DSPIC33EV256GM004-I/P8 - 16-bit 5V DSC, 256KB Flash, TQFP-48 | Microchip
MPN: DSPIC33EV256GM004-I/P8 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.14 | $5.14 |
| 10 | $4.65 | $46.50 |
| 100 | $4.1 | $410.00 |
| 500 | $3.72 | $1,860.00 |
| 1,000 | $3.41 | $3,410.00 |
DSPIC33EV256GM004-I/P8 Overview
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and control architecture of a microcontroller. Within the power-management hierarchy of embedded systems, the dsPIC33EV sits in the DSC category of the broader 16-bit microcontroller and semiconductor taxonomy, targeting control loops that need both math capability and rugged I/O in harsh electrical environments.
Key features include a 4.5V to 5.5V single supply - a major differentiator versus 3.3V MCUs in noisy industrial wiring environments - six motor-control PWM channels, three on-chip operational amplifiers, a Charge Time Measurement Unit (CTMU), a SENT peripheral for automotive sensor interfaces, and Peripheral Pin Select (PPS) for flexible pin mapping. Error-correcting code (ECC) on the Flash memory improves reliability in high-vibration and high-temperature applications.
Architecturally, the device integrates four DMA channels, nine timers, and four input capture/output compare modules, allowing sensor decoding, PWM generation, and data movement without CPU intervention in many designs. The three op-amps can be used to condition current-shunt or resolver signals before internal ADC sampling, reducing external component count in motor-control and power-conversion designs.
Typical applications include BLDC and PMSM motor control in appliances, switched-mode power supplies and digital power, automotive body and auxiliary modules using SENT, and industrial automation nodes exposed to harsh electrical noise.
When designing with this part, provide adequate decoupling on AVDD/AVSS and use the VCAP pin correctly for the internal regulator; brown-out and watchdog settings should be verified against the 5V supply tolerance of 4.5V to 5.5V.
This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with data verified as of 2026-09-26.
Drop-in alternatives for DSPIC33EV256GM004-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 DSPIC33EV256GM004-I/P8 (same form factor and footprint) — differing in Core Architecture, Operating Temperature, Package, Motor Control PWM Channels, RoHS Status.
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No drop-in alternatives available for this product.
Request AlternativesDSPIC33EV256GM004-I/P8 Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC DSC |
| Max CPU Speed | 70 MIPS (60 MHz clock) |
| Program Memory (Flash) | 256 KB with ECC |
| RAM | 32 KB |
| Supply Voltage Range | 4.5 V to 5.5 V |
| Operating Temperature | -40C to +85C (I grade) |
| Package | 48-pin TQFP (7x7 mm), 0.5 mm pitch |
| PWM Channels | 6 motor-control PWM |
| On-chip Op Amps | 3 |
| Timers | 9 |
| DMA Channels | 4 |
| Input Capture / Output Compare | 4 |
| Special Peripherals | CTMU, SENT, Peripheral Pin Select (PPS) |
| Mounting Type | Surface Mount |
| Technology | CMOS |
| Unit Price (qty 1) | as of 2026-09-26, see tier pricing |
DSPIC33EV256GM004-I/P8 48-pin tqfp (7x7 mm), 0.5 mm pitch Pin Configuration Guide
Pin configuration for DSPIC33EV256GM004-I/P8 (48-pin tqfp (7x7 mm), 0.5 mm pitch 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 DSPIC33EV256GM004-I/P8.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV256GM004-I/P8 is suitable for 6 applications: BLDC / PMSM Motor Control, Automotive Body and Sensor Modules, Digital Power Conversion (SMPS), Industrial Automation Nodes, Appliance Control Boards, Battery Chargers and Power Supplies.
BLDC / PMSM Motor Control
The DSPIC33EV256GM004-I/P8 fits appliance and industrial motor drives because its six motor-control PWM channels provide complementary outputs with hardware dead-time, while the three on-chip op-amps amplify low-level current-shunt signals before the internal ADCs sample them - eliminating external amplifiers in field-oriented control (FOC) stages. The 70 MIPS DSP core with DSP multiply-accumulate instructions executes current and speed loops within single PWM periods at 20 kHz switching frequencies. The four input capture channels decode hall-sensor or quadrature-encoder feedback, and four DMA channels move ADC results without CPU overhead. Native 5V I/O tolerates noisy gate-driver wiring, and the 4.5V to 5.5V supply rides through industrial rail sag better than 3.3V alternatives.
Recommended
Automotive Body and Sensor Modules
For automotive auxiliary modules such as seat position, wiper control, and fluid-level sensing, the integrated SENT peripheral (SAE J2716) of the DSPIC33EV256GM004-I/P8 receives single-wire sensor data directly, removing the need for software bit-banging or external SENT receivers. The CTMU measures resistive and capacitive elements for contact-detection and level-sensing functions. The 5V supply matches legacy automotive sensor signaling, while 256KB of ECC Flash protects code integrity against bit flips in high-vibration, high-temperature cabins. The -I grade suits under-dash zones; select the -E or -H variant for under-hood temperatures up to +125C, since all variants share the same 48-pin TQFP footprint for one PCB design across temperature grades.
