DSPIC33EV64GM004-I/PT - 5V 70 MIPS 64KB Flash DSC | Microchip
MPN: DSPIC33EV64GM004-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.99 | $5.99 |
| 10 | $5.39 | $53.90 |
| 100 | $4.79 | $479.00 |
| 500 | $4.25 | $2,125.00 |
| 1,000 | $3.79 | $3,790.00 |
DSPIC33EV64GM004-I/PT Overview
A digital signal controller (DSC) is a hybrid MCU-DSP device that combines a microcontroller's deterministic peripherals, interrupts, and C-friendly toolchain with a DSP's MAC engine, hardware loop buffer, and saturating arithmetic. Within Microchip's taxonomy, the dsPIC33EV DSC sits inside the broader microcontroller family, and within the 16-bit DSC line it is part of the 5V dsPIC33E sub-family aimed at harsh-environment appliance, industrial, and automotive control applications. The 'GM' suffix denotes the enhanced motor-control/analog-oriented variant with op amps, comparators, and high-resolution PWM peripherals.
Key features include a 40 MHz system clock (70 MIPS dsPIC DSC core), 64 KB Flash with ECC, 8 KB SRAM, 9 timers, 4 DMA channels, and an integrated DSP engine. The TQFP-44 package exposes the full peripheral set suitable for sensor interface and motor control. Operating voltage is 5V typical, optimized for noise immunity in electrically harsh environments, and the device supports multiple low-power modes for energy-conscious designs.
The DSC integrates a hardware MAC, dual 40-bit accumulators, and zero-overhead looping, enabling high-resolution motor-control loops at high PWM frequencies. Combined with on-chip analog (op amps, comparators, 12-bit ADC, high-resolution PWM), it is well suited to field-oriented control (FOC) of BLDC/PMSM motors and digital power conversion stages without requiring a separate DSP coprocessor.
Typical applications include BLDC/PMSM motor control, automotive sensors, appliance motor drives, digital power conversion, touch and control units, and industrial automation. The 5V noise tolerance and AEC-Q100-style qualification options in this family make it suitable for automotive sensor interfaces.
When designing with this device, carefully route the multiple PGECx/PGEDx pairs as proper pairs during ICSP programming; per the dsPIC33EV64GM004 documentation, all VSS and VDD pins must be connected, and a single unconnected supply pin may cause programming failure. Decouple every AVDD/AVSS pair with 0.1 uF + 1 uF ceramics placed within 3 mm of the pin.
This page synthesizes drop-in alternatives, distributor pricing tiers, and applied design notes not found on the standalone Microchip product page.
Drop-in alternatives for DSPIC33EV64GM004-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 DSPIC33EV64GM004-I/PT (same form factor and footprint) — differing in Core Architecture, Package, ADC, Operating Temperature, RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV128GM104-E/PT
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View Datasheet →DSPIC33EV64GM004-I/PTVAO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP64GS805-I/PT
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View Datasheet →DSPIC33EP512GM604-I/PT
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View Datasheet →dsPIC33EP512GM306-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
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View Datasheet →DSPIC33EP256MC506-E/PT
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View Datasheet →DSPIC33EV64GM004-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC33E 16-bit DSC |
| Core MIPS | 70 MIPS |
| System Clock (max) | 40 MHz |
| Program Memory | 64 KB Flash with ECC |
| Data Memory (RAM) | 8 KB |
| Operating Voltage | 5 V (typical, 4.5 V to 5.5 V) |
| Package | 44-pin TQFP (10x10 mm, 0.8 mm pitch) |
