PIC16LF15345-E/SO - 8-Bit XLP MCU 14KB Flash 20-SOIC | Microchip
料号： PIC16LF15345-E/SO ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.85 | $1.85 |
| 10 | $1.65 | $16.50 |
| 100 | $1.42 | $142.00 |
| 500 | $1.21 | $605.00 |
| 1,000 | $1.08 | $1,080.00 |
PIC16LF15345-E/SO 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and a set of peripherals (ADC, timers, communication ports, etc.) into one package. PIC16F-series MCUs from Microchip Technology sit in the 8-bit MCU taxonomy: 8-bit microcontroller -> RISC MCU -> PIC16 family -> PIC16F153xx sub-family -> low-power (LF) variants. This hierarchy makes the part a sub-category of microcontrollers within the broader embedded IC market.
Key features include four 10-bit Analog-to-Digital Converters (ADC), one 5-bit DAC, two Comparators, four 10-bit PWM channels, a Complementary Waveform Generator (CWG), four Configurable Logic Cells (CLC), two EUSART, one SPI, and one I2C. The XLP technology supports sleep currents in the nanoamp range, deep-sleep retention, and active currents typically below 1 mA/MIPS. Up to 18 I/O pins are available in the 20-pin SOIC outline, with flexible pin-mapping through the Peripheral Pin Select (PPS) system.
The architecture uses a Harvard-style memory map with separate program Flash and data SRAM buses, plus a hardware interrupt controller and a 32 kHz LP oscillator option for low-power timekeeping. On-chip Core Independent Peripherals let complex sequencing (motor control, lighting, power conversion) run without CPU intervention, which preserves MIPS budget for application code. The integrated 5-bit DAC and comparators allow closed-loop analog control without external ICs.
Typical applications include battery-operated IoT sensor nodes, low-power wireless remote controls, LED lighting and small motor control, wearable medical monitors, and consumer appliance user-interface boards. The combination of eXtreme Low-Power modes, on-chip analog, and small footprint makes the device a frequent choice for cost-sensitive mains- or battery-powered designs that previously required multiple discrete components.
When designing with this part, plan I/O assignments carefully because the 20-pin SOIC exposes only 18 usable I/O lines, leaving two pins for VDD and VSS. Add a 100 nF decoupling capacitor as close as possible to each supply pin, and ensure your programmer/debugger supports the in-circuit serial programming (ICSP) interface on the same pins that may be used as application I/O.
This page synthesizes distributor availability, verified drop-in alternatives from the same Microchip PIC16(L)F153xx family, and practical design notes that go beyond the manufacturer datasheet to help you evaluate, source, and integrate the PIC16LF15345-E/SO efficiently.
直接替换替代料： PIC16LF15345-E/SO ——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： PIC16LF15345-E/SO （相同外形与封装尺寸） ——差异在于 DAC, PWM Channels, Package, Comparators, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
PIC16F15345-E/SO
✅ 直接替换📋 参考替代料（不在目录中）
PIC16LF15344-E/SO
✅ 直接替换✓ 有现货
$0.82 / 个
查看数据手册 →PIC16LF15325-E/SO
✅ 直接替换📋 参考替代料（不在目录中）
PIC16LF15345-I/SO
✅ 直接替换📋 参考替代料（不在目录中）
PIC16F15344-E/SO
✅ 直接替换✓ 有现货
$0.86 / 个
查看数据手册 →PIC16LF15344T-I/SS
✅ 直接替换✓ 有现货
$0.86 / 个
查看数据手册 →PIC16LF15345-E/SO 最大额定值与电气特性
| Core Architecture | 8-bit PIC16 RISC |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data SRAM | 1 KB |
| Maximum CPU Frequency | 32 MHz |
| Supply Voltage (VDD) | 1.8 V to 3.6 V (LF variant) |
| 工作温度 | -40C to +125C (E grade) |
| ADC | 4 channels x 10-bit |
| DAC | 1 x 5-bit |
| Comparators | 2 |
| PWM Channels | 4 x 10-bit |
| Complementary Waveform Generator (CWG) | Yes |
| Configurable Logic Cells (CLC) | 4 |
| EUSART | 2 |
| SPI | 1 |
| I2C | 1 |
| I/O Pins | Up to 18 |
| 封装 | 20-pin SOIC (SO) |
| 安装类型 | Surface Mount |
| XLP Low-Power Technology | Yes |
| RoHS 状态 | Compliant |
| MSL 等级 | 1 |
PIC16LF15345-E/SO 引脚配置
| 引脚 1 | RA5/ICSPDAT — Bidirectional I/O / ICSP data |
| 引脚 2 | RA4/ICSPCLK — Bidirectional I/O / ICSP clock |
| 引脚 3 | RA3/MCLR — Input / Master Clear (reset, active low) |
| 引脚 4 | RA2 — Bidirectional I/O / analog input |
| 引脚 5 | RA1 — Bidirectional I/O / analog input |
| 引脚 6 | RA0 — Bidirectional I/O / analog input |
| 引脚 7 | VSS — Ground reference |
| 引脚 8 | RB7 — Bidirectional I/O |
| 引脚 9 | RB6 — Bidirectional I/O / serial programming clock |
| 引脚 10 | RB5 — Bidirectional I/O / analog input |
| 引脚 11 | RB4 — Bidirectional I/O / analog input |
| 引脚 12 | RB3 — Bidirectional I/O / analog input |
| 引脚 13 | RB2 — Bidirectional I/O |
| 引脚 14 | RB1 — Bidirectional I/O |
| 引脚 15 | RB0 — Bidirectional I/O |
| 引脚 16 | VDD — Positive supply voltage |
| 引脚 17 | RA7 — Bidirectional I/O |
| 引脚 18 | RA6 — Bidirectional I/O |
| 引脚 19 | VSS — Ground reference (second pin) |
| 引脚 20 | VDD — Positive supply voltage (second pin) |
典型应用
PIC16LF15345-E/SO 适用于 7 应用s: Battery-Operated IoT Sensor Nodes, Low-Power Wireless Remote Controls, LED Lighting and Small Motor Control, Wearable Medical and Health Monitors, Consumer Appliance User-Interface Boards, Industrial Sensor Transmitters and 4-20mA Loops, Automotive Body and Comfort Electronics.
