PIC24EP512GP202-I/MM - 16-bit 70 MIPS 512KB Flash MCU | Microchip
MPN: PIC24EP512GP202-I/MM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.42 | $7.42 |
| 10 | $6.59 | $65.90 |
| 100 | $5.83 | $583.00 |
| 500 | $5.1 | $2,550.00 |
| 1,000 | $4.55 | $4,550.00 |
PIC24EP512GP202-I/MM Overview
A 16-bit microcontroller (MCU) is a microprocessor optimized for embedded control, integrating a CPU, non-volatile Flash program memory, volatile data RAM, and a rich peripheral set (ADC, timers, communication controllers) onto a single die. Compared to 8-bit MCUs, 16-bit cores offer higher arithmetic throughput, wider data paths, and DSP-friendly instruction sets while retaining deterministic real-time behavior. PIC24EP devices sit in Microchip's mid-range dsPIC/PIC24 portfolio above PIC18 and below dsPIC33/PIC32, offering a balance of cost, code density, and analog integration.
Key features include the high-performance 70 MIPS CPU core with modified Harvard architecture, 512 KB self-programmable Flash, 48 KB SRAM, up to 25 MIPS single-cycle DSP support, and a 10/12-bit ADC with up to 1.1 Msps conversion rate. The device integrates operational amplifiers, comparators, a Charge Time Measurement Unit (CTMU), and the Peripheral Trigger Generator for hardware-state-machine timing. Communication peripherals cover UART, SPI, I2C, and ECAN, while up to 21 I/O pins support mappable peripheral functions.
The PIC24EP512GP202 uses a 3.0V to 3.6V single-supply core with separate analog and digital voltage domains, providing excellent noise immunity for mixed-signal designs. The PTG peripheral is a unique feature that sequences ADC, PWM, and I/O triggers without CPU intervention, freeing the core for application-level tasks. With 70 MIPS, the device can execute complex control loops, sensor-fusion routines, and digital filtering in real time.
Typical applications include industrial motor control (BLDC/PMSM field-oriented control), digital power conversion (digital PFC, LLC, phase-shifted full-bridge SMPS), sensor signal conditioning using integrated op amps, CAN-connected automotive body/comfort modules, medical instrumentation, and high-performance general-purpose embedded control. The 28-QFN (6x6) footprint suits compact board layouts where small size and good thermal dissipation are both required.
When designing with this part, ensure decoupling per the datasheet (typically 100 nF + bulk close to VDD/AVDD pins), and note that exposed-pad QFN packages require thermal vias beneath the pad for rated operation. Verify programming via Microchip's MPLAB X IDE with the XC16 compiler; programmers include ICD 4, MPLAB SNAP, and PICkit 4. This page consolidates distributor pricing, package alternatives, and design notes that extend beyond the manufacturer datasheet to accelerate BOM selection.
Drop-in alternatives for PIC24EP512GP202-I/MM — 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 PIC24EP512GP202-I/MM (same form factor and footprint) — differing in ADC, Operating Temperature, Package, Core Architecture, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP256GP202-I/MM
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP512GP202T-I/MM
✅ Drop-In📋 Reference alternative (not in catalog)
dsPIC33EP512GP502-I/MM
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP32GP202-I/MM
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.85 / Unit
View Datasheet →PIC24EP512GP202-I/MM Maximum Ratings & Electrical Characteristics
| Product Family | PIC24EP |
| Core Architecture | 16-bit PIC24E (modified Harvard) |
| CPU Performance | 70 MIPS (at 3.3V) |
| Program Flash Memory | 512 KB (170K x 24) |
| RAM | 48 KB |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (industrial) |
| Package | 28-VQFN (6x6 mm) with exposed pad |
| I/O Pins | Up to 21 |
