PIC16LF1518-I/SP - 8-bit 20MHz XLP MCU 28KB Flash | Microchip
Артикул: PIC16LF1518-I/SP ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $2.3 | $2,30 |
| 10 | $2.07 | $20,70 |
| 100 | $1.79 | $179,00 |
| 500 | $1.61 | $805,00 |
| 1.000 | $1.45 | $1.450,00 |
PIC16LF1518-I/SP Обзор
An 8-bit PIC microcontroller is a compact, Harvard-architecture RISC processor that integrates Flash program memory, SRAM, EEPROM, and a rich set of peripherals (ADC, timers, PWM, communication interfaces) into a single IC. Within the broader semiconductor hierarchy, this part sits as a microcontroller -> embedded controller -> standard logic IC, optimized for low-power, deterministic, cost-sensitive applications where a full 32-bit MCU would be overkill.
Key differentiating features include 17 channels of 10-bit ADC with voltage reference, 25mA source/sink capability on I/O lines for direct LED driving, two 8-bit timers (TMR0/TMR2), one 16-bit timer (TMR1), an extended watchdog timer (WDT), programmable ultra-low-power brown-out reset (ULPBOR), and ICSP (In-Circuit Serial Programming) plus in-circuit debug support. The XLP technology enables deep-sleep currents in the microamp range for battery-powered designs.
The device is built on Microchip's enhanced mid-range core with a 14-bit instruction word and a hardware multiplier, executing most instructions in a single instruction cycle. The 28-SPDIP package provides easy through-hole prototyping and breadboarding, with all digital and analog I/O brought out to the pins. The integrated 10-bit ADC can be paired with the on-chip voltage reference for accurate sensor measurements.
Typical applications include battery-powered sensor nodes, LED lighting controllers, low-power IoT edge devices, consumer appliance controls, and industrial sensor front-ends. The combination of low-voltage operation (down to 1.8V), eXtreme Low Power sleep modes, and 17 ADC channels makes it well-suited for multi-channel analog monitoring.
When designing with this MCU, ensure decoupling capacitors of 0.1uF are placed within a few millimeters of VDD, and consider using the on-chip voltage reference for ADC measurements when supply accuracy is insufficient. The MCLR pin should be tied to VDD through a 10k resistor for normal operation, or to a debugger for ICSP programming.
This page synthesizes distributor pricing, drop-in compatible XLP-family alternatives, and practical design notes that are not always found in the manufacturer datasheet alone.
Аналоги без доработки для PIC16LF1518-I/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 PIC16LF1518-I/SP (тот же форм-фактор и посадочное место) — отличается по Timers, ADC, Brown-Out Reset, MSL Level, Operating Temperature.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
PIC16F1518-I/SP
✅ Прямая замена✓ В наличии
$1.86 / шт.
Открыть даташит →PIC16LF1518-E/SP
✅ Прямая замена✓ В наличии
$1.18 / шт.
Открыть даташит →PIC16LF1518-I/SP Максимальные параметры и электрические характеристики
| Family | PIC PIC 16F |
| Core | PIC 8-bit Enhanced Mid-Range |
| Instruction Word Width | 14 bits |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| Data RAM | 1024 bytes |
| Maximum CPU Clock | 20 MHz |
| Supply Voltage (Vdd) | 1.8 V to 3.6 V |
| ADC | 10-bit, 17 channels |
| Timers | 2 x 8-bit (TMR0/TMR2), 1 x 16-bit (TMR1) |
| Watchdog Timer | Extended WDT |
| Brown-Out Reset | Programmable Ultra Low-Power BOR (ULPBOR) |
| I/O Source/Sink Current | 25 mA per pin |
| Programming/Debug | ICSP and In-Circuit Debug |
| Корпус | 28-pin SPDIP (Skinny Plastic DIP, 0.300 inch / 7.62mm row spacing) |
| Рабочая температура | -40 C to +85 C (Industrial) |
| Тип монтажа | Through-Hole |
| Статус RoHS | Compliant |
Конфигурация выводов PIC16LF1518-I/SP
| Контакт 1 | MCLR/Vpp/RE3 — Master Clear (reset) input / programming voltage / digital input only on RE3 |
| Контакт 2 | RA0 — Digital I/O / AN0 (ADC input) |
| Контакт 3 | RA1 — Digital I/O / AN1 (ADC input) |
| Контакт 4 | RA2 — Digital I/O / AN2 (ADC input) |
| Контакт 5 | RA3 — Digital I/O / AN3 (ADC input) / Vref+ |
| Контакт 6 | RA4 — Digital I/O / AN4 (ADC input) / Timer0 clock input |
| Контакт 7 | RA5 — Digital I/O / AN5 (ADC input) / Timer2 clock input |
