PIC24EP512MC204-H/ML - 60 MIPS 512KB Flash MCU | Microchip
MPN: PIC24EP512MC204-H/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.32 | $9.32 |
| 10 | $8.41 | $84.10 |
| 100 | $7.18 | $718.00 |
| 500 | $6.05 | $3,025.00 |
| 1,000 | $5.12 | $5,120.00 |
PIC24EP512MC204-H/ML Overview
What is a PIC24E MCU? A 16-bit microcontroller (MCU) is a programmable processor that integrates CPU, memory, timers, ADCs, communication peripherals and interrupt logic on a single silicon die, occupying the middle ground between 8-bit MCUs and 32-bit Cortex-M cores. Within Microchip's taxonomy, PIC24E belongs to dsPIC33/PIC24 high-performance 16-bit family, which itself falls under the broader category of microcontrollers, embedded processors, and semiconductors. The 'EP' suffix denotes enhanced peripherals and 70 MIPS capable core, while the 'MC' sub-family adds motor-control-specific PWM, quadrature encoder and high-speed ADC channels optimized for field-oriented control (FOC) of PMSM and BLDC motors.
Key features of this variant include the high-speed 70 MIPS (60 MIPS sustained) dsPIC30-style CPU with modified Harvard architecture and DSP engine, 16-channel 10-bit ADC with up to 500 ksps conversion rate, dedicated motor-control PWM modules with complementary outputs and dead-band control, four general-purpose 16-bit timers, dual analog comparators, Peripheral Trigger Generator (PTG) for offloading CPU timing, and Configurable Logic Cells (CLC) for custom glue logic. Communication peripherals include three UART, two SPI, and one I2C interface. The integrated Charge Time Measurement Unit (CTMU) enables capacitive touch and precise time-of-flight measurements for advanced sensing.
Architecture-wise, the PIC24EP512MC204-H/ML uses a wide 24-bit instruction word with 16-bit data paths, dual port SRAM for simultaneous DMA-style accesses, and a 32-bit barrel shifter for high-throughput DSP math - useful for field-oriented control loops executing in single cycle. The enhanced on-chip peripherals allow the CPU to offload motor-control sequencing, freeing the core for application-layer tasks and reducing latency on feedback paths.
Typical applications include sensorless and sensored BLDC motor controllers for industrial fans, pumps, and drones, automotive HVAC and electric power steering (EPS) sensor interfaces, field-oriented control of PMSM servo drives, switched-mode power supplies with digital control loops, and high-density IoT edge nodes requiring DSP-like math on a 16-bit footprint.
When designing with the PIC24EP512MC204-H/ML, allocate at least four PCB layers to provide adequate ground planes for the QFN thermal pad, route the analog AVSS/AVDD pair separately from the digital supply, and follow Microchip's motor-control reference design guidance for PWM trace symmetry. Use the Peripheral Trigger Generator (PTG) for deterministic ADC-to-PWM timing to minimize torque ripple in high-speed motor control loops.
This page synthesizes distributor pricing snapshots, drop-in same-package alternatives from Microchip's PIC24EP family, and practical design notes not consolidated in the manufacturer datasheet - giving procurement and firmware engineers a one-stop reference for design-in and BOM risk evaluation.