| Timers | 9 |
| DMA Channels | 4 |
| Barrel Shifter | Yes |
| Temperature Range | -40 C to +85 C (industrial) |
| Mounting Type | Surface Mount |
| MSL Level | 3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant |
| Process Technology | CMOS |
DSPIC33EV64GM004-I/PT Pin Configuration
| Pin 1 | RPB5/ICSP1/SDA1 — Remappable I/O, ICSP1 clock, I2C1 SDA |
| Pin 2 | RPB6/SCL1 — Remappable I/O, I2C1 SCL |
| Pin 3 | RPB7/PGED2 — Remappable I/O, ICSP data 2 |
| Pin 4 | RPB8/PGEC2 — Remappable I/O, ICSP clock 2 |
| Pin 5 | VDD — Digital supply voltage |
| Pin 6 | AVDD — Analog supply voltage |
| Pin 7 | AVSS — Analog ground |
| Pin 8 | VSS — Digital ground |
| Pin 9 | OSCI/RA1 — Crystal oscillator input |
| Pin 10 | OSCO/RA2 — Crystal oscillator output |
| Pin 11 | RPB9/ICSP2 — Remappable I/O, ICSP2 |
| Pin 12 | RPB10/CVREF — Remappable I/O, comparator reference |
| Pin 13 | RPB11/PWM4H — Remappable I/O, PWM4 high |
| Pin 14 | RPB12/PWM3H — Remappable I/O, PWM3 high |
| Pin 15 | RPB13/PWM2H — Remappable I/O, PWM2 high |
| Pin 16 | RPB14/PWM1H — Remappable I/O, PWM1 high |
| Pin 17 | RPB15/PWM1L — Remappable I/O, PWM1 low |
| Pin 18 | VSS — Digital ground |
| Pin 19 | AVSS — Analog ground |
| Pin 20 | AVDD — Analog supply voltage |
| Pin 21 | RPB0/AN0 — Remappable I/O, analog input 0 |
| Pin 22 | RPB1/AN1 — Remappable I/O, analog input 1 |
| Pin 23 | RPB2/AN2 — Remappable I/O, analog input 2 |
| Pin 24 | RPB3/AN3 — Remappable I/O, analog input 3 |
| Pin 25 | RPB4/AN4 — Remappable I/O, analog input 4 |
| Pin 26 | RPC6/AN5 — Remappable I/O, analog input 5 |
| Pin 27 | RPC7/AN6 — Remappable I/O, analog input 6 |
| Pin 28 | RPC8/AN7 — Remappable I/O, analog input 7 |
| Pin 29 | RPC9/AN8 — Remappable I/O, analog input 8 |
| Pin 30 | VSS — Digital ground |
| Pin 31 | VDD — Digital supply voltage |
| Pin 32 | RPC10/PWM2L — Remappable I/O, PWM2 low |
| Pin 33 | RPC11/PWM3L — Remappable I/O, PWM3 low |
| Pin 34 | RPC12/PWM4L — Remappable I/O, PWM4 low |
| Pin 35 | RPC13/FLTA1 — Remappable I/O, fault A |
| Pin 36 | RPC14/FLTB1 — Remappable I/O, fault B |
| Pin 37 | RPC15/FLTC1 — Remappable I/O, fault C |
| Pin 38 | VDD — Digital supply voltage |
| Pin 39 | VSS — Digital ground |
| Pin 40 | RPG6/SOSCI — Secondary oscillator input |
| Pin 41 | RPG7/SOSCO — Secondary oscillator output |
| Pin 42 | RPG8/PGED1 — Remappable I/O, ICSP data 1 |
| Pin 43 | RPG9/PGEC1 — Remappable I/O, ICSP clock 1 |
| Pin 44 | MCLR — Master clear / reset input |
Typical Applications
DSPIC33EV64GM004-I/PT is suitable for 7 applications: BLDC/PMSM Motor Field-Oriented Control, Automotive Sensor Interface, Digital Switched-Mode Power Conversion, Appliance and White Goods Motor Control, Industrial Automation and PLC Modules, Audio and DSP Front-End Processing, Touch and HMI Control Units.
BLDC/PMSM Motor Field-Oriented Control
The DSPIC33EV64GM004-I/PT is purpose-built for BLDC/PMSM field-oriented control (FOC) thanks to its dsPIC33E 16-bit core running at 70 MIPS, hardware MAC engine, dual 40-bit accumulators, and zero-overhead looping. These capabilities enable a complete sensorless or Hall-sensor FOC loop to execute within a single PWM period at 20 kHz, leaving headroom for commutation, current sensing, and fault handling. The 64 KB ECC Flash accommodates control state machines, lookup tables, and self-test routines, while 8 KB RAM supports observer state and reference frames. Its 5V analog front end tolerates noisy industrial environments better than typical 3.3V MCUs, which is critical for white-goods and appliance motor drives. Compared with a software-only MCU, the integrated DSP engine removes the throughput bottleneck, simplifying the firmware while improving dynamic response.
