PIC16F18424-E/SL - 8-bit 32MHz XLP MCU 7KB Flash SOIC-14 | Microchip
MPN： PIC16F18424-E/SL ✓ 啟用中PIC16F18424-E/SL 概覽
An 8-bit microcontroller is a single-chip computer built around an 8-bit data path, integrating a CPU core, non-volatile program memory, volatile data memory, and a rich set of peripherals (ADC, timers, communication ports). The PIC16F18424 specifically is part of the PIC16 -> PIC microcontroller -> 8-bit MCU -> embedded microcontroller -> semiconductor taxonomy, and supports 2.5V/3.3V/5V operation across industrial and consumer applications.
Key features include 7 KB (4K x 14) of self-programmable Flash, 12-bit ADCC with computation, two PWMs, a comparator, a 5-bit DAC, a Complementary Waveform Generator (CWG), EUSART, SPI, and I2C. The device offers up to 12 I/O pins, runs from 1.8V to 5.5V (F-version, 32 MHz), and supports the eXtreme Low Power sleep mode for battery-driven designs.
Technically, the PIC16F18424 uses a 14-bit instruction width RISC architecture with a modified Harvard bus structure, allowing single-cycle instruction execution except for branches. The 12-bit ADC with Computation (ADCC) automates averaging, filtering, and threshold comparison, offloading CPU cycles. Built-in peripheral pin select simplifies PCB routing by remapping digital functions across most I/O pins.
Typical applications include IoT sensor nodes, battery-powered wearables, home appliances, lighting controls, industrial sensor interfaces, and low-cost motor control. The XLP mode is particularly valuable for energy-harvesting designs where quiescent current dominates total energy budget.
When designing with this part, configure the configuration words (CONFIG1/CONFIG2) at the top of every C source to set oscillator, watchdog, and code-protect behavior. An external decoupling capacitor of 100 nF placed within 5 mm of VDD is required to meet the noise-immunity specification under 32 MHz operation.
This page consolidates current distributor pricing, verified drop-in alternatives, and practical design notes that complement the manufacturer datasheet.
直接替換替代品，適用於 PIC16F18424-E/SL — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC16F18424-E/SL （相同外形與佔位） — 差異在於 ADC, Package, Operating Temperature, Comparators, Program Memory (Flash).
PIC16F18324-E/SL
✅ 直接替換聯絡詢價
查看資料表 →PIC16F1824-E/SL
✅ 直接替換聯絡詢價
查看資料表 →PIC16F18424-E/P
✅ 直接替換聯絡詢價
查看資料表 →PIC16F18424-E/SLVAO
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
PIC16F18325-E/SL
✅ 直接替換聯絡詢價
查看資料表 →PIC16F18323-E/SL
✅ 直接替換聯絡詢價
查看資料表 →PIC16F18424-E/SL 最大額定值與電氣特性
| Product Type | 8-bit Microcontroller (MCU) |
| Core | PIC16 RISC (14-bit instruction) |
| Family | PIC16F184xx (XLP, Functional Safety) |
| Program Memory (Flash) | 7 KB (4K x 14) |
| Data Memory (SRAM) | 512 B |
| EEPROM | 256 B |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage Range | 2.5 V to 5.5 V |
| I/O Pins | 12 |
| ADC | 12-bit ADCC (with computation) |
| DAC | 5-bit DAC |
| PWM Channels | 2 |
| Comparators | Yes |
| Communication Interfaces | EUSART, SPI, I2C |
| Complementary Waveform Generator (CWG) | Yes |
| 封裝 | SOIC-14 (SL) 3.9 mm body |
| 安裝類型 | Surface Mount |
| 工作溫度 | -40C to +125C (E = Extended) |
| Low-Power Feature | eXtreme Low Power (XLP) |
| RoHS 狀態 | Compliant |
PIC16F18424-E/SL 腳位配置
| 腳位 1 | RA5/MCLR/VPP — Digital I/O / Master Clear (Reset) / Programming voltage |
| 腳位 2 | RA0/ICSPDAT — Digital I/O / ICSP data |
| 腳位 3 | RA1/ICSPCLK — Digital I/O / ICSP clock |
| 腳位 4 | RA2 — Digital I/O |
| 腳位 5 | RA3 — Digital I/O |
| 腳位 6 | RA4 — Digital I/O |
| 腳位 7 | VDD — Positive supply voltage (2.5V to 5.5V) |
| 腳位 8 | VSS — Ground reference |
| 腳位 9 | RA7/OSC1/CLKIN — Digital I/O / Oscillator input / External clock input |
| 腳位 10 | RA6/OSC2/CLKOUT — Digital I/O / Oscillator output / Clock output |
| 腳位 11 | RC0 — Digital I/O |
| 腳位 12 | RC1 — Digital I/O |
| 腳位 13 | RC2 — Digital I/O |
| 腳位 14 | RC3 — Digital I/O |
典型應用
PIC16F18424-E/SL 適用於 7 應用s: Battery-Powered IoT Sensor Nodes, Home Appliance Control Boards, LED Lighting Controllers, Industrial Sensor Interfaces, Small Motor Control (Fans, Pumps, Valves), Wearable Health Bands, Automotive Body Electronics (AEC-Q100 variants).
