PIC24EP64MC204-E/ML - 16-bit 60 MIPS 64KB Flash Motor MCU | Microchip
MPN: PIC24EP64MC204-E/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.8 | $4.80 |
| 10 | $4.32 | $43.20 |
| 100 | $3.84 | $384.00 |
| 500 | $3.45 | $1,725.00 |
| 1,000 | $3.06 | $3,060.00 |
PIC24EP64MC204-E/ML Overview
A 16-bit microcontroller (MCU) is a single-chip computer that uses a 16-bit data path and instruction word to balance deterministic real-time control with reasonable cost and power consumption. Within the broader taxonomy, the PIC24EP64MC204 sits in the 16-bit MCU category, which sits within microcontrollers (MCU), which sit within embedded processors and microcontrollers, which sit within integrated circuits (IC) and finally within semiconductors. The "Motor Control" (MC) family suffix indicates enhanced on-chip peripherals tailored to drive BLDC, PMSM, ACIM, and stepper motors with field-oriented control (FOC) algorithms.
Key features include a 60 MIPS dsPIC/PIC24E CPU core, 64KB (22K x 24) self-programmable Flash with ECC, 4KB SRAM, integrated motor-control PWM with up to 6 PWM outputs and 1.04 ns PWM resolution, a 10/12-bit ADC with up to 1.1 Msps sampling rate, and a 32 kHz secondary oscillator for low-power RTC operation. The 44-QFN (8x8) package provides a compact footprint with an exposed pad that enhances thermal dissipation and enables high-density PCB layouts typical of motor drive modules.
The PIC24E architecture uses a Harvard-style bus with separate program and data paths, supporting DSP-like MAC operations useful for real-time FOC math. Hardware peripherals such as the Motor Control PWM, quadrature encoder interface (QEI), and high-resolution 1.04 ns PWM duty-cycle adjustment are tightly coupled to the CPU via zero-overhead addressing, allowing deterministic sub-microsecond control loops for sensorless and sensored motor commutation.
Typical applications include BLDC and PMSM motor drives (drones, e-bikes, appliances), field-oriented control (FOC) variable-frequency drives, AC-DC and DC-DC power-conversion stages, automotive auxiliary pumps and fans, and industrial servo drives. The wide operating voltage range of 3.0V to 3.6V and AEC-Q100 Grade 0 capability further position the part for harsh industrial and automotive environments.
When designing with this device, plan the PCB layout to expose the thermal pad of the 44-QFN to a continuous ground pour; this is essential for the 70 MIPS operation at elevated ambient temperatures. Reserve the MCLR, PGEDx/PGECx, and SOSCI/SOSCO pins as documented to avoid losing debug access via ICSP/ICD.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes for the PIC24EP64MC204-E/ML that are not consolidated in the manufacturer datasheet alone.
Drop-in alternatives for PIC24EP64MC204-E/ML — 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 PIC24EP64MC204-E/ML (same form factor and footprint) — differing in ADC, Package, Core Architecture, Operating Temperature, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP32MC204-E/ML
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24EP128MC204-E/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.08 / Unit
View Datasheet →PIC24EP256MC204-E/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.21 / Unit
View Datasheet →PIC24EP512MC204-E/ML
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24EP64GP204-E/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.55 / Unit
View Datasheet →dsPIC33EP64MC204-E/ML
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
dsPIC33EP32MC204-E/ML
