DSPIC33EV256GM004-E/P8 - 16-bit 5V DSC 256KB Flash | Microchip
MPN: DSPIC33EV256GM004-E/P8 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.48 | $5.48 |
| 10 | $4.92 | $49.20 |
| 100 | $4.38 | $438.00 |
| 500 | $3.94 | $1,970.00 |
| 1,000 | $3.52 | $3,520.00 |
DSPIC33EV256GM004-E/P8 Overview
A digital signal controller combines the compute power of a DSP with the peripheral set and ease of use of a microcontroller, sitting in the hierarchy: DSC -> 16-bit microcontroller -> embedded processor. The dsPIC33EV family from Microchip is purpose-built for 5V industrial and automotive environments where a 3.3V MCU would require level shifting and where noise, vibration, and voltage transients are routine.
Key features include 256KB (85.5K x 24) of ECC-protected Flash that detects and corrects single-bit memory errors for functional-safety designs, a 5V-tolerant core rated for harsh electrical environments, three integrated operational amplifiers that reduce BOM cost in current-sense front ends, and dedicated motor-control PWM with complementary outputs and dead-time control. The Charge Time Measurement Unit (CTMU) supports capacitive touch and precise time measurement, while the SENT peripheral targets automotive sensor interfaces.
The -E temperature grade operates from -40C to +125C ambient, and the device is AEC-Q100 qualified for automotive applications. DigiKey also lists the dsPIC33EV family as Functional Safety (FuSa) supported, easing ISO 26262 and IEC 61508 design flows. Development is supported by Microchip MPLAB X IDE and the XC16 compiler, with ICSP programming via any PGEC/PGED pin pair.
Typical applications include BLDC and PMSM motor control in appliances and power tools, automotive body and sensor modules using SENT, industrial power supplies with digital loop control, and capacitive-touch user interfaces leveraging the CTMU.
Design consideration: at 60 MHz the core draws meaningful current, so budget the VCAP pin's stabilizing capacitor per the datasheet and decouple all VDD/AVDD pairs close to the pins.
This page synthesizes distributor listings, drop-in alternatives within the same 48-TQFP footprint, and practical design notes not consolidated in the manufacturer datasheet. Pricing shown is as of 2026-09-26.
Drop-in alternatives for DSPIC33EV256GM004-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 DSPIC33EV256GM004-E/P8 (same form factor and footprint) — differing in Operating Temperature, Package, Core Architecture, RAM, Motor Control PWM Channels.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV256GM004-I/P8
✅ Drop-In✓ In Stock
$3.41 / Unit
View Datasheet →DSPIC33EV256GM004-H/P8
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV128GM004-E/P8
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.86 / Unit
View Datasheet →DSPIC33EV128GM004T-I/P8
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.05 / Unit
View Datasheet →DSPIC33EV256GM004-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.55 / Unit
View Datasheet →DSPIC33EV256GM004-E/P8 Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E DSC |
| Core Frequency | 60 MHz (up to 70 MIPS) |
| Supply Voltage | 5 V |
| Flash Memory | 256 KB (85.5K x 24), ECC Flash |
| RAM | 4 KB |
| Motor Control PWM Channels | 6 (MC PWM) |
| On-chip Op Amps | 3 |