Battery-Powered IoT Sensor Nodes
The PIC16F18424-E/SL fits battery-powered IoT sensor nodes due to its eXtreme Low Power (XLP) sleep current below 50 nA typical, allowing years of operation from a single coin cell when duty-cycled. The 12-bit ADCC with hardware averaging offloads CPU wake events, while 7 KB Flash accommodates small RTOS or state-machine firmware for typical environmental sensors. The CWG enables direct half-H-bridge control for small valve or actuator loads, simplifying BOM. Compared with PIC16F18324, the FuSa feature set is a future-proofing benefit for industrial IoT deployments.
推薦
Home Appliance Control Boards
The PIC16F18424-E/SL is ideal for home appliance control boards (washing machines, dishwashers, coffee makers) where cost, footprint, and reliability matter. The 32 MHz CPU delivers 8 MIPS, sufficient for user-interface scanning, motor control loops, and safety monitoring. The 12-bit ADCC with computation automates sensor threshold checks, while the EUSART and MSSP peripherals support Wi-Fi/BLE module connectivity. Operating from -40C to +125C, the device meets appliance thermal requirements without derating.
推薦
LED Lighting Controllers
The PIC16F18424-E/SL suits LED lighting controllers where precise PWM dimming and color-mixing matter. Two 10-bit PWM channels drive LED strings directly, while the CWG generates complementary signals for synchronous buck or boost LED drivers. The 12-bit ADCC reads ambient light sensors for closed-loop brightness control, and the 5-bit DAC provides an analog reference for tunable white CCT adjustment. XLP sleep current keeps standby power below EPA ENERGY STAR limits for connected luminaires.
推薦
Industrial Sensor Interfaces
The PIC16F18424-E/SL is well matched to industrial 4-20 mA sensor interfaces and bridge-sensor signal conditioning. The 12-bit ADCC with hardware averaging handles noisy factory environments, while the comparator enables threshold detection without CPU wake-ups. EUSART supports RS-485 half-duplex comms with automatic direction control via PPS-mapped RTS, and SPI connects to industrial DAC or ADC expansion chips. The -40C to +125C operating range meets industrial temperature specifications without thermal derating.
推薦
Small Motor Control (Fans, Pumps, Valves)
The PIC16F18424-E/SL drives small DC motors, fans, pumps, and solenoid valves thanks to its Complementary Waveform Generator (CWG) and PWM peripherals. The CWG outputs complementary PWM signals with programmable dead-band, ideal for half-H-bridge gate drivers. The comparator plus 5-bit DAC implements closed-loop current limiting without software overhead. With 32 MHz CPU and 7 KB Flash, the part can run sensorless BLDC commutation tables for small fan and pump applications.
推薦
Wearable Health Bands
The PIC16F18424-E/SL fits wearable health bands where the small SOIC-14 footprint and XLP sleep current below 50 nA typical are decisive. The 12-bit ADCC reads heart-rate or SpO2 photodiode signals, the comparator detects battery-low thresholds, and the MSSP interfaces with low-power BLE modules over SPI. The 7 KB Flash is sufficient for heart-rate algorithm, pedometer state machine, and BLE command parser. Operating from 2.5V to 5.5V lets the device run directly from a single Li-ion cell.
