DSPIC33EV64GM106-I/MR - 16-bit 5V 70MIPS DSC 64KB Flash | Microchip
MPN: DSPIC33EV64GM106-I/MR ✓ Active| Qty | Unit Price | Extended |
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DSPIC33EV64GM106-I/MR Overview
A digital signal controller combines the computational architecture of a digital signal processor (DSP) with the peripherals and ease of use of a microcontroller (MCU). In the power-management hierarchy, the dsPIC33EV family sits between general-purpose MCUs and dedicated motor-control ASICs, offering a programmable platform for real-time control loops in harsh electrical environments such as industrial drives, appliances, and automotive subsystems.
Key features include the 5V-tolerant dsPIC DSC core operating at 70 MIPS, ECC (error-correcting code) Flash for functional-safety (FuSa) oriented designs, and an advanced analog and timing peripheral set. The family data sheet highlights PWM modules with advanced modes, SENT peripheral support for automotive sensor interfaces, and integrated operational amplifiers, reducing external component count in motor-control and power-conversion signal chains. Peripheral Pin Select (PPS) allows remapping of digital peripherals onto RPn/RPIn pins for flexible board routing.
Architecturally, the dsPIC33EV core is optimized for deterministic real-time control, with DSP-class multiply-accumulate instructions for filtering and control algorithms. The 5V operating range is a defining differentiator, allowing direct interfacing with automotive and industrial 5V sensor rails without level shifting, and improving noise immunity in electrically harsh environments compared to 3.3V-only controllers.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) control, switch-mode power supplies and power-factor-correction converters, and automotive body or sensor-interface nodes using the SENT protocol. The on-chip op amps pair naturally with current-sense shunts in inverter designs.
A key design consideration: confirm the full 64-pin VQFN pin map against the dsPIC33EVXXXGM00X/10X family data sheet before layout, and reserve ICSP/ICD programming pins (PGECx/PGEDx) for debug access.
This page synthesizes distributor data, drop-in family alternatives, pricing tiers, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33EV64GM106-I/MR — 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 DSPIC33EV64GM106-I/MR (same form factor and footprint) — differing in Package, RAM, Peripherals, Operating Temperature, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV256GM106-I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
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View Datasheet →DSPIC33EV128GM106-I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.3 / Unit
View Datasheet →DSPIC33EV64GM106-E/MR
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$3.7 / Unit
View Datasheet →DSPIC33EV256GM106T-I/MR
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$3.72 / Unit
View Datasheet →DSPIC33EV64GM104-I/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV64GM106-I/MR Maximum Ratings & Electrical Characteristics
| Core | dsPIC33EV 16-bit DSC |
| Max CPU Speed | 70 MIPS |
| Program Memory | 64KB (22K x 24) ECC Flash |
| RAM | 8KB |
| Operating Voltage | 5 V |
| Package | 64-VQFN (9x9 mm) |
| Mounting Type | Surface Mount |
| Temperature Range | -40C to +85C (I grade) |
| Peripherals | PWM, SENT, Op Amps, Advanced Analog |
| Peripheral Pin Select | Yes (RPn/RPIn remappable) |
| Functional Safety | FuSa supported, ECC Flash |
| Target Applications | Appliances, Industrial, Automotive |
| Debug Interface | ICSP/ICD (PGECx/PGEDx) |
DSPIC33EV64GM106-I/MR 64-vqfn (9x9 mm) Pin Configuration Guide
Pin configuration for DSPIC33EV64GM106-I/MR (64-vqfn (9x9 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 DSPIC33EV64GM106-I/MR.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV64GM106-I/MR is suitable for 6 applications: BLDC / PMSM Motor Control, Switch-Mode Power Supplies and PFC, Automotive Sensor Interfaces (SENT), Home Appliances (Washer, Refrigerator, HVAC), Industrial Drives and Automation, Solar and Energy-Efficient Power Conversion.
BLDC / PMSM Motor Control
The DSPIC33EV64GM106-I/MR fits motor-control applications because its 70 MIPS 16-bit dsPIC33EV core executes field-oriented control (FOC) current loops deterministically, while its PWM modules support complementary outputs, dead-time insertion, and advanced fault handling required by three-phase inverters. On-chip operational amplifiers amplify low-level current-shunt signals directly, eliminating external amplifier stages and reducing BOM cost. The 5V operation improves dv/dt noise immunity near power-switching stages, and ECC Flash protects firmware integrity in electrically noisy environments. In a typical topology, the DSC reads phase currents through its ADC and op amps, runs the FOC algorithm, and drives gate drivers via the MCPWM outputs; the quantified benefit is single-chip control with peripheral-level latency instead of multi-chip signal chains.
Recommended
Switch-Mode Power Supplies and PFC
The DSPIC33EV64GM106-I/MR suits digitally controlled switch-mode power supplies, LLC converters, and power-factor-correction stages because its 70 MIPS core closes voltage and current loops with cycle-by-cycle PWM updates, and its high-resolution PWM supports the precise duty and phase control these topologies require. The on-chip op amps condition current-transformer or shunt feedback, and the 5V I/O directly interfaces standard optocoupler and gate-driver thresholds. Digital control replaces analog compensation networks, allowing firmware-tuned loop dynamics; the trade-off versus a pure analog controller is firmware development effort, offset by the flexibility to retune the converter without hardware changes. ECC Flash ensures control code integrity over lifetime in industrial power environments.
