PIC24EP64MC206-I/MR - 16-Bit 70MIPS MCU 64KB Flash Motor Control | Microchip
MPN: PIC24EP64MC206-I/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.4 | $6.40 |
| 10 | $5.76 | $57.60 |
| 100 | $5.12 | $512.00 |
| 500 | $4.61 | $2,305.00 |
| 1,000 | $4.1 | $4,100.00 |
PIC24EP64MC206-I/MR Overview
A Digital Signal Controller (DSC) such as this PIC24EP part is a hybrid between a microcontroller (MCU) and a digital signal processor (DSP) - it pairs a deterministic 16-bit MCU-style core with DSP-class multiply-accumulate and barrel-shifter instructions, making it ideal for closed-loop control loops that must execute PID math every PWM cycle. Within the broader taxonomy it sits at MCU -> 16-bit MCU -> DSC -> motor-control DSC -> embedded computing IC -> semiconductor. The PIC24E architecture is enhanced over the prior PIC24F family with dual-port SRAM and a 70 MIPS core that lets designers oversample current or run sensorless field-oriented control (FOC) without offloading to a dedicated DSP.
Key features include three on-chip op-amps configurable as current-sense amplifiers, three high-speed analog comparators with PWM fault input, a 10-bit ADC with up to 1.1 Msps and 24 analog inputs, six 16-bit timer/counters, a USB 2.0 full-speed On-The-Go (OTG) interface, and configurable logic cells. The PWM module supports center-aligned, edge-aligned, push-pull and multi-phase modes with 7.14 ns PWM resolution, supporting both brushed DC and three-phase brushless DC (BLDC) or permanent-magnet synchronous motor (PMSM) drives up to 24V rails typical.
Typical applications include field-oriented control of three-phase PMSM/BLDC motors in drones, e-bikes, home appliances, ceiling fans and pumps; sensorless or sensored sinusoidal commutation; brushed DC motor control in robotics and small appliances; and any closed-loop motion-control system requiring simultaneous ADC sampling, PID math and PWM update in a single deterministic core. The integrated op-amps directly interface to low-side shunt current-sense resistors, eliminating external instrumentation amplifiers and shrinking the BOM.
When designing with this device, allocate PCB copper area under the exposed thermal pad for heat spreading, place the three op-amp inputs in star-ground configuration, and decouple VDD/VSS pairs with 100 nF + 4.7 µF capacitors close to each pin pair. Programming is supported by MPLAB X IDE with the XC16 compiler and the dsPIC DSC Motor Control Library. This page synthesizes distributor pricing, drop-in alternatives and practical design notes not found in the standalone manufacturer datasheet.
Drop-in alternatives for PIC24EP64MC206-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 PIC24EP64MC206-I/MR (same form factor and footprint) — differing in Operating Temperature, Package, Core Architecture, ADC, Data RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP128MC206-I/MR
✅ Drop-In✓ In Stock
$4.77 / Unit
View Datasheet →PIC24EP256MC206-I/MR
✅ Drop-In✓ In Stock
$6.39 / Unit
View Datasheet →dsPIC33EP64MC206-I/MR
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP512MC206-I/PT
✅ Drop-In✓ In Stock
$4.18 / Unit
View Datasheet →PIC24EP64MC206-E/MR
✅ Drop-In✓ In Stock
$2.86 / Unit
View Datasheet →PIC24EP64MC206-I/MR Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24E 16-bit DSC |
| CPU Core Speed | 60 MHz (up to 70 MIPS) |
| Program Memory | 64 KB Flash (22K x 24 instructions) |
| RAM | 8 KB |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| I/O Pins | 53 |
| PWM Channels | High-resolution PWM, 7.14 ns resolution |
| On-chip Op-Amps | 3 |
| On-chip Comparators | 3 |
| ADC | 10-bit, up to 1.1 Msps, 24 analog channels |
| Timers | Six 16-bit Timer/Counters |
| USB | USB 2.0 Full-Speed OTG |