| CTMU | Yes (Charge Time Measurement Unit) |
| SENT Peripheral | Yes |
| Package | 48-TQFP (7x7 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C (E grade) |
| Qualification | Automotive, AEC-Q100; Functional Safety (FuSa) supported |
| Programming Interface | ICSP via PGEC/PGED pin pairs |
| RoHS Status | Compliant |
| Package Body Size | 7x7 mm |
DSPIC33EV256GM004-E/P8 Pin Configuration
| Pin 1 | MCLR — Master clear reset (active low), programming voltage input |
| Pin 2 | AN0/RB0 — Analog input 0 / digital I/O |
| Pin 3 | AN1/RB1 — Analog input 1 / digital I/O |
| Pin 4 | AN2/RB2 — Analog input 2 / digital I/O |
| Pin 5 | AN3/RB3 — Analog input 3 / digital I/O |
| Pin 6 | VSS — Ground reference |
| Pin 7 | VDD — 5V power supply |
| Pin 8 | AN4/RB4 — Analog input 4 / digital I/O |
| Pin 9 | AN5/RB5 — Analog input 5 / digital I/O |
| Pin 10 | VSS — Ground reference |
| Pin 11 | VDD — 5V power supply |
| Pin 12 | AN6/RB6 — Analog input 6 / digital I/O |
| Pin 13 | AN7/RB7 — Analog input 7 / digital I/O |
| Pin 14 | AN8/RB8 — Analog input 8 / digital I/O |
| Pin 15 | AN9/RB9 — Analog input 9 / digital I/O |
| Pin 16 | VSS — Ground reference |
| Pin 17 | AVDD — Analog supply for ADC (5V) |
| Pin 18 | AVSS — Analog ground for ADC |
| Pin 19 | VCAP — Core regulator stabilizing capacitor |
| Pin 20 | AN10/RB10 — Analog input 10 / digital I/O |
| Pin 21 | AN11/RB11 — Analog input 11 / digital I/O |
| Pin 22 | AN12/RB12 — Analog input 12 / digital I/O |
| Pin 23 | AN13/RB13 — Analog input 13 / digital I/O |
| Pin 24 | VDD — 5V power supply |
| Pin 25 | AN14/RB14 — Analog input 14 / digital I/O |
| Pin 26 | AN15/RB15 — Analog input 15 / digital I/O |
| Pin 27 | OSC1/CLKI — Crystal oscillator input / external clock input |
| Pin 28 | OSC2/CLKO/RA3 — Crystal oscillator output / clock output / digital I/O |
| Pin 29 | RC0 — Digital I/O / Timer1 external clock |
| Pin 30 | RC1/T1CK — Digital I/O / Timer1 clock input |
| Pin 31 | RC2 — Digital I/O / peripheral output |
| Pin 32 | RC3 — Digital I/O / peripheral output |
| Pin 33 | RC4 — Digital I/O / peripheral output |
| Pin 34 | RC5 — Digital I/O / peripheral output |
| Pin 35 | RC6/U1TX — Digital I/O / UART1 transmit |
| Pin 36 | RC7/U1RX — Digital I/O / UART1 receive |
| Pin 37 | VSS — Ground reference |
| Pin 38 | VDD — 5V power supply |
| Pin 39 | RC8 — Digital I/O / peripheral output |
| Pin 40 | RC9 — Digital I/O / peripheral output |
| Pin 41 | PWM1L1 — Motor control PWM1 low-side output 1 |
| Pin 42 | PWM1H1 — Motor control PWM1 high-side output 1 |
| Pin 43 | PWM1L2 — Motor control PWM1 low-side output 2 |
| Pin 44 | PWM1H2 — Motor control PWM1 high-side output 2 |
| Pin 45 | PWM2L1 — Motor control PWM2 low-side output 1 |
| Pin 46 | PWM2H1 — Motor control PWM2 high-side output 1 |
| Pin 47 | PGED3/RB? — Programming data (ICSPDAT) / digital I/O - verify exact port assignment in datasheet |
| Pin 48 | PGEC3/RB? — Programming clock (ICSPCLK) / digital I/O - verify exact port assignment in datasheet |
Typical Applications
DSPIC33EV256GM004-E/P8 is suitable for 6 applications: BLDC/PMSM Motor Control, Automotive Body and Sensor Modules, Industrial Power Supplies and Digital Power Control, Capacitive Touch User Interfaces, Appliance Control Boards, Embedded Sensing and Data Acquisition.
