DSPIC33EV256GM104-E/P8 - 16-bit 5V DSC, 256KB Flash, CAN | Microchip
MPN: DSPIC33EV256GM104-E/P8 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.46 | $5.46 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
DSPIC33EV256GM104-E/P8 Overview
A digital signal controller combines the compute capability of a digital signal processor (DSP) with the peripheral integration and deterministic control of a microcontroller (MCU). Within the power-management hierarchy of embedded systems, the dsPIC33EV family sits in the 16-bit MCU/DSC class, targeting real-time control loops where both math throughput and rugged I/O matter. The dsPIC33EV line is specifically built by Microchip for harsh environments such as appliances, industrial equipment, and automotive systems.
Key features include 256KB of ECC-protected Flash (a major reliability benefit in high-vibration and high-noise environments), an on-chip CAN module for automotive and industrial networking, six motor-control PWM channels for inverter and motor drive designs, and three integrated operational amplifiers that reduce external component count in current-sense and analog front-end circuits. The CTMU (Charge Time Measurement Unit) supports capacitive touch and precise time measurement, while the SENT peripheral serves automotive sensor interfaces.
Technically, the dsPIC33EV core executes DSP instructions with hardware multiply-accumulate, making it well suited for field-oriented control (FOC) of motors, digital power conversion, and sensor signal processing. The 5V-tolerant supply domain simplifies direct interfacing with automotive sensors and industrial logic without level shifting, a key differentiator versus 3.3V-only competitors.
Typical applications include BLDC/PMSM motor control, on-board automotive chargers and DC-DC converters, industrial HVAC and appliance control boards, and SENT/CAN sensor nodes.
Design consideration: take advantage of the three on-chip op amps for current shaping to cut BOM cost, but verify Flash ECC configuration and clock fail-safe settings early in development for safety-relevant designs.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EV256GM104-E/P8 — 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 DSPIC33EV256GM104-E/P8 (same form factor and footprint) — differing in Package, RAM, Flash Memory, Operating Temperature, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV256GM104-I/P8
✅ Drop-In✓ In Stock
$4.3 / Unit
View Datasheet →DSPIC33EV256GM104-H/P8
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV128GM104-E/P8
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.4 / Unit
View Datasheet →DSPIC33EV256GM104-E/P8 Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC DSC |
| Supply Voltage | 5 V |
| Flash Memory | 256 KB (ECC) |
| RAM | 4 KB |
| Core Frequency | 60 MHz |
| CAN Module | Yes |
| Motor Control PWM Channels | 6 MC PWM |
| On-chip Op Amps | 3 |
| CTMU | Yes |
| SENT Peripheral | Yes |
| Package | 48-TQFP (7x7 mm) |
| Temperature Grade | Extended (-E) |
| Operating Temperature | -40C to +125C |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lifecycle Status | Active production |
DSPIC33EV256GM104-E/P8 48-tqfp (7x7 mm) Pin Configuration Guide
Pin configuration for DSPIC33EV256GM104-E/P8 (48-tqfp (7x7 mm) 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 DSPIC33EV256GM104-E/P8.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV256GM104-E/P8 is suitable for 6 applications: BLDC/PMSM Motor Control, Automotive Body and Sensor Nodes, Digital Power Conversion, Industrial HVAC and Appliance Control, Capacitive Touch and CTMU-based Sensing, CAN-connected Industrial Sensing and Gateways.
BLDC/PMSM Motor Control
The DSPIC33EV256GM104-E/P8 fits motor drive designs through its six motor-control PWM channels, which generate complementary center-aligned PWM with dead-time insertion for three-phase inverters, and its 60 MHz DSP core, which executes field-oriented control (FOC) loops with hardware multiply-accumulate at loop rates above 10 kHz. The three integrated op amps shape low-side shunt currents into the ADC range, eliminating three external amplifiers and reducing BOM cost and board area. In a 5V system, the controller interfaces directly with gate drivers and Hall or encoder sensors without level shifting. A typical quantified benefit: a FOC loop with 3-shunt sampling can run deterministically under interrupt with the ECC Flash protecting code integrity in high-vibration industrial drives.
Recommended
Automotive Body and Sensor Nodes
The DSPIC33EV256GM104-E/P8 suits automotive nodes because the dsPIC33EV family was designed by Microchip specifically for harsh automotive environments, and this -E grade part operates from -40C to +125C. The on-chip CAN module handles in-vehicle networking, while the SENT peripheral interfaces linear and Hall-effect sensors using the SAE SENT single-wire protocol common in modern powertrain and chassis systems. The 5V supply domain matches legacy automotive sensor outputs directly, avoiding level-translation error budget. The CTMU supports capacitive touch interfaces for controls and precise charge-time measurement for sensor diagnostics. The 256KB ECC Flash provides bit-error protection for firmware integrity across wide temperature excursions, a practical reliability consideration for modules mounted near the engine or in exterior lighting.
Recommended
Digital Power Conversion
The DSPIC33EV256GM104-E/P8 fits digital power designs such as LLC converters, PFC stages, and DC-DC modules where a 60 MHz core runs control loops with DSP-grade math precision. The high-resolution MC PWM outputs provide phase-shifted and complementary drive with fine duty and dead-time granularity needed by resonant topologies. The on-chip op amps condition current-transformer or shunt feedback signals directly into the ADC, shortening the analog front-end and reducing loop latency. The 5V peripheral domain simplifies connection to industrial feedback circuits and fault comparators that operate at legacy 5V thresholds. ECC Flash and clock fail-safe features add protective redundancy appropriate to power supplies that must fail predictably in telecom and industrial power applications.
