PIC18LF25K22-E/SP - 32KB Flash 8-bit MCU 28-SPDIP | Microchip
Артикул: PIC18LF25K22-E/SP ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $2.95 | $2,95 |
| 10 | $2.66 | $26,60 |
| 100 | $2.36 | $236,00 |
| 500 | $2.07 | $1.035,00 |
| 1.000 | $1.85 | $1.850,00 |
PIC18LF25K22-E/SP Обзор
An 8-bit microcontroller (MCU) is a single-chip processor with an 8-bit data bus width, integrating CPU, RAM, Flash program memory, peripherals, and I/O on one die. PIC18F/K-series devices sit at the higher-performance end of Microchip's 8-bit portfolio, above baseline PIC10/PIC12/PIC16 families. nanoWatt XLP (eXtreme Low Power) is Microchip's power-management technology targeting sleep currents in the nanoampere range for battery-powered applications. This device belongs to the broader category of MCUs -> microcontrollers -> embedded processors -> semiconductors, enabling direct firmware-driven control of analog and digital peripherals.
Key features include a 10-bit ADC up to 19 channels, multiple PWM modules, Enhanced USART, MSSP (SPI/I2C), and self-programming Flash. The 'LF' wide-Voltage-Range (WVR) silicon supports 1.8V-3.6V operation, allowing direct connection to single-cell Li-Ion or two-AA battery stacks. Internal oscillator blocks and nanoWatt XLP sleep modes reduce active and idle power, supporting long-life coin-cell applications like metering, remote sensors, and wearables.
The PIC18LF25K22 architecture uses a 16-bit modified Harvard bus with an 8-bit data path and 16-bit instruction word, providing C-optimized instruction set and hardware multiply. The 28-SPDIP package is the through-hole version of the family and is ideal for prototyping, breadboarding, and legacy designs that prefer DIP footprints over surface-mount QFN/SOIC. The PIC18 K-series brought significantly improved ADC performance and richer peripherals over the older F-series, while retaining instruction-set compatibility.
Typical applications include low-power wireless sensor nodes, battery-powered instrumentation, industrial control modules, and consumer appliances with user interfaces. The wide VDD range and deep sleep modes make it attractive for IoT edge devices that sleep most of the time and burst-transmit on wake events.
When designing with the 28-SPDIP variant, allocate board area for the 0.1" pin pitch and provide adequate decoupling close to VDD/VSS pairs. For new designs targeting smallest PCB area, the same die is also available in 28-SOIC and 28-QFN packages (PIC18LF25K22-E/SO, PIC18LF25K22-E/ML) for layout flexibility.
This page synthesizes verified distributor inventory, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers rapidly evaluate whether PIC18LF25K22-E/SP fits their 28-SPDIP socket design.
Аналоги без доработки для PIC18LF25K22-E/SP — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с PIC18LF25K22-E/SP (тот же форм-фактор и посадочное место) — отличается по Package, ADC, MSL Level, Operating Temperature, Timers.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
PIC18LF25K22-I/SP
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
PIC18F25K22-E/SP
✅ Прямая замена✓ В наличии
$2.38 / шт.
Открыть даташит →PIC18LF26K22-E/SP
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
PIC18LF24K22-E/SP
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
PIC18LF23K22-E/SP
✅ Прямая замена✓ В наличии
$1.94 / шт.
Открыть даташит →PIC18F25K22-I/SP
✅ Прямая замена✓ В наличии
$2.45 / шт.
Открыть даташит →PIC18LF25K40-I/SP
✅ Прямая замена✓ В наличии
$1.74 / шт.
