DSPIC33EV64GM004T-I/PT - 16-bit 70MIPS 5V DSC 64KB | Microchip
MPN: DSPIC33EV64GM004T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.8 | $38.00 |
| 100 | $3.35 | $335.00 |
| 500 | $3.05 | $1,525.00 |
| 1,000 | $2.8 | $2,800.00 |
DSPIC33EV64GM004T-I/PT Overview
A digital signal controller combines the computational throughput of a digital signal processor with the peripheral integration and ease of use of a microcontroller. DSCs sit within the broader power and motor-control semiconductor hierarchy as embedded processing ICs, offering deterministic DSP multiply-accumulate (MAC/DSP) instructions alongside general-purpose MCU peripherals. The 16-bit dsPIC33E architecture executes one instruction per cycle at up to 70 MIPS, positioning it between general-purpose MCUs and full floating-point DSPs for real-time embedded control.
Key features include the 5V-tolerant core that removes the need for a 3.3V supply rail in harsh electrical environments, 9 timers, 4 DMA channels, and 35 general-purpose I/O pins. Error-Correction-Code (ECC) Flash improves reliability in electrically noisy settings. The device is part of Microchip's Functional Safety (FuSa) ready dsPIC33EV family, supported by safety documentation packages.
The dsPIC33EV GM family uses a modified Harvard, CISC-style 16-bit pipeline with DSP engine, on-chip oscillators, and a rich peripheral set suited to motor control (PWM, ADC, comparators) and digital power conversion. Microchip documents the family as designed for harsh environments with robust noise immunity.
Typical applications include industrial motor drives, appliances, automotive sensors and control units, digital power supplies, and general industrial automation where a 5V noise-immune controller simplifies system design.
Design consideration: the 44-TQFP (10x10) footprint requires careful decoupling on each VDD/VSS pair; use 0.1uF ceramics per supply pin plus bulk capacitance, and route the MCLR/PGD/PGC programming traces for In-Circuit Serial Programming (ICSP) access.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33EV64GM004T-I/PT — 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 DSPIC33EV64GM004T-I/PT (same form factor and footprint) — differing in Core Architecture, Package, Packaging, Supply Voltage, DMA Channels.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV64GM004T-H/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV64GM004T-H/PTVAO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV64GM004T-I/PTVAO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV256GM104-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.4 / Unit
View Datasheet →DSPIC33EV64GM104T-I/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.3 / Unit
View Datasheet →DSPIC33EV64GM004T-I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33EV, 16-bit |
| Core Architecture | dsPIC 33EV CISC, Harvard |
| Maximum CPU Speed | 70 MIPS |
| Maximum Clock Frequency | 40 MHz |
| Program Memory Size | 64 KB (22K x 24) Flash |
| Flash Type | ECC Flash |
| RAM Size | 8 KB (8K x 8) |
| Supply Voltage Range | 4.5 V to 5.5 V |
| Number of I/O | 35 I/O |
| Timers | 9 |
| DMA Channels | 4 |
| Package | 44-TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C |
| Safety Feature | Functional Safety (FuSa) ready |
| Packaging | Tape & Reel (T/R) |
| Process Technology | CMOS |
DSPIC33EV64GM004T-I/PT 44-tqfp (10x10 mm) Pin Configuration Guide
Pin configuration for DSPIC33EV64GM004T-I/PT (44-tqfp (10x10 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 DSPIC33EV64GM004T-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV64GM004T-I/PT is suitable for 6 applications: Industrial Motor Control, Appliance Control Boards, Digital Power Supplies, Automotive Sensors and Control Units, Industrial Automation and PLC I/O, Embedded DSP Signal Processing.
Industrial Motor Control
The DSPIC33EV64GM004T-I/PT fits industrial motor drives because its 70 MIPS 16-bit DSP core with single-cycle MAC instructions executes field-oriented control (FOC) and sensorless observer algorithms in real time, while 4.5V-5.5V direct operation on 24V industrial rails (via simple regulator) improves noise immunity versus 3.3V MCUs. The DSC drives MOSFET/IGBT bridges through its PWM peripherals with 4 DMA channels offloading ADC conversion buffers. ECC Flash protects the control firmware against electrically noisy switching transients. Place the controller near the gate-driver stage with careful star grounding; the 64KB program memory comfortably holds a full FOC stack plus communications.
Recommended
Appliance Control Boards
White-goods and appliance controllers benefit directly from this part's 5V noise immunity, -40C to +85C industrial range, and Functional-Safety-ready family positioning. Compressor, fan, and pump motors are controlled via on-chip PWM with 70 MIPS headroom for PFC and sensorless algorithms, while the 64KB ECC Flash retains firmware integrity through relay-switching transients and mains disturbances. The 44-TQFP (10x10) footprint with 35 I/O covers keypad scanning, display drive, and sensor inputs on a single controller. Because appliances demand decades of reliability, ECC Flash and wide supply tolerance (4.5V-5.5V) reduce field-failure modes caused by supply droop during motor start-up events.
Recommended
Digital Power Supplies
In digital SMPS and DC-DC converters, the DSPIC33EV64GM004T-I/PT closes control loops at high bandwidth thanks to the 70 MIPS core and fast ADC sampling supported by 4 DMA channels, implementing average-current-mode or peak-current-mode control digitally. The 5V core tolerates the electrically harsh environment near power stages, and ECC Flash ensures firmware survives repetitive switching noise. The 44-TQFP with 35 I/O handles PWM outputs, current/voltage sense inputs, and I2C or UART telemetry to a host. Design note: keep analog sense routing short and use the on-chip references where accuracy permits; budget control-loop ISR execution below 5 us to sustain switching frequencies above 200 kHz.
