DSPIC33EV64GM004T-I/P8 - 16-bit 70MIPS 64KB DSC | Microchip
MPN: DSPIC33EV64GM004T-I/P8 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.18 | $41.80 |
| 100 | $3.72 | $372.00 |
| 500 | $3.38 | $1,690.00 |
| 1,000 | $3.05 | $3,050.00 |
DSPIC33EV64GM004T-I/P8 Overview
A digital signal controller combines the compute architecture of a digital signal processor (DSP) with the peripheral set and ease of use of a microcontroller (MCU). In the power-management hierarchy, a DSC sits between a general-purpose MCU and a dedicated DSP: it executes deterministic control loops (PID, field-oriented control) while handling communication and housekeeping tasks on one chip, making it the standard choice for digitally controlled power conversion and motor drive.
Key features include a 16-bit modified Harvard architecture with DSP engine, six motor-control PWM channels, three on-chip operational amplifiers, a charge time measurement unit (CTMU) for capacitive touch and time-domain measurements, and SENT peripheral support for automotive sensor interfaces. ECC Flash protects program memory against single-bit faults, supporting functional-safety (FuSa) oriented designs.
The 5V operating range is a decisive technical advantage: it eliminates level shifting against 5V sensors and automotive transistor-transistor logic, and improves noise margins in electrically harsh environments with vibration, load-dump transients, and conducted interference. Operating temperature spans -40C to +85C for the I-grade suffix.
Typical applications include BLDC/PMSM and ACIM motor control in appliances, switch-mode power supplies and power-factor-correction stages, automotive body and sensor modules using SENT, and industrial control panels.
Design consideration: budget the 4KB RAM carefully - DMA buffers, PWM trap states, and DSP accumulations consume it quickly; the 128KB and 256KB pin-compatible family members offer RAM headroom without a footprint change.
This page synthesizes distributor data, pin-compatible drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EV64GM004T-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 DSPIC33EV64GM004T-I/P8 (same form factor and footprint) — differing in Core Architecture, Operating Temperature, Motor Control PWM Channels, Package, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV128GM004T-I/P8
✅ Drop-In✓ In Stock
$4.05 / Unit
View Datasheet →DSPIC33EV64GM004-I/P8
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.72 / Unit
View Datasheet →DSPIC33EV128GM004-E/P8
✅ Drop-In✓ In Stock
$2.86 / Unit
View Datasheet →DSPIC33EV32GM004-E/P8
✅ Drop-In✓ In Stock
$3.72 / Unit
View Datasheet →DSPIC33EV64GM004T-I/P8 Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E (modified Harvard with DSP engine) |
| Core Performance | Up to 70 MIPS |
| Maximum Clock Frequency | 60 MHz to 70 MHz (per distributor listings) |
| Flash Program Memory | 64 KB (22K x 24), ECC protected |
| SRAM | 4 KB |
| Supply Voltage Range | 4.5 V to 5.5 V (5 V nominal) |
| Operating Temperature | -40C to +85C (I grade) |
| Motor Control PWM Channels | 6 (complementary MC PWM) |
| On-chip Operational Amplifiers | 3 |
| CTMU | Yes (Charge Time Measurement Unit) |
| SENT Peripheral | Yes |
| Package | 48-TQFP (7x7 mm), P8 pinout |
| Mounting Type | Surface Mount |
| Series | dsPIC33EV (Functional Safety / FuSa capable) |
| Typical Applications Environment | Automotive, appliance, industrial (harsh environments) |
| Packaging Suffix | T = Tape and Reel |
| RoHS Status | Compliant (per distributor listings) |
DSPIC33EV64GM004T-I/P8 48-tqfp (7x7 mm), p8 pinout Pin Configuration Guide
Pin configuration for DSPIC33EV64GM004T-I/P8 (48-tqfp (7x7 mm), p8 pinout 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/P8.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV64GM004T-I/P8 is suitable for 6 applications: BLDC / PMSM Motor Control, Switch-Mode Power Supplies and PFC, Automotive Body and Sensor Modules, Home Appliance Control, Industrial Control Panels and Sensors, Capacitive Touch and Time-Measurement Interfaces.
