PIC24EP512GP204-H/ML - 16-bit 60 MIPS 512KB Flash MCU | Microchip
MPN: PIC24EP512GP204-H/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $11.95 | $11.95 |
| 10 | $10.85 | $108.50 |
| 100 | $9.45 | $945.00 |
| 500 | $8.5 | $4,250.00 |
| 1,000 | $7.85 | $7,850.00 |
PIC24EP512GP204-H/ML Overview
A 16-bit microcontroller (MCU) is a single-chip computer that integrates a 16-bit CPU core, program memory, data RAM, and a rich set of peripherals such as ADCs, timers, communication controllers, and GPIO. 16-bit MCUs occupy the middle ground between 8-bit controllers (PIC16, PIC18, 8051) and 32-bit microcontrollers (Cortex-M, PIC32). They are favored when 8-bit performance is insufficient but 32-bit cost and complexity are not required, particularly in motor control, digital power conversion, sensor processing, and real-time control.
Key features include up to 512 KB self-programmable Flash, 48 KB RAM, configurable 10-bit 1.1 Msps / 12-bit 500 ksps ADC with up to 16 channels, three on-chip operational amplifiers with direct ADC connection, a Charge Time Measurement Unit (CTMU), a Peripheral Trigger Generator (PTG), high-speed PWM with up to 7.14 ns resolution, and communication peripherals including UART, SPI, I2C, and CAN. The 'H' suffix designates the -40C to +150C automotive junction temperature grade.
The PIC24E core uses a Harvard architecture with separate program and data buses, a hardware multiplier, and 16 working registers, achieving 70 MIPS at 140 MHz CPU clock with deterministic interrupt latency. This makes the device suitable for closed-loop control loops running in the tens-of-kHz range, including field-oriented motor control and digital switch-mode power supply regulation.
Typical applications include BLDC/PMSM motor drives, automotive sensor interfaces, solar inverters, LED lighting controllers, and industrial automation. The combination of op-amps, ADC, CTMU, and PTG allows direct signal conditioning and time measurement on-chip, eliminating external analog front-ends in many designs.
When designing with this MCU, allocate sufficient PCB copper to the exposed thermal pad and follow Microchip's decoupling guidance: 0.1 uF and 10 uF near each VDD pin. The high 60 MIPS throughput at 3.3V requires careful analog/digital partitioning; refer to the family reference manual for the recommended ground-plane strategy.
This page synthesizes verified distributor pricing, the -H/ML package pinout, drop-in alternatives from the PIC24EP family, and practical design notes that complement the manufacturer datasheet.
Drop-in alternatives for PIC24EP512GP204-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 PIC24EP512GP204-H/ML (same form factor and footprint) — differing in ADC, Package, CTMU, Maximum CPU Speed, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP512GP204-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP256GP204-H/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP128GP204-H/ML
✅ Drop-In✓ In Stock
$4.18 / Unit
View Datasheet →PIC24EP512GP204-E/ML
✅ Drop-In✓ In Stock
$7.49 / Unit
View Datasheet →PIC24EP256GP204-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP512GP204-H/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24E 16-bit MCU |
| Maximum CPU Speed | 60 MIPS at 70 MHz |
| Program Memory (Flash) | 512 KB (170K x 24) |