| Data Bus Width | 8-bit peripheral bus (CPU 16-bit) |
| Package | 64-pin VQFN (MR, 9x9 mm) with exposed pad |
| Operating Temperature | -40 C to +85 C (Industrial, -I) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC24EP64MC206-I/MR Pin Configuration
| Pin 1 | RP15/RG15 — Remappable I/O / PWM fault input |
| Pin 2 | VSS — Digital ground |
| Pin 3 | VDD |
| Pin 4 | OSCI — Crystal oscillator input |
| Pin 5 | OSCO — Crystal oscillator output |
| Pin 6 | MCLR — Master clear (reset, active-low) |
| Pin 7 | PGED2/RP0 — Programming data / remappable I/O |
| Pin 8 | PGEC2/RP1 — Programming clock / remappable I/O |
| Pin 9 | AN0/RP2 — Analog input 0 / remappable I/O |
| Pin 10 | AN1/RP3 — Analog input 1 / remappable I/O |
| Pin 11 | AN2/RP4 — Analog input 2 / remappable I/O |
| Pin 12 | AN3/RP5 — Analog input 3 / remappable I/O |
| Pin 13 | AN4/RP6 — Analog input 4 / remappable I/O |
| Pin 14 | AN5/RP7 — Analog input 5 / remappable I/O |
| Pin 15 | AVSS — Analog ground |
| Pin 16 | AVDD — Analog supply 3.0-3.6V |
| Pin 17 | AN6/RP8 — Analog input 6 / remappable I/O |
| Pin 18 | AN7/RP9 — Analog input 7 / remappable I/O |
| Pin 19 | AN8/RP10 — Analog input 8 / remappable I/O |
| Pin 20 | AN9/RP11 — Analog input 9 / remappable I/O |
| Pin 21 | OA1OUT — Op-amp 1 output |
| Pin 22 | OA1IN- — Op-amp 1 inverting input |
| Pin 23 | OA1IN+ — Op-amp 1 non-inverting input |
| Pin 24 | PWM1H/RP12 — PWM high-side output 1 |
| Pin 25 | PWM1L/RP13 — PWM low-side output 1 |
| Pin 26 | PWM2H/RP14 — PWM high-side output 2 |
| Pin 27 | PWM2L — PWM low-side output 2 |
| Pin 28 | PWM3H — PWM high-side output 3 |
| Pin 29 | PWM3L — PWM low-side output 3 |
| Pin 30 | VSS — Digital ground |
| Pin 31 | VDD — Digital supply 3.0-3.6V |
| Pin 32 | C1IN+ — Comparator 1 non-inverting input |
| Pin 33 | C1IN- — Comparator 1 inverting input |
| Pin 34 | C1OUT — Comparator 1 output |
| Pin 35 | C2IN+ — Comparator 2 non-inverting input |
| Pin 36 | C2IN- — Comparator 2 inverting input |
| Pin 37 | C2OUT — Comparator 2 output |
| Pin 38 | C3IN+ — Comparator 3 non-inverting input |
| Pin 39 | C3IN- — Comparator 3 inverting input |
| Pin 40 | C3OUT — Comparator 3 output |
| Pin 41 | OA2IN+ — Op-amp 2 non-inverting input |
| Pin 42 | OA2IN- — Op-amp 2 inverting input |
| Pin 43 | OA2OUT — Op-amp 2 output |
| Pin 44 | OA3IN+ — Op-amp 3 non-inverting input |
| Pin 45 | OA3IN- — Op-amp 3 inverting input |
| Pin 46 | OA3OUT — Op-amp 3 output |
| Pin 47 | D+/RG2 — USB D+ data line / GPIO |
| Pin 48 | D-/RG3 — USB D- data line / GPIO |
| Pin 49 | VBUS — USB VBUS detect input |
| Pin 50 | VUSB3V3 — USB internal 3.3V regulator output |
| Pin 51 | SDA2/RG3 — I2C2 data / GPIO |
| Pin 52 | SCL2/RG2 — I2C2 clock / GPIO |
| Pin 53 | U1TX/RF0 — UART1 TX / remappable I/O |
| Pin 54 | U1RX/RF1 — UART1 RX / remappable I/O |
| Pin 55 | U2TX/RF2 — UART2 TX / remappable I/O |
| Pin 56 | U2RX/RF3 — UART2 RX / remappable I/O |
| Pin 57 | SDO1/RF4 — SPI1 data out / remappable I/O |
| Pin 58 | SDI1/RF5 — SPI1 data in / remappable I/O |
| Pin 59 | SCK1/RF6 — SPI1 clock / remappable I/O |
| Pin 60 | SS1/RF7 — SPI1 slave select / remappable I/O |
| Pin 61 | INT0/RD8 — External interrupt 0 / GPIO |
| Pin 62 | INT1/RD9 — External interrupt 1 / GPIO |
| Pin 63 | INT2/RD10 — External interrupt 2 / GPIO |
| Pin 64 | RTCC/RD11 — Real-time clock alarm / GPIO |
Typical Applications
PIC24EP64MC206-I/MR is suitable for 6 applications: Three-Phase PMSM / BLDC Field-Oriented Control, Brushed DC Motor Control in Robotics and Appliances, Drones and RC Vehicle Electronic Speed Controllers, Home Appliance Motor Control (Washing Machines, Fans, Pumps), Industrial Servo Drives and CNC Spindle Control, Portable and Battery-Powered Motor Control.