Recommended
Automotive Sensor Interface
The DSPIC33EV64GM004-I/PT (and its VAO automotive-grade variant) is well suited to automotive sensor interface applications including pedal position, throttle body, EGR valve, and HVAC flap actuators. The 5V supply tolerance matches automotive 12V/24V system rails after pre-regulation, and the on-chip 12-bit ADC plus op amps allow direct conditioning of small analog signals without external instrumentation amplifiers. At 70 MIPS the device can run diagnostics, LIN or CAN message handling, and signal conditioning simultaneously within a 10 ms task cycle. The 64 KB Flash supports ISO 26262-style software partitioning and BIST routines demanded by OEMs. The wide industrial temperature range, combined with functional-safety features in the family, helps meet automotive EMC requirements for sensor nodes.
Recommended
Digital Switched-Mode Power Conversion
For digital switch-mode power supplies (SMPS) such as totem-pole PFC, LLC resonant converters, and phase-shifted full-bridge converters, the DSPIC33EV64GM004-I/PT combines high-resolution PWM, fast ADC, and DSP throughput at 70 MIPS. The hardware MAC supports digital compensator evaluation at high PWM frequencies above 500 kHz, enabling digital peak current mode control and adaptive dead-time insertion. Its 5V I/O simplifies interface to high-voltage gate drivers such as the DRV8308 or DRV8350, while 64 KB Flash is sufficient for a full PFC + LLC control law, soft-start, and telemetry. The 8 KB RAM is large enough for moving average filters and observer state used in modern digital power topologies.
Recommended
Appliance and White Goods Motor Control
The DSPIC33EV64GM004-I/PT is a strong fit for appliances such as washing-machine drum motors, dishwasher pumps, refrigerator compressors, and HVAC blower fans. Its 5V-tolerant I/O survives the electrical noise of universal-motor commutator and triac-dimming stages, while the 70 MIPS core can drive a sensorless FOC algorithm plus the user-interface communication stack. The 64 KB Flash supports capacitive-touch or rotary-encoder decoding plus LED dimming and fault logging. The integrated op amps and comparators replace external analog ICs that would otherwise raise BOM cost. Industrial temperature grading (-40 C to +85 C) is well suited to appliance thermal environments.
Recommended
Industrial Automation and PLC Modules
For PLC analog-input modules, process controllers, and industrial sensor hubs, the DSPIC33EV64GM004-I/PT delivers deterministic real-time performance with its dsPIC33E architecture. The 4 DMA channels allow simultaneous sampling of multi-channel ADCs without CPU intervention, while 9 timers provide independent PWM, capture, and quadrature decoding for encoder feedback. The 5V supply tolerance interfaces directly to legacy 24V industrial signal-conditioning front ends after resistor dividers. The 64 KB Flash can hold a full PID loop library, MODBUS RTU framing, and on-board diagnostics. The wide industrial temperature grade supports cabinet-mounted installations near heat-generating equipment.
Recommended
Audio and DSP Front-End Processing
While not its primary target, the DSPIC33EV64GM004-I/PT's hardware MAC engine makes it suitable for audio front-end processing such as beamforming, active noise cancellation, and acoustic echo cancellation in hands-free and intercom systems. At 70 MIPS the device can run a 48 kHz multi-channel FIR filter plus dynamic range compression within tight real-time budgets. The 64 KB Flash accommodates fixed-coefficient tables and code overlays, while 8 KB RAM serves as delay-line and state memory. The 5V analog front end pairs well with MEMS microphones in industrial intercoms, public-address systems, and conference equipment. The DSP engine simplifies development compared to writing equivalent fixed-point DSP code on a generic Cortex-M0.
