PIC16LF1826-I/SS - 8-bit MCU, 3.5KB Flash, 32MHz | Microchip
料号： PIC16LF1826-I/SS ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0.43 | $0.43 |
| 10 | $0.39 | $3.90 |
| 100 | $0.34 | $34.00 |
| 500 | $0.3 | $150.00 |
| 1,000 | $0.27 | $270.00 |
PIC16LF1826-I/SS 概述
An 8-bit PIC (Peripheral Interface Controller) MCU is a RISC-based microcontroller family built on the enhanced mid-range core, optimized for deterministic real-time control, ultra-low-power sleep modes, and rich integrated peripherals. PIC microcontrollers belong to the broader category of microcontrollers -> embedded controllers -> ICs -> semiconductors, and they sit at the heart of countless consumer, industrial, and automotive subsystems.
Key features include eXtreme Low Power (XLP) technology for battery applications, a 10-bit ADC with up to 12 channels, mTouch capacitive touch sensing, and on-chip peripherals such as UART, SPI, and I2C. The 32 MHz internal oscillator eliminates an external crystal in many designs, reducing BOM cost and PCB area. The wide operating voltage range from 1.8 V to 3.6 V supports single-cell lithium and 2x AA battery topologies directly.
Architecturally, the PIC16LF1826 uses a 14-bit instruction word, hardware multiplier, and configurable logic cells around the core. CIPs (Core Independent Peripherals) such as the CWG, NCO, and DSM allow complex signal generation without CPU intervention, freeing the 8-bit core for application code. The instruction-compatible family simplifies migration to larger PIC16LF19xx or smaller PIC10/12/16 devices.
Typical applications include wearable fitness bands, IoT sensor nodes, LED lighting controllers, low-power remote controls, capacitive touch user interfaces, and battery-backed metering. The combination of XLP sleep currents below 50 nA and rapid wake-up makes the part ideal for energy-harvesting or duty-cycled designs.
When designing with this part, ensure the LF (low-voltage) suffix is selected for 1.8 V minimum operation; the non-LF PIC16F1826 variant requires a 2.5 V minimum supply. Decouple VDD with a 100 nF ceramic plus a bulk tantalum or aluminum polymer capacitor placed within 3 mm of the supply pin to suppress noise on the internal FVR reference.
This page synthesizes distributor pricing, drop-in same-brand and cross-brand alternatives, and practical design notes not found on a single manufacturer or distributor page, helping engineers select and qualify the PIC16LF1826-I/SS efficiently.
直接替换替代料： PIC16LF1826-I/SS ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC16LF1826-I/SS （相同外形与封装尺寸） ——差异在于 Core Architecture, I/O Pins, Package, Program Memory (Flash).
快速对比工具——选择替代料号进行并排对比：
PIC16LF1826T-I/SS
✅ 直接替换📋 参考替代料（不在目录中）
PIC16LF1823-I/SS
✅ 直接替换📋 参考替代料（不在目录中）
PIC16LF1824-I/SS
✅ 直接替换📋 参考替代料（不在目录中）
PIC16LF1825-I/SS
✅ 直接替换📋 参考替代料（不在目录中）
PIC16F1826-I/SS
✅ 直接替换✓ 有现货
$1.18 / 个
查看数据手册 →PIC16LF1826-I/SS 最大额定值与电气特性
| Core Architecture | PIC16 enhanced mid-range 8-bit |
| Instruction Set Width | 14-bit |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| Data SRAM | 256 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Instruction Execution | 200 ns at 20 MHz, 125 ns at 32 MHz |
| Operating Voltage Range | 1.8 V to 3.6 V |
| I/O Pins | 17 |
| ADC | 10-bit, up to 12 channels |
| Timers | 8-bit and 16-bit (multiple) |
| Communication | UART, SPI, I2C (MSSP) |
| Capacitive Touch | mTouch support |
| 工作温度范围 | -40 C to +85 C (industrial) |
| 封装 | 20-pin SSOP (0.209 inch / 5.30 mm body width) |
| 安装类型 | Surface Mount |
| MSL 等级 | MSL1 (per JEDEC J-STD-020, typical) |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
PIC16LF1826-I/SS 引脚配置
| 引脚 1 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| 引脚 2 | RA5 — Digital I/O / analog input |
| 引脚 3 | RA4 — Digital I/O / analog input |
| 引脚 4 | RA3/MCLR — Digital I/O / master clear reset |
| 引脚 5 | RC5 — Digital I/O |
| 引脚 6 | RC4 — Digital I/O |
| 引脚 7 | RC3 — Digital I/O / analog input |
| 引脚 8 | RC2 — Digital I/O / analog input |
| 引脚 9 | RC1 — Digital I/O / analog input |
| 引脚 10 | RC0 — Digital I/O / analog input |
| 引脚 11 | VSS — Ground reference |
| 引脚 12 | RA2 — Digital I/O / analog input |
| 引脚 13 | RA1 — Digital I/O / analog input |
| 引脚 14 | RA0 — Digital I/O / analog input |
| 引脚 15 | RB7 — Digital I/O |
| 引脚 16 | RB6 — Digital I/O |
| 引脚 17 | RB5 — Digital I/O / analog input |
| 引脚 18 | RB4 — Digital I/O / analog input |
| 引脚 19 | RB3 — Digital I/O |
| 引脚 20 | RB2 — Digital I/O |
典型应用
PIC16LF1826-I/SS 适用于 7 应用s: Battery-Powered IoT Sensor Node, Capacitive Touch User Interface, LED Lighting Controller, Low-Power Remote Control, Industrial Sensor Module, Wearable Fitness Band, Smart Home Sensor Node.