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24EP64MC204-E/ML Maximum Ratings & Electrical Characteristics
| Core Processor | PIC |
| Core Size | 16-Bit |
| CPU Speed | 60 MIPS (70 MIPS with Doze/Idle) |
| Program Memory Size | 64 KB (22K x 24) FLASH |
| RAM Size | 4 KB (4K x 16) |
| Number of I/O | 35 |
| Supply Voltage (Vcc/Vdd) | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +125C (Extended, "-E") |
| Package | 44-QFN (8x8 mm) with exposed thermal pad (ML) |
| ADC | 10/12-bit, up to 1.1 Msps |
| Motor Control PWM | Yes, 6 outputs, 1.04 ns resolution |
| Quadrature Encoder Interface (QEI) | Yes |
| Connectivity | I2C, SPI, UART, CAN |
| Data Converters | A/D 14x10-bit/12-bit |
| Mounting Type | Surface Mount |
| MSL Level | MSL3 |
| RoHS Status | Compliant |
| AEC-Q100 | Qualified (Extended temp "-E" supports automotive profiles) |
PIC24EP64MC204-E/ML Pin Configuration
| Pin 1 | RP8/PWM1H/PMD6/RB8 — Remappable I/O / PWM channel |
| Pin 2 | RP9/PWM1L/PMD7/RB9 — Remappable I/O / PWM channel |
| Pin 3 | RP10/PWM2H/PMD8/RB10 — Remappable I/O / PWM channel |
| Pin 4 | RP11/PWM2L/PMD10/RB11 — Remappable I/O / PWM channel |
| Pin 5 | VSS — Ground reference |
| Pin 6 | RP12/PWM3H/PMD0/RB12 — Remappable I/O / PWM channel |
| Pin 7 | RP13/PWM3L/PMD1/RB13 — Remappable I/O / PWM channel |
| Pin 8 | RP14/PWM4H/PMD2/RB14 — Remappable I/O / PWM channel |
| Pin 9 | RP15/PWM4L/PMD3/RB15 — Remappable I/O / PWM channel |
| Pin 10 | VSS — Ground reference |
| Pin 11 | VDD — Positive supply (3.0-3.6 V) |
| Pin 12 | OSC1/RC12 — Crystal oscillator input |
| Pin 13 | OSC2/RC15 — Crystal oscillator output |
| Pin 14 | MCLR — Master clear reset (active-low) |
| Pin 15 | PGED1/RP7/ASDA1/RB7 — ICSP data / remappable I/O |
| Pin 16 | PGEC1/RP6/ASCL1/RB6 — ICSP clock / remappable I/O |
| Pin 17 | AN16/RP16/RC0 — Analog input / remappable I/O |
| Pin 18 | AN17/RP17/RC1 — Analog input / remappable I/O |
| Pin 19 | AN18/RP18/RC2 — Analog input / remappable I/O |
| Pin 20 | VDD — Positive supply (3.0-3.6 V) |
| Pin 21 | VSS — Ground reference |
| Pin 22 | AN19/RP19/RC3 — Analog input / remappable I/O |
| Pin 23 | AN21/RP21/RC5 — Analog input / remappable I/O |
| Pin 24 | AN20/RP20/RC4 — Analog input / remappable I/O |
| Pin 25 | AN22/RP22/RC6 — Analog input / remappable I/O |
| Pin 26 | AN23/RP23/RC7 — Analog input / remappable I/O |
| Pin 27 | AN12/RP0/PMD0/RA0 — Analog input / remappable I/O |
| Pin 28 | AN13/RP1/PMD1/RA1 — Analog input / remappable I/O |
| Pin 29 | AN14/RP2/PMD2/RA2 — Analog input / remappable I/O |
| Pin 30 | AN15/RP3/PMD3/RA3 — Analog input / remappable I/O |
| Pin 31 | VDD — Positive supply (3.0-3.6 V) |
| Pin 32 | VSS — Ground reference |
| Pin 33 | SOSCO/T1CK/CN0/RA4 — Secondary oscillator output / timer clock |
| Pin 34 | SOSCI/CN1/RA5 — Secondary oscillator input |
| Pin 35 | RP24/CN2/RC8 — Remappable I/O |
| Pin 36 | RP25/CN3/RC9 — Remappable I/O |
| Pin 37 | RP26/CN4/RC10 — Remappable I/O |
| Pin 38 | RP27/CN5/RC11 — Remappable I/O |
| Pin 39 | VDD — Positive supply (3.0-3.6 V) |
| Pin 40 | VSS — Ground reference |
| Pin 41 | RP28/PWM5H/PMD4/RC12 — Remappable I/O / PWM channel |
| Pin 42 | RP29/PWM5L/PMD5/RC13 — Remappable I/O / PWM channel |
| Pin 43 | RP30/PWM6H/PMD8/RC14 — Remappable I/O / PWM channel |
| Pin 44 | RP31/PWM6L/PMD9/RC15 — Remappable I/O / PWM channel |
Typical Applications
PIC24EP64MC204-E/ML is suitable for 6 applications: BLDC / PMSM Motor Drive, Field-Oriented Control (FOC) Variable Frequency Drive, Automotive Auxiliary Pumps and Fans, Industrial Servo and Stepper Drive, DC-DC and AC-DC Power Conversion, Drone and e-Bike ESC.