| Контакт 8 | VSS — Ground reference |
| Контакт 9 | RA7 — Digital I/O / OSC1 (external crystal input) |
| Контакт 10 | RA6 — Digital I/O / OSC2 (external crystal output) |
| Контакт 11 | RC0 — Digital I/O / AN16 (ADC input) / PWM output |
| Контакт 12 | RC1 — Digital I/O / AN6 (ADC input) |
| Контакт 13 | RC2 — Digital I/O / AN7 (ADC input) / PWM output |
| Контакт 14 | RC3 — Digital I/O / AN8 (ADC input) / PWM output |
| Контакт 15 | RC4 — Digital I/O / AN9 (ADC input) / PWM output |
| Контакт 16 | RC5 — Digital I/O / AN10 (ADC input) / PWM output |
| Контакт 17 | RC6 — Digital I/O / AN11 (ADC input) / TX (UART transmit) |
| Контакт 18 | RC7 — Digital I/O / AN12 (ADC input) / RX (UART receive) |
| Контакт 19 | VSS — Ground reference (second VSS pin) |
| Контакт 20 | VDD — Positive supply voltage (1.8V to 3.6V) |
| Контакт 21 | RB0 — Digital I/O / AN13 (ADC input) / INT (external interrupt) |
| Контакт 22 | RB1 — Digital I/O / AN14 (ADC input) |
| Контакт 23 | RB2 — Digital I/O / AN15 (ADC input) |
| Контакт 24 | RB3 — Digital I/O / AN17 (ADC input) / PGM (low-voltage programming) |
| Контакт 25 | RB4 — Digital I/O / SCL (I2C clock) |
| Контакт 26 | RB5 — Digital I/O / SDA (I2C data) |
| Контакт 27 | RB6 — Digital I/O / PGC (ICSP clock) / ICSPCLK |
| Контакт 28 | RB7 — Digital I/O / PGD (ICSP data) / ICSPDAT |
Типичное применение
PIC16LF1518-I/SP подходит для 6 применениеs: Battery-Powered Sensor Node, LED Lighting Controller, Industrial Sensor Front-End, Consumer Appliance Control, IoT Edge Device Controller, Hobbyist and Educational Embedded Platform.
Battery-Powered Sensor Node
The PIC16LF1518-I/SP fits battery-powered sensor nodes because its 1.8V minimum Vdd allows operation from a single discharged Li-ion cell, while XLP sleep currents in the microamp range extend battery life to months or years. The 17-channel 10-bit ADC accepts multiple analog sensors (temperature, light, humidity) without external multiplexer. Placed between the battery and the sensor array, the MCU wakes periodically, samples via ADC, transmits via UART or I2C, and returns to sleep - all under firmware control. Trade-off: the 28KB Flash limits on-board protocol stacks, so choose PIC16LF1517/1518 with attention to memory headroom for OTA bootloader.
Рекомендуется
LED Lighting Controller
The PIC16LF1518-I/SP suits LED lighting controllers because its 25mA source/sink per I/O pin directly drives low-current indicator LEDs and logic-level MOSFET gates without external driver buffers. The 10-bit PWM resolution (via Capture/Compare/PWM peripheral) provides smooth dimming control, while the 1.8V minimum Vdd enables efficient 2-AA battery operation. Placed on the LED driver board, the MCU reads a button or potentiometer input via ADC, generates PWM outputs to the MOSFET gates, and applies fade curves in firmware. The integrated voltage reference (FVR) ensures consistent LED color and brightness across Vdd variations.
Рекомендуется
Industrial Sensor Front-End
The PIC16LF1518-I/SP fits industrial sensor front-ends because its 17-channel 10-bit ADC multiplexes multiple analog sensors (pressure, flow, level) on a single MCU, while the industrial -40C to +85C temperature range handles factory floor environments. The integrated ULPBOR protects against brown-out during motor inrush events. Placed between the 24V-to-3.3V regulator and the sensor array, the MCU digitizes analog signals, applies digital filtering in firmware, and reports results via RS-485 or 4-20mA loop. The 28KB Flash accommodates Modbus RTU protocol stacks and calibration tables.
Рекомендуется
Consumer Appliance Control
The PIC16LF1518-I/SP fits consumer appliance controls (coffee makers, blenders, washing machines) because its low cost (under $2.50 in 1k quantities) and integrated peripherals (ADC, timers, PWM) replace multiple discrete components. The 25mA I/O capability drives relays and triac gates directly. Placed on the main control board, the MCU reads user inputs from buttons or capacitive touch sensors, drives motor control outputs via PWM, monitors temperature via ADC, and implements safety timers via hardware WDT. The ICSP debug port allows in-circuit firmware updates during production.
