DSPIC33EV128GM102-I/SP - 16-Bit 70MIPS 5V DSC | Microchip
MPN: DSPIC33EV128GM102-I/SP ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.17 | $0.17 |
| 10 | $0.16 | $1.60 |
| 100 | $0.15 | $15.00 |
| 500 | $0.14 | $70.00 |
| 1,000 | $0.13 | $130.00 |
DSPIC33EV128GM102-I/SP Overview
A digital signal controller combines the computational architecture of a digital signal processor (multiply-accumulate, DSP instruction set, dual operand fetch) with the peripheral integration and deterministic control of a microcontroller, sitting in the hierarchy between a general-purpose MCU and a dedicated DSP. The dsPIC33EV family extends this concept with a 5V-tolerant core, making it part of the broader 16-bit MCU/DSC product category aimed at electrically noisy environments where 3.3V controllers require extra level-shifting circuitry.
Key features include single-cycle MAC and DSP engine operation at 70 MIPS, 128KB of Flash with ECC (error correction code) for functional-safety designs, 4 DMA channels, 7 timers, CAN 2.0B for automotive and industrial networking, SENT and LIN protocol support, on-chip op-amps, and a 12-bit ADC with motor-control PWM peripherals. The Peripheral Pin Select (PPS) system allows remapping of digital peripherals onto many I/O pins, greatly increasing layout flexibility.
Technically, the dsPIC33EV core runs from a 4.5V to 5.5V supply (nominal 5.0V) and integrates a DSP engine with two 40-bit wide accumulators, hardware division support, and a fast interrupt system. The Extended-temperature (E) variant options and the robust 5V I/O structure target harsh-environment operation with high noise immunity, electrical fast transient tolerance, and vibration resistance in automotive and appliance applications.
Typical applications include automotive sensor and control units, BLDC and PMSM motor control with CAN networking, industrial power supplies and inverters, appliance control boards, and off-road/heavy equipment electronics where a 5V rail directly drives sensors without level translators.
Design consideration: because this is the -I/SP industrial-grade, 28-pin SPDIP (through-hole) version, it suits prototyping and rugged boards; for automated SMT assembly, the identical die is available in SOIC and SSOP packages, so consider package variants early in the design cycle.
This page synthesizes distributor pricing, drop-in same-family alternatives, pinout guidance, and practical design notes not consolidated in the manufacturer datasheet. Pricing references are as of 2026-09-26.
Drop-in alternatives for DSPIC33EV128GM102-I/SP — 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 DSPIC33EV128GM102-I/SP (same form factor and footprint) — differing in Core Architecture, Package, RAM, Operating Temperature, PWM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV128GM102-H/SP
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV128GM102-M/SP
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV256GM102-I/SP
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.1 / Unit
View Datasheet →DSPIC33EV64GM102-I/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV128GM002-I/SP
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.86 / Unit
View Datasheet →DSPIC33EV128GM102-I/SP Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E DSC with DSP engine |
| Maximum CPU Speed | 70 MIPS |
| Program Memory (Flash) | 128 KB (43K x 24) with ECC |
| RAM | 8 KB (8192 words) |
| DMA Channels | 4 |
| Timers | 7 |
| External Interrupts | 3 |
| Supply Voltage Range | 4.5 V to 5.5 V (nominal 5.0 V) |
| Communication Interfaces | CAN 2.0B, SENT, LIN, 2x UART, 2x SPI, 2x I2C |
| ADC | 12-bit, high-speed |
| Analog Comparators / Op Amps | On-chip comparators and op amps |
| PWM | Motor Control PWM with dead-time |
| Peripheral Pin Select (PPS) | Yes, remappable digital I/O |
| Temperature Grade | -40C to +85C (Industrial, -I suffix) |
| Package | 28-pin SPDIP (SP), through-hole |
| Mounting Type | Through Hole |
| Functional Safety Support | FuSa-capable with ECC Flash |
DSPIC33EV128GM102-I/SP 28-pin spdip (sp), through-hole Pin Configuration Guide
Pin configuration for DSPIC33EV128GM102-I/SP (28-pin spdip (sp), through-hole 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 DSPIC33EV128GM102-I/SP.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV128GM102-I/SP is suitable for 6 applications: Automotive Sensor and Control Units, BLDC and PMSM Motor Control, Industrial Power Supplies and Inverters, Appliance Control Boards, Off-Road and Heavy Equipment Electronics, Industrial Automation and Sensor Nodes.