BLDC / PMSM Motor Drive
The PIC24EP64MC204-E/ML is purpose-built for BLDC and PMSM motor control. Its 6-channel Motor Control PWM with 1.04 ns duty-cycle resolution delivers the precise complementary outputs needed to drive three-phase inverter MOSFETs or IGBTs without shoot-through. The 12-bit ADC at 1.1 Msps samples phase currents at every PWM cycle for closed-loop FOC, while 64 KB Flash holds the full Clarke/Park/SVPWM state machine. Quadrature encoder interface (QEI) hardware captures rotor position directly, offloading the CPU. Compared to a generic 16-bit MCU, the integrated MC peripherals cut firmware complexity by 30-40% and reduce loop latency below 10 us.
Recommended
Field-Oriented Control (FOC) Variable Frequency Drive
FOC variable-frequency drives for HVAC compressors, pumps, and industrial servo applications benefit from the PIC24EP64MC204-E/ML's deterministic 60 MIPS throughput and zero-overhead loop constructs. The MAC unit completes Clarke and inverse-Park transforms in tens of cycles, fitting a full FOC step inside a 50 us PWM period. The 4 KB SRAM holds speed, current, and rotor-flux state variables without spilling to Flash, while 64 KB Flash holds the full V/Hz startup, ramp, and torque-limit lookup tables. The device's -40C to +125C extended temperature range and exposed thermal pad enable fan-less sealed drives for harsh industrial cabinets.
Recommended
Automotive Auxiliary Pumps and Fans
The PIC24EP64MC204-E/ML suits 12V/48V auxiliary motor loads including water pumps, oil pumps, and radiator fans that demand AEC-Q100 robustness and -40C to +125C operation. The 6-channel PWM drives the high-side/low-side FET pair, while CAN connectivity lets it integrate into vehicle networks without an external transceiver in many cases. The exposed thermal pad of the 44-QFN (8x8) package keeps junction temperatures below the AEC-Q100 Grade 0 envelope during continuous 1 A gate-drive switching. The 64 KB Flash supports ISO 26262-style diagnostics and a bootloader for over-the-air firmware refresh.
Recommended
Industrial Servo and Stepper Drive
Industrial stepper and servo drives use the PIC24EP64MC204-E/ML to deliver precise current-controlled microstepping at up to 256 microsteps per step. The QEI captures absolute position from incremental encoders, and the high-speed 1.04 ns PWM resolution shapes sinusoidal current commands with minimal torque ripple. The 35 GPIO handle end-stop, brake, and enable signals without external logic. With 64 KB Flash and 4 KB RAM, the part implements S-curve ramps, electronic gearing, and vibration-suppression notch filters in a single MCU, eliminating a separate DSP.
Recommended
DC-DC and AC-DC Power Conversion
The PIC24EP64MC204-E/ML is used in digitally-controlled DC-DC converters and AC-DC PFC stages where tight regulation and dynamic load handling are required. Its high-speed ADC samples inductor current and output voltage with sub-microsecond latency, while the PWM module drives synchronous rectifier FETs at fixed frequencies up to 1 MHz. The 60 MIPS throughput executes digital compensator (type-II/type-III) math and soft-start ramps without overshoot. The 44-QFN package is small enough for sub-30 W adapters and industrial DIN-rail supplies.
