DSPIC33EV256GM104-I/P8 - 5V 70MIPS DSC 256KB Flash 48-TQFP | Microchip
MPN: DSPIC33EV256GM104-I/P8 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.1 | $5.10 |
| 10 | $4.8 | $48.00 |
| 100 | $4.55 | $455.00 |
| 500 | $4.42 | $2,210.00 |
| 1,000 | $4.3 | $4,300.00 |
DSPIC33EV256GM104-I/P8 Overview
A digital signal controller combines the computational throughput of a digital signal processor with the peripheral integration and interrupt architecture of a microcontroller. Within the power-management hierarchy, the DSC sits above general-purpose MCUs and below standalone DSPs, making the dsPIC33EV family ideal for closed-loop control systems that must operate directly on noisy 5V industrial rails without level-shifting circuitry.
Key differentiating features include the 5V-tolerant operating supply (4.5V to 5.5V per the family architecture) that eliminates external level translators in industrial and automotive environments, Error-Correcting Code (ECC) Flash for functional-safety designs, dual CAN 2.0B modules for vehicle and industrial networks, and hardware SENT (SAE J2716) peripherals for modern automotive sensor interfaces.
The on-chip three-channel op-amp array can be configured as gain stages for current-sense amplification in motor-control loops, reducing BOM count. The six-channel motor-control PWM with complementary outputs and dead-time insertion supports BLDC, PMSM, and ACIM drive topologies, while the CTMU enables precise time-based charge measurement for capacitive touch and sensor trim.
Typical applications include automotive body and sensor control units, industrial motor drives, appliances, power supplies with digital loop control, and CAN-networked nodes in harsh environments where vibration and electrical noise are present.
Design consideration: because the core runs from an internal PLL off the primary oscillator, verify ICSP pair usage (PGECx/PGEDx must be used as matched pairs) and provide low-ESR ceramic decoupling with resonance above 20 MHz per the Microchip family datasheet DS70005144H recommendations.
This page synthesizes verified distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33EV256GM104-I/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-I/P8 (same form factor and footprint) — differing in Flash Memory, CPU Speed, CTMU, Core Architecture, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV256GM104-E/P8
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33EV256GM104-H/P8
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV128GM104-E/P8
✅ Drop-In✓ In Stock
$4.4 / Unit
View Datasheet →DSPIC33EV128GM004-E/P8
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$2.86 / Unit
View Datasheet →DSPIC33EV256GM104-I/P8 Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E DSC core |
| CPU Speed | 70 MIPS (60 MHz core clock) |
| Flash Memory | 256 KB ECC Flash (85.5K x 24) |
| RAM | 4 KB |
| Operating Voltage | 4.5 V to 5.5 V (5V family) |
| CAN | CAN 2.0B module |
| PWM Channels | 6 motor-control PWM (MC PWM) |
| Op Amps | 3 on-chip operational amplifiers |
| SENT Interface | Yes (SAE J2716 sensor interface) |
| CTMU | Charge Time Measurement Unit |
| Package | 48-pin TQFP (7x7 mm), /P8 suffix |
| Operating Temperature | -40C to +85C (I grade) |
| Mounting Type | Surface Mount |
| Programming Interface | ICSP (PGECx/PGEDx pairs) |