Recommended
Automotive Sensor Interfaces (SENT)
The DSPIC33EV64GM106-I/MR is appropriate for automotive sensor-interface nodes because the dsPIC33EV family integrates a SENT (Single Edge Nibble Transmission) peripheral as highlighted in Microchip's family title - 'Digital Signal Controllers with PWM, SENT, Op Amps and Advanced Analog Features'. SENT is the SAE-standard link used by modern throttle-position, pressure, and level sensors. The 5V I/O directly connects to 5V automotive sensor rails without level shifters, and ECC Flash plus FuSa support addresses functional-safety workflows. In such a node, the DSC decodes incoming SENT nibbles, applies calibration, and communicates results over LIN/CAN via remappable peripherals; the quantified benefit is hardware-level SENT decoding with no CPU-intensive bit-banging.
Recommended
Home Appliances (Washer, Refrigerator, HVAC)
Microchip explicitly targets the dsPIC33EV family at appliances, making the DSPIC33EV64GM106-I/MR a strong fit for washing-machine drives, refrigerator compressors, and HVAC blower control. The 70 MIPS core handles sensorless BLDC commutation, the PWM outputs drive the inverter IPM, and the on-chip op amps read motor phase currents. The 5V-rated I/O withstands the electrically noisy environment of relay-switched, motor-driven appliances better than 3.3V controllers, and the industrial -40C to +85C temperature grade covers unconditioned appliance interiors. The 64-pin VQFN provides enough remappable (PPS) I/O for user interfaces, door locks, and communication peripherals in a single controller, consolidating what would otherwise need multiple chips.
Recommended
Industrial Drives and Automation
The DSPIC33EV64GM106-I/MR fits industrial drives, robotics servos, and factory automation nodes where deterministic real-time control and harsh electrical immunity matter. Its 70 MIPS dsPIC33EV core runs position, velocity, and current cascaded loops with predictable timing; PWM modules with fault inputs provide safe shutdown on overcurrent events; and the Peripheral Pin Select feature routes UART, SPI, and other peripherals to optimal board locations for fieldbus connectivity. Industrial 24V systems can supervise the 5V rail with standard supervisory circuits, and ECC Flash sustains firmware integrity through years of continuous operation. The -40C to +85C industrial temperature grade covers control-cabinet and factory-floor environments without derating the 70 MIPS operating point.
Recommended
Solar and Energy-Efficient Power Conversion
Microchip positions the dsPIC33EV family for energy-efficient applications such as solar inverters and battery-charging stages, and the DSPIC33EV64GM106-I/MR delivers the needed control resources: high-resolution PWM for MPPT converter stages, on-chip op amps plus ADC for current and voltage feedback, and 70 MIPS of headroom for MPPT algorithms running alongside protection routines. The 5V core tolerates the switching transients typical of photovoltaic power stages, and ECC Flash guards control firmware against bit flips in high-temperature outdoor enclosures. Using one DSC for both MPPT and inverter control reduces system cost; the design consideration is allocating CPU cycles between control loops and communication, which the 64KB Flash and 8KB RAM support for compact, well-structured firmware.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV64GM106-I/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV256GM106-I/MR | DSPIC33EV128GM106-I/MR | DSPIC33EV64GM106-E/MR | DSPIC33EV256GM106T-I/MR | DSPIC33EV64GM104-I/MR |
|---|---|---|---|---|---|---|
| Package | 64-VQFN (9x9 mm) | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (ECC Flash) | 64KB (22K x 24) | 256KB | 128KB | 64KB | 256KB | 64KB |
| RAM | 8KB | 8KB | 8KB | 8KB | 8KB | 8KB |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Voltage | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Temperature Range | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| Peripheral Set (PWM/SENT/Op Amps) | Full GM106 set | Full GM106 set | Full GM106 set | Full GM106 set | Full GM106 set | Reduced GM104 subset - verify PPS table |
Key Differentiators
- 5V core operation (vs Typical 3.3V motor-control MCUs)
- ECC Flash for functional safety (vs DSPIC33EP64MC504-E/MV (earlier EP family))
- Memory scalability without PCB change (vs DSPIC33EV256GM106-I/MR)
Design Notes
For the 64-VQFN 9x9 mm package, create the land pattern per the dsPIC33EV family data sheet (DS70005144H) mechanical drawing and the exposed center pad for ground. Connect the exposed thermal/ground pad to a solid ground plane with an array of vias to improve ground integrity and heat spreading. The MR suffix is the VQFN option in this family - do not mix footprints with the PT (TQFP) variants, which are not footprint-compatible.
Reserve at least one PGECx/PGEDx pair for ICSP/ICD programming and debug. Because Peripheral Pin Select (PPS) can remap many peripherals onto RPn/RPIn pins, it is easy to accidentally lock out the debug pins in the configuration-word mapping - verify the PPS assignments against Section 11.5 of the family data sheet before releasing the layout. Also confirm that 5V I/O levels match every connected peripheral; 3.3V-only devices require level shifting.
As a 5V DSC driving PWM outputs into gate-driver inputs, supply ripple and bounce directly affect output timing. Decouple each VDD pin with 100 nF ceramic capacitors placed within 2 mm of the pin, plus bulk capacitance (4.7 uF to 10 uF) near the device. In motor-control layouts, keep analog grounds (op-amp/ADC references) star-connected to avoid PWM return currents corrupting ADC readings.
Compliance Information
Compliance statuses were not stated in the provided web data; verify against the Microchip product page environmental data before export documentation.