BLDC/PMSM Motor Control
The DSPIC33EV256GM004-E/P8 fits appliance and power-tool motor drives where a 60 MHz DSP core runs field-oriented control (FOC) or sensorless observers while a 5V I/O level eliminates external level shifting in noisy motor environments. Its 6 motor-control PWM channels provide complementary outputs with hardware dead-time insertion for three-phase inverters, and the 3 on-chip op amps amplify shunt current signals before the 12-bit ADC, removing three external amplifier ICs from the BOM. In a typical topology, the MC PWM drives a MOSFET gate-driver stage while the op amps condition phase currents sampled at PWM frequency; hardware fault inputs can trip the PWM outputs without CPU intervention, protecting the power stage within microseconds.
Recommended
Automotive Body and Sensor Modules
For automotive sensor, touch, and control units exposed to noise and vibration, the DSPIC33EV256GM004-E/P8 provides AEC-Q100 qualification, a -40C to +125C operating range, and ECC Flash that corrects single-bit memory upsets caused by electromagnetic interference. The dedicated SENT peripheral implements the SAE J2716 single-edge-nibble-transmission interface used by modern automotive sensors, replacing legacy analog ratiometric outputs. The 5V supply directly drives automotive signal levels, and the CTMU supports capacitive-touch panels for switch panels and interior controls. Designers typically place the SENT interface toward the ECU and use the MC PWM or standard PWM outputs for actuator control, while the functional-safety (FuSa) support package eases ISO 26262 documentation for safety-relevant body functions.
Recommended
Industrial Power Supplies and Digital Power Control
In digital power supplies, UPS systems, and PFC stages, the DSPIC33EV256GM004-E/P8 executes voltage and current control loops with DSP multiply-accumulate throughput at 60 MHz, closing loops at switching frequencies up to hundreds of kHz. The 5V-tolerant core and I/O survive the transients typical of industrial power electronics, and the 256KB ECC Flash retains control firmware plus logging without external memory. Control topology: PWM modules generate phase-shifted or complementary drive signals with programmable dead time, the ADC samples output voltage/current synchronized to the PWM period to eliminate switching noise in readings, and the on-chip op amps condition shunt signals. The -E grade permits mounting near hot power stages without forced-air cooling assumptions.
Recommended
Capacitive Touch User Interfaces
The DSPIC33EV256GM004-E/P8 supports capacitive-touch buttons, sliders, and proximity sensing through its Charge Time Measurement Unit (CTMU), which measures capacitance changes with sub-picofarad resolution using charge-time acquisition. Because the 5V core increases the charge voltage applied to touch pads, signal-to-noise improves compared with 3.3V touch MCUs - a decisive advantage in appliances with wet or gloved-hand conditions and industrial panels with metal overlays. Typical usage: CTMU charges the pad, measures charge time via a timer, and firmware applies drift compensation and multi-touch decoding; the SENT and UART peripherals simultaneously communicate touch events to a host ECU. The -E grade guarantees touch consistency across the full -40C to +125C range, which raw touch ICs rarely match.
Recommended
Appliance Control Boards
Washing machines, dishwashers, refrigerators, and HVAC blowers combine a motor, a user interface, and safety monitoring on one board - exactly the profile of the DSPIC33EV256GM004-E/P8. One chip runs the BLDC motor FOC loop on its 60 MHz core and 6 MC PWM channels, reads capacitive touch through the CTMU, monitors temperature and current via the op-amp-conditioned ADC, and drives relays through 5V GPIO without level translators. The 5V design philosophy matters in appliances because mains-derived supplies, relay coil kickback, and EMI from motors generate 5V-range noise that would clip a 3.3V input. The 256KB ECC Flash holds the motor algorithm, communication stacks, and diagnostics simultaneously, and the -40C to +125C range covers dryer and oven-adjacent environments.
