DSPIC33EV256GM104-E/PT - 5V 70 MIPS DSC 256KB Flash | Microchip
MPN: DSPIC33EV256GM104-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.9 | $4.90 |
| 10 | $4.55 | $45.50 |
| 100 | $4.15 | $415.00 |
| 500 | $3.85 | $1,925.00 |
| 1,000 | $3.6 | $3,600.00 |
| 3,000 | $3.4 | $10,200.00 |
DSPIC33EV256GM104-E/PT Overview
A digital signal controller combines the compute throughput of a DSP core with the peripheral set and ease of use of a microcontroller. Within the power management hierarchy of embedded systems, the dsPIC33EV family sits above basic 8-bit MCUs and below application processors, targeting real-time control loops where math-intensive algorithms (PI control, Park/Clarke transforms, digital filters) must execute deterministically at hard-real-time deadlines.
Key features include the 5V-tolerant dsPIC DSC core rated at 70 MIPS, 256KB of self-programmable ECC Flash that detects and corrects single-bit memory errors for functional safety, dual CAN 2.0B modules for vehicle and industrial networking, motor-control PWM peripherals with dead-time insertion, on-chip operational amplifiers for current sensing, SENT and LIN interfaces for automotive sensor buses, and four DMA channels that offload data movement from the CPU.
Architecturally, the dsPIC33EV core uses a modified Harvard pipeline with DSP multiply-accumulate (MAC) instructions and a 16x16 hardware multiplier, executing signal processing kernels in a single cycle. The ECC Flash array and 5V noise immunity make the device well suited to harsh electrical environments where 3.3V MCUs would require additional level shifting and EMI hardening.
Typical applications include brushless DC and PMSM motor drives, automotive body and sensor control units, appliance power control (induction cooking, compressor drives), industrial power supplies with CAN connectivity, and battery management systems. The extended temperature variant (-E suffix, -40C to +125C) targets under-hood and high-temperature industrial locations.
When designing with this device, plan for the internal 2.5V core regulator by placing the specified low-ESR capacitor on the VCAP/VDDCORE pin, and budget the 70 MIPS ceiling when combining motor-control PWM updates with CAN message processing under DMA.
This page synthesizes distributor pricing, drop-in alternatives within the dsPIC33EV family, practical design notes, and ordering-variant distinctions not found in the manufacturer datasheet, with pricing referenced as of 2026-09-26.
Drop-in alternatives for DSPIC33EV256GM104-E/PT — 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/PT (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature Range, Communication Interfaces, Flash Program Memory.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV256GM104-I/PT
✅ Drop-In✓ In Stock
$4.85 / Unit
View Datasheet →DSPIC33EV256GM004-E/PT
✅ Drop-In✓ In Stock
$4.55 / Unit
View Datasheet →DSPIC33EV256GM104-E/PTVAO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV256GM104-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC DSC |
| Maximum CPU Speed | 70 MIPS |
| Supply Voltage | 5 V (VDD) |
| Flash Program Memory | 256 KB (with ECC) |
| SRAM | 16 KB |
| Package | 44-TQFP (10x10 mm), /PT suffix |
| Operating Temperature Range | -40C to +125C (E grade) |
| CAN Modules | 2 x CAN 2.0B |
| DMA Channels | 4 |
| On-chip Op Amps | Yes (for current sensing) |
| PWM | Motor-control PWM with complementary outputs and dead-time |