Drop-in alternatives for PIC24EP512MC204-H/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 PIC24EP512MC204-H/ML (same form factor and footprint) — differing in ADC, Package, Program Memory (Flash), Comparators, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP512MC204-E/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP512MC204-I/ML
✅ Drop-In✓ In Stock
$5.91 / Unit
View Datasheet →PIC24EP512GP204-H/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$7.85 / Unit
View Datasheet →PIC24EP256MC204-H/ML
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24EP32MC204-H/ML
✅ Drop-In✓ In Stock
$4.25 / Unit
View Datasheet →PIC24EP512MC204-H/ML Maximum Ratings & Electrical Characteristics
| Series | PIC24E PMC Family |
| Core | PIC24 (16-bit dsPIC enhanced) |
| Core Performance | 60 MIPS (70 MIPS peak), modified Harvard w/ DSP engine |
| Program Memory (Flash) | 512 KB (170K x 24 words) |
| RAM | 48 KB (data) |
| Operating Voltage Range | 3.0 V to 3.6 V |
| Operating Temperature Range (H grade) | -40C to +150C |
| Package | 44-pin QFN (8x8 mm, exposed pad) |
| ADC | 10-bit, 500 ksps, up to 16 channels |
| Motor Control PWM | Yes, complementary outputs w/ dead-band |
| QEI Modules | Yes (Quadrature Encoder Interface) |
| Communication Peripherals | 3x UART, 2x SPI, 1x I2C |
| Timers | 4x 16-bit, 2x 32-bit |
| DMA | 8-channel DMA |
| CTMU (Charge Time Measurement Unit) | Yes |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC24EP512MC204-H/ML Pin Configuration
| Pin 1 | RP15/RX2/PMCS2/PMA5 — Remappable I/O / UART2 RX / SPI2 chip select |
| Pin 2 | RP14/TX2/PMCS1/PMA4 — Remappable I/O / UART2 TX / SPI2 chip select |
| Pin 3 | VSS — Ground |
| Pin 4 | RP13/OCFA/SS2/PMA3 — Remappable I/O / PWM fault input / SPI2 slave select |
| Pin 5 | RP12/SDO2/PMA2 — Remappable I/O / SPI2 SDO |
| Pin 6 | RP11/SDI2/PMA1 — Remappable I/O / SPI2 SDI |
| Pin 7 | RP10/SCK2/PMA0 — Remappable I/O / SPI2 clock |
| Pin 8 | VDD — Digital supply (3.3 V) |
| Pin 9 | OSC1/CLKI — Crystal oscillator input |
| Pin 10 | OSC2/CLKO — Crystal oscillator output |
| Pin 11 | RP9/PWM4H/PMA9 — Remappable I/O / PWM4 high output |
| Pin 12 | RP8/PWM4L/PMA8 — Remappable I/O / PWM4 low output |
| Pin 13 | RP7/PWM3H/PMD15 — Remappable I/O / PWM3 high output |
| Pin 14 | RP6/PWM3L/PMD14 — Remappable I/O / PWM3 low output |
| Pin 15 | VSS — Ground |
| Pin 16 | RP5/PWM2H/PMD13 — Remappable I/O / PWM2 high output |
| Pin 17 | RP4/PWM2L/PMD12 — Remappable I/O / PWM2 low output |
| Pin 18 | RP3/PWM1H/PMD11 — Remappable I/O / PWM1 high output |
| Pin 19 | RP2/PWM1L/PMD10 — Remappable I/O / PWM1 low output |
| Pin 20 | VDD — Digital supply (3.3 V) |
| Pin 21 | AN15/PWM6L/OCFA — Analog input 15 / PWM6 low / fault input |
| Pin 22 | AN14/PWM6H — Analog input 14 / PWM6 high |
| Pin 23 | AN13/PWM5L — Analog input 13 / PWM5 low |
| Pin 24 | AN12/PWM5H — Analog input 12 / PWM5 high |
| Pin 25 | AVSS — Analog ground |
| Pin 26 | AVDD — Analog supply (3.3 V) |
| Pin 27 | AN11/IC1/RP1 — Analog input 11 / Input Capture 1 / remappable I/O |
| Pin 28 | AN10/OC5/PMA10 — Analog input 10 / Output Compare 5 |
| Pin 29 | AN9/QEB/RA9 — Analog input 9 / QEI channel B |
| Pin 30 | AN8/QEA/RA8 — Analog input 8 / QEI channel A |
| Pin 31 | AN7/INDX/RP0 — Analog input 7 / QEI index / remappable I/O |
| Pin 32 | AN6/CN6 — Analog input 6 / change notification |
| Pin 33 | AN5/CN5 — Analog input 5 / change notification |
| Pin 34 | AN4/CN4 — Analog input 4 / change notification |
| Pin 35 | AN3/CN3 — Analog input 3 / change notification |
| Pin 36 | AN2/CN2 — Analog input 2 / change notification |
| Pin 37 | AN1/CN1 — Analog input 1 / change notification |
| Pin 38 | AN0/CN0 — Analog input 0 / change notification |
| Pin 39 | RP31/SDA1/CN21 — Remappable I/O / I2C1 SDA |
| Pin 40 | RP30/SCL1/CN30 — Remappable I/O / I2C1 SCL |
| Pin 41 | RP29/TX1/SCL2/CN29 — Remappable I/O / UART1 TX / I2C2 SCL |
| Pin 42 | RP28/RX1/SDA2/CN28 — Remappable I/O / UART1 RX / I2C2 SDA |
| Pin 43 | MCLR — Master clear reset (active low) |
| Pin 44 | RP27/TX3/CN27 — Remappable I/O / UART3 TX / change notification |
| Pin EP | EP (Exposed Pad) — Thermal pad - must be soldered to VSS for thermal/electrical performance |
Typical Applications
PIC24EP512MC204-H/ML is suitable for 6 applications: BLDC / PMSM Motor Controller (FOC), Industrial Fan and Pump Drives, Automotive HVAC and Sensor Interface, Digital Switch-Mode Power Supplies (SMPS), Drone ESC (Electronic Speed Controller), Industrial Servo Drives and Robotics.
