PIC16LF18425-E/JQ - 14KB Flash XLP 8-bit MCU 16-UQFN | Microchip
MPN: PIC16LF18425-E/JQ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.05 | $2.05 |
| 10 | $1.85 | $18.50 |
| 100 | $1.62 | $162.00 |
| 500 | $1.41 | $705.00 |
| 1,000 | $1.18 | $1,180.00 |
PIC16LF18425-E/JQ Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and a set of peripherals such as timers, ADCs, communication ports, and general-purpose I/O into a single IC. PIC16F microcontrollers sit in the broader taxonomy of embedded controllers -> microcontroller -> 8-bit MCU -> PIC architecture -> low-power XLP family. The PIC16LF18425 inherits Microchip's enhanced mid-range core with a hardware multiplier, a 49-instruction set, and a 16-level hardware stack, and is paired with rich on-chip analog and CIP peripherals.
Key features include a 12-bit ADC with Computation (ADCC) supporting averaging, filtering, and threshold comparison; a 5-bit/8-bit DAC; two comparators; a Complementary Waveform Generator (CWG); two 10-bit PWMs with independent time bases; an EUSART supporting RS-232/RS-485; an SPI/I2C MSSP; a 32 kHz internal oscillator; and configurable logic cells (CLC) for hardware state-machine functions without CPU intervention. Up to 12 I/O pins are available on the 16-UQFN.
The architecture separates an 8-bit data path from a 14-bit instruction word, allowing a single instruction to reference a full 14 KB Flash address space. The internal 32 MHz oscillator is factory calibrated to ±1 % over temperature and voltage, and the HFINTOSC plus LFINTOSC combine with the Fail-Safe Clock Monitor to provide robust low-power and clock-loss recovery.
Typical applications include IoT sensor nodes, low-power wireless sensor endpoints (LoRa/BLE co-processors), battery-powered wearables, handheld instrumentation, automotive body and lighting modules, smart thermostats, capacitive-touch user interfaces, and low-cost motor control. Industrial uses range from PLC analog front-ends to HVAC damper controllers.
Design tip: when migrating from a 5 V PIC16F design, verify that the LF variant's 3.6 V absolute maximum is never crossed at hot-plug or transient events, and place a 100 nF decoupling capacitor within 3 mm of the VDD pin with a solid ground return to the exposed pad.
This page synthesizes current distributor pricing, drop-in alternatives, and practical design notes not available in the manufacturer datasheet alone, providing engineers a one-stop reference for the PIC16LF18425-E/JQ.
Drop-in alternatives for PIC16LF18425-E/JQ — 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 PIC16LF18425-E/JQ (same form factor and footprint) — differing in ADC, Package, Program Memory (Flash), I/O Pins, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF18425-I/JQ
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF18424-I/JQ
✅ Drop-In✓ In Stock
$0.5 / Unit
View Datasheet →PIC16LF18325-E/JQVAO
✅ Drop-In✓ In Stock
$1.95 / Unit
View Datasheet →PIC16LF18424T-I/JQ
✅ Drop-In✓ In Stock
$0.88 / Unit
View Datasheet →PIC16F18425-I/JQ
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16LF18425-E/JQ Maximum Ratings & Electrical Characteristics
| Manufacturer | Microchip Technology |
| Series | PIC® XLP™ 16F |
| Family | PIC16(L)F184xx |
| Core | PIC 8-bit enhanced mid-range |
| Program Memory | 14 KB (8K x 14) Flash |
| RAM | 1 KB (1024 bytes) |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| Operating Temperature | -40 °C to +125 °C (E grade) |
| I/O Pins | 12 (on 16-UQFN) |
| Package | 16-UQFN (4 x 4 mm) with exposed pad |
| ADC | 12-bit ADCC, up to 11 channels |
| DAC | 5-bit / 8-bit DAC |
| Comparators | 2 |
| PWMs | 2 x 10-bit |
| Communication | 1 x EUSART, 1 x MSSP (SPI/I2C) |
| XLP Sleep Current | < 50 nA typical |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC16LF18425-E/JQ Pin Configuration
| Pin 1 | RA5 — GPIO / analog input / ICSPCLK |
| Pin 2 | RA4 — GPIO / analog input |
| Pin 3 | RA3 — GPIO / MCLR#/VPP |
| Pin 4 | RA2 — GPIO / analog input / DAC output |
| Pin 5 | RA1 — GPIO / analog input / ICSPDAT |
| Pin 6 | RA0 — GPIO / analog input |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RB7 — GPIO / analog input |
| Pin 9 | RB6 — GPIO / analog input |
| Pin 10 | RB5 — GPIO / analog input |
| Pin 11 | RB4 — GPIO / analog input |
| Pin 12 | VDD — Positive supply 1.8 V-3.6 V |
| Pin 13 | RB3 — GPIO / analog input |
| Pin 14 | RB2 — GPIO / analog input |
| Pin 15 | RB1 — GPIO / analog input |
| Pin 16 | RB0 — GPIO / analog input |
Typical Applications
PIC16LF18425-E/JQ is suitable for 6 applications: Battery-Powered IoT Sensor Nodes, Wearable Health and Fitness Devices, Automotive Body and Lighting Modules, Industrial Sensor and HVAC Controllers, Handheld Test and Measurement, Low-Cost Motor Control and Fan Drivers.
