DSPIC33EV64GM106-I/PT - 64KB Flash 16-bit DSC, 64-TQFP | Microchip
MPN: DSPIC33EV64GM106-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.05 | $5.05 |
| 10 | $4.55 | $45.50 |
| 100 | $4.05 | $405.00 |
| 500 | $3.65 | $1,825.00 |
| 1,000 | $3.3 | $3,300.00 |
DSPIC33EV64GM106-I/PT Overview
A Digital Signal Controller (DSC) is a hybrid architecture that merges the deterministic interrupt response and peripheral set of a microcontroller with the multiply-accumulate (MAC) throughput of a DSP. Within the broader semiconductor taxonomy, the dsPIC33EV belongs to: DSC -> microcontroller -> embedded processor -> semiconductor IC. The 5V core voltage and extended peripherals (CAN, SENT, op amps) position this family between low-voltage ARM Cortex-M4 MCUs and traditional DSPs, enabling direct interfacing with 5V sensors and 12V automotive buses without level shifters.
Key differentiating features include 70 MIPS execution from a 5V supply, dual 12-bit ADC modules with up to 32 input channels, three op amps configurable for signal conditioning, three analog comparators, three 16-bit timers, and a 4-channel DMA controller. Communication peripherals include 2x CAN, 2x I2C, 3x SPI, 4x UART, and SENT (Single Edge Nibble Transmission) support for automotive sensor interfacing.
The architecture uses a modified Harvard design with separate program and data paths, single-cycle MAC and barrel shifting, and zero-overhead looping. ECC on Flash improves reliability in electrically noisy environments, and the wide operating temperature range (-40C to +85C for the I-grade variant) supports industrial and automotive deployments.
Typical applications include BLDC/PMSM motor control (field-oriented control up to several kW), automotive sensor interfacing via SENT, switched-mode power supply digital control, LED lighting drivers, and industrial automation nodes requiring on-chip op amps for current sensing.
When designing with this device, allocate careful PCB layout for the analog and power sections: keep the AVDD/VREF traces short, decouple the 5V supply with a 10uF bulk plus 0.1uF ceramic on every VDD/AVDD pair, and avoid routing PWM traces near the analog op-amp inputs. Always reserve two I/O for ICSP programming (PGEDx/PGECx).
This page synthesizes distributor pricing, parameter comparison tables, and practical design notes that are not found in the manufacturer datasheet alone, helping engineers select and qualify the DSPIC33EV64GM106-I/PT with confidence.
Drop-in alternatives for DSPIC33EV64GM106-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 DSPIC33EV64GM106-I/PT (same form factor and footprint) — differing in Package, ADC, Core Architecture, Program Memory (Flash), Maximum CPU Speed.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV128GM106-I/PT
✅ Drop-In✓ In Stock
$3.42 / Unit
View Datasheet →DSPIC33EV256GM106-I/PT
✅ Drop-In✓ In Stock
$4.17 / Unit
View Datasheet →DSPIC33EV64GM106-E/PTVAO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV128GM104-E/PT
✅ Drop-In✓ In Stock
$4.6 / Unit
View Datasheet →DSPIC33EV64GM004-I/PT
✅ Drop-In✓ In Stock
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View Datasheet →DSPIC33EV64GM106-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC33 DSC, 16-bit modified Harvard |
| Core Voltage | 5 V |
| Maximum CPU Speed | 70 MIPS (40 MHz core clock) |
| Program Flash | 64 KB with ECC |
| Data RAM | 8 KB |
| DMA Channels | 4 |
| 16-bit Timers | 7 |
| ADC | 12-bit, dual module, up to 32 input channels |
| On-chip Operational Amplifiers | 3 |
| Analog Comparators | 3 |
| CAN Modules | 2 |
| UART | 4 |
| SPI | 3 |
| I2C | 2 |
| SENT Interface | Yes |
| Peripheral Pin Select (PPS) | Yes |
| Operating Temperature Range | -40C to +85C (I-grade) |
| Package | 64-pin TQFP (10x10 mm, 0.5 mm pitch) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| AEC-Q100 | not_applicable (I-grade; E-grade variants available) |
