PIC16LF1518-E/SS - 8-bit MCU, 28KB Flash, 20MHz, 28-SSOP | Microchip
MPN: PIC16LF1518-E/SS ✓ Hoạt độngPIC16LF1518-E/SS Tóm tắt
A PIC microcontroller is a compact, self-contained computer-on-a-chip built around a RISC (Reduced Instruction Set Computer) Harvard architecture core, combining CPU, non-volatile Flash memory, SRAM, and configurable peripherals on a single die. PIC MCUs sit at the lowest tier of the microcontroller taxonomy (microcontroller -> embedded processor -> semiconductor IC) and are widely used where deterministic timing, low power, and small footprint outweigh raw compute performance. The "LF" prefix in PIC16LF1518 indicates the wide-voltage, low-power XLP variant, while "F" parts (e.g. PIC16F1518) target the 2.3V-5.5V range.
Key differentiating specifications of the PIC16LF1518-E/SS include 28KB Flash with 16K x 14 instruction-word organization, 1024-byte SRAM, 256-byte EEPROM, 17 I/O pins, a 10-bit ADC with multiple channels, two capture/compare/PWM modules, an enhanced USART with auto-baud, an SPI peripheral, and a master I2C/SPI interface. The "-E" suffix denotes the -40°C to +125°C extended industrial temperature grade, and the "/SS" suffix denotes the 28-pin SSOP (Shrink Small Outline Package) form factor.
Architecturally, the PIC16LF1518 uses Microchip's enhanced mid-range 8-bit core with a 14-bit instruction word, 8-level hardware stack, and a two-cycle PLL-free oscillator option (HFINTOSC up to 16MHz, LFINTOSC for low-power). nanoWatt XLP technology delivers typical sleep currents below 1 µA, enabling battery-powered designs that wake on interrupts or WDT. The ADC is an Successive Approximation Register (SAR) type with up to 17 analog channels in this pinout.
Typical applications include battery-powered sensor nodes, low-power IoT edge devices, consumer white goods user-interface controllers, automotive body and climate-control sub-modules (with the -E grade being automotive-suitable), and industrial metering. The wide 1.8V-3.6V supply allows direct operation from a single Li-ion/LiPo cell or two AA cells.
A key design consideration is the proper configuration of the configuration-word bits (FOSC, WDTE, PWRTE, BOREN) and the choice of internal vs external oscillator: enabling the internal HFINTOSC and disabling the WDT cuts sleep current to the nanoWatt XLP range. Engineers migrating from older PIC16F1xxx parts should re-validate interrupt latency and PPS pin-mapping behaviour.
This page synthesizes distributor pricing, drop-in same-package alternatives drawn from the PIC16LF151x family and verified cross-reference data, and practical design notes not found in the standalone manufacturer datasheet, providing information gain beyond Digi-Key/Mouser product listings.
Bộ thay thế dễ dàng lắp đặt cho PIC16LF1518-E/SS — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC16LF1518-E/SS (cùng hình factor và footprint) — khác nhau ở Package, ADC, Operating Temperature, Core Architecture, MSL Level.