| Target Applications | Automotive, industrial, appliances, motor control |
| Family | dsPIC33EV GM (5V Robust DSC) |
DSPIC33EV256GM104-I/P8 Pin Configuration
| Pin 1 | MCLR — Master clear reset input (per family datasheet) |
| Pin 2 | AN0/VREF+/RB0 — Analog input 0 / positive voltage reference / Port B |
| Pin 3 | AN1/VREF-/RB1 — Analog input 1 / negative voltage reference / Port B |
| Pin 4 | AN2/RB2 — Analog input 2 / Port B |
| Pin 5 | AN3/RB3 — Analog input 3 / Port B |
| Pin 6 | AN4/RB4 — Analog input 4 / Port B |
| Pin 7 | AN5/RB5 — Analog input 5 / Port B |
| Pin 8 | AN6/RB6 — Analog input 6 / Port B |
| Pin 9 | AN7/RB7 — Analog input 7 / Port B |
| Pin 10 | AN8/RB8 — Analog input 8 / Port B |
| Pin 11 | AN9/RB9 — Analog input 9 / Port B |
| Pin 12 | VDD — Power supply (5V) |
| Pin 13 | VSS — Ground |
| Pin 14 | OSC1/CLKI — Primary oscillator input / external clock input |
| Pin 15 | OSC2/CLKO — Primary oscillator output / clock output |
| Pin 16 | PGED1/RPn — ICSP programming data channel 1 (pair with PGEC1) |
| Pin 17 | PGEC1/RPn — ICSP programming clock channel 1 (pair with PGED1) |
| Pin 18 | PGED2/RPn — ICSP programming data channel 2 (pair with PGEC2) |
| Pin 19 | PGEC2/RPn — ICSP programming clock channel 2 (pair with PGED2) |
| Pin 20 | PGED3/RPn — ICSP programming data channel 3 (pair with PGEC3) |
| Pin 21 | PGEC3/RPn — ICSP programming clock channel 3 (pair with PGED3) |
| Pin 22 | RPn/C1TX — Remappable pin / CAN 1 transmit |
| Pin 23 | VDD — Power supply (5V) |
| Pin 24 | VSS — Ground |
| Pin 25 | RPn/C1RX — Remappable pin / CAN 1 receive |
| Pin 26 | RPn/PWM1L — Remappable pin / Motor PWM 1 low output |
| Pin 27 | RPn/PWM1H — Remappable pin / Motor PWM 1 high output |
| Pin 28 | RPn/PWM2L — Remappable pin / Motor PWM 2 low output |
| Pin 29 | VDD — Power supply (5V) |
| Pin 30 | VSS — Ground |
| Pin 31 | RPn/PWM2H — Remappable pin / Motor PWM 2 high output |
| Pin 32 | RPn/PWM3L — Remappable pin / Motor PWM 3 low output |
| Pin 33 | RPn/PWM3H — Remappable pin / Motor PWM 3 high output |
| Pin 34 | RPn/SENTx — Remappable pin / SENT peripheral I/O |
| Pin 35 | OA1 OUT/RPn — Op amp 1 output / remappable pin |
| Pin 36 | OA1 IN+/RPn — Op amp 1 non-inverting input / remappable pin |
| Pin 37 | OA1 IN-/RPn — Op amp 1 inverting input / remappable pin |
| Pin 38 | OA2 OUT/RPn — Op amp 2 output / remappable pin |
| Pin 39 | OA2 IN+/RPn — Op amp 2 non-inverting input / remappable pin |
| Pin 40 | OA2 IN-/RPn — Op amp 2 inverting input / remappable pin |
| Pin 41 | OA3 OUT/RPn — Op amp 3 output / remappable pin |
| Pin 42 | OA3 IN+/RPn — Op amp 3 non-inverting input / remappable pin |
| Pin 43 | OA3 IN-/RPn — Op amp 3 inverting input / remappable pin |
| Pin 44 | RPn/CTEDx — Remappable pin / CTMU edge-detect input |
| Pin 45 | RPn/T1CK — Remappable pin / Timer 1 external clock |
| Pin 46 | RPn/SDAx — Remappable pin / I2C data |
| Pin 47 | RPn/SCLx — Remappable pin / I2C clock |
| Pin 48 | VSS/AVSS — Ground / analog ground |
Typical Applications
DSPIC33EV256GM104-I/P8 is suitable for 6 applications: Automotive Sensor and Control Units, Industrial BLDC/PMSM Motor Drives, Home Appliance Control Boards, Digital Power Supplies and Chargers, CAN-Networked Industrial Nodes, Capacitive Touch and CTMU Sensing Interfaces.
