DSPIC33EV64GM004-I/P8 - 16-bit 5V DSC, 64KB Flash | Microchip
MPN: DSPIC33EV64GM004-I/P8 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.62 | $5.62 |
| 10 | $5.05 | $50.50 |
| 100 | $4.52 | $452.00 |
| 500 | $4.1 | $2,050.00 |
| 1,000 | $3.72 | $3,720.00 |
DSPIC33EV64GM004-I/P8 Overview
A digital signal controller combines the compute characteristics of a digital signal processor (DSP) with the peripheral integration and control-oriented architecture of a microcontroller (MCU). In the system hierarchy, the dsPIC33EV sits within the broader 16-bit MCU and DSC category of embedded processors, targeting real-time control loops where math-intensive algorithms (PID, transforms, filtering) must execute deterministically. The 5V-native core distinguishes it from most 3.3V MCUs, allowing direct interfacing with automotive and industrial sensors and actuators without level shifting.
Key features include 64KB (22K x 24) of ECC-protected Flash program memory for functional-safety designs, a 16-bit pipeline core at up to 70 MIPS, six motor-control PWM channels for three-phase inverter drives, and three on-chip operational amplifiers that condition current-shunt signals without external op-amps. The CTMU (Charge Time Measurement Unit) supports capacitive touch and precise time measurement, while a SENT peripheral complies with the automotive SAE J2716 sensor interface.
Architecturally, the dsPIC33EV GM family implements a modified Harvard bus with DSP multiply-accumulate (MAC) instructions, two 40-bit accumulators, and hardware division support. ECC Flash mitigates single-bit faults from noise and radiation in harsh 5V electrical environments, which is why the family is positioned by Microchip for functional-safety (FuSa) motor-control and automotive sensing units.
Typical applications include automotive sensors and touch-control units, appliance motor drives (fans, pumps, compressors), and industrial control operating in noisy, high-vibration environments where 5V noise immunity is decisive.
A key design consideration: all VDD and VSS pins must be connected, and ICSP programming must use a matched PGECx/PGEDx pin pair (for example, PGEC2 with PGED2); mismatched pairs are a common bring-up failure. At 5V operation, derate the maximum clock speed per the datasheet voltage-frequency curve.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EV64GM004-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 DSPIC33EV64GM004-I/P8 (same form factor and footprint) — differing in Core Architecture, RoHS Status, Functional Safety Support, Operating Temperature, Motor Control PWM Channels.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
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-E/P8
✅ Drop-In✓ In Stock
$3.72 / Unit
View Datasheet →DSPIC33EV256GM004-I/P8
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.41 / Unit
View Datasheet →DSPIC33EV64GM004-E/P8
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.05 / Unit
View Datasheet →DSPIC33EV32GM004-I/P8
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.48 / Unit
View Datasheet →DSPIC33EV64GM004-I/P8 Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E DSC core |
| Core Speed | 70 MIPS (60 MHz per Mouser listing) |
| Operating Voltage | 5 V |
| Program Memory (Flash) | 64 KB (22K x 24), ECC-protected |
| Data RAM | 4 KB |
| Motor Control PWM Channels | 6 MC PWM |
| On-chip Operational Amplifiers | 3 |
| CTMU | Yes (Charge Time Measurement Unit) |
| SENT Peripheral | Yes (SAE J2716 sensor interface) |
| Functional Safety Support | Yes (FuSa, per DigiKey listing) |
| Package | 48-TQFP (7x7 mm) |
| Mounting Type | Surface Mount |
| Temperature Grade | -40C to +85C (I grade) |
| Programming Interface | ICSP via matched PGECx/PGEDx pin pairs |
| Typical Applications | Appliances, industrial, automotive |
| Product Family | dsPIC33EV GM |
DSPIC33EV64GM004-I/P8 48-tqfp (7x7 mm) Pin Configuration Guide
Pin configuration for DSPIC33EV64GM004-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 DSPIC33EV64GM004-I/P8.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV64GM004-I/P8 is suitable for 6 applications: Appliance Motor Drives, Automotive Sensor and Touch-Control Units, Industrial Control in Harsh Environments, Digital Power Supplies and Lighting, Capacitive Touch Interfaces, Sensor Signal Acquisition Nodes.
