DSPIC33EV256GM104T-I/P8 - 16-bit 5V DSC 256KB Flash TQFP-48 | Microchip
MPN: DSPIC33EV256GM104T-I/P8 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.2 | $5.20 |
| 10 | $4.75 | $47.50 |
| 100 | $4.2 | $420.00 |
| 500 | $3.85 | $1,925.00 |
| 1,000 | $3.45 | $3,450.00 |
DSPIC33EV256GM104T-I/P8 Overview
A digital signal controller merges the compute power of a DSP core with the peripheral set and deterministic interrupt behavior of a microcontroller, sitting between a general-purpose MCU and a dedicated DSP in the embedded control hierarchy. The dsPIC33EV family extends this concept to harsh 5V industrial and automotive environments where 3.3V controllers require additional level-shifting circuitry.
Key features include on-die ECC Flash for functional-safety (FuSa) designs, a 24-channel 10/12-bit ADC, three on-chip operational amplifiers, a CTMU (charge time measurement unit) for capacitive touch and time measurement, a CAN 2.0B module, six motor-control PWM channels, and SENT peripheral support for automotive sensor interfaces.
The modified Harvard architecture executes DSP instructions such as MAC and dual fetches while retaining fast interrupt latency for control loops. The 5V operation of 4.5V to 5.5V directly interfaces with legacy industrial buses and automotive 12V-derived sensor rails, and the DSP engine supports PID and field-oriented motor-control algorithms.
Typical applications include BLDC and PMSM motor control in appliances, automotive body and sensor control units, industrial power supplies and digital power conversion, and battery-management nodes requiring CAN connectivity.
Design consideration: budget the shared A/D and op-amp analog resources carefully - the three internal op amps are multiplexed with ADC channels, so pin planning must precede layout.
This page synthesizes distributor listings, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EV256GM104T-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 DSPIC33EV256GM104T-I/P8 (same form factor and footprint) — differing in Package, RAM, Core, RoHS Status, CTMU.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV256GM104-E/P8
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33EV128GM104-E/P8
✅ Drop-In✓ In Stock
$4.4 / Unit
View Datasheet →DSPIC33EV128GM004T-I/P8
✅ Drop-In✓ In Stock
$4.05 / Unit
View Datasheet →DSPIC33EV256GM104T-I/P8 Maximum Ratings & Electrical Characteristics
| Core | 16-bit dsPIC33E DSC |
| Maximum CPU Speed | 70 MIPS (Mouser lists 60 MHz peripheral clock) |
| Program Memory | 256 KB (85.5K x 24) ECC Flash |
| RAM Size | 16 KB (4 KB per Mouser summary; 16K x 8 per OnlineComponents) |
| Operating Voltage | 4.5 V to 5.5 V |
| Digital Signal Controller Family | dsPIC33EV 5V series |
| Communication Interfaces | CAN 2.0B, UART, SPI, I2C |
| PWM Channels | 6 motor-control (MC) PWM |
| Analog-to-Digital Converter | 24-channel 10/12-bit |
| Integrated Op Amps | 3 |
| CTMU | Yes (Charge Time Measurement Unit) |
| SENT Peripheral | Yes |
| GPIO Count | 35 I/O |
| Operating Temperature Range | -40C to +85C (I grade) |
| Package | 48-TQFP (7x7 mm), P8 |
| Mounting Type | Surface Mount |
| Functional Safety Support | Yes (FuSa, ECC Flash) |
| RoHS Status | Compliant |
DSPIC33EV256GM104T-I/P8 48-tqfp (7x7 mm), p8 Pin Configuration Guide
Pin configuration for DSPIC33EV256GM104T-I/P8 (48-tqfp (7x7 mm), p8 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 DSPIC33EV256GM104T-I/P8.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV256GM104T-I/P8 is suitable for 6 applications: BLDC / PMSM Motor Control, Automotive Body and Sensor Control Units, Industrial Power Supplies and Digital Power Conversion, Appliance Control Boards, Battery Management and Charging Systems, Capacitive Touch HMI and Panel Control.
BLDC / PMSM Motor Control
The DSPIC33EV256GM104T-I/P8 fits motor control because its six motor-control (MC) PWM channels provide complementary outputs with dead-time insertion, while the 24-channel 12-bit ADC can sample phase currents and the DC bus synchronously with PWM triggers. The three on-chip op amps condition shunt-resistor current signals internally, eliminating external amplifier stages and reducing BOM cost in sensorless FOC drives. Running the 70 MIPS DSP engine with MAC instructions executes field-oriented control loops at 10-20 kHz switching frequencies with margin. Placed as the single controller between gate drivers and current-sense shunts, the native 5V operation directly reads 5V-referenced hall sensors and encoder signals. The trade-off: 5V logic requires level translation if the gate-driver IC is a 3.3V part.
Recommended
Automotive Body and Sensor Control Units
The DSPIC33EV256GM104T-I/P8 suits automotive control nodes because it combines a SENT peripheral for reading SAE J2716 sensor streams, a CAN 2.0B controller for vehicle networking, and ECC Flash that protects program memory against bit flips in electrically noisy 12V environments. According to Microchip, the dsPIC33EV family was designed specifically for harsh automotive sensor, touch, and control units exposed to noise and vibration. The CTMU enables capacitive-touch interfaces for interior controls, while the 12-bit ADC digitizes analog sensor inputs. For under-hood positions exceeding +85C, select the -E grade variant in the same footprint. The CAN module pairs with an external transceiver such as the MCP2562 to form a complete J1939-compatible node.