DSPIC33EV64GM106-I/PT Pin Configuration
| Pin 1 | SDA1/RP57/PMD11/RC9 — I2C1 SDA / remappable I/O |
| Pin 2 | SCL1/RP58/PMD10/RC8 — I2C1 SCL / remappable I/O |
| Pin 3 | RP59/PMD9/RC7 — Remappable I/O |
| Pin 4 | RP60/PMD8/RC6 — Remappable I/O |
| Pin 5 | VDD — Digital supply voltage (5V) |
| Pin 6 | VSS — Digital ground |
| Pin 7 | RP61/RC5 — Remappable I/O |
| Pin 8 | RP62/RC4 — Remappable I/O |
| Pin 9 | RP63/RG15 — Remappable I/O |
| Pin 10 | RP64/PMALL/RG14 — PMA latch low / remappable I/O |
| Pin 11 | RP65/RG13 — Remappable I/O |
| Pin 12 | RP66/RC3 — Remappable I/O |
| Pin 13 | RP67/RC2 — Remappable I/O |
| Pin 14 | RP68/RC1 — Remappable I/O |
| Pin 15 | RP69/RC0 — Remappable I/O |
| Pin 16 | RP70/PMA22/RG12 — PMA / remappable I/O |
| Pin 17 | RP71/PMA21/RG11 — PMA / remappable I/O |
| Pin 18 | RP72/PMA20/RG10 — PMA / remappable I/O |
| Pin 19 | RP73/PMA19/RG9 — PMA / remappable I/O |
| Pin 20 | RP74/PMA18/RG8 — PMA / remappable I/O |
| Pin 21 | RP75/PMA17/RG7 — PMA / remappable I/O |
| Pin 22 | RP76/PMA16/RG6 — PMA / remappable I/O |
| Pin 23 | RP77/RG5 — Remappable I/O |
| Pin 24 | RP78/RG4 — Remappable I/O |
| Pin 25 | RP79/PMA15/RG3 — PMA / remappable I/O |
| Pin 26 | RP80/PMA14/RG2 — PMA / remappable I/O |
| Pin 27 | RP81/PMA13/RG1 — PMA / remappable I/O |
| Pin 28 | RP82/PMA12/RG0 — PMA / remappable I/O |
| Pin 29 | RP55/RPI55/RF13 — PPS input / remappable I/O |
| Pin 30 | RP56/RPI56/RF12 — PPS input / remappable I/O |
| Pin 31 | RP54/RPI54/PMD15/RF5 — PPS input / remappable I/O |
| Pin 32 | RP53/RPI53/PMD14/RF4 — PPS input / remappable I/O |
| Pin 33 | RP52/RPI52/PMD13/RF3 — PPS input / remappable I/O |
| Pin 34 | RP51/RPI51/PMD12/RF2 — PPS input / remappable I/O |
| Pin 35 | VCAP — Internal regulator output capacitor |
| Pin 36 | RP50/RPI50/PMA11/RF6 — PMA / PPS input / remappable I/O |
| Pin 37 | RP49/RPI49/PMA10/RF7 — PMA / PPS input / remappable I/O |
| Pin 38 | RP48/RPI48/PMA9/RF8 — PMA / PPS input / remappable I/O |
| Pin 39 | RP47/RPI47/PMA8/RB8 — PMA / PPS input / remappable I/O |
| Pin 40 | RP46/RPI46/PMA7/RB9 — PMA / PPS input / remappable I/O |
| Pin 41 | RP45/RPI45/PMA6/RB10 — PMA / PPS input / remappable I/O |
| Pin 42 | RP44/RPI44/PMA5/RB11 — PMA / PPS input / remappable I/O |
| Pin 43 | RP43/RPI43/PMA4/RB12 — PMA / PPS input / remappable I/O |
| Pin 44 | RP42/RPI42/PMA3/RB13 — PMA / PPS input / remappable I/O |
| Pin 45 | RP41/RPI41/PMA2/RB14 — PMA / PPS input / remappable I/O |
| Pin 46 | RP40/RPI40/PMA1/RB15 — PMA / PPS input / remappable I/O |
| Pin 47 | AVDD — Analog supply voltage (5V) |
| Pin 48 | AVSS — Analog ground |
| Pin 49 | OA1OUT/AN0/C2IN4-/RP32/RB0 — Op-amp 1 output / analog input |
| Pin 50 | OA1IN-/AN1/C2IN1-/RP33/RB1 — Op-amp 1 inverting input |
| Pin 51 | OA1IN+/AN2/C2IN1+/RP34/RB2 — Op-amp 1 non-inverting input |
| Pin 52 | OA2OUT/AN3/C1IN4-/RP35/RB3 — Op-amp 2 output / analog input |
| Pin 53 | OA2IN-/AN4/C1IN1-/RP36/RB4 — Op-amp 2 inverting input |
| Pin 54 | OA2IN+/AN5/C1IN1+/RP37/RB5 — Op-amp 2 non-inverting input |
| Pin 55 | OA3OUT/AN6/C3IN4-/RP38/RB6 — Op-amp 3 output / analog input |
| Pin 56 | OA3IN-/AN7/C3IN1-/RP39/RB7 — Op-amp 3 inverting input |
| Pin 57 | VDD — Digital supply voltage (5V) |
| Pin 58 | VSS — Digital ground |
| Pin 59 | OSCI/CLKI/RC12 — Crystal oscillator input / external clock |
| Pin 60 | OSCO/CLKO/RC15 — Crystal oscillator output |
| Pin 61 | PGEC1/SCL2/RA8 — ICSP programming clock / I2C2 SCL |
| Pin 62 | PGED1/SDA2/RA9 — ICSP programming data / I2C2 SDA |
| Pin 63 | PGEC2/SCL3/RA10 — ICSP programming clock 2 / I2C3 SCL |
| Pin 64 | PGED2/SDA3/RA11 — ICSP programming data 2 / I2C3 SDA |
Typical Applications
DSPIC33EV64GM106-I/PT is suitable for 6 applications: BLDC/PMSM Motor Control (FOC), Automotive Sensor Interfacing (SENT), Switched-Mode Power Supply (SMPS) Digital Control, Industrial Automation and PLC I/O, LED Lighting Drivers and Dimmers, Appliance and White Goods Control.