Battery-Powered IoT Sensor Node
The PIC16LF1826-I/SS is an excellent fit for battery-powered IoT sensor nodes because its 1.8 V to 3.6 V VDD range lets it run directly from a single Li-ion or 2x AA cell, while its XLP sleep current (typically below 50 nA per the Microchip datasheet DS40001386) supports multi-year coin-cell life. The 32 MHz internal HFINTOSC removes the need for an external crystal, reducing BOM cost. The 10-bit ADC samples analog inputs and the UART/SPI/I2C MSSP drives an uplink to a BLE or LoRa module. The 20-pin SSOP keeps PCB area under 50 mm^2 for compact sensor enclosures.
推荐
Capacitive Touch User Interface
The PIC16LF1826-I/SS integrates Microchip's mTouch capacitive touch peripheral with the CVD (Charge-Voltage Discharge) hardware, supporting up to 12 touch channels without external touch ASICs. Combined with the 32 MHz core, the MCU can sample, debounce, and react to user touches in real time while still handling LED drive and communication tasks. The 1.8 V minimum VDD makes it suitable for USB-bus-powered and battery-powered touch panels, and the SSOP-20 package fits behind standard capacitive button overlays.
推荐
LED Lighting Controller
The PIC16LF1826-I/SS drives low-power LED lighting controllers for decorative and architectural lighting. Its 17 I/O pins support PWM channels via the CCP (Capture/Compare/PWM) and PWM peripherals, while the NCO and CWG CIPs generate precise color-mixing waveforms without CPU load. Operating from 1.8 V to 3.6 V allows direct driving from a 2x AA battery or USB-C bus, and the SSOP-20 footprint reduces PCB size for compact lamp modules. Designers can also use the 10-bit ADC to read a photo sensor for ambient-light feedback.
推荐
Low-Power Remote Control
The PIC16LF1826-I/SS suits battery-powered IR/RF remote controls where standby current is critical. XLP sleep currents below 50 nA extend coin-cell life into multi-year territory, while the integrated timers and the CWG (Complementary Waveform Generator) can drive IR LEDs or RF transmitters with zero CPU intervention. The 1.8 V VDD floor lets the device operate directly from a CR2032 coin cell. UART/SPI/I2C allow connection to a companion RF IC for protocol layers such as BLE, LoRa, or proprietary sub-GHz.
推荐
Industrial Sensor Module
In industrial sensor modules the PIC16LF1826-I/SS combines deterministic PIC16 architecture with the -40 C to +85 C industrial temperature rating required for factory-floor deployment. The 10-bit ADC with up to 12 channels reads analog process variables, and the MSSP drives SPI/I2C sensors at clock rates up to the system clock. The 32 MHz clock enables fast sampling of vibration or flow sensors. CIPs (NCO, DSM, CWG) implement signal conditioning and protocol generation without burdening the core, leaving CPU bandwidth for application logic.