BLDC / PMSM Motor Control
The DSPIC33EV64GM004T-I/P8 fits motor-control nodes because its six complementary motor-control PWM channels drive three-phase bridges directly, while the three on-chip op-amps amplify shunt current-sense signals without external amplifier ICs, cutting BOM cost and board area. The 70 MIPS DSP core executes field-oriented control loops with deterministic latency, and 5V I/O interfaces cleanly with gate-driver and position-sensor circuitry in appliances and industrial drives. Placed with a three-phase gate driver and current shunts, the DSC closes FOC loops at tens of kHz PWM frequencies; the main trade-off is the 4KB RAM, which constrains buffer depth for sensorless observers, so plan memory allocation carefully in sensorless designs.
Recommended
Switch-Mode Power Supplies and PFC
Digitally controlled power supplies benefit from the GM004's 70 MIPS core and dedicated PWM peripherals: complementary PWM outputs with dead-time control drive half-bridge and LLC topologies, and fast analog comparators support cycle-by-cycle current limiting. The 5V-tolerant platform withstands the electrically noisy environment near switching stages better than 3.3V controllers, and ECC Flash protects firmware integrity in long-lifetime industrial power products. In a typical LLC or boost-PFC stage, the DSC replaces analog control chips while adding programmable soft-start, adaptive dead time, and telemetry via UART/CAN; the design trade-off is firmware validation effort versus the fixed behavior of an analog controller.
Recommended
Automotive Body and Sensor Modules
Microchip explicitly targets the dsPIC33EV family at automotive modules operating in harsh, high-vibration environments, and the GM004's integrated SENT peripheral implements the SAE SENT sensor interface commonly used for throttle, pressure, and position sensing without extra protocol chips. ECC Flash supports functional-safety (FuSa) oriented development, and the 5V rail interfaces directly to automotive sensor outputs. In a body-control or sensor-conditioning node, the DSC reads SENT streams, runs diagnostic routines, and drives actuators through its PWM channels; the CTMU adds capacitive-touch or precision timing functions. Verify the AEC-Q qualification status of the exact ordering suffix for your program.
Recommended
Home Appliance Control
Appliances combine motor loads, user interfaces, and noisy mains environments - exactly the profile the 5V dsPIC33EV family was designed for. The GM004 drives compressor or fan motors via its six MC PWM channels with three on-chip op-amps for current feedback, while the CTMU enables capacitive-touch buttons and dials without dedicated touch controllers. The wide noise margin of 5V logic resists interference from relay switching and inverter stages inside the appliance. A typical board pairs the DSC with a three-phase inverter module and a user-interface segment LCD; because appliance firmware is frequently updated for new regulations, the pin-compatible 128KB variant provides upgrade headroom without a PCB respin.
Recommended
Industrial Control Panels and Sensors
Industrial panels interface to 24V signaling through optocouplers and 5V logic - the native 5V domain of the GM004 removes level-shift stages that a 3.3V MCU would need, improving both reliability and noise immunity. The 70 MIPS core handles control loops, the remappable peripheral pins let UART/SPI/PWM routes adapt to panel layout late in design, and ECC Flash ensures program memory integrity across years of continuous operation in electrically noisy cabinets. Typical designs use the DSC as a local sequencing and monitoring controller alongside PLC I/O; SENT and CTMU peripherals also serve custom industrial sensor front ends. Consider the same-footprint larger-memory parts when adding communication stacks.