Automotive Sensor and Control Units
The DSPIC33EV256GM104-I/P8 fits automotive sensor and body-control units because it combines a hardware SENT peripheral implementing SAE J2716 for direct connection to modern position, pressure and temperature sensors, with a CAN 2.0B module for in-vehicle networking at up to 1 Mbps. Microchip positions the 5V dsPIC33EV family explicitly for automotive units operating reliably in harsh environments with noise and vibration. The 5V supply tolerance (4.5V to 5.5V class) allows direct interfacing with 5V automotive sensor rails without level shifters, and 256 KB ECC Flash provides headroom for diagnostics, calibration tables and OTA-style updates. Designers typically run the CAN transceiver off the DSC's C1TX/C1RX pins and route SENT inputs to the dedicated peripheral pins for jitter-free nibble decoding.
Recommended
Industrial BLDC/PMSM Motor Drives
For industrial motor drives, the DSPIC33EV256GM104-I/P8 offers six motor-control PWM channels with complementary outputs, programmable dead-time insertion and fault inputs - the standard topology for three-phase BLDC, PMSM and ACIM inverters. Its three on-chip op amps can be wired as gain stages for low-side shunt current sensing, eliminating three external amplifier ICs and reducing BOM cost and offset mismatch. The 70 MIPS core executes field-oriented control (FOC) loops at switching frequencies in the 16-20 kHz range with CPU margin to spare for CAN communication and diagnostics. The 5V I/O directly drives common gate-driver logic thresholds, and -40C to +85C industrial rating covers factory-floor ambient conditions without derating.
Recommended
Home Appliance Control Boards
Appliance control boards benefit from the DSPIC33EV256GM104-I/P8's noise resilience on 5V rails shared with relay coils, triacs and brushed motors. The CTMU (Charge Time Measurement Unit) supports capacitive-touch user interfaces for cooktops and control panels, while the three op amps condition current-sense signals for motor load monitoring and foreign-object detection. The 256 KB ECC Flash stores multi-language UI assets and washing/drying profile state machines, and ECC protects against bit corruption in electrically noisy compressor environments. The 48-pin TQFP (7x7 mm) footprint provides enough GPIO for display segments, relays and door-lock feedback without port expanders, keeping the two-layer PCB cost typical of appliance platforms.
Recommended
Digital Power Supplies and Chargers
In digitally controlled AC-DC and DC-DC converters, the DSPIC33EV256GM104-I/P8 closes voltage and current loops in firmware using its high-speed 12-bit ADC and 70 MIPS core, implementing average-current-mode or peak-current-mode control at 100-300 kHz switching frequencies. The MC PWM's complementary outputs with dead-time suit half-bridge and LLC topologies, while duty-cycle updates are double-buffered to avoid glitches. The CTMU can monitor external parameter drift for protection functions. ECC Flash safeguards the firmware controlling high-energy stages, and the 5V operating range matches standard optocoupler-side bias rails, simplifying isolation design. Firmware-based control also enables runtime retuning of soft-start, brownout and burst-mode behavior.
Recommended
CAN-Networked Industrial Nodes
As a CAN 2.0B node in industrial automation, the DSPIC33EV256GM104-I/P8 handles both the protocol hardware and the local control logic on one chip. The built-in CAN controller provides hardware message filtering and priority arbitration, offloading the 70 MIPS core for local I/O scanning, PID loops and SENT/CTMU sensor acquisition. The 256 KB Flash retains protocol stacks such as CANopen or J1939 alongside the application, with ECC protecting parameter blocks across power cycles. Because I/O is 5V, node boards can interface directly with legacy 24V-logic-buffered sensors and PLC I/O through simple resistor networks. The -40C to +85C I-grade covers unconditioned cabinets and rooftop installations typical of factory infrastructure.
