PIC16LF18425-E/JQ - 14KB Flash XLP 8-bit MCU 16-UQFN | Microchip
MPN: PIC16LF18425-E/JQ ✓ نشطPIC16LF18425-E/JQ نظرة عامة
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.
بدائل مباشرة لـ PIC16LF18425-E/JQ — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع PIC16LF18425-E/JQ (نفس عامل الشكل والبصمة) — يختلف في ADC, Package, Program Memory (Flash), Core Architecture, I/O Pins.
PIC16LF18425-I/JQ
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
PIC16LF18424-I/JQ
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16LF18325-E/JQVAO
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16LF18424T-I/JQ
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16F18425-I/JQ
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16LF18425-E/JQ الحدود القصوى والخصائص الكهربائية
| 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 |
| درجة حرارة التشغيل | -40 °C to +125 °C (E grade) |
| I/O Pins | 12 (on 16-UQFN) |
| العلبة | 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 |
| نوع التركيب | Surface Mount |
| حالة RoHS | Compliant |
تكوين أطراف PIC16LF18425-E/JQ
| دبوس 1 | RA5 — GPIO / analog input / ICSPCLK |
| دبوس 2 | RA4 — GPIO / analog input |
| دبوس 3 | RA3 — GPIO / MCLR#/VPP |
| دبوس 4 | RA2 — GPIO / analog input / DAC output |
| دبوس 5 | RA1 — GPIO / analog input / ICSPDAT |
| دبوس 6 | RA0 — GPIO / analog input |
| دبوس 7 | VSS — Ground reference |
| دبوس 8 | RB7 — GPIO / analog input |
| دبوس 9 | RB6 — GPIO / analog input |
| دبوس 10 | RB5 — GPIO / analog input |
| دبوس 11 | RB4 — GPIO / analog input |
| دبوس 12 | VDD — Positive supply 1.8 V-3.6 V |
| دبوس 13 | RB3 — GPIO / analog input |
| دبوس 14 | RB2 — GPIO / analog input |
| دبوس 15 | RB1 — GPIO / analog input |
| دبوس 16 | RB0 — GPIO / analog input |
التطبيقات النموذجية
PIC16LF18425-E/JQ مناسب لـ 6 التطبيقs: 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.
موصى به
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.
موصى به
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.
موصى به
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.
موصى به
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.
موصى به
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.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ PIC16LF18425-E/JQ — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | 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 |
أبرز الفروقات
- Highest Flash density in the 16-UQFN LF family (مقابلPIC16LF18424-I/JQ)
- Includes 12-bit ADCC and CWG peripherals (مقابلPIC16LF18325-E/JQ)
- Extended -40 C to +125 C temperature grade (مقابلPIC16LF18425-I/JQ)
- Low-voltage XLP operation (مقابلPIC16F18425-I/JQ)
ملاحظات التصميم
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.
معلومات الامتثال
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.