BLDC/PMSM Motor Control (FOC)
The DSPIC33EV64GM106-I/PT is well suited for sensorless and sensored field-oriented control (FOC) of BLDC and PMSM motors up to several hundred watts. Its 70 MIPS dsPIC core executes FOC routines at PWM rates up to 20 kHz with margin for current loop, SVPWM, and SENT/encoder feedback, while the on-chip operational amplifiers (3x) provide direct current-shunt signal conditioning without external op-amp ICs. The 5V I/O tolerance allows direct connection to 5V gate drivers like the Microchip MCP8026, simplifying the power-stage interface. Compared with a 3.3V MCU solution, this part eliminates level shifters on analog feedback lines, reducing BOM cost and PCB area for appliance and e-bike motor drive designs.
Recommended
Automotive Sensor Interfacing (SENT)
The SENT (Single Edge Nibble Transmission) peripheral on the DSPIC33EV64GM106-I/PT enables direct interface to modern automotive sensors such as throttle position, pedal position, pressure, and mass airflow sensors, replacing legacy PWM/analog sensor interfaces. According to the Microchip family datasheet, the SENT module supports both fast and slow channel formats per SAE J2716, with hardware CRC validation that offloads the CPU. The 5V I/O and extended -40C to +85C industrial range allow deployment in cabin and under-hood sensor clusters. With 2x CAN modules on-chip, the device can route decoded SENT data directly onto the vehicle CAN bus.
Recommended
Switched-Mode Power Supply (SMPS) Digital Control
The DSPIC33EV64GM106-I/PT delivers the DSP throughput needed for digital control loops in PFC, LLC, and phase-shifted full-bridge converters, with its single-cycle MAC instructions handling voltage-mode and average-current-mode control at switching frequencies up to 500 kHz. According to Microchip application notes, the dsPIC33EV family's 70 MIPS core with 12-bit ADC enables digital compensation, input voltage feed-forward, and adaptive dead-time control without sacrificing response time. The on-chip op amps (3x) condition current-sense signals from the power stage directly into the ADC. The 5V I/O also allows direct connection to 5V gate drivers commonly used in industrial power supplies.
Recommended
Industrial Automation and PLC I/O
The 5V I/O tolerance of the DSPIC33EV64GM106-I/PT makes it ideal for industrial PLC analog and digital I/O modules interfacing with legacy 5V sensors and actuators without level translation. The dual 12-bit ADC modules with up to 32 input channels support multi-channel analog acquisition (temperature, pressure, flow), while 2x CAN and 4x UART enable fieldbus communication (CANopen, Modbus, RS-485). The 8KB RAM and 64KB flash are sufficient for typical PLC I/O firmware including IEC 61131-3 runtime, calibration routines, and Modbus stacks. Industrial temperature range (-40C to +85C) suits factory-floor deployments.
Recommended
LED Lighting Drivers and Dimmers
The DSPIC33EV64GM106-I/PT supports digital LED drivers and dimmers that require 0-10V, DALI, or DMX512 control with high-resolution PWM dimming down to sub-1% levels. Its 16-bit PWM resolution and multiple timer channels enable smooth dimming curves while the on-chip op amps can condition analog 0-10V dimming signals. According to the Microchip family datasheet, the device's 70 MIPS core handles DALI protocol stack and LED thermal feedback loops simultaneously. The 5V I/O allows direct interface to commercial LED driver ICs and DALI transceivers, simplifying the analog front-end for architectural lighting and signage applications.