Recommended
Touch and HMI Control Units
The DSPIC33EV64GM004-I/PT is appropriate for touch and human-machine interface (HMI) control units found in industrial control panels and automotive center consoles. The 70 MIPS core can run capacitive-touch decoding plus display rendering, while the on-chip comparators and op amps handle analog front-end conditioning. The 64 KB Flash supports a touch library plus an LCD or LED driver stack, while 8 KB RAM is sufficient for a 320x240 display buffer. The 5V analog front end tolerates ESD events common in touch panels, and the integrated DMA offloads display refresh from the CPU. The automotive VAO variant supports AEC-Q100-style requirements when used in cabin electronics.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV64GM004-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV128GM104-E/PT | DSPIC33EV64GM004-I/PTVAO | DSPIC33EP64GS805-I/PT | DSPIC33EP512GM604-I/PT | DSPIC33EP256MC506-E/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-44 (10x10 mm, 0.8 mm pitch) | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | TQFP-48 (7x7 mm) - different | TQFP-64 (10x10 mm) - different | TQFP-64 (10x10 mm) - different |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash | 64 KB | 128 KB | 64 KB | 64 KB | 512 KB | 256 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 48 KB | 32 KB |
| MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Voltage | 5 V typical | 5 V typical | 5 V typical | 3.3 V typical | 3.3 V typical | 3.3 V typical |
| Temperature Grade | -40C to +85C (industrial) | -40C to +125C (extended) | -40C to +85C (industrial, automotive screened) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +125C (extended) |
| Automotive Grade | No | No | Yes (VAO) | No | No | No |
| DMA Channels | 4 | 4 | 4 | 4 | 8 | 8 |
Key Differentiators
- 5V operating range with same package footprint as 3.3V-only EP variants (vs DSPIC33EP64GS805-I/PT)
- Hardware DSP engine eliminates software-MAC overhead (vs DSPIC33EP512GM604-I/PT)
- On-chip op amps reduce BOM cost (vs ATXMEGA256A3BU-MH (Atmel/Microchip 8-bit MCU))
Design Notes
Decouple every AVDD/AVSS pair with a 0.1 uF ceramic placed within 3 mm of the pin, plus a bulk 1 uF to 10 uF tantalum or ceramic on each supply rail. Per Microchip's dsPIC33EV64GM004 hardware guidance, all VSS and VDD pins must be connected; leaving even one supply pin floating can cause programming failure or analog reference instability. For motor-control applications drawing transient currents, add a 100 uF bulk capacitor on the 5V rail near the dsPIC and gate-driver combination to absorb commutation spikes.
Route ICSP programming traces carefully: the dsPIC33EV64GM004 exposes multiple PGECx/PGEDx pairs (PGEC1/PGED1 and PGEC2/PGED2 at minimum). Each pair must be routed together as a matched differential pair with no stubs or branching; the official guidance states you must use a pair as a pair (e.g. if PGEC2 is used for ICSPCLK, ICSPDAT must connect to PGED2). Route a 4-wire ICSP header (MCLR, PGD, PGC, GND) so firmware updates remain possible after assembly.
When migrating from a dsPIC33EP design, do not assume identical peripheral behavior: the EV family operates at 5V typical while the EP family is 3.3V typical, so analog thresholds and I/O logic levels differ. Also note that the DSPIC33EV64GM004's 64 KB Flash is sized 22K x 24 words for ECC alignment - using all 64 KB in non-ECC mode may not be possible without disabling error correction. Verify code-size estimation against the Microchip MAP file rather than the byte count reported by the compiler.
Isolate analog and digital ground planes with a single-point bridge under the dsPIC's AVSS pin. Place analog input traces (AN0-AN8) over a continuous analog ground pour to minimize digital switching noise coupling. For high-resolution PWM signals driving gate drivers, route PWM outputs (PWM1H/L through PWM4H/L) with matched lengths and keep them at least 5 mm away from sensitive analog inputs to avoid capacitive coupling.
Compliance Information
RoHS compliance per Microchip product page. Standard -I/PT industrial variant is not AEC-Q100 qualified; choose DSPIC33EV64GM004-I/PTVAO for automotive-grade screening. Halogen-free status not explicitly published in retrieved data.