Battery-Powered IoT Sensor Nodes
The PIC16LF18425-E/JQ is purpose-suited for IoT sensor nodes because its 1.8 V-3.6 V VDD range and XLP sleep current below 50 nA let a CR2032 coin cell or 2xAA pack deliver multi-year service life, while the 12-bit ADCC samples resistive-bridge or temperature signals directly without an external ADC. Its 14 KB Flash fits typical sensor-fusion plus a small protocol stack. Placed as the system controller with the sensor on an analog channel and a LoRa/BLE radio on SPI, it sequences wake-measure-transmit duty cycles while spending the rest of the time in sleep. Trade-off: at 32 MHz CPU, dynamic power rises with active duty, so the firmware should aggregate samples and burst-transmit to keep average draw low.
Recommended
Wearable Health and Fitness Devices
Wearable health and fitness devices benefit from the PIC16LF18425-E/JQ's XLP technology and 32 MHz throughput, allowing continuous heart-rate sampling at low duty cycle while keeping average current draw in the single-digit microamp range on a Li-ion coin cell. The 12-bit ADCC digitizes PPG or bio-zelectric-front-end outputs, and the CWG drives a low-noise LED bias for optical sensors. The 16-UQFN's 4x4 mm footprint fits inside wristbands and patches, while the extended -40 C to +125 C grade supports body-temperature and outdoor-sport profiles. Trade-off: the 1 KB SRAM limits on-chip buffering, so firmware must stream samples to an external flash for long activity sessions.
Recommended
Automotive Body and Lighting Modules
In automotive body-electronics and lighting modules the PIC16LF18425-E/JQ serves as a slave node for LED drivers, RGB interior lighting, and capacitive-touch buttons, leveraging the 12-bit ADCC for ambient-light feedback, the CWG for clean PWM dimming, and the CLC for hardware-timed color transitions without CPU load. The -40 C to +125 C extended temperature grade handles under-dash and engine-bay-adjacent environments. Placed behind a CAN/LIN transceiver, it draws a small quiescent current and wakes on LIN bus traffic. Trade-off: LIN/CAN stacks require firmware footprint close to the 14 KB limit, so this part suits simple slave nodes more than gateway ECUs.
Recommended
Industrial Sensor and HVAC Controllers
The PIC16LF18425-E/JQ suits industrial 4-20 mA loop-powered sensors and HVAC damper/valve controllers, where its 12-bit ADCC reads ratiometric bridge signals with hardware averaging, the 5/8-bit DAC generates precise 0-10 V or 4-20 mA outputs, and the CLC removes the CPU from PWM-driven actuator loops. The 32 MHz core executes PID loops at sub-millisecond intervals, while the EUSART bridges to RS-485 multi-drop networks. Trade-off: 1 KB SRAM limits loop buffer size, so the firmware should batch process variable updates to avoid overflow on long frames.
Recommended
Handheld Test and Measurement
Handheld multimeters, cable testers, and low-cost oscilloscope probes use the PIC16LF18425-E/JQ to drive an LCD, scan a keypad, and run self-calibration routines from internal EEPROM, while the 12-bit ADCC samples up to 11 analog channels including the measurement front-end. The PWMs generate audible beeps and the CWG drives a boost converter for the LCD bias. Trade-off: the 1.8-3.6 V VDD requires a boost or LDO when a 9 V battery is the source, so plan the power tree accordingly.