| Automotive Interfaces | SENT, LIN |
| Qualification | AEC-Q100 (family qualification for automotive use) |
| Mounting Type | Surface Mount |
| Programming Interface | ICSP (PGECx/PGEDx pairs, used as matched pairs) |
| Internal Voltage Regulator | Yes (VCAP/VDDCORE pin requires external capacitor) |
| RoHS Status | Compliant |
DSPIC33EV256GM104-E/PT Pin Configuration
| Pin 1 | MCLR — Master clear reset input / programming voltage |
| Pin 2 | AN0/CN2B/RB0 — Analog input 0 / change notification / port B |
| Pin 3 | AN1/CN2C/RB1 — Analog input 1 / change notification / port B |
| Pin 4 | AN2/SS1/CN2D/RB2 — Analog input 2 / SPI slave select / port B |
| Pin 5 | AN3/INDX/CN2E/RB3 — Analog input 3 / QEI index / port B |
| Pin 6 | AN4/QEA/UPDN/CN2F/RB4 — Analog input 4 / QEI phase A / port B |
| Pin 7 | AN5/QEB/CN30/RB5 — Analog input 5 / QEI phase B / port B |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1/CLKI — Crystal oscillator input / external clock input |
| Pin 10 | OSC2/CLKO/RC15 — Crystal oscillator output / clock output / port C |
| Pin 11 | VDD — 5V power supply |
| Pin 12 | PWM1H/RP0/RE0 — Motor-control PWM output / remappable peripheral pin / port E |
| Pin 13 | PWM1L/RP1/RE1 — Motor-control PWM complementary output / port E |
| Pin 14 | PWM2H/RP2/RE2 — Motor-control PWM output / port E |
| Pin 15 | PWM2L/RP3/RE3 — Motor-control PWM complementary output / port E |
| Pin 16 | PWM3H/RP4/RE4 — Motor-control PWM output / port E |
| Pin 17 | PWM3L/RP5/RE5 — Motor-control PWM complementary output / port E |
| Pin 18 | VDD — 5V power supply |
| Pin 19 | VSS — Ground reference |
| Pin 20 | AN6/RB6 — Analog input 6 / port B |
| Pin 21 | AN7/RB7 — Analog input 7 / port B |
| Pin 22 | AN8/PGEC3/RB8 — Analog input 8 / programming clock channel 3 / port B |
| Pin 23 | AN9/PGED3/RB9 — Analog input 9 / programming data channel 3 / port B |
| Pin 24 | AN10/CVREF/RB10 — Analog input 10 / comparator voltage reference / port B |
| Pin 25 | AN11/RB11 — Analog input 11 / port B |
| Pin 26 | AN12/RB12 — Analog input 12 / port B |
| Pin 27 | AN13/RB13 — Analog input 13 / port B |
| Pin 28 | AN14/RB14 — Analog input 14 / port B |
| Pin 29 | AN15/RB15 — Analog input 15 / port B |
| Pin 30 | AVDD — Analog power supply |
| Pin 31 | AVSS — Analog ground |
| Pin 32 | C1TX/RP35/RF0 — CAN1 transmit / remappable peripheral pin / port F |
| Pin 33 | C1RX/RP36/RF1 — CAN1 receive / remappable peripheral pin / port F |
| Pin 34 | U1TX/RP64/RF2 — UART1 transmit / remappable peripheral pin / port F |
| Pin 35 | U1RX/RP75/RF3 — UART1 receive / remappable peripheral pin / port F |
| Pin 36 | SDO2/RP68/RF4 — SPI2 data output / remappable peripheral pin / port F |
| Pin 37 | SDI2/RP69/RF5 — SPI2 data input / remappable peripheral pin / port F |
| Pin 38 | VSS — Ground reference |
| Pin 39 | VDD — 5V power supply |
| Pin 40 | VCAP/VDDCORE — Internal core regulator output - requires external capacitor per datasheet |
| Pin 41 | VDD — 5V power supply |
| Pin 42 | PGEC1/RC13 — Programming clock channel 1 / port C |
| Pin 43 | PGED1/RC14 — Programming data channel 1 / port C |
| Pin 44 | SDA1/RP34/RC12 — I2C1 data / remappable peripheral pin / port C |
Typical Applications
DSPIC33EV256GM104-E/PT is suitable for 6 applications: Brushless DC / PMSM Motor Drives, Automotive Body and Sensor Control Units, Appliance Power and Compressor Control, Industrial Power Supplies and Converters, Battery Management Systems, Industrial Automation and Sensor Nodes.
