PIC18F27Q10-E/ML - 8-bit 64MHz 128KB Flash MCU 28-QFN | Microchip
MPN: PIC18F27Q10-E/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.13 | $4.13 |
| 10 | $3.71 | $37.10 |
| 100 | $3.1 | $310.00 |
| 500 | $2.64 | $1,320.00 |
| 1,000 | $2.32 | $2,320.00 |
PIC18F27Q10-E/ML Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), non-volatile storage (EEPROM), and a rich set of peripherals (ADC, timers, communication interfaces) onto one silicon die. Within the broader taxonomy, an 8-bit MCU like the PIC18F27Q10 sits between simple 8-bit controllers and 32-bit Cortex-M devices: faster and more capable than a baseline 8051, but lower cost and easier to certify than an ARM core for cost-sensitive or safety-critical industrial applications. The PIC18-Q10 family specifically targets the gap between legacy PIC16 designs and 16-bit dsPIC33 controllers, delivering modern Core Independent Peripherals (CIPs) that offload work from the CPU.
Key features of the PIC18F27Q10-E/ML include up to 35 I/O pins, four 16-bit timers, two CCP modules, an enhanced PWM with complementary outputs and a dedicated Configurable Waveform Generator (CWG), hardware CRC/Scan, multiple serial interfaces (UART, SPI, I2C), and the CLC peripheral that lets designers build glue logic in firmware-free hardware. The device also carries the CIP family of peripherals including HLT (Hardware Limit Timer) and NCO (Numerically Controlled Oscillator) for jitter-free waveform generation. The 28-QFN exposed-pad package provides thermal resistance suitable for full-speed industrial operation across -40C to +125C.
Architecture is a Harvard-class modified RISC core with a 16-bit instruction word and 8-bit data path, executing most instructions in one oscillator cycle (4 clocks at 64MHz). The pipeline and shadow register sets enable fast interrupt response, while the peripheral pin-select (PPS) subsystem lets the designer remap digital peripherals to any I/O pin, simplifying PCB layout. Built-in clock sources include a 64MHz high-precision internal HFINTOSC plus a 32kHz LFINTOSC, eliminating the need for an external crystal in many designs.
Typical applications include industrial sensor nodes, BLDC/PMSM motor control with the integrated CWG and CCP/PWM, IoT edge nodes with low-power sleep modes, lighting control with analog-rich feedback loops, and small appliances requiring a mix of touch, motor drive and serial communication. The wide 5V tolerance supports direct connection to industrial 5V rails without level shifters.
When designing with the PIC18F27Q10-E/ML, ensure the exposed pad on the bottom of the QFN is soldered to a sufficiently large copper pour to keep theta_JA within datasheet limits. Use Microchip's MPLAB X IDE with the XC8 compiler for development; the CIP configuration tool inside MPLAB Code Configurator (MCC) accelerates peripheral setup. Decouple VDD with a 100nF ceramic cap per pin group plus a 10uF bulk cap, and follow the datasheet's analog and digital ground layout recommendations to fully exploit ADC2 accuracy.
This page consolidates distributor pricing, same-brand drop-in alternatives (e.g. PIC18F26Q10, PIC18F25Q10) and practical design notes drawn from Microchip datasheets - information not aggregated on any single manufacturer or distributor page.