BLDC / PMSM Motor Controller (FOC)
Field-oriented control of brushless DC and permanent magnet synchronous motors requires deterministic high-frequency PWM, fast current sensing, and a DSP engine for sin/cos math. The PIC24EP512MC204-H/ML's 60 MIPS 16-bit core with single-cycle MAC runs FOC loops at 20-40 kHz while the dedicated motor-control PWM with 8 complementary pairs and 10 ns dead-band resolution drives three-phase inverter FETs. Its QEI module directly interfaces incremental encoders for rotor position feedback. The 512 KB Flash holds full FOC libraries plus application code, while 48 KB RAM buffers state variables and Park/Clarke transform intermediate results without overflow.
Recommended
Industrial Fan and Pump Drives
Variable-speed BLDC drives for HVAC fans, water pumps and refrigeration compressors benefit from the sensorless and sensored control firmware libraries supported on this MCU. The 60 MIPS core executes back-EMF zero-cross detection or sensor-based commutation while the 10-bit 500 ksps ADC samples phase currents simultaneously through the dedicated Sample-and-Hold. The -40C to +150C H-grade operating range covers industrial enclosure and under-hood automotive thermal environments. RS-485 / UART or CAN via external transceiver handles Modbus or CANopen fieldbus connectivity for industrial pump control panels.
Recommended
Automotive HVAC and Sensor Interface
Automotive HVAC blower motors, electronic throttle bodies and EPS torque sensors require AEC-Q100-grade microcontrollers with extended temperature tolerance and robust peripherals. While the -H variant of the PIC24EP512MC204-H/ML operates from -40C to +150C, the package pinout supports integration with LIN/CAN bus transceivers for in-vehicle networking. The CTMU peripheral enables precise capacitive humidity and position sensor measurements, while the 10-bit ADC and op-amp peripherals condition analog signals from Hall-effect or shunt current sensors in 12 V / 24 V automotive systems.
Recommended
Digital Switch-Mode Power Supplies (SMPS)
Digitally controlled SMPS implementations use the PIC24EP512MC204-H/ML's high-speed ADC and PWM to close voltage and current loops at 100 kHz+ switching frequencies. The DSP engine accelerates digital filter calculations, while the Peripheral Trigger Generator (PTG) deterministically synchronizes ADC sampling with PWM edges to avoid sub-cycle noise. The 44-QFN package exposes enough analog and PWM channels for single- or interleaved multi-phase topologies common in telecom and industrial DC-DC converters up to 500 W.
Recommended
Drone ESC (Electronic Speed Controller)
Electronic speed controllers for multi-rotor drones require lightweight, fast motor-control firmware running FOC at 32 kHz or higher on a small footprint. The PIC24EP512MC204-H/ML's 60 MIPS DSP engine executes fast sin/cos on Park/Clarke transforms with deterministic latency for fast throttle response. Its 8x8 mm 44-QFN package allows compact PCB integration next to the three-phase gate driver, while the H-grade temperature range survives elevated ambient temperatures inside enclosed drone arms during high-power flight.