| Data RAM | 48 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| Package | 44-pin QFN (ML) 8x8 mm with exposed pad |
| Operating Temperature | -40C to +150C (H automotive grade) |
| ADC | Configurable 10-bit 1.1 Msps / 12-bit 500 ksps, up to 16 channels |
| On-chip Op Amps | Up to 3 with direct ADC connection |
| PWM | High-speed PWM with up to 7.14 ns resolution |
| CTMU | Charge Time Measurement Unit |
| PTG | Peripheral Trigger Generator |
| Communication Peripherals | UART, SPI, I2C, CAN |
| Mounting Type | Surface Mount |
| AEC-Q100 | Automotive grade (H suffix) |
| RoHS Status | Compliant |
PIC24EP512GP204-H/ML Pin Configuration
| Pin 1 | RP23/RB15 — Remappable peripheral / GPIO RB15 |
| Pin 2 | RP24/RB14 — Remappable peripheral / GPIO RB14 |
| Pin 3 | RP25/RB13 — Remappable peripheral / GPIO RB13 |
| Pin 4 | RP26/RB12 — Remappable peripheral / GPIO RB12 |
| Pin 5 | AVDD — Analog supply voltage |
| Pin 6 | AVSS — Analog ground |
| Pin 7 | AN0/RA0 — Analog input 0 / GPIO RA0 |
| Pin 8 | AN1/RA1 — Analog input 1 / GPIO RA1 |
| Pin 9 | AN2/RA2 — Analog input 2 / GPIO RA2 |
| Pin 10 | AN3/RA3 — Analog input 3 / GPIO RA3 |
| Pin 11 | VDD — Digital supply voltage |
| Pin 12 | VSS — Digital ground |
| Pin 13 | OSC1/RC12 — Crystal oscillator input / GPIO RC12 |
| Pin 14 | OSC2/RC15 — Crystal oscillator output / GPIO RC15 |
| Pin 15 | PGEC1/AN6/RC1 — ICSP programming clock / Analog / GPIO |
| Pin 16 | PGED1/AN7/RC2 — ICSP programming data / Analog / GPIO |
| Pin 17 | PGEC2/AN8/RC3 — ICSP alternate clock / Analog / GPIO |
| Pin 18 | PGED2/AN9/RC4 — ICSP alternate data / Analog / GPIO |
| Pin 19 | RP0/RB0 — Remappable peripheral / GPIO RB0 |
| Pin 20 | RP1/RB1 — Remappable peripheral / GPIO RB1 |
| Pin 21 | RP2/RB2 — Remappable peripheral / GPIO RB2 |
| Pin 22 | RP3/RB3 — Remappable peripheral / GPIO RB3 |
| Pin 23 | RP4/RB4 — Remappable peripheral / GPIO RB4 |
| Pin 24 | RP5/RB5 — Remappable peripheral / GPIO RB5 |
| Pin 25 | RP6/RB6 — Remappable peripheral / GPIO RB6 |
| Pin 26 | RP7/RB7 — Remappable peripheral / GPIO RB7 |
| Pin 27 | RP8/RB8 — Remappable peripheral / GPIO RB8 |
| Pin 28 | RP9/RB9 — Remappable peripheral / GPIO RB9 |
| Pin 29 | RP10/RB10 — Remappable peripheral / GPIO RB10 |
| Pin 30 | RP11/RB11 — Remappable peripheral / GPIO RB11 |
| Pin 31 | VDD — Digital supply voltage |
| Pin 32 | VSS — Digital ground |
| Pin 33 | RP14/RC6 — Remappable peripheral / GPIO RC6 |
| Pin 34 | RP15/RC7 — Remappable peripheral / GPIO RC7 |
| Pin 35 | RP16/RC8 — Remappable peripheral / GPIO RC8 |
| Pin 36 | RP17/RC9 — Remappable peripheral / GPIO RC9 |
| Pin 37 | RP18/RA8 — Remappable peripheral / GPIO RA8 |
| Pin 38 | RP19/RA9 — Remappable peripheral / GPIO RA9 |
| Pin 39 | RP20/RA10 — Remappable peripheral / GPIO RA10 |
| Pin 40 | RP21/RA11 — Remappable peripheral / GPIO RA11 |
| Pin 41 | RP22/RB12 — Remappable peripheral / GPIO RB12 |
| Pin 42 | MCLR — Master clear / reset input |
| Pin 43 | VDD — Digital supply voltage |
| Pin 44 | EP — Exposed thermal pad (connect to ground) |
Typical Applications
PIC24EP512GP204-H/ML is suitable for 6 applications: BLDC / PMSM Motor Control, Automotive Sensor Interface, Digital Switch-Mode Power Supply, Solar Inverter / MPPT Controller, Industrial LED Lighting Controller, Industrial Automation / PLC.