Рекомендуется
IoT Edge Device Controller
The PIC16LF1518-I/SP fits IoT edge device controllers because its 1.8V minimum Vdd allows direct connection to single-cell Li-ion batteries, while XLP deep-sleep reduces average current to under 1uA for years of battery life. The 10-bit ADC reads battery voltage and sensor inputs, and the 25mA I/O drives status LEDs and wake-up interrupts. Placed alongside a Wi-Fi or BLE module, the PIC acts as a low-power pre-processor that wakes the radio only when sensor thresholds are exceeded, dramatically extending battery life. The 28KB Flash accommodates edge-AI inference models for simple classification tasks.
Рекомендуется
Hobbyist and Educational Embedded Platform
The PIC16LF1518-I/SP fits hobbyist and educational projects because its 28-SPDIP through-hole package is breadboard-friendly and easy to hand-solder, while Microchip's free MPLAB X IDE and XC8 compiler support the PIC16F151x family out of the box. The 28KB Flash accommodates introductory C programs with UART, I2C, ADC, and PWM examples, and ICSP allows in-circuit debugging via PICkit 3 or MPLAB Snap. Placed on a solderless breadboard, students can learn embedded fundamentals with a real-world industrial MCU. Trade-off: the 28-SPDIP package is larger than hobbyist favorites like ATmega328P, but toolchain support and peripherals are excellent.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для PIC16LF1518-I/SP — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | PIC16F1518-I/SP | PIC16LF1518-E/SP |
|---|---|---|---|
| Package | 28-SPDIP (through-hole) | 28-SPDIP (through-hole) | 28-SPDIP (through-hole) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Supply Voltage Range | 1.8V to 3.6V | 2.3V to 5.5V | 1.8V to 3.6V |
| Flash Memory | 28 KB | 28 KB | 28 KB |
| RAM | 1024 bytes | 1024 bytes | 1024 bytes |
| ADC Resolution / Channels | 10-bit / 17 channels | 10-bit / 17 channels | 10-bit / 17 channels |
| Maximum CPU Clock | 20 MHz | 20 MHz | 20 MHz |
| Operating Temperature Range | -40C to +85C | -40C to +85C | -40C to +125C (Extended) |
| I/O Source/Sink Current | 25 mA | 25 mA | 25 mA |
Ключевые отличия
- Lowest voltage operation in PIC16F151x family (против PIC16F1518-I/SP)
- Industrial temperature range standard (против PIC16LF1518-E/SP)
- 28KB Flash with breadboard-friendly 28-SPDIP package (против PIC16LF1517-I/P)
Заметки по проектированию
Place a 0.1uF decoupling capacitor within 5mm of the VDD pin (pin 20) and another on VSS (pin 19) to suppress switching noise from the internal core. For battery applications drawing <2uA sleep current, use a 10uF bulk capacitor at VDD to handle inrush when the ADC or PWM peripherals activate. The PIC16LF1518's XLP sleep mode draws under 1uA typical with WDT disabled, but enabling ADC or BOR increases sleep current by 10-20uA - disable peripherals before entering sleep for maximum battery life.
The 28-SPDIP through-hole package has 0.300 inch (7.62mm) row spacing and accepts standard 28-pin DIP sockets and breadboards. Route the ICSP signals (PGC/PGD on RB6/RB7) directly to a 6-pin header matching Microchip's PICkit 3 or MPLAB Snap pinout to enable in-circuit debugging. Keep analog input traces (RA0-RA5, RC0-RC2) short and away from digital switching traces (PWM outputs on RC3-RC5) to minimize ADC crosstalk. Use a guard ring around sensitive analog pins when designing 4-layer PCBs.
Do not tie MCLR (pin 1) directly to VDD without a 10k pull-up resistor - this prevents in-circuit programming and can cause intermittent resets during power-up. When using the internal oscillator, verify the IRCF<2:0> bits in OSCCON match your expected Fosc before timing-critical operations (UART, PWM). The 10-bit ADC requires a minimum acquisition time (TACQ) - if sampling too quickly, readings will be low by 1-2 LSB; refer to the datasheet's TACQ calculation table. Finally, the LF variant is for 1.8V-3.6V only; connecting 5V to VDD will damage the silicon permanently.
When using the ADC for ratiometric measurements (e.g., reading a potentiometer or thermistor divider), connect VDD directly to the top of the divider rather than using the on-chip voltage reference. For absolute voltage measurements (e.g., battery voltage), enable the FVR (Fixed Voltage Reference) module and select it as ADC positive reference via the VCFG bits in ADCON1. Route analog and digital grounds as separate nets joined at a single point under the MCU's VSS pin to avoid ground bounce in ADC readings.
Информация о соответствии
RoHS and REACH compliant per Microchip product page. Industrial -40C to +85C temperature grade (I suffix); not AEC-Q100 qualified - automotive applications should consider PIC16F1518-E/SP (extended temperature) or PIC16F1518 with additional qualification review. Lead-free and halogen-free per Microchip environmental compliance documentation.