Recommended
Industrial Power Supplies and Digital Power Conversion
In digitally controlled AC-DC and DC-DC converters, the DSPIC33EV256GM104T-I/P8 executes voltage- and current-loop compensation using its DSP MAC instructions while the high-speed PWM module generates phase-shifted or complementary gate-drive signals with nanosecond-class resolution. The 12-bit ADC samples output voltage and inductor current at PWM-frequency rates, and the three op amps condition shunt or current-transformer signals without external amplifiers. Native 5V operation matches optocoupler and isolated-driver output levels common in industrial power stages, reducing interface circuitry. ECC Flash safeguards firmware integrity in electrically noisy switching environments. Design consideration: reserve DMA-capable ADC channels for the primary control loop and validate loop stability across line and load transients before release.
Recommended
Appliance Control Boards
Home appliances - washing machines, dishwashers, and refrigerators - need robust motor drives, capacitive-touch user interfaces, and communication buses in one controller. The DSPIC33EV256GM104T-I/P8 addresses all three: six MC PWM channels drive the inverter for BLDC wash motors, the CTMU implements capacitive-touch buttons through the 24-channel ADC pins, and UART or CAN links the board to displays and Wi-Fi modules. Microchip positions the dsPIC33EV family explicitly for appliance applications in harsh electrical environments with voltage sag, surge, and EMI from relay switching. The 5V I/O tolerates the noisy wiring harnesses typical of white goods. Flash capacity of 256KB accommodates feature-rich firmware plus OTA-style bootloaders.
Recommended
Battery Management and Charging Systems
The DSPIC33EV256GM104T-I/P8 works in BMS slave and charging control nodes where it measures cell voltages and currents via the 24-channel 12-bit ADC, computes state-of-charge and balancing decisions on the DSP core, and reports over CAN to the vehicle or pack master. The three on-chip op amps buffer cell-tap sense lines, and the CTMU can perform low-cost impedance or touch diagnostics. 5V-rated I/O interfaces directly with industrial charger front-ends and isolation transformers. ECC Flash ensures firmware integrity over years of charge cycles, and the SENT interface accepts smart battery-pack sensors. Confirm the -I temperature grade (to +85C) matches the battery compartment thermal profile; the -E variant extends to +125C.
Recommended
Capacitive Touch HMI and Panel Control
The DSPIC33EV256GM104T-I/P8 implements multi-button and slider capacitive-touch human-machine interfaces using its CTMU charge-time measurement unit multiplexed across up to 24 ADC-capable pins. The 70 MIPS core runs Microchip touch-sensing libraries with oversampling and drift compensation while simultaneously handling backlight PWM, rotary encoder inputs, and UART/I2C links to displays. 5V-driven touch traces tolerate the longer, noisier flex cables common in industrial panels where 3.3V systems lose sensitivity. The DSP headroom supports haptic-feedback timing and layered menu logic. Layout guidance: keep CTMU sense traces short, guard them with ground, and follow the touch-sensing design guide for electrode geometry to maintain reliable SNR through thick overlay panels.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV256GM104T-I/P8 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV256GM104-E/P8 | DSPIC33EV128GM104-E/P8 | DSPIC33EV128GM004T-I/P8 |
|---|---|---|---|---|
| Package | 48-TQFP (7x7) | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same | 48-TQFP (7x7) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 256 KB (ECC) | 256 KB (ECC) | 128 KB | 128 KB |
| Core Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Voltage | 4.5 V - 5.5 V | 4.5 V - 5.5 V | 4.5 V - 5.5 V | 4.5 V - 5.5 V |
| Temperature Range | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) | -40C to +85C (I) |
Key Differentiators
- 256KB ECC Flash enables functional-safety designs (vs DSPIC33EV128GM104-E/P8)
- Extended-temperature option on identical footprint (vs DSPIC33EV256GM104-E/P8)
- Integrated analog front-end (3 op amps + 24ch 12-bit ADC) (vs DSPIC33EV128GM004T-I/P8)
Design Notes
Decouple every VDD/VSS pair with 0.1uF ceramic capacitors placed within 2 mm of the pins, plus a single 4.7-10uF bulk capacitor near the supply entry. The 48-TQFP 7x7 mm package has a centered pin-out pattern; route high-frequency PWM traces (up to 70 MIPS internal clocking) away from the analog ADC channel traces, and use a solid ground plane under the analog section. Per Microchip layout guidance for dsPIC33E devices, keep the crystal/oscillator loop compact with guard rings if using an external primary oscillator above 8 MHz.
The three on-chip op amps and CTMU are multiplexed with ADC channels - confirm pin assignment early in schematic capture, because swapping an op-amp output to a non-multiplexed pin later forces a respin. Also note the MCLR pin doubles as the programming/ICSP voltage input (up to ~9V during programming per family documentation); ensure no other circuitry loads MCLR. Configure configuration words (FOSC, FWDT, FPOR) correctly - watchdog and brown-out settings in configuration bits, not runtime code, determine reset behavior in the field.
Estimated: at 70 MIPS with typical I/O loading, the dsPIC33EV core dissipates on the order of 250-500 mW at 5V (based on typical active current figures in the family datasheet). The 48-TQFP (7x7) junction-to-ambient resistance is approximately 60-80 C/W with a standard 4-layer board; at 0.5 W this yields roughly 30-40 C junction rise, which is comfortable for -40C to +85C ambient operation but reduces margin in sealed enclosures. Verify with the exact datasheet typical-current figures for your operating frequency and power down unused peripherals.
Compliance Information
Distributor listings mark the part RoHS compliant and lead-free. AEC-Q100 qualification status for this specific suffix is not stated in the provided data - confirm with Microchip for automotive use.