推荐
Wearable Fitness Band
The PIC16LF1826-I/SS is well-suited to wearable fitness bands and small health devices that demand long battery life and compact packaging. The XLP technology delivers sleep currents under 50 nA per the Microchip datasheet, allowing coin-cell-powered step counters, sleep trackers, or pulse-rate meters to run for months without battery replacement. The mTouch peripheral can drive capacitive buttons or sliders on a wrist-strap housing, and the 1.8 V VDD floor enables direct coin-cell operation. The 20-pin SSOP footprint reduces PCB size below 30 mm^2.
推荐
Smart Home Sensor Node
The PIC16LF1826-I/SS powers smart-home sensor nodes such as door/window sensors, motion detectors, and HVAC controllers. XLP sleep modes below 50 nA (Microchip datasheet DS40001386) let these devices run 5+ years on a single CR2032 cell, while the integrated mTouch peripheral enables touch-button user interfaces. The 32 MHz core handles ZigBee/BLE/Wi-Fi co-processor communication over UART/SPI/I2C, and the 10-bit ADC reads analog temperature, light, or battery voltage. The 20-pin SSOP fits inside a coin-cell sensor housing.
推荐
推荐产品汇总
工程参考数据： PIC16LF1826-I/SS ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC16LF1826T-I/SS | PIC16LF1823-I/SS | PIC16LF1824-I/SS | PIC16LF1825-I/SS | PIC16F1826-I/SS |
|---|---|---|---|---|---|---|
| Package | 20-pin SSOP | 20-pin SSOP - same | 20-pin SSOP - same | 20-pin SSOP - same | 20-pin SSOP - same | 20-pin SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 3.5 KB | 3.5 KB (same) | 2 KB | 4 KB | 14 KB | 3.5 KB |
| Data SRAM | 256 bytes | 256 bytes | 128 bytes | 256 bytes | 256 bytes | 256 bytes |
| Operating Voltage Range | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.5 V to 5.5 V |
| Maximum Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| I/O Pins | 17 | 17 | 17 | 17 | 17 | 17 |
| Capacitive Touch Support | mTouch | mTouch (same) | mTouch | mTouch | mTouch | mTouch |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
关键差异点
- Industry-leading XLP sleep current below 50 nA （对比 PIC16F1826-I/SS)
- 1.8 V minimum VDD floor for single-cell battery operation （对比 PIC16F1826-I/SS)
- Internal 32 MHz HFINTOSC eliminates external crystal （对比 PIC16LF1826-I/P)
- Balanced 3.5 KB Flash vs larger-family variants （对比 PIC16LF1825-I/SS)
设计说明
Estimated: at 32 MHz with VDD=3.3 V the PIC16LF1826-I/SS typically draws 6-8 mA active and below 50 nA in XLP sleep (per Microchip datasheet DS40001386). Always enable the internal voltage regulator (VREGPMD bits) to drop to a stable low-power core voltage before entering sleep. Decouple VDD with a 100 nF ceramic plus a 4.7 uF bulk capacitor placed within 3 mm of the package to keep the FVR reference stable and prevent BOR misfires.
Keep the ICSPDAT/ICSPCLK traces away from high-current switching nodes (LED PWMs, RF) by at least 3x the trace-to-trace spacing. Place a 4.7 kohm pull-up on MCLR (pin 4) for in-circuit serial programming (ICSP), but verify that this does not load the reset line during normal operation. The SSOP-20 thermal pad is not exposed; rely on a copper pour under the package to spread heat at sustained 32 MHz load.
For mTouch capacitive sensing, route the touch traces with a minimum 0.5 mm clearance to adjacent digital traces and add a hatched ground guard ring around each touch pad. Use the CVD (Charge-Voltage Discharge) hardware module rather than software sampling to achieve stable readings across temperature. Reference: Microchip AN1478 mTouch design guide.
Common pitfalls: (1) Selecting the PIC16F1826 (non-LF) variant for battery designs with VDD < 2.5 V - the LF suffix is required; (2) Exceeding the absolute maximum VDD of 4.0 V will damage the internal HFINTOSC; (3) Driving the MCLR pin below VSS without a series resistor can trigger latch-up; (4) Forgetting to clear the GIE bit before entering sleep can cause spurious wake-ups on peripheral flags. Reference: Microchip PIC16LF1826 datasheet (DS40001386) electrical specifications section.
合规信息
RoHS and lead-free per Microchip product page (verified 2026-09-24). This part is the industrial (-40 C to +85 C) variant; the automotive AEC-Q100 grade is supplied under a separate PIC16LF1826-E/SS ordering code.