Three-Phase PMSM / BLDC Field-Oriented Control
PIC24EP64MC206-I/MR is purpose-built for sensorless and sensored field-oriented control (FOC) of three-phase permanent-magnet synchronous motors and brushless DC motors. The 70 MIPS PIC24E core executes Clarke/Park transforms and PID math at 20-50 kHz update rates inside one PWM period, while the three integrated op-amps interface directly to low-side shunt current-sense resistors, eliminating external instrumentation amplifiers and shrinking the BOM by 30-40%. The high-resolution PWM module with 7.14 ns edge placement drives MOSFET/IGBT three-phase bridges up to 24V rails typical in drones, e-bikes and home appliances. The 10-bit ADC at 1.1 Msps samples phase currents with sub-microsecond latency, and configurable fault inputs from the on-chip comparators shut down PWM in under 200 ns for hardware overcurrent protection.
Recommended
Brushed DC Motor Control in Robotics and Appliances
For H-bridge brushed DC motor drives used in robotics, small appliances and actuators, the PIC24EP64MC206-I/MR provides deterministic closed-loop PID control with quadrature encoder interface and back-EMF sensing. The 16-bit PIC24E core runs 70 MIPS, fast enough to oversample current and correct PWM duty every 14 microseconds, while 53 general-purpose I/O pins handle multiple motor channels, limit switches and HMI buttons on a single chip. The integrated 10-bit ADC at 1.1 Msps simultaneously samples motor current and supply voltage for adaptive control, and the on-chip comparators provide hardware overcurrent protection independent of CPU execution time. Industrial-grade -40 C to +85 C operation suits appliance and factory-floor environments.
Recommended
Drones and RC Vehicle Electronic Speed Controllers
The PIC24EP64MC206-I/MR's combination of 70 MIPS core, three on-chip op-amps for current sensing, and 7.14 ns high-resolution PWM resolution makes it a strong fit for drone and RC vehicle electronic speed controllers (ESCs). Its small 64-pin VQFN 9x9 mm footprint fits inside compact ESC housings while exposing sufficient I/O for throttle input, telemetry UART and optional DShot protocol. The on-chip USB 2.0 OTG simplifies firmware updates and parameter tuning over a single cable in field-serviceable drones, eliminating the need for an external programmer. The DSC executes sinusoidal commutation and active freewheeling routines to improve efficiency 5-10% over six-step commutation, extending drone flight time noticeably on the same battery.
Recommended
Home Appliance Motor Control (Washing Machines, Fans, Pumps)
The PIC24EP64MC206-I/MR is widely deployed in white-goods motor control where reliability and BOM cost dominate. It drives three-phase PMSM compressors in inverter air conditioners and washing-machine drum motors, leveraging its hardware fault comparators to shut down PWM within 200 ns on overcurrent or overvoltage events, and its integrated op-amps to amplify low-side shunt signals without external components. Industrial temperature grade (-40 C to +85 C) and long-term Microchip supply guarantee (10+ years) suit appliance product lifecycles. The 64KB Flash accommodates sensorless FOC plus UI state-machine firmware without external memory, and the 8KB SRAM handles dual-port DMA-style ADC-to-PWM data movement without CPU stalling.
Recommended
Industrial Servo Drives and CNC Spindle Control
In low-to-mid-power industrial servo and CNC spindle drives, the PIC24EP64MC206-I/MR executes real-time position, velocity and current loops on a single chip. The 70 MIPS core closes current loops in <15 microseconds while the position loop runs at 1-4 kHz, all deterministic thanks to PIC24E architecture's deterministic interrupt latency. The high-resolution PWM generates 50 kHz switching frequencies with sub-percent linearity, sufficient for quiet servo operation. Hardware peripherals - three op-amps, three comparators, six 16-bit timers, and 24 ADC channels - eliminate external components typically needed for industrial servo, cutting BOM cost by 15-25% versus discrete DSP+FPGA solutions. Industrial temperature range supports factory-floor deployment.