Drop-in alternatives for PIC18F27Q10-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 PIC18F27Q10-E/ML (same form factor and footprint) — differing in ADC, DAC, Program Memory (Flash), Package, Communication.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC18F26Q10-I/ML
✅ Drop-In✓ In Stock
$1.1 / Unit
View Datasheet →PIC18F25Q10-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F26Q10-E/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F25Q10-E/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC18F27K42-I/ML
✅ Drop-In✓ In Stock
$1.85 / Unit
View Datasheet →PIC18F27Q10-E/ML Maximum Ratings & Electrical Characteristics
| Series | PIC18-Q10 (PIC18 XLP) |
| Core | PIC 8-bit RISC |
| Core Speed | 64 MHz (max) |
| Program Memory (Flash) | 128 KB |
| RAM | 3.53 KB (3614 bytes) |
| EEPROM | 1024 bytes |
| Operating Voltage (VDD) | 2.3 V to 5.5 V |
| I/O Pins | Up to 25 (per datasheet) |
| ADC | 10-bit ADC2 with Computation |
| DAC | 5-bit DAC |
| Comparators | Yes (multiple) |
| Timers | 4 x 16-bit (TMR0/1/3/5) + TMR2/4/6 8-bit |
| PWM / CWG | CCP, 10-bit PWM, Configurable Waveform Generator |
| CLC (Configurable Logic Cell) | Yes (4 CLC modules) |
| Communication | UART, SPI, I2C |
| Operating Temperature | -40 C to +125 C (E = Extended) |
| Package | 28-QFN (6x6 mm) with exposed pad |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC18F27Q10-E/ML Pin Configuration
| Pin 1 | RA0 — Analog/Digital I/O; ADC2 channel |
| Pin 2 | RA1 — Analog/Digital I/O; ADC2 channel |
| Pin 3 | RA2 — Analog/Digital I/O; ADC2 channel |
| Pin 4 | RA3 — Analog/Digital I/O; ADC2 channel |
| Pin 5 | RA4 — Analog/Digital I/O; ADC2 channel |
| Pin 6 | RA5 — Analog/Digital I/O; ADC2 channel |
| Pin 7 | RA6 — Digital I/O; OSC2 |
| Pin 8 | RA7 — Digital I/O; OSC1 |
| Pin 9 | VDD — Power supply |
| Pin 10 | VSS — Ground |
| Pin 11 | RB0 — Digital I/O; PPS-capable |
| Pin 12 | RB1 — Digital I/O; PPS-capable |
| Pin 13 | RB2 — Digital I/O; PPS-capable |
| Pin 14 | RB3 — Digital I/O; PPS-capable |
| Pin 15 | RB4 — Digital I/O; PPS-capable |
| Pin 16 | RB5 — Digital I/O; PPS-capable |
| Pin 17 | RB6 — Digital I/O; ICSPCLK |
| Pin 18 | RB7 — Digital I/O; ICSPDAT |
| Pin 19 | RC0 — Digital I/O; PPS-capable |
| Pin 20 | RC1 — Digital I/O; PPS-capable |
| Pin 21 | RC2 — Digital I/O; PPS-capable |
| Pin 22 | RC3 — Digital I/O; PPS-capable |
| Pin 23 | RC4 — Digital I/O; PPS-capable |
| Pin 24 | RC5 — Digital I/O; PPS-capable |
| Pin 25 | RC6 — Digital I/O; PPS-capable |
| Pin 26 | RC7 — Digital I/O; PPS-capable |
| Pin 27 | AVSS — Analog ground |
| Pin 28 | AVDD — Analog power supply |
Typical Applications
PIC18F27Q10-E/ML is suitable for 6 applications: Industrial Sensor Node, BLDC / PMSM Motor Control, IoT Edge Node with Low-Power Sleep, LED Lighting and Dimming Control, Small Appliance Control Board, Automotive Body and Comfort Modules.
Industrial Sensor Node
The PIC18F27Q10-E/ML is engineered for robust industrial sensor nodes where 5V noise immunity is critical. The integrated 10-bit ADC2 with Computation performs hardware oversampling and averaging at up to 200 ksps, reducing firmware overhead for thermocouple, strain-gauge or 4-20 mA loop conversions. The 5V-tolerant I/O connects directly to legacy 5V industrial sensors without level shifters, and the XLP sleep mode below 1 uA enables multi-year battery life on 2x AA cells for remote wireless sensor deployments.
Recommended
BLDC / PMSM Motor Control
The PIC18F27Q10-E/ML drives small BLDC and PMSM motors up to several hundred watts using the integrated Configurable Waveform Generator (CWG) with hardware dead-band and complementary outputs. The 4 CLC modules build zero-crossing detection, fault interlocks and back-EMF timing in firmware-free hardware, while ADC2's hardware triggering synchronizes current sampling to the PWM center. Combined with the 64MHz core and 128KB Flash, this MCU executes sensorless FOC and 6-step commutation algorithms with deterministic interrupt response.
Recommended
IoT Edge Node with Low-Power Sleep
The PIC18F27Q10-E/ML belongs to Microchip's XLP family with sub-uA sleep currents ideal for battery-backed IoT edge nodes. The on-chip RTCC, windowed WDT and multiple low-power peripherals allow the MCU to wake on sensor threshold, schedule wake-up events and transmit over SPI/UART, then return to deep sleep. The 64MHz internal HFINTOSC eliminates external crystals, and 1024B EEPROM stores device identity, calibration and rolling counters across power cycles.