| ADC | 12-bit, up to 1.1 Msps |
| Op Amps (integrated) | Yes |
| Comparators | Yes |
| CTMU | Yes |
| Peripheral Trigger Generator (PTG) | Yes |
| Communication Peripherals | UART, SPI, I2C, ECAN |
| PWM Outputs | Multiple 16-bit PWM |
| Mounting Type | Surface Mount |
| MSL Level | 3 (168 hours) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC24EP512GP202-I/MM Pin Configuration
| Pin 1 | RA0 — Port A bit 0 / analog input |
| Pin 2 | RA1 — Port A bit 1 / analog input |
| Pin 3 | RA2 — Port A bit 2 / analog input |
| Pin 4 | RA3 — Port A bit 3 / analog input |
| Pin 5 | RA4 — Port A bit 4 / analog input |
| Pin 6 | VDD — Digital supply voltage (3.3V nominal) |
| Pin 7 | VSS — Digital ground |
| Pin 8 | OSC1 — Crystal oscillator input |
| Pin 9 | OSC2 — Crystal oscillator output |
| Pin 10 | RB0 — Port B bit 0 / programming |
| Pin 11 | RB1 — Port B bit 1 |
| Pin 12 | RB2 — Port B bit 2 |
| Pin 13 | RB3 — Port B bit 3 |
| Pin 14 | RB4 — Port B bit 4 |
| Pin 15 | RB5 — Port B bit 5 / PGED2 |
| Pin 16 | RB6 — Port B bit 6 / PGEC2 |
| Pin 17 | RB7 — Port B bit 7 |
| Pin 18 | RC0 — Port C bit 0 |
| Pin 19 | RC1 — Port C bit 1 |
| Pin 20 | RC2 — Port C bit 2 |
| Pin 21 | RC3 — Port C bit 3 |
| Pin 22 | RC4 — Port C bit 4 |
| Pin 23 | RC5 — Port C bit 5 |
| Pin 24 | RC6 — Port C bit 6 |
| Pin 25 | RC7 — Port C bit 7 |
| Pin 26 | AVDD — Analog supply voltage |
| Pin 27 | AVSS — Analog ground |
| Pin 28 | MCLR — Master clear / reset input |
Typical Applications
PIC24EP512GP202-I/MM is suitable for 6 applications: Industrial Motor Control (BLDC/PMSM FOC), Digital Power Conversion (PFC, LLC, PSFB SMPS), Sensor Signal Conditioning with Integrated Op Amps, CAN-Connected Automotive Body and Comfort Modules, Medical Instrumentation and Patient Monitoring, High-Performance General-Purpose Embedded Control.
Industrial Motor Control (BLDC/PMSM FOC)
The PIC24EP512GP202-I/MM fits BLDC and PMSM motor-control designs because its 70 MIPS core runs sensorless and encoder-based field-oriented control loops within the required PWM switching windows (typically 10-20 kHz). Integrated op amps interface directly with current-sense shunts, the 1.1 Msps 12-bit ADC samples phase currents with sub-microsecond latency, and the Peripheral Trigger Generator sequences ADC sampling to PWM centers for low-ripple readings. Compared to dsPIC33 alternatives, the GP variant lacks the DSP engine, so it suits trapezoidal commutation and basic sinusoidal drives where DSP MAC instructions are not required.
Recommended
Digital Power Conversion (PFC, LLC, PSFB SMPS)
Digital power supplies benefit from the PIC24EP512GP202-I/MM's 70 MIPS throughput, which executes average-current-mode PFC loops and phase-shifted full-bridge control at 100 kHz switching frequency without CPU saturation. The 12-bit ADC at 1.1 Msps captures voltage and current feedback with sufficient resolution for tight regulation, and the PTG peripheral sequences ADC sampling, PWM update, and fault handling deterministically. Integrated op amps buffer current-sense signals before the ADC, reducing external component count compared to discrete designs using separate amplifiers.
Recommended
Sensor Signal Conditioning with Integrated Op Amps
The PIC24EP512GP202-I/MM integrates operational amplifiers on-die, eliminating external instrumentation stages for thermocouple, strain-gauge, and bridge-sensor front ends. The CTMU (Charge Time Measurement Unit) provides accurate time-based temperature and capacitance measurements using the on-chip op amps, while the 12-bit ADC delivers 1.1 Msps conversion for rapid multiplexing of sensor channels. Compared to discrete op-amp plus MCU solutions, the integrated approach reduces PCB area, BOM cost, and calibration complexity for multi-sensor data acquisition boards.