Appliance Motor Drives
The DSPIC33EV64GM004-I/P8 fits appliance motor control - fans, pumps, compressors, and washing-machine drives - because it combines 6 motor-control PWM channels for three-phase inverter bridges with 3 on-chip op-amps that amplify low-side current-shunt signals internally. The DSP multiply-accumulate core executes field-oriented control (FOC) loops deterministically at 70 MIPS, while ECC Flash protects firmware integrity in the electrically noisy 5V environment inside major appliances. In a typical design, the MCU sits between the user-interface section and the gate-driver stage, generating complementary PWM pairs with hardware dead-time, sampling phase currents through the internal op-amps, and closing the current loop in software. Because the core is 5V-native, Hall sensors and position elements connect directly without level shifters, improving noise margin against compressor and relay switching transients.
Recommended
Automotive Sensor and Touch-Control Units
Microchip positions the dsPIC33EV family for automotive sensors and touch-control units that must survive noise and vibration, and the DSPIC33EV64GM004-I/P8 adds the dedicated SENT peripheral implementing the SAE J2716 sensor interface used throughout modern vehicle networks. The CTMU (Charge Time Measurement Unit) provides capacitive touch detection and precise time-of-flight style measurements for capacitive fuel-level or proximity sensing. The 5V-native core connects directly to automotive-rail sensors without level translation, and the ECC-protected 64KB Flash supports functional-safety (FuSa) development flows required for safety-relevant body and powertrain modules. In a typical application, the DSC reads a SENT-encoded sensor stream, performs diagnostic checks, drives H-bridge loads via the MC PWM outputs, and reports status on a CAN-capable peripheral set, all within the -40C to +85C industrial grade envelope.
Recommended
Industrial Control in Harsh Environments
In factory environments with high electrical noise, vibration, and wide temperature swings, the DSPIC33EV64GM004-I/P8's 5V noise immunity and ECC Flash distinguish it from 3.3V MCUs that require careful level-shifting and external protection. Typical roles include conveyor and pump control, PTC heater management, and closed-loop actuator positioning. The 70 MIPS DSP core runs PID and filter algorithms with hardware MAC operations, while the 6 MC PWM channels directly drive gate drivers for small three-phase or brushed-DC stages. On-chip op-amps condition resistive current shunts, cutting BOM cost and PCB area. Designers should follow Microchip's family layout guidance: connect all VDD/VSS pairs, decouple each pin locally, and route PWM away from analog sense lines to keep op-amp inputs clean at 5V full-scale.
Recommended
Digital Power Supplies and Lighting
The DSPIC33EV64GM004-I/P8 serves digital power conversion - PFC stages, LLC resonant converters, and high-brightness LED drivers - where fast control loops must execute at fixed intervals. The 70 MIPS core with DSP MAC instructions computes compensation algorithms at switching frequencies well into the tens of kilohertz, while the motor-control PWM module provides complementary outputs with programmable dead time, essential for half-bridge topologies. The CTMU can assist with precise timing measurements for zero-crossing or current-slope sensing. Because the part is 5V-native, it interfaces cleanly with gate-driver logic thresholds common in industrial power boards, reducing component count versus 3.3V controllers that need translation. ECC Flash protects control firmware from single-bit upsets in high dv/dt environments, an important reliability consideration in switching power stages.