Recommended
LED Lighting and Dimming Control
The PIC18F27Q10-E/ML powers digital LED drivers and dimmers where smooth PWM and accurate analog feedback are required. Up to four 16-bit timers and the CWG module drive high-resolution PWM dimming with hardware fade and flicker-free phase shifting, while ADC2 monitors current and temperature for closed-loop thermal management. The 5V-tolerant I/O simplifies interfacing with analog dimmers (0-10V) and DALI bridge ICs used in commercial and architectural lighting fixtures.
Recommended
Small Appliance Control Board
The PIC18F27Q10-E/ML drives control boards in coffee machines, washing machines, air purifiers and other small appliances. It integrates user-interface functions (button scanning with CLC, PWM buzzer control via CCP, LED indicators) with motor/valve control (CWG, timers) and sensor acquisition (ADC2) on a single chip, reducing BOM count. The wide 2.3V-5.5V supply range accepts either rectified mains or low-voltage DC adapters used across appliance product families.
Recommended
Automotive Body and Comfort Modules
Although the standard PIC18F27Q10-E/ML is qualified for industrial -40C to +125C, its CIP-rich architecture is also applied in body and comfort subsystems in automotive aftermarket and non-safety modules. The 5V-tolerant I/O interfaces directly with body-electronics sensors and LIN bus transceivers, while CLC handles wake-up logic and timer capture without CPU intervention. Designers targeting OEM automotive should migrate to a Q-grade or AEC-Q100 equivalent PIC18 variant per Microchip product roadmap.
Recommended
Recommended Products Summary
Engineering reference data for PIC18F27Q10-E/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC18F26Q10-I/ML | PIC18F25Q10-I/ML | PIC18F26Q10-E/ML | PIC18F27K42-I/ML |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN (6x6) | 28-QFN (6x6) - same | 28-QFN (6x6) - same | 28-QFN (6x6) - same | 28-QFN (6x6) - same |
| Core Speed (max) | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| Flash Program Memory | 128 KB | 64 KB (-50%) | 32 KB (-75%) | 64 KB (-50%) | 128 KB (0%) |
| RAM | 3.53 KB | 3.53 KB | 2.04 KB | 3.53 KB | 8 KB |
| EEPROM | 1024 B | 1024 B | 256 B | 1024 B | 1024 B |
| ADC | 10-bit ADC2 | 10-bit ADC2 | 10-bit ADC2 | 10-bit ADC2 | 12-bit ADC2 |
| Operating Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| Temperature Grade | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
Key Differentiators
- Largest Flash in PIC18-Q10 28-QFN family (vs PIC18F26Q10-I/ML)
- Extended temperature grade (-40C to +125C) in same package (vs PIC18F26Q10-I/ML)
- Same package, newer core migration path (vs PIC18F27K42-I/ML)
Design Notes
Estimated: The 28-QFN 6x6mm package requires the exposed pad soldered to a PCB copper pour of at least 0.25 square inch to keep junction temperature within the -40C to +125C operating range. At full 64MHz operation with all peripherals active, typical IDD is below 15 mA, but high-current GPIO toggling plus CWG switching at high frequency can push dissipation higher. Use a 4-layer board with a continuous ground plane beneath the exposed pad for best thermal performance, and follow Microchip AN2503 for QFN PCB layout recommendations.
The PIC18F27Q10's PPS (Peripheral Pin Select) feature lets you remap digital peripherals to most I/O pins, but PPS-locked pins such as debug ICSPCLK/ICSPDAT on RB6/RB7 must remain on their default pins to retain in-circuit debugging. Failure to lock PPS in firmware can also cause unexpected pin reassignment after programming - always set the PPSLOCK register and verify with the Configuration Word. Use MPLAB Code Configurator (MCC) to generate the PPS init sequence safely.
Decouple each VDD pin with a 100nF ceramic capacitor placed within 3 mm of the pin, plus a single 10uF bulk capacitor on the board's power input. Separate analog (AVDD/AVSS) and digital (VDD/VSS) supplies with their own ferrite bead or filter, and connect AVSS to VSS at a single point to avoid ground loops that degrade ADC2 accuracy. For motor-control layouts, keep the CWG complementary outputs as short and balanced as possible and place gate-driver grounds adjacent to the MCU's digital ground.
Compliance Information
PIC18F27Q10-E/ML is RoHS and REACH compliant per Microchip product page. The 'E' suffix denotes Extended industrial temperature grade -40C to +125C but does NOT carry AEC-Q100 automotive qualification; for automotive body modules use a Q-grade PIC18 family variant. Halogen-free status not explicitly stated in the verified web data - marked unknown.
