DSPIC33EV256GM004T-I/P8 - 16-bit 5V 70 MIPS DSC, 256KB Flash | Microchip
MPN: DSPIC33EV256GM004T-I/P8 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.9 | $4.90 |
| 10 | $4.42 | $44.20 |
| 100 | $3.95 | $395.00 |
| 500 | $3.55 | $1,775.00 |
| 1,000 | $3.2 | $3,200.00 |
DSPIC33EV256GM004T-I/P8 Overview
A digital signal controller combines the computational throughput of a DSP with the control peripherals, interrupt architecture, and ease of use of a microcontroller. Within the power management hierarchy, the dsPIC33EV family sits above basic MCUs in the digital control chain, executing closed-loop algorithms for motor control, power conversion, and digital filtering while directly interfacing with sensors and power stages.
Key features include 5V-tolerant operation that removes the need for level shifting in industrial and automotive environments, ECC Flash that detects and corrects single-bit memory errors for functional safety (FuSa) designs, six motor-control PWM channels supporting complementary outputs with dead-time insertion, and three integrated op amps that reduce external component count in current-sense front ends.
The dsPIC33E CPU core uses a modified Harvard architecture with a 16-bit data path and DSP engine supporting single-cycle MAC and 40-bit accumulators, enabling execution of control loops and filtering algorithms at up to 70 MIPS. Peripheral Pin Select (PPS) allows flexible remapping of digital peripherals to physical pins, simplifying PCB layout optimization.
Typical applications include Brushless DC (BLDC) and permanent-magnet synchronous motor control in appliances, automotive sensors and touch control units operating in vibration and noise, and industrial power conversion such as digital power supplies and PFC stages where the 5V I/O directly drives gate-drive circuitry.
A key design consideration is power budgeting: at 70 MIPS, core current is highest at full speed, so designers should use the integrated Doze mode and clock switching to trade MIPS against power in battery-sensitive designs, and decouple all VDD pins with 0.1uF ceramics close to the package.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with all data verified as of 2026-09-26.
Drop-in alternatives for DSPIC33EV256GM004T-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 DSPIC33EV256GM004T-I/P8 (same form factor and footprint) — differing in Functional Safety Support, Operating Temperature, Package, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV256GM004-I/P8
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.41 / Unit
View Datasheet →DSPIC33EV256GM004T-E/P8
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV128GM004T-I/P8
✅ Drop-In✓ In Stock
$4.05 / Unit
View Datasheet →DSPIC33EV256GM004T-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV256GM004T-I/P8 Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E modified Harvard |
| Maximum CPU Speed | 70 MIPS |
| Program Memory (Flash) | 256 KB (85.5K x 24) with ECC |
| RAM | 4 KB |
| Supply Voltage | 5 V |
| PWM Channels | 6 (motor control) |
| Integrated Op Amps | 3 |
| CTMU | Yes (Charge Time Measurement Unit) |
| SENT Peripheral | Yes |
| Functional Safety Support | FuSa qualified variant family |
| Package | 48-TQFP (7x7 mm) |
| Operating Temperature | -40C to +85C (I grade) |
| Mounting Type | Surface Mount |
| Packaging | Tape and Reel (T suffix) |
| Peripherals | Peripheral Pin Select (PPS), DMA |
DSPIC33EV256GM004T-I/P8 48-tqfp (7x7 mm) Pin Configuration Guide
Pin configuration for DSPIC33EV256GM004T-I/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 DSPIC33EV256GM004T-I/P8.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV256GM004T-I/P8 is suitable for 6 applications: BLDC and PMSM Motor Control, Automotive Sensors and Control Units, Appliance Motor and Power Control, Industrial Digital Power Conversion, Capacitive Touch Interfaces, Sensor Signal Processing and Data Acquisition.