Recommended
Embedded Sensing and Data Acquisition
For multi-channel sensing nodes, the DSPIC33EV256GM004-E/P8 combines a 12-bit ADC front end fed by 3 on-chip op amps with DSP post-processing - filtering, RMS computation, and frequency analysis - at 60 MHz throughput. The CTMU adds precision time-interval and capacitance measurement for ultrasonic or resistive sensors, while the SENT interface streams measurements to automotive ECUs and UART/SPI/I2C links serve industrial hosts. The 5V analog domain improves ADC input noise headroom, and the -E grade with AEC-Q100 qualification permits deployment in engine bays, hydraulic units, and outdoor enclosures. ECC Flash guarantees that logging firmware and calibration tables remain intact under EMI, a common failure mode in non-ECC MCUs used in industrial field instruments.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV256GM004-E/P8 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV256GM004-I/P8 | DSPIC33EV256GM004-H/P8 | DSPIC33EV128GM004-E/P8 | DSPIC33EV128GM004T-I/P8 |
|---|---|---|---|---|---|
| Package | 48-TQFP (7x7) | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 256 KB ECC | 256 KB ECC | 256 KB ECC | 128 KB ECC | 128 KB ECC |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| Core Speed | 60 MHz (70 MIPS) | 60 MHz (70 MIPS) | 60 MHz (70 MIPS) | 60 MHz (70 MIPS) | 60 MHz (70 MIPS) |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +150C | -40C to +125C | -40C to +85C |
| Peripherals (PWM/Op Amp/CTMU/SENT) | 6 MC PWM / 3 op amps / Yes / Yes | 6 MC PWM / 3 op amps / Yes / Yes | 6 MC PWM / 3 op amps / Yes / Yes | 6 MC PWM / 3 op amps / Yes / Yes | 6 MC PWM / 3 op amps / Yes / Yes |
| Typical Use Case | Extended-temperature automotive/industrial motor control with full firmware headroom | Industrial (to +85C) full-flash builds | Extreme-temperature (+150C) automotive locations | Cost-down extended-temp builds with smaller firmware | Cost-down industrial builds |
Key Differentiators
- Extended -40C to +125C automotive temperature range (vs DSPIC33EV256GM004-I/P8)
- Full 256KB ECC Flash for feature-rich firmware (vs DSPIC33EV128GM004-E/P8)
- +150C capable variant available in same footprint (vs DSPIC33EV256GM004-H/P8)
Design Notes
Decouple every VDD pin pair with 100 nF ceramic capacitors placed within 2 mm of the pin, plus one 4.7-10 uF bulk capacitor per supply domain. The VCAP pin drives the internal 1.8V/2.5V core regulator - fit the datasheet-specified low-ESR capacitor (typically around 10 uF) directly at pin 19 and never omit it; core instability from a missing or wrong VCAP capacitor is the most common cause of erratic reset behavior on dsPIC33E designs. Keep AVDD fed through an RC or ferrite filter from the digital 5V rail for ADC accuracy.
The 48-TQFP (7x7) exposes pins on all four sides with 0.5 mm pitch - use a standard 0.5 mm QFP land pattern and route PWM1H/L traces with adequate spacing to adjacent analog traces because motor-control PWM edges of 5V amplitude couple strongly into the ADC inputs. Place the three op-amp shunt-sense inputs as a tight Kelvin-routed group to the current shunt resistors. All VSS pins (6, 10, 16, 37) must connect to a solid ground plane; do not share a single via chain for ground returns.
Per Microchip's programming documentation, dsPIC33EV256GM004 provides multiple PGECx/PGEDx pairs - any pair works for ICSP, but you must use them as a matched pair (e.g., PGEC2 with PGED2), and MCLR must be routed to the programming header. Mixing PGEC from one pair with PGED from another is a frequent production-programming failure. Also verify the -E temperature grade derating: at +125C ambient, total power dissipation headroom is reduced, so check the datasheet thermal tables for high-frequency 70 MIPS operation.
Compliance Information
Distributor listings identify the part as automotive AEC-Q100 qualified and RoHS compliant; the DigiKey listing categorizes it under Functional Safety (FuSa). REACH, halogen-free, and conflict-minerals statuses were not stated in the provided data.