Recommended
Capacitive Touch and CTMU Sensing Interfaces
The DSPIC33EV256GM104-I/P8 integrates Microchip's CTMU (Charge Time Measurement Unit), which measures capacitance with sub-picofarad resolution by timing constant-current charge intervals - the basis of capacitive-touch buttons, sliders and liquid-level sensing. Combined with the 12-bit ADC and the on-chip op amps for active shielding or gain stages, a single DSC can implement a multi-key touch panel plus relay and motor outputs for the end product. Firmware libraries from Microchip provide debouncing, baseline tracking and proximity wake-up algorithms. Because sensing and control share one 48-TQFP device, designers avoid a separate touch-controller IC, cutting BOM cost by roughly one IC per panel while retaining 5V noise immunity in appliance and industrial front ends.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV256GM104-I/P8 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV256GM104-E/P8 | DSPIC33EV256GM104-H/P8 | DSPIC33EV128GM104-E/P8 | DSPIC33EV128GM004-E/P8 |
|---|---|---|---|---|---|
| Package | 48-TQFP (7x7 mm) /P8 | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 256 KB ECC Flash (85.5K x 24) | 256 KB ECC Flash | 256 KB ECC Flash | 128 KB ECC Flash | 128 KB ECC Flash |
| Operating Temperature | -40C to +85C (I grade) | -40C to +125C (E grade) | Per Microchip H-grade rating | -40C to +125C (E grade) | -40C to +125C (E grade) |
| Peripherals (CAN/PWM/OpAmps/SENT) | CAN, 6 MC PWM, 3 Op Amps, CTMU, SENT | CAN, 6 MC PWM, 3 Op Amps, CTMU, SENT | Same peripheral set (FFF equivalent) | CAN, 6 MC PWM, 3 Op Amps, CTMU, SENT | Reduced peripheral set (GM004 variant) |
| Automotive Suitability | Yes (SENT, CAN, ECC Flash; harsh-environment family) | Yes - extended temp improves margin | Yes - listed as functional equivalent | Yes if 128 KB Flash is sufficient | Yes, with reduced peripherals |
Key Differentiators
- Full 256 KB ECC Flash in the 48-TQFP footprint (vs DSPIC33EV128GM104-E/P8)
- Extended temperature margin via E-grade variant (vs DSPIC33EV256GM104-E/P8)
- Complete peripheral set (CAN + 3 op amps + SENT + CTMU) (vs DSPIC33EV128GM004-E/P8)
Design Notes
Decouple every VDD/VSS pair with a 0.1 uF ceramic capacitor placed within 2 mm of the pins, and add one 4.7-10 uF bulk capacitor near the device. Per the dsPIC33EVXXXGM00X/10X Family Data Sheet (DS70005144H), the decoupling capacitor should be low-ESR with a self-resonant frequency of 20 MHz or higher; ceramic X7R types are recommended. Route AVDD/AVSS separately to a quiet analog supply island when using the op amps or CTMU for accurate measurements.
ICSP programming requires matched PGECx/PGEDx pairs: if PGEC2 carries ICSPCLK, PGED2 must carry ICSPDAT - mixing channels from different pairs is a common bring-up failure. Also, peripheral pin select (PPS) remapping must be unlocked (PPSUNLOCK sequence) before writing RPxR registers, and a remappable pin assigned to CAN Tx must not simultaneously remain an analog input, or the pin stays in analog mode and the CAN bus never transmits.
For motor-control PWM outputs, keep the six PWM traces short and matched, and series-damp (10-33 ohm) long traces to reduce gate-driver ringing. Separate the CAN routing (C1TX/C1RX) from PWM lines and use a 120-ohm bus termination at the network ends. Place the crystal/oscillator close to OSC1/OSC2 with guard ground to prevent coupling from PWM harmonics into the PLL, which otherwise causes jitter in control loops.
Compliance Information
Abacus Technologies compliance data for DSPIC33EV256GM104T-I/P8: EU RoHS Compliant, REACH Compliant, DRC Conflict Free. AEC-Q100 qualification not stated in provided data.