BLDC and PMSM Motor Control
The DSPIC33EV256GM004T-I/P8 fits brushless DC and permanent-magnet synchronous motor control because its six motor-control PWM channels provide complementary outputs with hardware dead-time insertion, directly driving a three-phase inverter gate-driver stage at 70 MIPS of loop bandwidth. The three on-chip op amps form current-sense amplifiers for phase-current feedback without external amplifier ICs, shortening the analog signal chain and improving noise margin in the electrically noisy 5V inverter environment. Placed as the main control IC between a current-sense shunt network and the gate drivers, it executes field-oriented control or trapezoidal commutation loops at kHz rates; using the ECC Flash ensures control code integrity over the product lifetime, and the 5V I/O simplifies interfacing with gate drivers and hall sensors that commonly run at 5V logic levels in appliance and industrial drives.
Recommended
Automotive Sensors and Control Units
The DSPIC33EV256GM004T-I/P8 suits automotive sensor and touch-control nodes because Microchip designed the dsPIC33EV family specifically for harsh environments with noise and vibration, and the device integrates a SENT peripheral (SAE J2716 single-wire nibble-encoded link) for direct connection to automotive ECUs. The CTMU supports capacitive touch sensing and resistive/time-domain measurements used in touch panels and level sensors, while the three op amps condition analog sensor signals such as pressure or position bridges. Used as the local sensor processor, it digitizes the physical quantity, applies filtering and linearization in the 256KB ECC-protected Flash, and transmits results over SENT to the host ECU; the 5V-tolerant I/O matches legacy 5V automotive sensor rails, avoiding level shifters, and the ECC Flash mitigates memory upsets in electrically noisy engine-bay and chassis locations.
Recommended
Appliance Motor and Power Control
Home and commercial appliances benefit from the DSPIC33EV256GM004T-I/P8 because Microchip explicitly targets the dsPIC33EV family at appliances operating in harsh electrical environments. A single 5V-supplied DSC can run the compressor or fan BLDC motor control loop using the six PWM channels and on-chip op-amp current sensing, while simultaneously handling user-interface tasks such as capacitive touch buttons via the CTMU. In a typical appliance main board, the device sits between the rectified mains power stage and the user interface, executing a control loop at tens of kHz with remaining 70 MIPS headroom for housekeeping; the 256KB Flash accommodates field-updatable firmware including multiple motor profiles and fault logs, and ECC protection reduces field-return risk from memory corruption caused by inverter switching transients and mains disturbances.
Recommended
Industrial Digital Power Conversion
In digital power supplies, PFC stages, and DC-DC converters, the DSPIC33EV256GM004T-I/P8 provides the high-speed closed-loop control needed for kHz-to-hundreds-of-kHz switching converters. The 70 MIPS 16-bit core with single-cycle MAC executes digital compensators (PI, PID, or 2p2z) with deterministic interrupt latency, while the ADC samples output voltage and inductor current for the control loop; the six PWM channels generate phase-shifted or complementary drive with dead-time control. The 5V I/O directly interfaces with common gate-driver ICs without level translation. Because converter control code is compact, the 256KB Flash offers generous margin for multiple operating modes, protection state machines, and telemetry, and the ECC Flash plus FuSa family support make the part appropriate for industrial power systems where controller malfunction could damage downstream loads or create safety hazards.
Recommended
Capacitive Touch Interfaces
The DSPIC33EV256GM004T-I/P8 implements robust capacitive touch user interfaces using its integrated Charge Time Measurement Unit (CTMU), which measures pad capacitance by controlled constant-current charge timing, requiring no external touch controller IC. In an appliance panel, keypad, or automotive touch control unit, the DSC scans multiple touch channels, applies Microchip touch algorithms (baseline tracking, debounce, proximity detection), and drives LEDs or relays from the remaining I/O. The 70 MIPS core leaves ample budget for running both the touch scan loop and application logic concurrently, while the 5V operation and industrial noise immunity of the dsPIC33EV family maintain reliable touch detection in environments with motor switching noise and vibration where 3V touch solutions often require additional shielding. The 256KB ECC Flash stores tuning parameters and firmware updates securely over the product lifetime.