Recommended
Drone and e-Bike ESC
The PIC24EP64MC204-E/ML drives electronic speed controllers (ESCs) for drones and e-bikes, where the small 8x8 mm 44-QFN package is critical for high-density ESC boards. The 60 MIPS core executes sensorless back-EMF or zero-cross observer algorithms in real time at 8 kHz to 32 kHz loop rates. The 6 PWM channels drive a three-phase bridge with optional synchronous rectification, and the 12-bit ADC samples bus current for current-mode protection. With 64 KB Flash, firmware packs start-up, commutation advance, current limiting, and telemetry over UART/CAN into one MCU.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP64MC204-E/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP32MC204-E/ML | PIC24EP128MC204-E/ML | PIC24EP256MC204-E/ML | PIC24EP512MC204-E/ML | PIC24EP64GP204-E/ML | dsPIC33EP64MC204-E/ML | dsPIC33EP32MC204-E/ML |
|---|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (8x8) - ML | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same |
| Flash Size | 64 KB | 32 KB | 128 KB | 256 KB | 512 KB | 64 KB | 64 KB | 32 KB |
| RAM Size | 4 KB | 4 KB | 8 KB | 16 KB | 24 KB | 4 KB | 7 KB | 4 KB |
| CPU Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 70 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Motor Control PWM | Yes (6 ch, 1.04 ns) | Yes | Yes | Yes | Yes | No | Yes | Yes |
| QEI | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes |
| DSP Engine | No | No | No | No | No | No | Yes | Yes |
| Supply Voltage | 3.0 - 3.6 V | 3.0 - 3.6 V | 3.0 - 3.6 V | 3.0 - 3.6 V | 3.0 - 3.6 V | 3.0 - 3.6 V | 3.0 - 3.6 V | 3.0 - 3.6 V |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
Key Differentiators
- Dedicated 6-channel Motor Control PWM with 1.04 ns resolution (vs PIC24EP64GP204-E/ML)
- 64 KB Flash with ECC (vs PIC24EP32MC204-E/ML)
- 60 MIPS PIC24E core with deterministic zero-overhead loops (vs dsPIC33EP64MC204-E/ML)
Design Notes
The 44-QFN (8x8 mm) exposed thermal pad must be soldered to a continuous ground pour of at least 25 mm^2 on the top layer, with thermal vias (0.3 mm drill, 0.5 mm pitch) connecting to internal ground planes. Insufficient thermal contact raises junction temperature above the 125C limit at 60 MIPS, especially in enclosed motor-drive enclosures. Keep the exposed-pad solder stencil opening the same size as the pad to ensure void-free solder joint.
Place a 100 nF X7R 0402 capacitor on each VDD pin within 2 mm trace length, plus a single shared 10 uF X5R bulk capacitor near the package. VDD/VSS pins on the 44-QFN are non-symmetric; review pinout table to identify all four VDD pairs. Verify the 3.3 V rail has <50 mVpp ripple during 1 A gate-drive switching to avoid ADC reference noise coupling into current measurements.
Route oscillator traces (OSC1/OSC2) over a continuous ground reference within 10 mm of the IC, and avoid routing PWM signals parallel to analog current-sense traces. The Motor Control PWM outputs can have 1 ns rise times; 50-ohm source termination on each PWM line reduces ringing and EMI. Place the QEI signals (QEA, QEB, INDX) on inner layers with ground on both sides if the design is dense.
Do not leave MCLR floating - add a 10 kohm pull-up to VDD and a 100 nF cap to ground for noise immunity, or use the internal MCLR via configuration bits. Reserve PGED1/PGEC1 for ICSP/ICD; if these pins are repurposed for GPIO without a debugger attached, ensure JTAG boundary-scan is disabled in configuration. Programming fails if the on-chip voltage regulator sees VDD < 3.0 V during ICSP.
Compliance Information
AEC-Q100 Grade 0 qualified per Microchip product family. Extended temperature -40C to +125C ("-E") per manufacturer datasheet. RoHS and REACH compliant per Microchip product page.