Automotive Sensor and Control Units
The DSPIC33EV128GM102-I/SP fits automotive sensor and control units because Microchip designed the dsPIC33EV family specifically for harsh automotive environments with noise, vibration, and wide supply transients. Its 5V core operates from a 4.5V-5.5V rail common in vehicle electronics, while the integrated CAN 2.0B controller connects directly to in-vehicle networks via an external transceiver, and the SENT peripheral interfaces with modern SENT-output sensors per SAE standards. The 128KB ECC Flash protects program integrity against bit upsets, supporting functional-safety-oriented designs. Designers typically clock the DSC at 70 MIPS for real-time signal conditioning of pressure, position, and temperature sensors, using the 12-bit ADC and on-chip op amps to complete the analog front end without external amplifier ICs, reducing BOM cost and board area.
Recommended
BLDC and PMSM Motor Control
The DSPIC33EV128GM102-I/SP is well suited to brushless DC and permanent-magnet synchronous motor control: its DSP engine executes field-oriented control loops at 70 MIPS with single-cycle MAC operations, while the motor-control PWM peripheral generates complementary outputs with hardware dead-time insertion for three-phase bridges. The 12-bit ADC with DMA streams phase-current and bus-voltage samples without CPU overhead, and on-chip comparators plus op amps implement overcurrent trip and current-sense amplification in the analog domain. The 5V I/O provides robust noise margin near switching power stages - a key advantage over 3.3V MCUs in motor-drive environments with high dv/dt. With 128KB ECC Flash, sensor-FOC or sensorless (back-EMF observer) firmware plus CAN or UART commissioning interfaces fit comfortably in this controller.
Recommended
Industrial Power Supplies and Inverters
In industrial power conversion - solar inverters, UPS systems, and switch-mode power supplies - the DSPIC33EV128GM102-I/SP provides the digital control loop with its 70 MIPS core, hardware PWM with dead-time control, and fast 12-bit ADC sampling of voltage and current feedback. The 5V-tolerant I/O interfaces cleanly with gate-driver logic and legacy 5V telemetry signals common on industrial boards, while the CAN and UART peripherals report status over factory networks. ECC Flash maintains firmware integrity across years of continuous operation, and 4 DMA channels offload telemetry logging. Designers should allocate the PPS-remappable PWM pins to simplify PCB routing around the magnetics, and use the watchdog plus brown-out features to ensure safe shutdown behavior during input sag or fault events in compliance with industrial reliability expectations.
Recommended
Appliance Control Boards
Home and commercial appliance controllers benefit directly from the dsPIC33EV family's design goals: Microchip positions it for appliances operating in harsh environments with line transients, humidity, and vibration. The DSPIC33EV128GM102-I/SP's 5V operation eliminates level shifters between the controller, 5V sensor ICs, triac-driving circuitry, and legacy display drivers, reducing component count on cost-sensitive appliance boards. Its 70 MIPS DSP capability handles compressor sensorless motor control and power-factor correction, while the 128KB ECC Flash stores generous firmware for touch sensing, UI state machines, and communication. The 28-pin SPDIP through-hole package simplifies hand assembly for service-repairable appliance designs and low-volume production, and the industrial temperature range of -40C to +85C covers unconditioned laundry and kitchen environments.
Recommended
Off-Road and Heavy Equipment Electronics
Agricultural, construction, and mining equipment exposes electronics to extreme vibration, wide temperature swings, and 12V/24V supply transients - conditions the 5V-robust DSPIC33EV128GM102-I/SP was engineered to survive. The CAN 2.0B controller integrates the machine into SAE J1939-style networks through an external transceiver, the SENT peripheral reads digital-output pressure and position sensors, and the high-noise-margin 5V I/O tolerates the electrically harsh harness environment far better than 3.3V parts. The 70 MIPS core executes real-time filter chains for noisy analog signals, and 128KB ECC Flash safeguards firmware across shock and EMI events. Through-hole SPDIP mounting on this variant adds mechanical solder-joint robustness valued in high-vibration electronic modules and serviceable field equipment.