Brushless DC / PMSM Motor Drives
The DSPIC33EV256GM104-E/PT fits motor-control duty because its motor-control PWM peripheral generates complementary output pairs with hardware dead-time insertion, while the on-chip operational amplifiers condition shunt-resistor current feedback without external op-amp ICs. The 70 MIPS core executes field-oriented control (Park/Clarke transforms and PI current loops) well within single-PWM-cycle deadlines, and DSP multiply-accumulate instructions keep the control-loop math deterministic. In a typical 5V inverter board, the DSC gates IGBT/MOSFET drivers directly from the 5V I/O rails, and the ECC Flash protects control firmware against bit upsets from switching noise. Trade-off: budget CPU headroom when adding CAN communications on top of high-frequency control loops, using the four DMA channels to offload CAN FIFO servicing.
Recommended
Automotive Body and Sensor Control Units
This application leverages the device's AEC-Q100 family qualification, -40C to +125C -E temperature grade, and dual CAN 2.0B controllers. According to Microchip, the dsPIC33EV family is designed for harsh automotive environments with noise and vibration. The SENT and LIN interfaces connect directly to modern automotive sensors and low-cost network nodes, while 5V-tolerant I/O survives load-dump-adjacent transients better than 3.3V alternatives. In a body-control or sensor-gateway module, the 256KB ECC Flash holds both the application and boot/OTA-update firmware, and DMA keeps CAN FIFO servicing off the CPU. Design consideration: follow the datasheet VCAP capacitor specification precisely for the internal core regulator, since under-hood cold-crank conditions stress supply sequencing.
Recommended
Appliance Power and Compressor Control
Appliance applications such as induction heating, variable-speed compressor drives, and fan control benefit from the part's 5V noise immunity in high-voltage, high-interference enclosures. The 70 MIPS core runs resonant-control or compressor FOC algorithms, the motor-control PWM drives inverter stages with safe dead-time, and the on-chip op amps read current shunts for protection and efficiency optimization. The -E grade tolerates the elevated ambient temperatures found inside dishwashers, refrigerators, and cooking appliances. With CAN on-chip, the controller can join appliance-wide communication backbones without a secondary networking IC. The ECC Flash safeguards stored calibration data and firmware against years of switching-transient exposure, reducing field-return risk in long-lifetime white goods.
Recommended
Industrial Power Supplies and Converters
Digital power supplies, DC-DC converters, and PFC stages use the DSPIC33EV256GM104-E/PT for its fast ADC-to-PWM control path and deterministic DSP core at 70 MIPS. Phase-shifted full-bridge and LLC controllers map naturally onto the complementary PWM outputs with dead-time control, and the on-chip op amps amplify current-transformer or shunt feedback for peak-current-mode loops. The 5V I/O domain matches standard optocoupler and gate-driver thresholds, simplifying isolation design, while CAN connectivity enables remote telemetry and fleet management in telecom rectifiers and industrial chargers. The extended -40C to +125C range covers outdoor and unventilated enclosure installations where 3.3V controllers or consumer-temperature parts would derate or fail.
Recommended
Battery Management Systems
The device suits battery management in industrial and automotive 12V/24V systems: its two CAN 2.0B modules communicate state-of-charge and fault data to vehicle or charger networks, the ADC plus op amps handle cell-voltage and current monitoring front ends, and the 5V domain interfaces directly with isolated gate drivers for precharge and disconnect contactors. Running balancing and protection state machines at 70 MIPS leaves ample margin for CAN stack processing. The ECC Flash protects calibration tables and safety-critical firmware from corruption across thousands of power cycles, and the -E temperature grade survives under-hood battery-pack environments from -40C cold starts to +125C soak. DMA channels keep ADC sampling and CAN transmit concurrent without CPU contention.