Recommended
CAN-Connected Automotive Body and Comfort Modules
Automotive body controllers, HVAC actuators, and lighting modules rely on the PIC24EP512GP202-I/MM's integrated ECAN peripheral for CAN 2.0B communication at 1 Mbit/s. The 70 MIPS core handles LIN/CAN gateway tasks, PWM for seat-motors and lamp dimming, and ADC scanning for position feedback. Compared to basic 8-bit MCUs, the 16-bit core delivers more deterministic real-time performance under CAN bus load. Note this is the I/MM industrial-temperature variant; AEC-Q100 qualified versions are typically the -E or -VAUTO suffix parts.
Recommended
Medical Instrumentation and Patient Monitoring
Patient monitors, infusion pumps, and diagnostic instruments leverage the PIC24EP512GP202-I/MM's combination of 512 KB Flash for firmware headroom, 48 KB RAM for waveform buffers, and 12-bit ADC with integrated op amps for ECG/EEG front-end signal conditioning. The CTMU supports accurate body-temperature measurement via thermistor time-discharge methods, while the 70 MIPS core executes digital filtering, lead-off detection, and display-driving code simultaneously. For higher-resolution analog front-ends, an external 16/24-bit delta-sigma ADC pairs cleanly via SPI.
Recommended
High-Performance General-Purpose Embedded Control
General-purpose embedded products - industrial HMIs, smart-building controllers, vending machines, and test fixtures - benefit from the PIC24EP512GP202-I/MM's balanced memory and peripheral mix. The 28-QFN (6x6 mm) footprint fits compact enclosures, while UART, SPI, and I2C peripherals support displays, sensors, and wireless modules. The Peripheral Trigger Generator offloads timed I/O sequences from the CPU, freeing cycles for application logic. Compared to PIC18 alternatives, this device delivers 5-10x the MIPS for headroom to run protocol stacks, graphical UIs, and RTOS kernels concurrently.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP512GP202-I/MM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP256GP202-I/MM | PIC24EP512GP202T-I/MM | dsPIC33EP512GP502-I/MM | PIC24EP32GP202-I/MM |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-VQFN (6x6 mm) | 28-VQFN (6x6 mm) - same | 28-VQFN (6x6 mm) - same | 28-VQFN (6x6 mm) - same | 28-VQFN (6x6 mm) - same |
| Program Flash Memory | 512 KB | 256 KB (-50%) | 512 KB | 512 KB | 32 KB (-94%) |
| RAM | 48 KB | 32 KB (-33%) | 48 KB | 48 KB | 4 KB (-92%) |
| CPU Performance | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS + DSP | 70 MIPS |
| DSP Engine | No | No | No | Yes (single-cycle MAC) | No |
| Integrated Op Amps | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- Larger Flash headroom than the 256 KB GP variant (vs PIC24EP256GP202-I/MM)
- DSP engine available in pin-compatible variant (vs dsPIC33EP512GP502-I/MM)
- Integrated op amps reduce external analog front-end (vs PIC24EP32GP202-I/MM)
Design Notes
Decouple VDD/VSS and AVDD/AVSS with a 100 nF ceramic capacitor placed within 3 mm of each supply pin, plus a 10 uF bulk capacitor on the VDD rail. The exposed pad (EP) must be soldered to the ground plane and bonded with thermal vias (typically 9-16 vias in a 3x3 array) to maintain the rated thermal performance. Missing EP solder or vias can cause overheating during sustained 70 MIPS operation.
Route the analog input traces (Port A) as short as possible and away from switching PWM and digital clocks to minimize ADC noise pickup. Place the analog ground (AVSS) connection to the digital ground (VSS) at a single point near the MCU to avoid ground loops. The 12-bit ADC's 1.1 Msps sampling bandwidth means that switching signals coupled within ~50 mm can degrade ENOB unless careful partitioning is applied.
Do not program MCLR as a general-purpose I/O unless your design never needs in-circuit serial programming (ICSP). ICD 4 and PICkit 4 programmers rely on MCLR for programming entry. When debugging with MPLAB X IDE, ensure the debugger firmware version matches the XC16 compiler version to avoid device ID mismatch errors. Always erase the entire Flash array before reprogramming to prevent leftover code segments from corrupting boot behavior.
Compliance Information
RoHS compliant per Microchip product page. The -I/MM suffix denotes industrial temperature range (-40C to +85C) and is not AEC-Q100 qualified - automotive applications require the -VAUTO/-E parts.
