DSPIC33EV32GM004T-I/P8 - 16-bit 70MHz DSC 32KB Flash | Microchip
MPN: DSPIC33EV32GM004T-I/P8 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.444 | $3.44 |
| 10 | $3.21 | $32.10 |
| 100 | $2.96 | $296.00 |
| 500 | $2.72 | $1,360.00 |
| 1,000 | $2.51 | $2,510.00 |
DSPIC33EV32GM004T-I/P8 Overview
A digital signal controller combines the computational throughput of a DSP engine with the peripheral integration and control architecture of a microcontroller. In the product hierarchy, the dsPIC33EV sits between general-purpose 16-bit MCUs and dedicated DSPs, offering single-cycle MAC and DSP instructions, barrel shifting, and hardware division alongside typical MCU peripherals such as UART, SPI, I2C, and timers. This makes DSCs the preferred choice for closed-loop real-time control systems.
Key differentiating features of this part include the 5V-tolerant operating range that eliminates level shifting in industrial and automotive 5V environments, ECC Flash that detects and corrects single-bit memory errors for functional-safety (FuSa) oriented designs, and an integrated analog front end - three op amps that can be used to build signal-conditioning chains around the 12-bit ADC without external amplifiers.
Architecturally, the dsPIC33EV core executes up to 70 MIPS from a phase-locked loop clocked by an internal or external source, with seven timers and four DMA channels (per Microchip family documentation) that offload data movement from the CPU during high-rate ADC sampling or PWM-triggered control loops.
Typical applications include motor control (BLDC, PMSM, ACIM) using the 6-channel complementary-or-independent MC PWM, automotive and industrial sensor nodes using the SENT peripheral and CTMU for capacitive/touch or time measurement, and digital power conversion where fast DSP math plus on-chip analog shortens the control loop.
Design consideration: the 48-TQFP 7x7 mm package with 0.5 mm lead pitch requires fine-pitch PCB lands and good grounding of the exposed supply structure; verify the exact 5V supply tolerance (4.5V to 5.5V per verified distributor data) before board design.
This page synthesizes distributor pricing, verified drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EV32GM004T-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 DSPIC33EV32GM004T-I/P8 (same form factor and footprint) — differing in Operating Temperature, Core Architecture, Qualification, Package, RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV32GM004-E/P8
✅ Drop-In✓ In Stock
$3.72 / Unit
View Datasheet →DSPIC33EV128GM004T-I/P8
✅ Drop-In✓ In Stock
$4.05 / Unit
View Datasheet →DSPIC33EV128GM004-E/P8
✅ Drop-In✓ In Stock
$2.86 / Unit
View Datasheet →DSPIC33EV256GM004-E/P8
✅ Drop-In✓ In Stock
$3.52 / Unit
View Datasheet →DSPIC33EV32GM004T-I/P8 Maximum Ratings & Electrical Characteristics
| Core | dsPIC33EV 16-bit DSC |
| Core Frequency | 70 MHz (70 MIPS) |
| Program Memory (Flash) | 32 KB (11K x 24), ECC-protected |
| RAM | 4 KB |
| Supply Voltage | 4.5 V to 5.5 V |
| I/O Count | 35 |
| Motor Control PWM | 6 channels (complementary or independent) |
| On-chip Op Amps | 3 |
| CTMU | Yes (Charge Time Measurement Unit) |
| SENT Interface | Yes |
| Operating Temperature | -40C to +85C (I grade) |
| Package | 48-TQFP (7x7 mm) |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| RoHS Status | Compliant |
| Qualification | Functional Safety (FuSa) capable family; AEC-Q100 qualified family members available (H/E grade variants) |
| Product Series | dsPIC33E |
DSPIC33EV32GM004T-I/P8 48-tqfp (7x7 mm) Pin Configuration Guide
Pin configuration for DSPIC33EV32GM004T-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 DSPIC33EV32GM004T-I/P8.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV32GM004T-I/P8 is suitable for 6 applications: BLDC/PMSM Motor Control, Automotive Sensor Nodes (SENT), Appliance Control Boards, Digital Power Conversion, Industrial Sensing and Condition Monitoring, Power Supplies for Harsh Environments / Rugged Control.