Recommended
Capacitive Touch and Time-Measurement Interfaces
The integrated Charge Time Measurement Unit (CTMU) gives the GM004 a precise constant-current source and time measurement engine used for capacitive-touch keys, sliders, and ultrasonic or time-of-flight measurements, replacing discrete analog front ends. Combined with the 5V supply - which increases the touch signal dynamic range and EMI robustness - this makes the device effective for cooktops, control panels, and liquid-level sensing in harsh settings. The CTMU is driven by firmware routines in the DSP core while PWM and UART channels run the surrounding system; the design consideration is calibration: touch thresholds must account for moisture and temperature drift, and Microchip application notes provide the recommended scan algorithms.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV64GM004T-I/P8 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV128GM004T-I/P8 | DSPIC33EV128GM004-E/P8 | DSPIC33EV32GM004-E/P8 | DSPIC33EV64GM004-I/P8 |
|---|---|---|---|---|---|
| Package | 48-TQFP (7x7, P8) | 48-TQFP (7x7, P8) - same | 48-TQFP (7x7, P8) - same | 48-TQFP (7x7, P8) - same | 48-TQFP (7x7, P8) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB ECC | 128 KB ECC | 128 KB ECC | 32 KB ECC | 64 KB ECC |
| Core Performance | Up to 70 MIPS, 16-bit DSP | Up to 70 MIPS | Up to 70 MIPS | Up to 70 MIPS | Up to 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 |
| Motor Control PWM / Op-Amps | 6 MC PWM, 3 op-amps | 6 MC PWM, 3 op-amps | 6 MC PWM, 3 op-amps | 6 MC PWM, 3 op-amps | 6 MC PWM, 3 op-amps |
| Temperature Grade | -40C to +85C (I) | -40C to +85C (I) | Extended (E grade) | Extended (E grade) | -40C to +85C (I) |
| SENT / CTMU Peripherals | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes |
Key Differentiators
- ECC-protected Flash for functional-safety oriented designs (vs DSPIC33EP64MC504-E/MV)
- Integrated SENT peripheral for automotive sensor links (vs DSPIC33EV128GM004T-I/P8)
- Three on-chip op-amps reduce BOM for current sensing (vs DSPIC33EV32GM004-E/P8)
Design Notes
Decouple the 4.5V-5.5V VDD rail with at least one 0.1uF ceramic per VDD/VSS pair placed within 3 mm of the pins, plus a 4.7uF-10uF bulk capacitor near the package. The dsPIC33EV core draws dynamic current proportional to the 70 MIPS clock, so a poorly decoupled rail shows core-supply droop during simultaneous PWM transitions and DSP MAC operations, which can cause spurious resets. Route VDD as a short plane or thick trace and never daisy-chain supplies pin to pin.
On the 7x7 mm 48-TQFP, dedicate a solid ground plane on layer 2 beneath the device and keep the motor-control PWM routing (6 outputs) away from the op-amp input traces used for current sensing. Shunt-sense signals at the op-amp inputs are sub-100 mV; switching-node coupling into these nets corrupts FOC current feedback. Use kelvin-connected shunts and short guard traces, and place the three op-amp peripheral pin selections to minimize crossing PWM returns.
Budget the 4KB RAM during architecture, not after coding: DMA buffers for SENT reception, PWM trap states, and DSP X/Y data sections fill small RAM quickly. Also note the T suffix denotes tape-and-reel - the non-T DSPIC33EV64GM004-I/P8 is the same die in tube packaging; do not treat them as different devices in the BOM. Finally, confirm the exact RAM figure and clock configuration against the current datasheet, since distributor listings for related variants cite 60 MHz and 70 MIPS clocks interchangeably.
Estimated: at 70 MIPS with heavy PWM switching, core current is on the order of tens of mA; with a 5V rail the device dissipates roughly 0.15-0.3 W. The 48-TQFP theta_JA on a standard 4-layer board is typically in the 50-70 C/W range, so junction rise stays below about 20C - no heatsink needed. Inputs used: assumed 30-60 mA core + I/O current at 5V, typical TQFP-48 thermal resistance. Verify against the datasheet thermal table for your copper area.
Compliance Information
RoHS compliance and lead-free status per distributor listings (DigiKey, Mouser, PCBElectronics). REACH, halogen-free and AEC-Q100 qualification must be confirmed on Microchip's official compliance portal for this exact ordering code.