BLDC / PMSM Motor Control
PIC24EP512GP204-H/ML is well-suited for sensorless and sensored BLDC/PMSM motor control, with up to 60 MIPS providing sufficient bandwidth for field-oriented control (FOC) loops at 20-40 kHz switching frequencies. The on-chip op-amps interface directly to shunt-resistor current sensors, and the 12-bit 500 ksps ADC samples three-phase currents with 2 us conversion time. The high-speed PWM module delivers 7.14 ns edge resolution for sinusoidal drive, while the H-grade -40C to +150C automotive range supports under-hood and integrated motor-controller applications. The 512 KB Flash holds sensorless FOC libraries plus telemetry stacks; the Peripheral Trigger Generator synchronizes ADC sampling to PWM timing for minimal current-sense jitter.
Recommended
Automotive Sensor Interface
The H-grade automotive qualification and -40C to +150C operating range make PIC24EP512GP204-H/ML ideal for body and chassis sensor interfaces such as pressure, throttle-position, and exhaust sensors. The CTMU (Charge Time Measurement Unit) enables capacitive touch/proximity sensing and ratiometric measurement of resistive sensors without an external ADC. Three on-chip op-amps provide first-stage analog conditioning, while the 16-channel ADC scans multiple sensor inputs at 500 ksps. The CAN peripheral supports automotive bus communication, and 512 KB Flash holds both the application firmware and a CAN-based bootloader for field updates. AEC-Q100 qualification and H-grade temperature allow under-hood placement near the sensors themselves.
Recommended
Digital Switch-Mode Power Supply
PIC24EP512GP204-H/ML runs digital-control loops for switch-mode power supplies up to 100 kHz at 60 MIPS, with deterministic interrupt latency under 5 cycles. The high-speed PWM module generates primary-side switch drive with programmable dead-time control, while the high-speed 12-bit ADC samples output voltage and current with synchronized triggering. The PTG (Peripheral Trigger Generator) chains ADC sampling and PWM updates without CPU intervention, freeing MIPS for telemetry and PMBus/SMBus communication. The 48 KB RAM holds state-space observers and adaptive control loops, while the 512 KB Flash accommodates PID plus feed-forward control firmware. The H-grade operating range supports industrial PSU and automotive 48 V applications.
Recommended
Solar Inverter / MPPT Controller
In solar micro-inverters and MPPT controllers, PIC24EP512GP204-H/ML runs perturb-and-observe or incremental-conductance MPPT at 50-100 kHz loop rates, with the high-speed ADC measuring panel voltage and current. The on-chip op-amps amplify hall-effect current sensor signals before the ADC, and the CTMU times the 50/60 Hz anti-islanding frequency detection. The 512 KB Flash stores the inverter firmware, grid-tie synchronization code, and an Ethernet or Wi-Fi management stack. The H-grade temperature range supports outdoor inverter enclosures under direct sunlight. The CAN/SPI/UART peripherals interface to power modules and grid-monitoring chips, while 48 KB RAM accommodates the MPPT state machine and grid-synchronization buffers.
Recommended
Industrial LED Lighting Controller
PIC24EP512GP204-H/ML drives high-power LED strings with constant-current control loops running at 25-50 kHz. The high-speed PWM module provides 16-bit resolution for smooth dimming down to 0.1% duty cycle, and the 12-bit ADC reads LED current feedback via an external op-amp. The PTG coordinates multi-channel LED driver updates without CPU overhead, and the CAN peripheral links the controller to a building-automation bus. The H-grade -40C to +150C junction range supports sealed outdoor luminaires and high-bay industrial fixtures. The 512 KB Flash accommodates DALI-2, DMX512, and ZigBee or Bluetooth Mesh stack libraries, while the 48 KB RAM supports multi-channel color-mixing algorithms.