BLDC/PMSM Motor Control
The DSPIC33EV32GM004T-I/P8 is a natural fit for brushless-DC and permanent-magnet synchronous motor drives because its 6 motor-control PWM channels can be configured as three complementary half-bridge pairs with dead-time insertion, exactly what a three-phase inverter requires. The 70 MIPS dsPIC33EV core executes field-oriented control (FOC) loops with single-cycle MAC instructions, keeping current-loop cycle times in the tens of microseconds. On-chip op amps can amplify shunt-current sense signals into the ADC, reducing BOM cost. Running at 5V also gives noise immunity in electrically harsh motor environments where 3.3V controllers need extra level shifting and filtering.
Recommended
Automotive Sensor Nodes (SENT)
Automotive sensor interfaces increasingly use the SENT (SAE J2716) protocol, and this DSC integrates a SENT peripheral directly, allowing it to decode sensor outputs or transmit its own measurements to an ECU without software bit-banging. The CTMU (Charge Time Measurement Unit) adds precise capacitive and time-interval measurement for resistive/capacitive sensor conditioning. Combined with 5V operation matching automotive rail levels and the extended-temperature -E package variants carrying AEC-Q100 family qualification, the dsPIC33EV32GM004 serves pedal-position, pressure, and level-sensing nodes. ECC Flash adds memory robustness valued in electrically noisy vehicle harnesses where single-bit upsets would otherwise corrupt code.
Recommended
Appliance Control Boards
Home appliances - washing machines, dishwashers, induction cooktops - combine motor drives, user touch interfaces, and noisy 5V environments, which is exactly the profile Microchip targets for the dsPIC33EV family. The 6 MC PWM channels drive compressor and drum motors; the CTMU implements capacitive touch buttons without a separate touch controller; and the 3 op amps condition NTC temperature and current feedback. Industrial -40C to +85C temperature rating covers unheated garages and outdoor units. The 32KB ECC Flash is sufficient for typical appliance state-machine firmware, and 5V GPIO directly drives relays and LEDs without external buffers, shortening the BOM and PCB area.
Recommended
Digital Power Conversion
Switched-mode power supplies, PFC stages, and LLC converters need fast, deterministic control loops, and the DSPIC33EV32GM004T-I/P8 delivers them: the 70 MIPS core with DSP MAC instructions computes compensator equations in microseconds, while PWM peripherals trigger ADC sampling synchronously with switching events to eliminate jitter. The integrated op amps can implement error amplifiers or current-sense amplification internally. 5V operation improves gate-drive interfacing for many driver families. ECC protection on program memory guards against corruption in high-dV/dt switching environments, and the 32KB Flash accommodates multi-mode control firmware including soft-start, fault handling, and PMBus-style host communication on UART/I2C.
Recommended
Industrial Sensing and Condition Monitoring
Factory condition-monitoring nodes benefit from this DSC's combination of DSP math and integrated analog: vibration and acoustic signals from piezo sensors are amplified by the 3 on-chip op amps, digitized by the ADC, and processed with FFT/FIR routines enabled by the DSP engine's single-cycle MAC and barrel shifter. The CTMU supports resistive and capacitive measurement for wear or level detection, while the industrial -40C to +85C rating tolerates cabinet-mounted deployment. 5V logic gives robust noise margins near VFDs and contactors. UART, SPI, and I2C links feed results to plant PLCs or gateways, and the 32KB ECC Flash suffices for feature-extraction firmware.