Recommended
Industrial Servo Drives and Robotics
Industrial servo drives and robotic joint controllers require precise multi-axis coordinated motion with deterministic cycle times. The PIC24EP512MC204-H/ML's QEI decoder directly interfaces quadrature encoders common in servo loops, while its DMA and 8-channel priority interrupt controller offload data movement so the 60 MIPS core executes position/velocity/current control loops without jitter. The 512 KB Flash holds multi-axis trajectory generator code, and 48 KB RAM buffers command profiles from host controllers over SPI or UART industrial protocols.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP512MC204-H/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP512MC204-E/ML | PIC24EP512MC204-I/ML | PIC24EP512GP204-H/ML | PIC24EP256MC204-H/ML | PIC24EP32MC204-H/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same |
| Program Memory (Flash) | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB (-50%) | 32 KB (-94%) |
| Core / Speed | PIC24E / 60 MIPS | PIC24E / 60 MIPS | PIC24E / 60 MIPS | PIC24E / 60 MIPS | PIC24E / 60 MIPS | PIC24E / 60 MIPS |
| Motor Control PWM / QEI | Yes (MC family) | Yes (MC family) | Yes (MC family) | No (GP family) | Yes (MC family) | Yes (MC family) |
| Temperature Grade | H grade (-40C to +150C) | E grade (AEC-Q100, -40C to +125C) | I grade (-40C to +85C) | H grade (-40C to +150C) | H grade (-40C to +150C) | H grade (-40C to +150C) |
| RAM | 48 KB | 48 KB | 48 KB | 48 KB | 16 KB (-67%) | 4 KB (-92%) |
| AEC-Q100 Automotive | No (H grade only) | Yes | No | No (H grade only) | No (H grade only) | No (H grade only) |
| Operating Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
Key Differentiators
- H-grade extended temperature up to +150C without AEC-Q100 cost premium (vs PIC24EP512MC204-I/ML)
- Motor-control-specific PWM and QEI peripherals (vs PIC24EP512GP204-H/ML)
- 512 KB Flash vs reduced-memory MC siblings (vs PIC24EP256MC204-H/ML)
Design Notes
The 44-QFN (8x8 mm) package's exposed thermal pad (EP, pin 44) MUST be soldered to a copper pad of at least 1 square inch on the top PCB layer, with thermal vias to inner ground planes. For continuous motor-control operation at 60 MIPS with the PWM modules active, the junction temperature rise above ambient is typically 20-30 C with this footprint. At ambient temperatures near 125C, derate peripheral clock frequencies or apply additional heatsinking via copper pour. Estimated: assuming 1 W internal dissipation at full core and PWM activity, theta_JA of approximately 30 C/W gives a 30 C junction temperature rise.
Route analog AVSS/AVDD as a separate power island from digital VDD/VSS to avoid digital switching noise coupling into ADC readings. Keep the 10-bit 500 ksps ADC traces short (<25 mm) and isolate them from PWM outputs. Place 0.1uF ceramic decoupling capacitors within 2 mm of each VDD/AVDD pin and a 10uF bulk capacitor near the package. Use Microchip's PIC24E motor-control reference layout (AN1078) as a starting point for inverter PCB design to ensure adequate creepage/clearance for high-voltage power stages.
Do not confuse the temperature grade letter on Microchip part numbers: -I suffix means industrial (-40C to +85C), -E means AEC-Q100 automotive qualified, and -H means extended temperature (-40C to +150C). Using -H grade for production in an automotive application without AEC-Q100 compliance may fail qualification audits - if your application requires AEC-Q100, order the -E suffix variant explicitly. Also, the 44-pin 'MC204' variant does NOT have USB or CAN modules - migrate to 'MC206' if those peripherals are needed.
When using the on-chip op amps and 10-bit ADC for current sensing in motor control, enable simultaneous sampling mode and use the dedicated Sample-and-Hold channels to capture all three phase currents within 100 ns. Match PCB trace lengths from current shunts to ADC inputs to within 5 mm to avoid timing skew. For PWM signals above 50 kHz, source-terminate the PWM outputs with 33 ohm resistors near the MCU to dampen ringing into the gate driver inputs.
Compliance Information
H temperature grade supports -40C to +150C but is not AEC-Q100 qualified; for automotive qualification select the -E variant. RoHS and lead-free compliant per Microchip product page. Halogen-free status not explicitly stated in provided data.
