DSPIC33EV32GM004-I/P8 - 16-bit 70 MIPS 5V DSC | Microchip
MPN: DSPIC33EV32GM004-I/P8 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.22 | $3.22 |
| 10 | $3.05 | $30.50 |
| 100 | $2.85 | $285.00 |
| 500 | $2.65 | $1,325.00 |
| 1,000 | $2.48 | $2,480.00 |
DSPIC33EV32GM004-I/P8 Overview
A digital signal controller combines the compute throughput of a DSP with the peripheral set and deterministic control of a microcontroller, sitting between a general-purpose MCU and a dedicated DSP in the embedded hierarchy. The dsPIC33EV family extends this concept with a 5V-tolerant core, allowing direct connection to industrial 5V I/O rails without level shifting.
Key features include ECC Flash for functional-safety (FuSa) designs, a wide 4.5V to 5.5V operating range, an industrial temperature rating of -40C to +85C (the -I suffix), and Peripheral Pin Select (PPS) for flexible pin mapping. The three integrated op amps reduce external component count in current-sense and signal-conditioning front ends.
Technically, the dsPIC33E core uses a modified Harvard architecture with a 16-bit data path, DSP multiply-accumulate instructions, and dual operand fetch, enabling single-cycle MAC operations for filter and control-loop algorithms. The 6-channel motor-control PWM supports complementary outputs with dead-time insertion for three-phase inverter drive.
Typical applications include BLDC and PMSM motor control for appliances, automotive sensor and touch control units, power-factor-correction converters, and industrial automation nodes operating in harsh, noisy environments.
Design consideration: because the core runs at 5V, junction temperature and PCB copper thermal relief matter more than in 3.3V designs; verify thermal margins at full 70 MIPS load using the industrial temperature rating as the ceiling.
This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design guidance not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EV32GM004-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 DSPIC33EV32GM004-I/P8 (same form factor and footprint) — differing in Core Architecture, Operating Temperature, Motor Control PWM Channels, 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 →DSPIC33EV32GM004-I/P8 Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E DSC |
| Maximum CPU Speed | 70 MIPS |
| Clock Frequency | 60 MHz (per Mouser listing) |
| Flash Memory | 32 KB (11K x 24) with ECC |
| SRAM | 4 KB |
| Operating Voltage | 4.5 V to 5.5 V |
| Operating Temperature | -40C to +85C (industrial, -I suffix) |
| Package | 48-TQFP (7x7 mm) |
| Mounting Type | Surface Mount |
| Motor Control PWM Channels | 6 MC PWM |
| On-chip Op Amps | 3 |
| CTMU | Yes (Charge Time Measurement Unit) |
| SENT Interface | Yes |
| Functional Safety Support | FuSa qualified (per DigiKey listing) |
| Peripheral Pin Select (PPS) | Yes |
DSPIC33EV32GM004-I/P8 48-tqfp (7x7 mm) Pin Configuration Guide
Pin configuration for DSPIC33EV32GM004-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 DSPIC33EV32GM004-I/P8.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV32GM004-I/P8 is suitable for 6 applications: BLDC / PMSM Motor Control, Automotive Sensor and Touch Control Units, Home Appliance Control Boards, Digital Power Conversion (PFC / SMPS), Industrial Automation and Sensor Acquisition Nodes, Battery Chargers and Power Management Units.
BLDC / PMSM Motor Control
The DSPIC33EV32GM004-I/P8 fits motor control because it combines six motor-control PWM channels, capable of complementary outputs with dead-time insertion for three-phase inverters, with three on-chip op amps that buffer current-shunt signals for field-oriented control without external amplifiers. The 70 MIPS 16-bit DSP core executes single-cycle MAC instructions, keeping FOC current loops well within sample-period budgets. In use, the DSC sits between the DC bus and the three-phase gate-driver stage, generating 6 PWM outputs and reading phase currents via its internal ADC. The 5V core improves noise immunity in inverter environments where 3.3V controllers need extra level shifting, and ECC Flash supports functional-safety motor-drive development.
Recommended
Automotive Sensor and Touch Control Units
Microchip targets the dsPIC33EV family directly at automotive sensors and touch/control units designed for harsh, vibration-prone environments. The DSPIC33EV32GM004-I/P8 contributes a native SENT peripheral for single-wire, low-cost sensor-to-ECU communication used across automotive sensor nodes, plus a CTMU that enables capacitive touch sensing and precise time-charge measurements. Its 5V I/O tolerates automotive load-dump-clamped rails with minimal conditioning, and the -40C to +85C industrial rating suits cabin and under-dash modules. Designers typically wire the SENT output to the vehicle network node and use remaining ADC channels for resistive sensor acquisition; the ECC Flash protects code integrity over the vehicle lifetime.