Recommended
Industrial Automation and Sensor Nodes
Factory-floor sensor nodes, actuators, and small PLC I/O modules use this DSC where 24V industrial signal levels demand 5V-tolerant inputs and robust EMI performance. The remappable RPn pin architecture lets designers place UART, SPI, I2C, and CAN functions on the most convenient PCB traces, and the SENT/LIN peripherals interface with modern industrial smart sensors. At 70 MIPS the core performs local filtering (IIR/FIR) on sensor streams, transmitting only processed results over CAN or LIN to reduce bus loading. The 256KB ECC Flash supports field firmware updates with dual-image bootloaders, and operation to +125C covers cabinet-mounted electronics near drives and power supplies. Evaluate RAM usage early: 16KB limits very large buffering schemes, mitigated by the four DMA channels.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV256GM104-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV256GM104-I/PT | DSPIC33EV256GM004-E/PT | DSPIC33EV256GM104-E/PTVAO |
|---|---|---|---|---|
| Package | 44-TQFP (10x10 mm) /PT | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 256 KB ECC Flash | 256 KB ECC Flash | 256 KB ECC Flash | 256 KB ECC Flash |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB |
| Maximum CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) |
| Peripheral Set | Full GM104 set: CAN, op amps, SENT, motor PWM | Identical to GM104 | Reduced set - verify CAN/op amps per DS70005144H | Identical to GM104 |
Key Differentiators
- Extended -40C to +125C automotive-grade operation (vs DSPIC33EV256GM104-I/PT)
- VAO-screened variant for automotive builds (vs DSPIC33EV256GM104-E/PTVAO)
- Full peripheral complement including CAN and on-chip op amps (vs DSPIC33EV256GM004-E/PT)
Design Notes
The dsPIC33EV contains an internal regulator that steps 5V VDD down to the 2.5V core. Connect the specified low-ESR ceramic capacitor (value and ESR range per the Microchip family datasheet DS70005144H) on the VCAP/VDDCORE pin (pin 40) with a short, direct trace to the nearest VSS. Do not load this pin with external circuitry. Decouple each VDD pin with 100 nF placed within a few millimeters, and add 4.7-10 uF of bulk capacitance near the device. Estimated: total VDD bypass of roughly 4x100 nF + 10 uF is a typical baseline for 70 MIPS operation; confirm against the datasheet electrical characteristics section.
Remap serial peripherals (UART, SPI, I2C, CAN) using the RPn pin-mapping system to place high-speed and analog signals away from PWM switching paths. Keep AVDD/AVSS routed as a star from the supply with a local 100 nF plus a ferrite bead if the PCB sits near motor-drive switching nodes. Route CAN1 TX/RX (pins 32/33) as a tightly coupled pair to the transceiver and keep stub length on the bus below a few centimeters. Group the matched PGEC/PGED programming pairs and add 100 ohm series resistors so ICSP can share pins with application circuitry.
ICSP programming requires a matched PGECx/PGEDx pair - if PGEC2 drives ICSPCLK, PGED2 must drive ICSPDAT; mixing indices is the most common bring-up failure on this family. Also do not substitute the /PT TQFP footprint with the /ML QFN or /P8 TQFN land pattern - the packages are not footprint-compatible despite the same die. Finally, when substituting DSPIC33EV256GM004-E/PT as a second source, confirm on the DS70005144H datasheet that every peripheral your firmware uses (especially CAN and op amps) exists on the GM004 variant.
Estimated: the 44-TQFP 10x10 mm package with exposed leads typically achieves a theta_JA around 50-70 C/W on a standard 4-layer board; at an internal dissipation estimate of roughly 100-200 mA at 5V (0.5-1 W), junction rise above ambient is approximately 30-60 C. This fits within the +125C -E rating only if ambient stays below about +70 to +90 C at the upper dissipation estimate. Verify actual ICC from the datasheet current-consumption tables for your clock configuration, and add copper pour on VDD/VSS nets when operating near +105 C ambient in sealed enclosures.
Compliance Information
Family identified as Automotive, AEC-Q100 by distributor data (Hotenda). RoHS/lead-free status per standard Microchip -E/PT offering; confirm REACH and halogen-free declarations via Microchip environmental documentation.