Открыть даташит →PIC18LF25K22-E/SP Максимальные параметры и электрические характеристики
| Product Type | 8-bit Microcontroller (MCU) |
| Family | PIC18F K-series with nanoWatt XLP Technology |
| Program Memory (Flash) | 32 KB (16K x 16) |
| RAM | 1536 B |
| Data EEPROM | 256 B (typical for K-series family) |
| CPU Clock Speed (Max) | 48 MHz (LF: 16 MIPS at 3V) |
| Operating Voltage Range (LF) | 1.8 V to 3.6 V |
| Диапазон рабочих температур | -40 C to +125 C (E suffix = extended industrial) |
| Корпус | 28-pin SPDIP (Plastic DIP) |
| Число выводов | 28 |
| Тип монтажа | Through-Hole (DIP) |
| I/O Pins | 24 (approximate for 28-pin package family) |
| ADC | 10-bit, multi-channel (typical for family) |
| Communication | EUSART, MSSP (SPI/I2C I2C) |
| Low-Power Technology | nanoWatt XLP (eXtreme Low Power) |
| Статус RoHS | Compliant |
| Уровень MSL | Not applicable (through-hole package) |
Конфигурация выводов PIC18LF25K22-E/SP
| Контакт 1 | MCLR/RE3 — Master Clear (reset) input or digital I/O pin RE3 |
| Контакт 2 | RA0/AN0 — Digital I/O RA0 or analog input AN0 |
| Контакт 3 | RA1/AN1 — Digital I/O RA1 or analog input AN1 |
| Контакт 4 | RA2/AN2 — Digital I/O RA2 or analog input AN2 |
| Контакт 5 | RA3/AN3 — Digital I/O RA3 or analog input AN3 |
| Контакт 6 | RA4 — Digital I/O RA4 |
| Контакт 7 | VDD — Positive supply voltage |
| Контакт 8 | VSS — Ground reference |
| Контакт 9 | RA7/OSC1 — Digital I/O RA7 or oscillator input |
| Контакт 10 | RA6/OSC2 — Digital I/O RA6 or oscillator output |
| Контакт 11 | RC0 — Digital I/O RC0 |
| Контакт 12 | RC1 — Digital I/O RC1 |
| Контакт 13 | RC2 — Digital I/O RC2 |
| Контакт 14 | RC3 — Digital I/O RC3 |
| Контакт 15 | RC4 — Digital I/O RC4 |
| Контакт 16 | RC5 — Digital I/O RC5 |
| Контакт 17 | RC6 — Digital I/O RC6 |
| Контакт 18 | RC7 — Digital I/O RC7 |
| Контакт 19 | VSS — Ground reference |
| Контакт 20 | VDD — Positive supply voltage |
| Контакт 21 | RB0 — Digital I/O RB0 |
| Контакт 22 | RB1 — Digital I/O RB1 |
| Контакт 23 | RB2 — Digital I/O RB2 |
| Контакт 24 | RB3 — Digital I/O RB3 |
| Контакт 25 | RB4 — Digital I/O RB4 |
| Контакт 26 | RB5 — Digital I/O RB5 |
| Контакт 27 | RB6/PGC — Digital I/O RB6 or ICSP clock |
| Контакт 28 | RB7/PGD — Digital I/O RB7 or ICSP data |
Типичное применение
PIC18LF25K22-E/SP подходит для 7 применениеs: Battery-Powered Wireless Sensor Node, Industrial Control Module, Smart Metering End-Point, Consumer Appliance Control Board, Portable Medical Monitoring Device, Educational / Hobbyist Development Platform, Automotive Body Electronics (Non-Safety).
Battery-Powered Wireless Sensor Node
The PIC18LF25K22-E/SP is purpose-built for battery-powered wireless sensor nodes. Its nanoWatt XLP technology delivers sleep currents in the nanoampere range, while the 1.8V-3.6V LF operating range supports direct connection to single-cell Li-Ion or 2xAA batteries. The 32 KB Flash holds sensor-fusion and protocol stack code for Sub-GHz or BLE co-processor designs. Its 28-SPDIP package is friendly to prototype wireless boards where through-hole RF headers and antenna connectors are preferred. Pair with MCP9808 temperature sensor and RN2483 LoRa module.
Рекомендуется
Industrial Control Module
The PIC18LF25K22-E/SP fits industrial control modules where 28-SPDIP is preferred for rugged through-hole assembly. Its -40C to +125C extended industrial temperature grade handles factory ambient extremes, and the 1536 B RAM supports Modbus RTU or CANOpen stack buffering. The 10-bit ADC handles 4-20 mA analog sensor inputs with proper scaling, while EUSART drives RS-485 transceivers like ISL3179 directly. Drop-in upgrades to PIC18LF26K22-E/SP exist if more memory is needed.
Рекомендуется
Smart Metering End-Point
For electricity, water, or gas metering end-points, the PIC18LF25K22-E/SP offers the right mix of low power, precision ADC, and integrated peripherals. The 10-bit ADC with internal voltage reference captures pulse outputs from metering sensors accurately, while nanoWatt XLP sleep modes stretch battery life beyond 10 years on a typical meter's lithium primary cell. The 28-SPDIP package is favored in metering designs for its mechanical reliability through assembly and field-serviceability. Communication is via EUSART to a wireless M-Bus or LoRaWAN module.
Рекомендуется
Consumer Appliance Control Board
The PIC18LF25K22-E/SP serves well in consumer appliance control boards (small kitchen appliances, white goods user interfaces, HVAC thermostats). Its 32 KB Flash accommodates graphical user interface state machines plus sensor processing, while 1536 B RAM is sufficient for display buffer rotation. The LF 1.8V-3.6V range simplifies power design when the appliance uses a 3.3V LDO downstream of a rectified mains supply. PWM outputs drive TRIAC or MOSFET-based load control. Recommend pairing with ULN2003A for relay driving.
Рекомендуется
Portable Medical Monitoring Device
Portable medical devices benefit from PIC18LF25K22-E/SP's low power consumption and wide operating voltage. nanoWatt XLP technology preserves patient response times, and the 1.8V-3.6V range supports single-cell Li-Ion or rechargeable coin cells common in wearable health monitors. The 28-SPDIP package aids through-hole assembly for prototyping and low-volume clinical trial builds. 10-bit ADC handles pulse oximeter or ECG front-end signal acquisition when paired with low-noise op-amps. Pair with MCP6002 op-amp and ADXL345 accelerometer.