Recommended
Home Appliance Control Boards
Appliance control boards benefit from the DSPIC33EV32GM004-I/P8's combination of motor-control PWM, 5V robustness, and industrial temperature range in a compact 7x7 mm TQFP. Washing machines, dishwashers, fans, and compressors use its six MC PWM channels to drive inverter motor stages, while the three integrated op amps condition shunt-resistor current feedback, cutting bill-of-materials cost relative to discrete amplifiers. The 4.5V to 5.5V supply range allows direct operation from transformer-derived 5V rails common in appliance power supplies. Because appliance boards face capacitive-coupled noise from switching stages, the device's robust 5V I/O structure and Peripheral Pin Select let designers route critical inputs away from noisy PCB regions.
Recommended
Digital Power Conversion (PFC / SMPS)
In switched-mode power supplies and power-factor-correction stages, the DSPIC33EV32GM004-I/P8 provides the fast control-loop execution that digital power requires: a 70 MIPS core with DSP multiply-accumulate instructions closes current-mode loops at tens of kilohertz with deterministic latency. The high-resolution motor-control PWM outputs shape converter switching, while the 12-bit ADC (via PPS-mapped sampling) captures inductor current and bus voltage. Its 5V logic interfaces cleanly with gate-driver ICs that expect 5V CMOS thresholds, reducing interface circuitry. Designers typically implement average-current-mode PFC or LLC control in software, exploiting ECC Flash to protect control firmware integrity in safety-relevant power stages.
Recommended
Industrial Automation and Sensor Acquisition Nodes
Factory-floor nodes gain from the DSPIC33EV32GM004-I/P8's noise-tolerant 5V I/O, Peripheral Pin Select flexibility, and CTMU-based measurement capability. Typical deployments include proximity-sensor interfaces, 4-20 mA transmitter heads, and small actuator controllers where the three on-chip op amps amplify bridge or shunt signals and the ADC digitizes them with the CTMU providing accurate timing for charge-based measurement. The -40C to +85C rating covers unconditioned electrical cabinets, and ECC Flash safeguards program memory against industrial EMI. With UART/SPI/I2C remappable via PPS, the node can also bridge legacy 5V field signals to a modern gateway, simplifying mixed-voltage PCB design in retrofit projects.
Recommended
Battery Chargers and Power Management Units
The DSPIC33EV32GM004-I/P8 supports smart-battery charging architectures where charge-profile firmware, safety monitoring, and PWM-controlled power conversion run on one die. Its six MC PWM channels drive buck or synchronous rectifier stages for charging converters, the ADC monitors pack voltage, current, and temperature, and the CTMU can implement precise timing or touch-based user interfaces on the charger housing. The 5V supply matches common charger auxiliary rails, avoiding extra regulators, while the 70 MIPS core executes charge-state algorithms including CC/CV profiles with margin. ECC Flash ensures charging firmware integrity, an important consideration for product-safety audits in consumer and industrial charger designs alike.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV32GM004-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 |
|---|---|---|---|---|
| Package | 48-TQFP (7x7 mm) | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB ECC | 32 KB ECC | 128 KB ECC | 128 KB ECC |
| SRAM | 4 KB | 4 KB | 8 KB | 8 KB |
| CPU Performance | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Temperature | -40C to +85C (industrial) | -40C to +125C (extended) | -40C to +85C (industrial) | -40C to +125C (extended) |
| Motor-Control PWM | 6 channels | 6 channels | 6 channels | 6 channels |
Key Differentiators
- Extended temperature headroom available on the same footprint (vs DSPIC33EV32GM004-E/P8)
- 4x program memory on the identical 48-TQFP footprint (vs DSPIC33EV128GM004T-I/P8)
- Integrated analog front end (vs Generic 3.3V Cortex-M MCUs (e.g., STM32F1 series))
Design Notes
The dsPIC33EV core runs from a 4.5V to 5.5V supply. Decouple VDD with at least one 0.1 uF ceramic capacitor per VDD/VSS pair placed within 2 mm of the pins, plus a 4.7 uF to 10 uF bulk capacitor near the device. Per the family data sheet, all AVDD/AVSS pairs must be connected to the analog supply with individual decoupling to preserve ADC accuracy. Never share the analog 5V rail with inverter gate-driver supplies in motor-control boards.
In motor-control layouts, keep the shunt-sense traces from the current-sense resistors to the on-chip op amp inputs as short, matched, differential pairs routed over a solid ground plane. Use Peripheral Pin Select to route PWM outputs away from analog front-end pins rather than crossing them. Place the MCLR programming connection and ICSP header (5-pin: MCLR, VDD, GND, PGD, PGC) on every production board for field firmware updates.
Common pitfalls with the dsPIC33EV GM004: (1) forgetting that PPS remapping requires unlocking the PPS registers before writes and re-locking afterward; (2) exceeding the 5.5V absolute maximum when connecting directly to unclamped automotive rails - use TVS and series protection; (3) treating the -I suffix as automotive-qualified for production releases - confirm the exact qualification status of your ordering code with Microchip before PPAP submission.
Compliance Information
The provided distributor data does not explicitly state RoHS/REACH/AEC-Q100 status for this exact ordering code. DigiKey classifies the part as a Functional Safety (FuSa) microcontroller IC, and Microchip positions the dsPIC33EV family for automotive applications. Verify compliance certificates for your lot before automotive production release.
