Estimated: decouple every VDD pin with 0.1uF ceramic capacitors placed within 5 mm of the pin, plus a 4.7uF-10uF bulk capacitor per board. Connect the VCAP/VDDCORE pin to its required external capacitor exactly as specified in the family data sheet DS70005144H - omitting or undersizing this core-regulator capacitor is the most common cause of brown-out resets on dsPIC33EV boards. In 24V industrial systems, feed the 5V rail from a qualified wide-input regulator such as the MCP16301 family and verify 5V tolerance under load-dump and surge events.
ICSP programming requires a MATCHED PGECx/PGEDx pair: if ICSPCLK is routed to PGEC2, ICSPDAT must go to PGED2, per Microchip's dsPIC33EV programming support notes. Route exactly one full pair (plus MCLR) to a standard 5-pin programming header and keep traces short. Mixing clock and data pins from different pairs is a frequent bring-up failure. Also confirm that Peripheral Pin Select (PPS) assignments for CAN RX/TX do not conflict with pins reserved for PGED/PGEC during development.
When driving motor-control PWM into gate drivers, keep the six PWM traces as short and symmetric as possible and place a local ground return under each pair to limit coupling into the analog front end. Route op-amp feedback and shunt-sense traces away from PWM lines, and consider an RC filter (e.g., estimated 1k + 1nF for ~160 kHz cutoff) on ADC inputs sampled during PWM switching windows. Assign the CAN bus transceiver as close to the CAN TX/RX pins as layout allows with proper 120-ohm bus termination.
Estimated: at 60 MHz with all peripherals active, dsPIC33EV core current is on the order of tens of milliamps, so junction dissipation is roughly 0.1-0.3 W from the 5V rail - well within the 28-pin SPDIP capability without heatsinking. The main thermal risk is ambient: the -E grade permits +125C ambient, but PCB-mounted DIP sockets and enclosure ventilation must be checked. Verify worst-case ambient in the final enclosure rather than relying on room-temperature lab measurements.
Compliance Information
The /SP production part is supplied lead-free per standard Microchip packaging practice; explicit RoHS/REACH certificate statements were not present in the provided web data - request Microchip environmental declarations before regulated shipments.