Recommended
Digital Power Conversion (SMPS)
In switch-mode power supplies and digital power stages, the DSPIC33EV256GM004-I/P8 closes voltage and current loops using its high-speed ADCs triggered by the motor-control PWM modules, achieving deterministic sampling synchronized to the switching instant - critical for peak-current-mode control. The 70 MIPS core with DSP instructions implements compensators (PI, 3p3z) for buck, boost, PFC, and LLC topologies at switching frequencies up to several hundred kHz. The CTMU supports precision time measurement for phase-timing calibration, and the ECC Flash safeguards firmware in electrically noisy converter environments. Native 5V logic interfaces directly with common gate-driver ICs without level shifting.
Recommended
Industrial Automation Nodes
Factory automation nodes benefit from the DSPIC33EV256GM004-I/P8's Peripheral Pin Select, which lets engineers map UART, SPI, I2C, and PWM functions onto the most convenient of the remappable RPn pins, simplifying routing on crowded 48-pin boards and enabling one PCB to serve multiple node variants in firmware. The nine timers support protocol timing, the four DMA channels offload communication buffering, and 256KB Flash accommodates feature-rich firmware stacks. Its -40C to +85C rating and 5V noise margins withstand cabinet environments with contactors and variable-frequency drives. Three on-chip op-amps condition analog sensor inputs such as pressure and current transducers prior to ADC conversion.
Recommended
Appliance Control Boards
White-goods controllers - washing machines, dishwashers, refrigerators - use the DSPIC33EV256GM004-I/P8 to drive induction motors and BLDC pumps with the six PWM channels while the op-amps and ADCs implement sensorless back-EMF or shunt-based current feedback. The CTMU enables capacitive-touch user interfaces without a separate touch controller, and SENT support reads modern appliance sensors. 256KB ECC Flash holds multiple motor profiles plus connectivity code, and the 5V-rated I/O connects directly to relays, buttons, and LED matrices in the classic 5V appliance harness environment. The -I temperature grade covers typical kitchen and laundry ambient ranges with margin.
Recommended
Battery Chargers and Power Supplies
Smart battery chargers and industrial power supplies use the DSPIC33EV256GM004-I/P8 for charge-profile control: the PWM modules generate the power-stage drive, the op-amp-plus-ADC path measures charge current and battery voltage, and the DSP core executes CC/CV and temperature-derating algorithms. The CTMU can monitor thermistor temperature with sub-LSB timing precision, supporting JEDEC-safe charge termination. ECC Flash preserves charging state machines through brown-outs and ESD events common in field-charger environments. Because the controller is 5V-native, it interfaces with standard charger front-ends and status LEDs without translation, and the 48-pin TQFP fits compact charger PCBs.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV256GM004-I/P8 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV256GM004-E/P8 | DSPIC33EV256GM004-H/P8 | DSPIC33EV128GM004T-I/P8 | DSPIC33EV128GM004-E/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 |
| Program Flash | 256 KB (ECC) | 256 KB (ECC) | 256 KB (ECC) | 128 KB (ECC) | 128 KB (ECC) |
| RAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| Max Speed | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz |
| 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 |
| Temperature Range | -40C to +85C | -40C to +125C | -40C to +125C | -40C to +85C | -40C to +125C |
| Peripherals (PWM / OpAmps / CTMU / SENT) | 6 PWM, 3 op-amps, yes, yes | 6 PWM, 3 op-amps, yes, yes | 6 PWM, 3 op-amps, yes, yes | 6 PWM, 3 op-amps, yes, yes | 6 PWM, 3 op-amps, yes, yes |
Key Differentiators
- Extended-temperature drop-in available without PCB change (vs DSPIC33EV256GM004-E/P8)
- 256KB ECC Flash vs 128KB sibling (vs DSPIC33EV128GM004T-I/P8)
- Native 5V operation with integrated analog (vs 3.3V MCU competitors (e.g., STM32 F1 series))
Design Notes
Decouple every VDD pin with 0.1uF ceramic capacitors placed within 2 mm of the pin, plus a 4.7uF to 10uF bulk capacitor near the device. Verify your 5V rail stays within the 4.5V to 5.5V operating window under worst-case motor inrush; if brown-out behavior matters, configure the BOR threshold in configuration words so the DSC resets before code integrity is at risk. Estimated: at 70 MIPS with typical DSC current draw on the order of tens of mA, supply rail drop from wiring harness resistance is the usual culprit in 5V appliance designs.
Because most I/O pins are remappable via Peripheral Pin Select (PPS), plan the pin map in firmware before finalizing the PCB layout - see Section 11.5 of the family data sheet for PPS limitations (some peripherals, such as certain inputs, are non-remappable). Keep the analog op-amp/ADC pins (AVDD/AVSS domain) away from PWM switching nodes and use a solid ground plane; star-connect AVDD through a ferrite bead from the digital 5V rail in motor-control layouts to keep ADC noise low.
Three frequent mistakes with dsPIC33EV designs: (1) selecting the -I grade for under-hood locations - use the -E or -H variant rated to +125C, which is footprint-identical; (2) ignoring ECC Flash programming requirements - use MPLAB IPE or the official Flash Programming Specification sequence, as ECC affects write granularity; (3) omitting the VCAP capacitor for the internal regulator, which causes erratic resets. Also confirm your linker script targets 256KB (this MPN) rather than the 128KB sibling before release builds.
Compliance Information
Formal RoHS/REACH declarations were not present in the retrieved data. Verify the official Material Declaration on microchip.com for this MPN before regulatory documentation.