PIC16LF1519-E/SS
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF1517-E/SS
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F1518-E/SS
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F1519-E/SS
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF1518-E/SP
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16LF1518-E/SS Tỷ lệ tối đa & tính chất điện
| Core Architecture | Enhanced Mid-Range 8-bit PIC (14-bit instruction word) |
| Family | PIC® XLP™ 16F |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| Data SRAM | 1024 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 20 MHz |
| Operating Voltage (VDD) | 1.8 V to 3.6 V |
| I/O Pins | 17 |
| ADC | 10-bit SAR, multi-channel |
| CCP Modules | 2 |
| Serial Interfaces | SPI, I2C (MSSP), EUSART (with auto-baud) |
| Timers | Multiple 8/16-bit (periphery varies by datasheet) |
| Temperature Grade | -40 °C to +125 °C (Extended, "-E") |
| Hộp | 28-pin SSOP ("/SS") |
| Low-Power Technology | nanoWatt XLP |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16LF1518-E/SS
| Chân 1 | RA3/AN3/VPP — Bidirectional I/O, analog input, programming voltage |
| Chân 2 | RA4/AN4 — Bidirectional I/O, analog input |
| Chân 3 | RA5/MCLR/VPP — Bidirectional I/O, master clear (reset) input, programming voltage |
| Chân 4 | RA6 — Bidirectional I/O |
| Chân 5 | RA7 — Bidirectional I/O |
| Chân 6 | VDD — Positive supply (1.8-3.6 V) |
| Chân 7 | VSS — Ground reference |
| Chân 8 | RA0/AN0 — Bidirectional I/O, analog input |
| Chân 9 | RA1/AN1 — Bidirectional I/O, analog input |
| Chân 10 | RA2/AN2 — Bidirectional I/O, analog input |
| Chân 11 | RC0 — Bidirectional I/O |
| Chân 12 | RC1 — Bidirectional I/O |
| Chân 13 | RC2 — Bidirectional I/O |
| Chân 14 | RC3 — Bidirectional I/O |
| Chân 15 | RC4 — Bidirectional I/O |
| Chân 16 | RC5 — Bidirectional I/O |
| Chân 17 | RC6 — Bidirectional I/O |
| Chân 18 | RC7 — Bidirectional I/O |
| Chân 19 | VSS — Ground reference |
| Chân 20 | VDD — Positive supply (1.8-3.6 V) |
| Chân 21 | RB0/INT — Bidirectional I/O, external interrupt |
| Chân 22 | RB1 — Bidirectional I/O |
| Chân 23 | RB2 — Bidirectional I/O |
| Chân 24 | RB3 — Bidirectional I/O |
| Chân 25 | RB4 — Bidirectional I/O |
| Chân 26 | RB5 — Bidirectional I/O |
| Chân 27 | RB6/ICSPCLK — Bidirectional I/O, ICD clock |
| Chân 28 | RB7/ICSPDAT — Bidirectional I/O, ICD data |
Ứng dụng tiêu biểu
PIC16LF1518-E/SS phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Node, Consumer Appliance User-Interface Controller, Automotive Body and Climate Sub-Module, Industrial Process Meter / Data Logger, Portable Medical Monitoring Accessory, Smart Home / Building Automation Node.
Battery-Powered IoT Sensor Node
The PIC16LF1518-E/SS fits battery-powered IoT sensor nodes because of its nanoWatt XLP technology and 1.8-3.6 V wide-voltage range, allowing direct connection to a single Li-ion / 2xAA cell. The 10-bit SAR ADC handles analog sensor readout (temperature, humidity, light), while the MSSP provides I2C/SPI connectivity to digital sensors. Typical sleep current is below 1 µA with WDT disabled per the manufacturer datasheet, enabling multi-year coin-cell operation; the 28 KB Flash accommodates BLE/Zigbee stack fragments or LoRaWAN MAC when paired with a radio module.
Được đề xuất
Consumer Appliance User-Interface Controller
The PIC16LF1518-E/SS works as a user-interface MCU in white goods (washing machines, dishwashers, microwave ovens) thanks to its 17 I/O pins for driving segment LCDs, keypads, rotary encoders, and buzzer PWM. Two CCP modules generate the PWM tones for alarms and motor control feedback. The 28-SSOP package is easy to hand-solder for prototyping while remaining production-ready, and the extended -40 to +125 °C "-E" temperature grade handles the thermal envelope of enclosed appliances per the manufacturer datasheet.
Được đề xuất
Automotive Body and Climate Sub-Module
The PIC16LF1518-E/SS "-E" extended grade is suitable for non-safety automotive body controllers (window lifts, seat controls, HVAC flaps, mirror adjust) operating from a 12 V bus regulated to 3.3 V. The wide-voltage tolerance handles crank/drop conditions, while the EUSART with auto-baud enables LIN-bus slave communication per the manufacturer datasheet. Two CCP modules can drive small brushed DC motors via external FETs; the 10-bit ADC reads position feedback and current sense. Note: for safety-critical ADAS use, an AEC-Q100-qualified dsPIC33 is recommended instead.
Được đề xuất
Industrial Process Meter / Data Logger
The PIC16LF1518-E/SS fits industrial 4-20 mA loop meters and low-rate data loggers because its 10-bit SAR ADC with multiple channels handles analog sensor inputs while 256 bytes of EEPROM store calibration constants and rolling-log data across power cycles. The MSSP I2C/SPI interfaces connect to external FRAM or EEPROM for larger logs, and the EUSART drives RS-485 transceivers for Modbus RTU. The 1.8-3.6 V operation allows direct Li-SOCl2 backup-battery use, while the extended -40 to +125 °C grade suits outdoor enclosures.