Recommended
Sensor Signal Processing and Data Acquisition
As a sensor signal processor, the DSPIC33EV256GM004T-I/P8 combines the three on-chip op amps, high-resolution ADC sampling, and DSP engine (single-cycle MAC, 40-bit accumulators) to condition, digitize, and filter analog sensor signals such as pressure bridges, thermistor networks, and current shunts. The op amps can be configured as programmable-gain amplifiers ahead of the ADC, eliminating discrete amplifier stages, while the DSP core applies IIR/FIR filtering and calibration math in real time at 70 MIPS. Results are exported over standard serial links to a host system. This integration is valuable in industrial measurement nodes and test equipment where board space and BOM cost are constrained; the 256KB ECC-protected Flash holds compensation tables and multi-point calibration curves, and the SENT peripheral enables direct integration into automotive sensor architectures without an external protocol translator.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV256GM004T-I/P8 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV256GM004-I/P8 | DSPIC33EV256GM004T-E/P8 | DSPIC33EV128GM004T-I/P8 | DSPIC33EV256GM004T-I/ML |
|---|---|---|---|---|---|
| Package | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-QFN - same pin count, different footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 256 KB with ECC | 256 KB with ECC | 256 KB with ECC | 128 KB with ECC | 256 KB with ECC |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | Extended (E) grade | -40C to +85C (I) | -40C to +85C (I) |
| PWM / Op Amps / SENT | 6 MC PWM, 3 op amps, SENT, CTMU | Same peripheral set | Same peripheral set | Same peripheral set | Same peripheral set |
| Packaging | Tape & Reel (T) | Tube/Tray | Tape & Reel (T) | Tape & Reel (T) | Tape & Reel (T) |
Key Differentiators
- Maximum Flash on the 48-TQFP footprint (vs DSPIC33EV128GM004T-I/P8)
- Extended-temperature headroom available without redesign (vs DSPIC33EV256GM004T-E/P8)
- TQFP hand-assembly and inspection advantage (vs DSPIC33EV256GM004T-I/ML)
Design Notes
Decouple every VDD pin with a 0.1uF ceramic capacitor placed within 2-3 mm of the pin, plus one bulk 4.7-10uF capacitor near the device. The dsPIC33EV core at 70 MIPS draws transient current bursts during Flash write and PWM edge events; inadequate high-frequency decoupling on a 5V rail shared with gate drivers causes brown-out resets. Consider a dedicated small LDO or ferrite bead isolating the DSC supply from inverter power rails. Follow Microchip family datasheet DS70005144H power connections section.
Use Peripheral Pin Select (PPS) early in layout to route PWM outputs and UART/SPI away from analog lines feeding the three on-chip op amps. Keep op-amp inputs and ADC sense traces short, guard them with ground, and place the current-sense shunts physically close to the device. The 48-TQFP 7x7 mm body allows a straightforward 0.5 mm-pitch fanout on a 2-layer board; allocate a solid ground plane beneath the device for EMI and ADC accuracy.
Three frequent mistakes: (1) selecting the /E grade part where the ambient exceeds the /I grade -40C to +85C limit in sealed enclosures near motors; choose DSPIC33EV256GM004T-E/P8 instead. (2) Confusing /P8 (48-TQFP) with /ML (48-QFN) or /PT (44-TQFP) footprints - they are not interchangeable on the same land pattern. (3) Ignoring the 4KB RAM ceiling when porting code from larger dsPIC33 variants; check the XC16 linker map for heap/stack collision before committing to this memory density.
When driving three-phase inverters, insert appropriate dead time in the complementary PWM outputs and use the hardware fault pin to trip outputs on overcurrent, rather than software-only protection. Route MCLR and programming pins (PGD/PGC) to a standard ICSP header even in production boards - in-field firmware updates via the ECC Flash protect your service strategy and reduce warranty costs.
Compliance Information
RoHS/lead-free status per standard Microchip commercial grade packaging; formal REACH, halogen-free, and conflict-minerals declarations should be requested from Microchip or distributor documentation. The /I suffix denotes industrial temperature grade; this exact suffix does not itself denote AEC-Q100 qualification - request Microchip automotive qualification data separately.