Recommended
Capacitive Touch Interfaces
Using the CTMU (Charge Time Measurement Unit), the DSPIC33EV64GM004-I/P8 implements robust capacitive touch buttons, sliders, and proximity sensing in appliances and automotive control panels. The CTMU charges the touch pad with a controlled constant current and measures the charge time; finger proximity increases capacitance and lengthens the measured interval. Because the measurement is ratiometric against an internal reference, the technique tolerates supply variation common in 5V appliance environments. The DSC runs Microchip touch-sensing algorithms on the 70 MIPS core while simultaneously handling PWM loads, so one chip can replace a separate touch controller plus a motor MCU in cooktop, washing-machine, or HVAC user interfaces. The 64KB ECC Flash provides room for self-tuning touch firmware and safety diagnostics, and the 48-TQFP exposes enough I/O for dozens of keys plus indicators.
Recommended
Sensor Signal Acquisition Nodes
The DSPIC33EV64GM004-I/P8 works well as an intelligent sensor node that conditions, processes, and communicates measurements in industrial and automotive systems. The three on-chip operational amplifiers amplify low-level signals from pressure bridges, current shunts, or thermocouple front-ends, while the internal high-resolution ADC captures them for DSP filtering on the 70 MIPS core. The SENT peripheral outputs results in the SAE J2716 format consumed by automotive ECUs, and the CTMU supports resistive or capacitive measurement of external elements. Running all of this from a 5V rail simplifies integration with sensors and actuators already referenced to industrial 5V supplies. The ECC Flash and functional-safety positioning support nodes where undetected memory corruption would be unacceptable, such as safety-relevant level or position measurement in appliances and vehicles.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV64GM004-I/P8 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV128GM004T-I/P8 | DSPIC33EV32GM004-E/P8 | DSPIC33EV256GM004-I/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 |
| Program Memory (Flash) | 64 KB (22K x 24) ECC | 128 KB ECC | 32 KB ECC | 256 KB ECC |
| Core Speed | 70 MIPS (60 MHz listed) | 70 MIPS (60 MHz listed) | 70 MIPS (60 MHz listed) | 70 MIPS (60 MHz listed) |
| Operating Voltage | 5 V | 5 V | 5 V | 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 |
| Temperature Grade | -40C to +85C (I) | -40C to +85C (I) | Extended (-E) | -40C to +85C (I) |
Key Differentiators
- 5V-native core eliminates level shifting (vs 3.3V general-purpose MCUs)
- Integrated analog signal chain for motor control (vs DSPIC33EV32GM004-E/P8 (same analog, lower cost))
- Memory-scalable drop-in family (vs DSPIC33EV128GM004T-I/P8)
Design Notes
Per Microchip family documentation, ICSP programming on the dsPIC33EV64GM004 requires a matched PGECx/PGEDx pair: if PGEC2 carries ICSPCLK, ICSPDAT must go to PGED2 - mixing pairs from different indices will fail programming. Additionally, ALL VDD and VSS pins must be connected during programming and operation; leaving even one supply pair unconnected is a documented cause of failed or unreliable programming. Reserve programming-header access to at least one full PGEC/PGED pair on production boards.
The dsPIC33EV is a 5V-native core, but core speed derates with supply voltage per the datasheet voltage-frequency curve - confirm that your regulated 5V rail tolerance supports the target 60-70 MHz operating point across temperature. Decouple every VDD pin with a 100 nF ceramic placed within 2 mm of the pin, plus bulk capacitance near the package. In motor-drive boards, isolate the DSC 5V rail from gate-driver supply transients with an LC filter to keep ADC and op-amp references clean.
Keep the analog domain (op-amp inputs, ADC reference) physically separated from MC PWM switching traces. Route current-shunt sense lines as Kelvin connections directly to the op-amp input pins, since the internal amplifiers operate at millivolt-level shunt signals. Use a solid ground plane under the 48-TQFP and avoid crossing PWM or gate-driver return currents beneath the analog section. For the CTMU touch pads, follow Microchip's touch-sensing layout guidance: keep pads away from switching nodes and guard with ground.
Compliance Information
Compliance status not stated in the provided verified web data. The dsPIC33EV family is marketed by Microchip for automotive and industrial applications, but formal AEC-Q100 qualification of this exact ordering code must be confirmed with Microchip product documentation.