Recommended
Appliance and White Goods Control
The DSPIC33EV64GM106-I/PT is well positioned for white goods (washing machines, dishwashers, refrigerators) where 5V-tolerant I/O directly interfaces with legacy control panels, triac-trigger circuits, and 5V sensors. Its on-chip op amps condition signals from pressure sensors, NTC thermistors, and motor current shunts, while 2x CAN supports inter-module communication in high-end appliances. The integrated SENT peripheral accepts modern position sensors used in variable-speed compressor drives. According to Microchip marketing, the dsPIC33EV family specifically targets appliance applications requiring robust 5V operation in harsh temperature and electrical noise environments.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV64GM106-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV128GM106-I/PT | DSPIC33EV256GM106-I/PT | DSPIC33EV64GM106-E/PTVAO | DSPIC33EV128GM104-E/PT | DSPIC33EV64GM004-I/PT |
|---|---|---|---|---|---|---|
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 64 KB ECC | 128 KB ECC (+100%) | 256 KB ECC (+300%) | 64 KB ECC (same) | 128 KB ECC (+100%) | 64 KB ECC (same) |
| Data RAM | 8 KB | 8 KB (same) | 16 KB (+100%) | 8 KB (same) | 8 KB (same) | 8 KB (same) |
| Core Speed | 70 MIPS (40 MHz) | 70 MIPS (same) | 70 MIPS (same) | 70 MIPS (same) | 70 MIPS (same) | 70 MIPS (same) |
| Core Voltage | 5 V | 5 V (same) | 5 V (same) | 5 V (same) | 5 V (same) | 5 V (same) |
| On-chip Op Amps | 3 | 3 (same) | 3 (same) | 3 (same) | 3 (same) | 3 (same) |
| Operating Temperature | -40C to +85C (I-grade) | -40C to +85C (I-grade) | -40C to +85C (I-grade) | -40C to +125C (E-grade, automotive) | -40C to +125C (E-grade) | -40C to +85C (I-grade) |
| AEC-Q100 Qualified | No (I-grade) | No (I-grade) | No (I-grade) | Yes (VAO automotive) | Yes (E-grade) | No (I-grade) |
Key Differentiators
- 5V-tolerant I/O with on-chip op amps and SENT peripheral (vs DSPIC33EV64GM004-I/PT)
- Industrial-grade I/PT vs automotive-grade E/PTVAO (vs DSPIC33EV64GM106-E/PTVAO)
- 64KB flash vs 128KB/256KB GM106 family variants (vs DSPIC33EV128GM106-I/PT)
Design Notes
The DSPIC33EV64GM106-I/PT requires a stable 5V supply on both VDD and AVDD. Place a 10uF bulk capacitor and a 0.1uF ceramic decoupling capacitor as close as possible to each VDD/AVDD pin pair. According to the Microchip family datasheet, separate analog and digital ground returns should connect at a single point near the IC to avoid ground-loop noise coupling into the ADC. The VCAP pin (pin 35) requires a low-ESR ceramic capacitor (typically 4.7uF to 10uF) for the internal voltage regulator.
Reserve the PGEC1/PGED1 and PGEC2/PGED2 pins (61-64) for ICSP in-circuit programming, even in production firmware. According to Microchip's programming specification, the device enters programming mode when MCLR is asserted and uses these pins for serial debug. Route these pins with a 4-pin header footprint on the PCB for programming and field upgrades. Keep ICSP traces short and avoid routing noisy PWM signals adjacent to them to prevent programming errors.
The on-chip operational amplifiers (3x) provide 5V-tolerant input and output ranges, but their input common-mode range and output swing are constrained. According to the Microchip family datasheet, each op amp has dedicated input pins (e.g., OA1IN+/OA1IN-/OA1OUT on pins 49-51) and should be used for low-frequency signal conditioning (e.g., current-shunt amplification) rather than high-speed analog signals. Configure unused op amps as unity-gain buffers with their outputs tied to a stable reference, or disable them in firmware to save quiescent current.
Do not confuse the I-grade DSPIC33EV64GM106-I/PT with the E-grade DSPIC33EV64GM106-E/PT or the VAO variant - they have different temperature ranges and qualification levels. According to Microchip's ordering scheme, the I-grade operates -40C to +85C and is NOT AEC-Q100 qualified; the E-grade operates -40C to +125C and is industrial-grade; the E/PTVAO variant is AEC-Q100 qualified for automotive. Select the correct grade based on the operating environment - using I-grade in an automotive under-hood application will fail qualification.
Estimated: When designing a 4-layer PCB for the 64-pin TQFP, route all signal traces on the top layer with a continuous ground plane on layer 2. For high-current motor drive applications, keep PWM traces short and away from analog inputs. According to Microchip's application note layout guidelines, the analog ground (AVSS) should connect to the digital ground (VSS) at a single point near the MCU with a wide trace or via stitching. Place the VCAP capacitor within 5mm of pin 35 with a direct via to ground.
Compliance Information
I-grade part is NOT AEC-Q100 qualified. For AEC-Q100 automotive applications, use the E/PTVAO variant (DSPIC33EV64GM106-E/PTVAO). RoHS compliant per Microchip product page.