Recommended
Industrial Automation / PLC
PIC24EP512GP204-H/ML acts as a compact PLC front-end for industrial automation, reading up to 16 analog inputs via the 12-bit ADC and driving digital outputs through high-speed PWM or GPIO. The CTMU provides high-accuracy time-of-flight measurement for ultrasonic proximity sensors, while the Peripheral Trigger Generator synchronizes multi-axis motion profiles. CAN, SPI, I2C, and UART peripherals connect to motor drives, HMIs, and remote I/O modules, and the 48 KB RAM supports soft-PLC ladder-logic execution at millisecond cycle times. The H-grade automotive and industrial temperature rating enables factory-floor deployment in enclosures up to 85C ambient, and the 512 KB Flash fits IEC 61131-3 runtime plus Modbus TCP stack.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP512GP204-H/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP512GP204-I/ML | PIC24EP256GP204-H/ML | PIC24EP128GP204-H/ML | PIC24EP512GP204-E/ML | PIC24EP256GP204-I/ML |
|---|---|---|---|---|---|---|
| Package | 44-pin QFN (ML) 8x8 mm | 44-pin QFN (ML) 8x8 mm - same | 44-pin QFN (ML) 8x8 mm - same | 44-pin QFN (ML) 8x8 mm - same | 44-pin QFN (ML) 8x8 mm - same | 44-pin QFN (ML) 8x8 mm - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 512 KB | 512 KB | 256 KB | 128 KB | 512 KB | 256 KB |
| RAM | 48 KB | 48 KB | 32 KB | 16 KB | 48 KB | 32 KB |
| Maximum CPU Speed | 60 MIPS at 70 MHz | 60 MIPS at 70 MHz | 60 MIPS at 70 MHz | 60 MIPS at 70 MHz | 60 MIPS at 70 MHz | 60 MIPS at 70 MHz |
| Temperature Grade | -40C to +150C (H automotive) | -40C to +85C (I industrial) | -40C to +150C (H automotive) | -40C to +150C (H automotive) | -40C to +125C (E extended) | -40C to +85C (I industrial) |
| AEC-Q100 | Qualified | Not qualified | Qualified | Qualified | Not qualified | Not qualified |
| 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 |
| Pin Count | 44 | 44 | 44 | 44 | 44 | 44 |
Key Differentiators
- Largest Flash memory in PIC24EP GP 44-pin QFN family (vs PIC24EP256GP204-H/ML)
- Integrated CTMU and PTG peripherals (vs PIC24EP128MC204-H/ML)
- H-grade automotive qualification across full -40C to +150C range (vs PIC24EP512GP204-I/ML)
Design Notes
The 44-pin QFN package has an exposed thermal pad (EP) on pin 44 that MUST be soldered to the PCB ground plane for proper thermal dissipation and electrical reference. Use an array of 9 to 13 thermal vias (0.3 mm drill, 0.5 mm pitch) under the EP to a continuous inner-layer ground pour. Inadequate EP soldering causes junction temperature to rise by 20-40 C, potentially violating the H-grade -40C to +150C limit at elevated ambient temperatures. Microchip AN1254 'QFN Packaging Guidelines' provides the recommended land pattern and via array.
Place 0.1 uF and 10 uF ceramic decoupling capacitors within 3 mm of each VDD pin (the 44-pin QFN has multiple VDD/VSS pairs at pins 11, 12, 31, 32, 43, 5, and 6). Use X7R or X5R dielectrics; avoid Y5V which loses 80% capacitance with temperature. For ADC accuracy, place a ferrite bead and 10 uF filter capacitor on AVDD, separated from VDD with an RC filter. Bulk capacitance of 100 uF is recommended for power-rail transient suppression.
Do not leave unused GPIO pins floating - configure them as digital outputs driving low or as inputs with the internal weak pull-up enabled. Floating pins can draw extra current (50-200 uA each) and inject noise into the ADC. The MCLR pin requires a 10 kohm pull-up to VDD; do not connect MCLR directly to VDD. For ICSP programming, ensure PGECx/PGEDx lines have no series resistors above 100 ohm to avoid programming failure with the MPLAB ICD 3 or ICD 4 programmer.
Compliance Information
AEC-Q100 qualified per Microchip product page (H automotive temperature grade). Lead-free and RoHS compliant. Halogen-free per Microchip environmental compliance statement.