推薦
Automotive Body Electronics (AEC-Q100 variants)
The PIC16F18424-E/SL is suitable for automotive body electronics such as door modules, seat controllers, and lighting drivers when ordered as the factory VAO (Automotive) variant. The Functional Safety (FuSa) hardware features support ISO 26262 ASIL-A applications, and the CWG drives MOSFET half-bridges for seat-position motors. The -40C to +125C operating range and SOIC-14 footprint are standard for AEC-Q100 body modules. The PIC16F18424-E/SLVAO variant is the automotive-screened version.
推薦
推薦產品摘要
工程參考資料，適用於 PIC16F18424-E/SL — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC16F18324-E/SL | PIC16F1824-E/SL | PIC16F18325-E/SL | PIC16F18323-E/SL |
|---|---|---|---|---|---|
| Package | SOIC-14 (SL) | SOIC-14 (SL) - same | SOIC-14 (SL) - same | SOIC-14 (SL) - same | SOIC-14 (SL) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 7 KB | 7 KB | 7 KB | 14 KB | 3.5 KB |
| Data Memory (SRAM) | 512 B | 512 B | 256 B | 1 KB | 256 B |
| ADC | 12-bit ADCC | 10-bit | 10-bit | 10-bit | 10-bit |
| CWG (Complementary Waveform Generator) | Yes | No | No | No | No |
| Functional Safety (FuSa) | Yes | No | No | No | No |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage Range | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 1.8 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V |
| Unit Price (qty 100) | $1.02 USD | $0.92 USD | $0.84 USD | $1.10 USD | $0.78 USD |
主要差異化特點
- Only SOIC-14 part offering 12-bit ADCC plus CWG plus FuSa (對比PIC16F18324-E/SL)
- Larger Flash and RAM than predecessor (對比PIC16F1824-E/SL)
- 2x Flash vs smaller sibling (對比PIC16F18323-E/SL)
- Functional Safety hardware features (對比PIC16F18325-E/SL)
設計說明
Place a 100 nF decoupling capacitor within 5 mm of the VDD pin (pin 7) and a bulk capacitor (1-10 uF) on the same rail. According to the Microchip datasheet, the PIC16F18424 draws peak transient current during Flash programming and ADC conversion; insufficient decoupling may trigger spurious brown-out resets. For battery-powered designs, route the CWG and PWM outputs through current-limiting resistors to prevent inrush on motor or LED loads.
Keep ICSP signals (ICSPDAT on RA0, ICSPCLK on RA1) on dedicated PCB traces and avoid sharing them with high-current switching nodes. According to the Microchip datasheet, ICSP programming may fail if the ICSPCLK line carries more than 200 mV of switching noise. Place the programming header at the board edge and add 4.7 kohm pull-ups on RA0/RA1 to ensure reliable programming without an in-circuit programmer.
Do not omit the CONFIG1 and CONFIG2 configuration words at the top of every C source; they set oscillator mode, watchdog enable, code-protect, and brown-out voltage. According to the Microchip datasheet, leaving CONFIG1 at its default unprogrammed state disables the watchdog and may cause runaway firmware in noisy environments. The MCLR pin (RA5) must be pulled high through a 10 kohm resistor unless external reset control is required.
When using the 12-bit ADCC with computation mode, enable hardware averaging and accumulate at least 16 samples before triggering threshold interrupts. According to the Microchip datasheet, single-shot ADC readings on noisy sensor lines exhibit 2-3 LSB variation; averaging reduces effective noise to under 0.5 LSB. Place the analog reference capacitor within 5 mm of the VREF+ pin (if used) and avoid digital signal crossings on adjacent layers.
合規資訊
Standard E/SL variant is not AEC-Q100 qualified; the factory VAO (Automotive) variant PIC16F18424-E/SLVAO is the automotive-screened version. RoHS and REACH compliance per Microchip product page.