Recommended
Power Supplies for Harsh Environments / Rugged Control
In harsh environments - outdoor equipment, agricultural machinery, refrigeration plants - 5V-tolerant, temperature-hardened controllers reduce external protection circuitry. The DSPIC33EV32GM004T-I/P8 operates directly from industrial 5V rails across -40C to +85C, and its ECC Flash plus the dsPIC33EV family's FuSa orientation support designs where power glitches and EMI are routine. The 6 PWM channels can manage heaters, pumps, and fans simultaneously; op amps handle current monitoring; CTMU handles capacitive user interfaces even through thick enclosures. When ambients exceed the I-grade limit, the pin-identical -E/P8 extended-temperature variant drops in with no PCB change, preserving the validated design.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV32GM004T-I/P8 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV32GM004-E/P8 | DSPIC33EV128GM004T-I/P8 | DSPIC33EV128GM004-E/P8 | DSPIC33EV256GM004-E/P8 |
|---|---|---|---|---|---|
| Package | 48-TQFP (7x7 mm) | 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 |
| Program Flash | 32 KB (ECC) | 32 KB (ECC) | 128 KB (ECC) | 128 KB (ECC) | 256 KB (ECC) |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| Core Speed | 70 MHz / 70 MIPS | 70 MHz / 70 MIPS | 70 MHz / 70 MIPS | 70 MHz / 70 MIPS | 70 MHz / 70 MIPS |
| 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 |
| Operating Temperature | -40C to +85C (I grade) | Extended (E grade) | -40C to +85C (I grade) | Extended (E grade) | Extended (E grade) |
| Peripherals (PWM / Op Amps / SENT / CTMU) | 6 MC PWM, 3 op amps, SENT, CTMU | 6 MC PWM, 3 op amps, SENT, CTMU | 6 MC PWM, 3 op amps, SENT, CTMU | 6 MC PWM, 3 op amps, SENT, CTMU | 6 MC PWM, 3 op amps, SENT, CTMU |
Key Differentiators
- Same die, extended-temperature qualification at identical footprint (vs DSPIC33EV32GM004-E/P8)
- Lowest-cost entry point of the 48-TQFP dsPIC33EV xM004 family (vs DSPIC33EV128GM004T-I/P8)
- 5V operation with integrated analog front end (vs DSPIC33EV256GM004-E/P8)
Design Notes
Supply the DSPIC33EV32GM004T-I/P8 strictly within the verified 4.5V to 5.5V window. Place a 100 nF ceramic capacitor at every VDD pin with a local 4.7 uF to 10 uF bulk capacitor, following standard Microchip dsPIC33E decoupling practice. If the board combines motor-drive or switching loads with the DSC, isolate the analog supply (AVDD) through an RC or ferrite filter so PWM switching transients do not appear on ADC references. Brown-out behavior should be validated across the 4.5V floor during system-level EMC testing.
The 48-TQFP (7x7 mm, 0.5 mm pitch) lands should follow IPC-compliant footprint definitions from the Microchip datasheet, with ~0.1 mm solder-mask expansion. Assign PWM, SENT, and CTMU nets to short, direct traces away from the crystal routing, and keep the three on-chip op-amp input traces short and guarded - unguarded high-impedance op-amp inputs on a 5V digital board easily pick up crosstalk from adjacent PWM lines. Use a solid ground plane beneath the device and connect analog and digital grounds at a single point.
Three frequent mistakes with dsPIC33EV designs: (1) confusing core MIPS with the oscillator frequency - Mouser lists 60 MHz and DigiKey 70 MHz because FOSC and FCY relate through the PLL ratio; confirm your PLL configuration targets the intended 70 MIPS. (2) Ignoring ECC-Flash timing on erase/write during runtime self-programming - EEPROM emulation routines must respect erase-block sizes per the family reference manual. (3) Choosing the -I grade for an ambient above +85C; use the pin-identical -E/P8 extended-temperature variant instead rather than redesigning.
Compliance Information
Distributor data (pcbelectronics) lists RoHS compliant and lead-free for this part. AEC-Q100 qualification applies to the -E and -H grade family variants per Microchip USA data; this -I grade is not itself AEC-Q100 qualified. REACH and halogen-free status not stated in provided data.