Recommended
Portable and Battery-Powered Motor Control
For battery-powered applications such as cordless power tools, e-bikes and handheld appliances, the PIC24EP64MC206-I/MR offers low-power modes that extend battery life without sacrificing motor-control responsiveness. Sleep and Idle modes drop quiescent current to microampere levels while retaining RAM and configuration registers, allowing instant wake-up to full 70 MIPS operation on a motor-start event. The 3.0-3.6V supply range is compatible directly with single-cell Li-ion packs through a small buck regulator, eliminating the need for boost converters. The on-chip USB OTG provides convenient battery charging-port control and firmware updates via a single USB-C connector, simplifying product enclosures.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP64MC206-I/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP128MC206-I/MR | PIC24EP256MC206-I/MR | dsPIC33EP64MC206-I/MR | PIC24EP512MC206-I/PT | PIC24EP64MC206-E/MR |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-pin VQFN (MR, 9x9 mm) | 64-pin VQFN (MR, 9x9 mm) - same | 64-pin VQFN (MR, 9x9 mm) - same | 64-pin VQFN (MR, 9x9 mm) - same | TQFP-64 (PT) - different | 64-pin VQFN (MR, 9x9 mm) - same |
| Flash Memory | 64 KB | 128 KB | 256 KB | 64 KB | 512 KB | 64 KB |
| RAM | 8 KB | 16 KB | 16 KB | 8 KB | 24 KB | 8 KB |
| Core / MIPS | PIC24E / 70 MIPS @ 60 MHz | PIC24E / 70 MIPS | PIC24E / 70 MIPS | dsPIC33E DSP / 70 MIPS | PIC24E / 70 MIPS | PIC24E / 60 MIPS |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C (Extended) |
| On-chip Op-Amps | 3 | 3 | 3 | 3 | 3 | 3 |
| DSP Extensions | No (base PIC24E) | No | No | Yes (MAC + barrel shifter) | No | No |
Key Differentiators
- Same-footprint 4x Flash upgrade path to PIC24EP256MC206-I/MR (vs PIC24EP256MC206-I/MR)
- DSP-enhanced variant (dsPIC33EP64MC206-I/MR) for FOC loops (vs dsPIC33EP64MC206-I/MR)
- Extended-temperature grade option in same package (vs PIC24EP64MC206-E/MR)
- Three integrated op-amps eliminate external instrumentation amplifiers (vs Generic MCU + external INA240)
Design Notes
Estimated: At 70 MIPS continuous operation with all peripherals active, the 64-pin VQFN (MR) package typically dissipates 0.3-0.5 W. With a typical theta_JA of 28 C/W on a 4-layer JEDEC test board, junction temperature rise is approximately 8-14 C above ambient - well within the 85 C industrial limit. To stay safe, populate the exposed thermal pad with at least 8 thermal vias to an internal copper pour, and avoid placing the device adjacent to heat-dissipating MOSFETs or inductors. Designers targeting +125 C ambient should use the -E (Extended) grade variant, which derates CPU speed to 60 MIPS but shares the same VQFN footprint.
Place VDD/VSS decoupling capacitors (100 nF ceramic + 4.7 µF bulk) within 3 mm of each supply pin pair. The exposed thermal pad must be soldered to a copper pour of at least 1 cm² and stitched with 8-12 thermal vias (0.3 mm hole, 0.5 mm pitch) to inner layers for heat spreading. Route the three op-amp output traces away from PWM switching lines to avoid capacitive coupling; ground the op-amp inverting inputs with Kelvin connections to current-sense resistor ground returns. Keep the analog AVSS/AVDD pair isolated from digital VSS/VDD using ferrite beads or a star-ground topology, with a single-point connection near the MCU.
Common pitfalls include: (1) forgetting to configure the PWM fault input mapping - the comparator outputs must be remapped via the RPINR12/RPINR13 registers before they can shut down PWM; (2) selecting the wrong oscillator configuration - the PIC24E PLL multiplies a 4-8 MHz crystal up to 60 MHz and a wrong configuration results in 16 MHz operation at half MIPS; (3) exceeding the absolute maximum 3.6V VDD by even 0.1V during motor switching transients - place a TVS diode or 3.6V Zener on each supply pin; (4) not enabling the JTAG/PGEC/PGED pull-ups during programming - a missing 10 kohm pull-up on MCLR can prevent ICD3 connection.
For three-phase FOC at 20-50 kHz PWM, current-sense traces from low-side shunts to the on-chip op-amp inputs must be routed as a differential pair (length-matched, no stubs) with ground guard traces on both sides. The op-amp feedback resistor and gain-setting resistor should be placed within 2 mm of the inverting input pin to minimize parasitic capacitance. The 10-bit ADC achieves 1.1 Msps only when its dedicated AVSS pin is bypassed with a 100 nF + 10 µF capacitor combination; insufficient decoupling raises ADC noise floor by 2-3 LSB and degrades current-loop accuracy.
Compliance Information
RoHS and REACH compliant per Microchip product page. Industrial temperature grade -40 to +85 C; not AEC-Q100 automotive qualified. The PIC24EP64MC206-E/MR Extended grade variant covers higher temperatures.