Recommended
Automotive Sensors and Control Units
Microchip positions the dsPIC33EV GM family for automotive sensors, touch, and control units operating in harsh vibration and noise environments. The DSPIC33EV64GM004T-I/PT's 5V supply matches 12V automotive electrical domains with minimal regulation cost, while -40C to +85C coverage (higher on -H/-E grades) spans underhood and chassis locations. The 70 MIPS DSP engine processes sensor signals - filtering, demodulation, and LIN/UART communication - with 64KB ECC Flash safeguarding calibration data. Verify the specific ordering code's AEC-Q100 status with Microchip for production automotive programs; the -I grade suits most cabin and body-electronics temperature zones.
Recommended
Industrial Automation and PLC I/O
Distributed I/O modules, sensor hubs, and small PLC cards use the DSPIC33EV64GM004T-I/PT where 5V field-side signaling avoids level shifting. Its 35 GPIO multiplexed through peripheral pin selection interfaces ADCs, encoders, UART/RS-485 (via external transceiver), SPI, and I2C, while 9 timers and 4 DMA channels handle multi-channel acquisition without CPU saturation. The 70 MIPS core provides margin for protocol stacks plus local control logic within the 64KB ECC Flash, and the 8KB RAM buffers serial data streams. Wide 4.5V-5.5V tolerance rides through brownouts on factory floors; pair with external supervision for guaranteed fail-safe resets on 24V-derived rails.
Recommended
Embedded DSP Signal Processing
As a low-cost fixed-point DSP engine, the DSPIC33EV64GM004T-I/PT implements FIR/IIR filters, FFTs, and control observers using single-cycle MAC and DSP addressing modes at up to 70 MIPS. Typical roles include vibration analysis, acoustic processing, power-metering math, and sensor-fusion pre-processing, where 64KB program memory and 8KB RAM are sufficient and a full 32-bit floating-point DSP would be over-specified. The 5V I/O interfaces directly to industrial transducers and legacy logic. Developers should use Microchip's DSP library routines and fixed-point (Q15/Q31) arithmetic; keep ISR-heavy DSP loops within the 70 MIPS budget by moving bulk data transfer to the 4 DMA channels.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV64GM004T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV64GM004T-H/PT | DSPIC33EV64GM004T-I/PTVAO | DSPIC33EV256GM104-E/PT |
|---|---|---|---|---|
| Package | 44-TQFP (10x10) | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 64 KB ECC (22K x 24) | 64 KB ECC | 64 KB ECC | 256 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB |
| CPU Speed | 70 MIPS (40 MHz clock) | 70 MIPS | 70 MIPS | 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 |
| Operating Temperature | -40C to +85C (industrial) | Higher grade (-H) | -40C to +85C | Extended (-E) grade |
| Timers / DMA | 9 timers / 4 DMA | 9 timers / 4 DMA | 9 timers / 4 DMA | 9 timers / 4 DMA |
Key Differentiators
- Native 5V operation on a 16-bit 70 MIPS DSC core (vs DSPIC33EV256GM104-E/PT)
- ECC Flash reliability in harsh environments (vs DSPIC33EV64GM004T-I/PTVAO)
- Thermal headroom via drop-in upgrade path (vs DSPIC33EV64GM004T-H/PT)
Design Notes
The 44-TQFP (10x10) provides distributed VDD/VSS pairs; place a 0.1uF ceramic capacitor within 2 mm of each supply pin pair and add 4.7uF-10uF bulk capacitance per supply domain. Route MCLR, PGC, and PGC companion (PGD) traces to a standard 5-pin ICSP header for In-Circuit Serial Programming and debugging with MPLAB ICD/REAL ICE tools. Keep the 10x10 mm footprint exposed copper pour under the package as a ground flood to reduce ground bounce for the 70 MIPS core.
Supply the device from a clean 5V rail within 4.5V-5.5V; during Flash erase/write the core draws transient current spikes that a weak regulator cannot supply, causing spurious resets. Budget for a low-ESR local bulk capacitor. If the board is powered from a 24V industrial bus, use a step-down regulator with at least 100 mA headroom plus margin for 35 GPIO loads. Estimated: 35 GPIOs driving LED-equivalent loads at 8 mA each could add ~280 mA - size the regulator accordingly and never drive all pins simultaneously at maximum current without verification.
Verify temperature-grade suffixes before substitution: -I (industrial, -40C to +85C), -H (higher grade), and -E (extended) differ even though die and package are identical. The /PT T/R reel and /PTVAO flow variants are electrically equivalent but serve different procurement flows. Do not assume AEC-Q100 qualification for automotive builds without confirming with Microchip for the exact ordering code. Finally, confirm PPS (peripheral pin selection) mappings in code against the datasheet pin diagram - misassigned PWM outputs can short motor bridges at first power-up.
At 70 MIPS with fast edge rates, keep high-fanout PWM and oscillator traces short and reference them to a solid ground plane. Separate the analog ground region used by ADC sense inputs from the digital return path, rejoining at a single point near the supply. Series 22-33 ohm resistors on UART/CAN off-board lines reduce EMI and reflections on long cables in industrial cabinets.
Compliance Information
RoHS/REACH status not stated in the provided verified web data; confirm on the Microchip product page for this exact ordering code. AEC-Q100 qualification was not stated for the -I grade; Microchip markets the dsPIC33EV family for automotive use, so verify per ordering code.