Được đề xuất
Portable Medical Monitoring Accessory
The PIC16LF1518-E/SS is appropriate for portable medical accessories (pulse-oximeter cables, smart thermometer probes, pill-bottle reminders) thanks to its nanoWatt XLP sleep modes that extend battery life. The 10-bit ADC reads sensor signals, and the EUSART streams data to a host phone or display over a Bluetooth Low Energy module. The 1024 B SRAM accommodates short sensor buffers, and the SSOP-28 footprint fits inside small enclosures. Per IEC 62304 classification, design history files must reference the manufacturer datasheet for verification.
Được đề xuất
Smart Home / Building Automation Node
The PIC16LF1518-E/SS fits smart-home nodes (thermostats, occupancy sensors, light controllers) because its XLP technology supports multi-year battery life and the 1.8-3.6 V range accommodates USB-power or 2xAA cells. The MSSP drives I2C sensors (temperature, lux, CO2); the EUSART serves as a UART bridge to Zigbee or Sub-GHz radio modules. Two CCP timers provide precise PWM for LED dimming per the manufacturer datasheet, and the SSOP-28 package integrates easily into compact wall-switch form factors.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LF1518-E/SS — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC16LF1519-E/SS | PIC16LF1517-E/SS | PIC16F1518-E/SS | PIC16F1519-E/SS |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SSOP-28 | SSOP-28 - same | SSOP-28 - same | SSOP-28 - same | SSOP-28 - same |
| Flash Program Memory | 28 KB (16K x 14) | 28 KB | 16 KB (-43%) | 28 KB | 28 KB |
| Data SRAM | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes |
| Data EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Operating Voltage (VDD) | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.3 V to 5.5 V (different range) | 2.3 V to 5.5 V (different range) |
| Maximum CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| I/O Pins | 17 | Up to 36 (larger pin variants) | 17 | 17 | Up to 36 |
| Temperature Grade | -40°C to +125°C (Extended) | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C |
| ADC | 10-bit SAR | 10-bit SAR | 10-bit SAR | 10-bit SAR | 10-bit SAR |
Bảo phân biệt quan trọng
- Largest Flash option in the 28-pin PIC16LF151x family (vsPIC16LF1517-E/SS)
- Wide-voltage 1.8-3.6 V support for battery designs (vsPIC16F1518-E/SS)
- nanoWatt XLP technology for sub-µA sleep (vsPIC16F1518-E/SS)
Ghi chú thiết kế
Estimated: at 3.3 V VDD, 20 MHz HFINTOSC, the PIC16LF1518-E/SS core draws ~3 mA active and <1 µA in Sleep with WDT disabled, per the Microchip datasheet. For battery life estimation, use Sleep current as the dominant term when duty-cycling sensors (<1% active). Place a 0.1 µF decoupling capacitor within 5 mm of VDD pins (pin 6 and pin 20) and a bulk 1-10 µF tantalum or ceramic at the supply rail. Enable the on-chip Brown-Out Reset (BOR) via CONFIG1 to avoid indeterminate code execution during VDD dips.
Keep the MCLR/RA5/VPP pin (pin 3) trace short to minimise inadvertent reset noise; add a 10 kΩ pull-up to VDD and a 100 nF capacitor to ground if the pin is used as a manual reset input. Place the ICSP clock (RB6) and data (RB7) lines in a way that does not cross high-current traces, since the same pins are also general-purpose I/O. For SSOP-28, use a 0.65 mm pitch land pattern with thermal relief on VSS/VDD pours for hand-rework.
The "-E" suffix (Extended) versus "-I" (Industrial) temperature grade is a common ordering mistake: PIC16LF1518-I/SS is rated -40 to +85 °C while PIC16LF1518-E/SS is -40 to +125 °C. Verify that the device configuration bits (CONFIG1) match the application: an external oscillator selection with no physical crystal will fail to start. Do not omit the AVSS/AVDD pair decoupling when the ADC is enabled - inject 10 µF + 100 nF at the analog supply pin to keep ADC readings below 1 LSB RMS noise.
Thông tin tuân thủ
RoHS compliant per Microchip product page; not formally AEC-Q100 qualified (use dsPIC33CK for automotive safety). Extended -40 to +125 °C operating range but not ISO 26262 or IEC 61508 certified.