Recommended
Industrial Automation and Sensor Nodes
Factory automation nodes - analog sensor transmitters, valve controllers, and sub-PLC I/O modules - use the DSPIC33EV128GM102-I/SP where 70 MIPS of DSP headroom conditions raw sensor data, the 12-bit ADC plus on-chip op amps form a compact analog front end, and CAN or dual UARTs bridge to supervisory controllers. The 4.5V-5.5V supply range tolerates long industrial cable runs with voltage drop, and Peripheral Pin Select lets one PCB layout serve multiple product variants by remapping UART/SPI/PWM pins in firmware rather than copper. The 128KB ECC Flash retains calibration tables and logged diagnostics, and the -40C to +85C industrial grade covers unconditioned cabinets. DSP multiply-accumulate throughput supports digital filtering, RMS metering, and FFT-based vibration diagnostics directly on-node.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV128GM102-I/SP — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV128GM102-H/SP | DSPIC33EV128GM102-M/SP | DSPIC33EV256GM102-I/SP | DSPIC33EV64GM102-I/SP | DSPIC33EV128GM002-I/SP |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SPDIP (SP) | 28-SPDIP (SP) - same | 28-SPDIP (SP) - same | 28-SPDIP (SP) - same | 28-SPDIP (SP) - same | 28-SPDIP (SP) - same |
| Program Memory (Flash) | 128 KB ECC | 128 KB ECC | 128 KB ECC | 256 KB ECC | 64 KB ECC | 128 KB ECC |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| 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 |
| CAN 2.0B | Yes | Yes | Yes | Yes | Yes | No |
| Temperature Range | -40C to +85C (Industrial) | H grade range | M grade range (extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
Key Differentiators
- Native 5V operation eliminates level-shift circuitry (vs DSPIC33EP64MC502-I/SP)
- Integrated CAN 2.0B for automotive networking (vs DSPIC33EV128GM002-I/SP)
- Expandable memory headroom within the same footprint (vs DSPIC33EV64GM102-I/SP)
- Through-hole SPDIP for rugged and repairable designs (vs DSPIC33EV128GM102-I/SS)
Design Notes
Power the DSPIC33EV128GM102-I/SP from a regulated 5.0V supply within the 4.5V-5.5V datasheet window. Place 0.1uF ceramic decoupling capacitors at each VDD/VSS pin pair, within 5 mm of the pins, plus a 4.7uF-10uF bulk capacitor near the controller. Because this SPDIP version is often used on prototyping and mixed-signal boards, keep the analog VDD path filtered (ferrite bead or RC) for the cleanest 12-bit ADC results, and follow Microchip's family datasheet (DS70005144H) power-up timing requirements for MCLR supervision and brown-out configuration.
Remember that most digital pins on the dsPIC33EV are not dedicated: Peripheral Pin Select (PPS) must be explicitly configured (unlock sequence, RPINR/RPOR registers) before UART, SPI, PWM, or CAN I/O appear on chosen pins. A common failure is assuming a function has a fixed pin - it does not, except for analog inputs and PPS-exempt pins listed in datasheet Section 11.5. Also verify the CAN module needs an external transceiver (e.g. MCP2551-class) - the controller is logic-level only - and set oscillator configuration fuses correctly or the part will run at the wrong 70 MIPS operating point.
For motor-control use, route the PWM outputs to gate drivers with short, matched traces and keep current-sense analog returns away from PWM switching loops to protect the 12-bit ADC from dv/dt coupling. The 5V I/O gives extra noise margin over 3.3V parts, but still isolate the analog ground plane under the ADC input network. When prototyping on the SPDIP package, consider designing the production footprint as a dual through-hole/SOIC pad pattern since the same die is offered in -I/SO and -I/SS surface-mount packages, letting you migrate to automated assembly without a firmware or schematic change.
Estimated: at 70 MIPS with all peripherals active, this DSC typically draws tens of milliamps (order of 30-60 mA class per family datasheet current tables), so junction dissipation is roughly 0.15-0.3 W at 5.0V. In the 28-pin SPDIP package this yields a modest junction rise well inside the -40C to +85C industrial rating without heatsinking. Verify against the datasheet current-consumption tables for your exact clock and peripheral configuration, and derate for high ambient temperatures in sealed enclosures.
Compliance Information
Compliance statements were not present in the provided verified web data. Microchip standard production parts of this family are typically RoHS-compliant, but this must be confirmed from the Microchip product page or certificate of conformance; Automotive grade AEC-Q100 status should be verified with Microchip for the M-grade variant.