Recommended
Industrial HVAC and Appliance Control
The DSPIC33EV256GM104-E/P8 is aimed by Microchip at appliance and industrial applications operating in harsh, noisy environments, and this controller delivers on that with 5V noise-tolerant I/O and ECC Flash. In HVAC boards it drives compressor and fan motors using the six MC PWM channels, reads NTC and pressure sensors through the ADC (with the CTMU available for capacitive touch user panels), and communicates over CAN or UART to supervisory controllers. The three on-chip op amps condition compressor current signals for overload detection without external amplifiers. The extended -40C to +125C range covers rooftop units and refrigeration equipment exposed to wide ambient swings. The 256KB program space accommodates protocol stacks plus control and HMI firmware in a single-chip design.
Recommended
Capacitive Touch and CTMU-based Sensing
The DSPIC33EV256GM104-E/P8 includes the Charge Time Measurement Unit (CTMU), which measures capacitance by precise constant-current charging of sensor nodes - the basis of Microchip's mTouch-style capacitive touch solutions. In appliance panels, industrial keypads, and sealed automotive controls, the CTMU enables touch or proximity detection through glass and plastic overlays with no mechanical switches, improving reliability and cleaning compatibility in harsh environments. The 60 MHz core runs touch-decision algorithms and debouncing alongside the main application because the DSP-class throughput leaves ample timing margin. Combined with the 5V noise-immune I/O domain and ECC Flash for firmware integrity, a single 48-TQFP controller can replace discrete touch ICs plus a separate MCU, cutting BOM and board space.
Recommended
CAN-connected Industrial Sensing and Gateways
The DSPIC33EV256GM104-E/P8 fits industrial sensing nodes and small gateways through its integrated CAN module and rich analog integration. A typical node samples analog transducers (the three on-chip op amps pre-condition signals), performs DSP filtering and scaling at 60 MHz, and publishes results on a CAN bus at 1 Mbit/s. The SENT peripheral additionally supports modern sensor protocols, letting one controller bridge legacy analog sensors and SENT/CAN networks in retrofit equipment. The 5V logic domain connects directly to industrial 24V-referenced signal conditioning front ends, and the extended temperature grade permits DIN-rail or enclosure-edge mounting where ambient exceeds standard industrial limits. ECC Flash protects configuration and firmware against bit flips in electrically noisy factory environments, improving long-term field uptime.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV256GM104-E/P8 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV256GM104-I/P8 | DSPIC33EV256GM104-H/P8 | DSPIC33EV128GM104-E/P8 |
|---|---|---|---|---|
| Package | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | 16-bit dsPIC DSC, 5V | 16-bit dsPIC DSC, 5V | 16-bit dsPIC DSC, 5V | 16-bit dsPIC DSC, 5V |
| Flash Memory | 256 KB ECC | 256 KB ECC | 256 KB ECC | 128 KB ECC |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB |
| Operating Temperature | -40C to +125C (-E) | -40C to +85C (-I) | H-grade per Abacus data | -40C to +125C (-E) |
| Peripherals | CAN, 6 MC PWM, 3 Op Amps, CTMU, SENT | Identical set | Identical set | Identical set |
| Lifecycle | Active | Active | Active | Active |
Key Differentiators
- Extended +125C temperature rating (vs DSPIC33EV256GM104-I/P8)
- Double program memory headroom (vs DSPIC33EV128GM104-E/P8)
- Integrated analog front end (vs DSPIC33EV256GM104-I/P8)
Design Notes
The dsPIC33EV family operates from a 5V supply domain; provide a single clean 5V rail with local 0.1 uF ceramic decoupling on each VDD pin pair and a bulk 4.7-10 uF capacitor near the device. If the board derives 5V from an automotive or industrial 24V bus, add transient protection (TVS and series impedance) ahead of the regulator. Verify VDD ripple stays within datasheet limits under PWM switching load, since motor-control PWM edges can couple supply noise into the ADC reference and degrade current-sense accuracy.
In the 48-TQFP (7x7 mm) footprint, route the oscillator and CAN differential pair away from the MC PWM outputs and op-amp analog traces to minimize crosstalk. Use a solid ground plane and keep the three on-chip op-amp feedback loops (external resistors) short and symmetric. Tie VSS pins directly to the ground plane with multiple vias. Reserve test points or a 0.1-inch header for ICSP/ICD programming so firmware updates remain possible after assembly.
Do not confuse package variants: the /P8 is a 48-pin 7x7 mm TQFP while the /PT is a 44-pin 10x10 mm TQFP - they are not footprint interchangeable. The -E (extended, +125C) and -I (industrial, +85C) grades share the same footprint but differ in temperature rating; choosing -I for an under-hood application risks field failures. Also verify oscillator/PLL configuration early: the family datasheet (DS70005144H) defines the valid frequency-MIPS combinations and clock fail-safe behavior.
Compliance Information
EU RoHS and REACH compliant per Abacus Technologies compliance data for the DSPIC33EV256GM104 family. DRC status: DRC Conflict Free.