Рекомендуется
Educational / Hobbyist Development Platform
The PIC18LF25K22-E/SP is an excellent microcontroller for educational and hobbyist development platforms. Its 28-SPDIP through-hole package is breadboard-compatible without soldering, making it ideal for university courses, maker workshops, and DIY prototyping. The 32 KB Flash holds substantial firmware projects from LED blinkers to sensor systems, and the nanoWatt XLP technology teaches low-power design principles. Developers can use the PICkit 4 in-circuit debugger and MPLAB X IDE for free firmware development. Recommend pairing with PICkit 4 programmer and MikroElektronika development kit.
Рекомендуется
Automotive Body Electronics (Non-Safety)
For non-safety automotive body electronics (interior lighting, HVAC blend doors, seat controllers), the PIC18LF25K22-E/SP provides sufficient processing power while operating across -40C to +125C automotive underhood temperature range. Its LF 1.8V-3.6V range simplifies integration with 3.3V regulated rails common in body control modules. The 28-SPDIP package is preferred by some Tier-1 automotive suppliers for its vibration tolerance through assembly. Note: This part is NOT AEC-Q100 qualified - for safety-critical applications use PIC18F25K22-E/SP-Q1 variants.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для PIC18LF25K22-E/SP — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | PIC18LF25K22-I/SP | PIC18F25K22-E/SP | PIC18LF26K22-E/SP | PIC18LF24K22-E/SP | PIC18LF23K22-E/SP |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SPDIP | 28-SPDIP (same) | 28-SPDIP (same) | 28-SPDIP (same) | 28-SPDIP (same) | 28-SPDIP (same) |
| Program Memory (Flash) | 32 KB | 32 KB | 32 KB | 64 KB | 16 KB | 8 KB |
| RAM | 1536 B | 1536 B | 1536 B | 3896 B | 768 B | 512 B |
| Operating Voltage Range | 1.8 V to 3.6 V (LF) | 1.8 V to 3.6 V (LF) | 2.3 V to 5.5 V (F) | 1.8 V to 3.6 V (LF) | 1.8 V to 3.6 V (LF) | 1.8 V to 3.6 V (LF) |
| Max CPU Clock | 48 MHz | 48 MHz | 64 MHz | 48 MHz | 48 MHz | 48 MHz |
| Temperature Grade | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +125C (Extended) |
| Low-Power Technology | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP |
| Architecture | 8-bit PIC18 modified Harvard | 8-bit PIC18 modified Harvard | 8-bit PIC18 modified Harvard | 8-bit PIC18 modified Harvard | 8-bit PIC18 modified Harvard | 8-bit PIC18 modified Harvard |
Ключевые отличия
- Wider low-voltage operating range than F variant (против PIC18F25K22-E/SP)
- 2x code density with drop-in footprint (против PIC18LF24K22-E/SP)
- Pin-compatible upgrade path to 64 KB memory (против PIC18LF26K22-E/SP)
Заметки по проектированию
Estimated: at 3.3V VDD and 48 MHz active CPU clock with all peripherals enabled, the PIC18LF25K22-E/SP typical active current is approximately 8-12 mA; at deep sleep with WDT disabled, sleep current falls below 100 nA. For battery-powered designs, minimize active duty cycle and use Sleep mode aggressively. Place a 100 nF decoupling capacitor as close as possible to each VDD pin (pins 7 and 20) and a bulk 10 uF tantalum or ceramic capacitor at the supply entry point. The wide VDD range 1.8V-3.6V eliminates the need for an LDO when using 2xAA batteries.
Place a 100 nF ceramic decoupling capacitor within 5 mm of each VDD/VSS pin pair (pins 7/8 and pins 19/20). Use a star-ground or solid ground plane to keep digital switching noise away from the analog ADC inputs (AN0-AN7). Keep crystal traces (OSC1 pin 9, OSC2 pin 10) short and symmetric to avoid stray capacitance that can shift the oscillator frequency. When using the internal HFINTOSC instead of an external resonator, leave OSC1/OSC2 as standard digital I/O and route the trace stubs short. The 28-SPDIP 0.1" pin pitch provides generous routing channels - take advantage of it.
Never leave MCLR floating - tie it to VDD through a 10 kohm resistor and add a 100 nF capacitor for debouncing, or configure it as RE3 digital I/O via the CONFIG3H register. Do not exceed 3.6V on VDD for the LF variant (4V will permanently damage the silicon). When migrating from PIC18F25K22 code, verify all configuration bits are correct for the LF voltage range - the F-version default configuration may enable peripherals not safe for 1.8V operation. Always verify the oscillator settings against datasheet Figure 4-1 before programming.
Информация о соответствии
RoHS and REACH compliant per Microchip product page. Lead-free and halogen-free packaging. NOT AEC-Q100 qualified; for safety-critical automotive applications use the -Q1 suffix variant (not available for this exact MPN).