Recommended
Low-Cost Motor Control and Fan Drivers
Brushless-DC fan and small stepper-motor drivers benefit from the PIC16LF18425-E/JQ's CWG, two 10-bit PWMs, and 32 MHz timing resolution, which together deliver center-aligned PWM and dead-band control without external logic. The 12-bit ADCC reads back-EMF or current-sense signals for closed-loop commutation. Placed at the heart of a 3-phase BLDC driver, it sequences six-step or sinusoidal commutation while consuming only a few milliamps. Trade-off: 1 KB RAM constrains field-oriented-control state, so this part suits trapezoidal BLDC commutation more than full FOC.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF18425-E/JQ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF18425-I/JQ | PIC16LF18424-I/JQ | PIC16LF18325-E/JQ | PIC16LF18424T-I/JQ | PIC16F18425-I/JQ |
|---|---|---|---|---|---|---|
| Package | 16-UQFN (JQ) | 16-UQFN (JQ) | 16-UQFN (JQ) | 16-UQFN (JQ) | 16-UQFN (JQ) | 16-UQFN (JQ) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory | 14 KB Flash | 14 KB Flash | 7 KB Flash (-50%) | 7 KB Flash (-50%) | 7 KB Flash (-50%) | 14 KB Flash |
| RAM | 1 KB | 1 KB | 512 B (-50%) | 512 B (-50%) | 512 B (-50%) | 1 KB |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 1.8 V - 3.6 V | 1.8 V - 3.6 V | 1.8 V - 3.6 V | 1.8 V - 3.6 V | 1.8 V - 3.6 V | 2.3 V - 5.5 V (F variant) |
| Temperature Grade | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) |
| 12-bit ADCC | Yes | Yes | Yes | No | Yes | Yes |
| CWG Peripheral | Yes | Yes | Yes | No | Yes | Yes |
| Unit Price @ 1k (USD) | 1.18 | 1.12 | 1.02 | 0.95 | 1.05 | 1.18 |
Key Differentiators
- Highest Flash density in the 16-UQFN LF family (vs PIC16LF18424-I/JQ)
- Includes 12-bit ADCC and CWG peripherals (vs PIC16LF18325-E/JQ)
- Extended -40 C to +125 C temperature grade (vs PIC16LF18425-I/JQ)
- Low-voltage XLP operation (vs PIC16F18425-I/JQ)
Design Notes
Estimated: at 32 MHz active CPU and 3.3 V VDD, the PIC16LF18425-E/JQ draws roughly 2.5 mA active. With a typical sensor-firmware duty cycle of 1% active, average draw stays in the 30-50 uA range. In sleep the XLP mode drops current below 50 nA. Place a 100 nF decoupling capacitor within 3 mm of the VDD pin (pin 12) and tie the 16-UQFN exposed pad to a solid ground pour to minimize supply-induced jitter on the ADC.
Route the ICSPCK/ICSPDAT signals (RA1/RA0 or RA4/RA5 depending on configuration) with short traces and a guard ground to preserve debug-session reliability. Keep analog traces (RA0-RA5, RB0-RB7) away from PWM outputs (CWG) to avoid coupling into ADC measurements, and provide a star-ground topology if the design mixes high-current motor loads with low-current analog signals.
Do not exceed 3.6 V on VDD - the LF variant lacks the F variant's 5 V tolerance. Confirm the -E temperature grade (-40 C to +125 C) is needed; if the upper limit is 85 C the PIC16LF18425-I/JQ can be a cheaper substitute. Verify the chosen alternative's Flash size (7 KB vs 14 KB) before committing firmware; code compiled for 14 KB will not fit in 7 KB without a memory map rework.
When using the 12-bit ADCC at full 32 MHz CPU clock, sample-and-hold acquisition time is reduced. Insert a NOP_instruction or reduce CPU clock during ADC conversions to maintain full-scale accuracy, and add a 10 nF RC filter on each analog input pin for noise-sensitive measurements. Use the ADCC's hardware averaging (1-1024 samples) instead of software averaging when measuring low-frequency sensor outputs.
Compliance Information
RoHS/REACH compliance per Microchip product page. Not AEC-Q100 qualified; for automotive-grade equivalent consult Microchip's AEC-Q100 line. Halogen-free status not confirmed in the verified web data - set to unknown.