Battery-Operated IoT Sensor Nodes
The PIC16LF15345-E/SO fits battery-powered IoT sensor nodes because it combines eXtreme Low-Power (XLP) nanoamp sleep currents with a wide 1.8V-3.6V supply range that allows direct connection to a single lithium or two-AA cells. Its four 10-bit ADC channels can sample multiple analog sensors (temperature, light, gas) without external muxes, and the 14 KB Flash accommodates wireless stacks such as SLLWP or simple LoRa P2P drivers. The CWG and CLC peripherals generate timing-critical sensor excitation and acquisition sequencing without waking the CPU, preserving battery life over multi-year deployments.
推荐
Low-Power Wireless Remote Controls
The PIC16LF15345-E/SO is ideal for handheld wireless remote controls because its nanoamp deep-sleep current lets a coin-cell battery last the entire product lifetime while the CLC + EUSART peripherals implement IR, Sub-GHz, or BLE HID wake-up logic without firmware overhead. The integrated 5-bit DAC and comparators allow capacitive touch or analog joystick decoding, replacing several discrete components. At 32 MHz the core has ample MIPS budget to run encryption or pairing sequences within milliseconds of wake-up.
推荐
LED Lighting and Small Motor Control
For LED drivers, dimming controllers, and small BLDC or stepper motor control, the PIC16LF15345-E/SO's Complementary Waveform Generator (CWG) and four 10-bit PWM channels deliver hardware-generated dead-band switching that the CPU does not have to interrupt. The on-chip comparators close the current loop for constant-current LED regulation, and the CLC blocks can decode Hall-sensor signals for sensorless commutation. The wide temperature grade supports outdoor or industrial luminaire environments.
推荐
Wearable Medical and Health Monitors
The PIC16LF15345-E/SO suits wearable medical monitors such as pulse oximetry patches, glucose meters, and continuous temperature loggers because XLP sleep currents drop below 100 nA, extending battery life on small coin cells. The four 10-bit ADC inputs support multi-sensor photoplethysmography or thermistor reading, while the 5-bit DAC can drive LED bias for optical measurements. The 32 MHz core is fast enough to run heart-rate detection DSP and the small 20-SOIC footprint fits wristband form factors.
推荐
Consumer Appliance User-Interface Boards
In consumer appliances like coffee makers, washing machines, and air purifiers, the PIC16LF15345-E/SO integrates the user interface, sensor reading, and actuator drive functions in a single chip. The 14 KB Flash comfortably fits menu and fault-handling state machines, while four PWM channels control buzzers, valves, and indicator LEDs without external driver ICs. The EUSART and SPI/I2C ports link to external displays or wireless modules, and the -40C to +125C temperature range handles kitchen and laundry environments.
推荐
Industrial Sensor Transmitters and 4-20mA Loops
The PIC16LF15345-E/SO serves as the digital heart of industrial 4-20 mA sensor transmitters because its 10-bit ADC captures process variables accurately while the integrated DAC and PWM stream drive a low-cost current loop without dedicated loop ICs. Core Independent Peripherals (CLC, CWG) implement HART-style modulation and watchdog timing, offloading the CPU. The 1.8V-3.6V supply aligns with loop-powered designs that derive power from the 4-20 mA current itself.
推荐
Automotive Body and Comfort Electronics
While not AEC-Q100 qualified at the -40C to +125C E grade, the PIC16LF15345-E/SO is widely used in non-safety automotive body electronics such as interior lighting, seat controllers, mirror adjusters, and aftermarket accessories. The CWG and four PWM channels handle LED dimming and small motor drive, while the EUSART and LIN-compatible UART interface links to the vehicle body network. The wide temperature grade and robust peripherals make it a cost-effective MCU for these comfort-zone applications.
推荐
推荐产品汇总
工程参考数据： PIC16LF15345-E/SO ——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 | PIC16F15345-E/SO | PIC16LF15344-E/SO | PIC16LF15325-E/SO | PIC16LF15345-I/SO | PIC16F15344-E/SO | PIC16LF15344T-I/SS |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SOIC (SO) | 20-SOIC (SO) - same | 20-SOIC (SO) - same | 20-SOIC (SO) - same | 20-SOIC (SO) - same | 20-SOIC (SO) - same | 20-SOIC (SO) - same |
| Flash Memory | 14 KB | 14 KB | 7 KB | 7 KB | 14 KB | 7 KB | 7 KB |
| SRAM | 1 KB | 1 KB | 512 B | 512 B | 1 KB | 512 B | 512 B |
| VDD Range | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 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 | 1.8 V to 3.6 V |
| Temperature Grade | -40C to +125C (E) | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +85C |
| Core Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| ADC | 4 x 10-bit | 4 x 10-bit | 4 x 10-bit | 3 x 10-bit | 4 x 10-bit | 4 x 10-bit | 4 x 10-bit |
关键差异点
- Wider 1.8V-3.6V supply vs 5V-only competitors （对比 PIC16F15344-E/SO)
- Double the Flash memory vs lower-cost family members （对比 PIC16LF15344-E/SO)
- Extended -40C to +125C vs -40C to +85C industrial grade （对比 PIC16LF15345-I/SO)
- On-chip 5-bit DAC and comparators for analog control （对比 PIC16LF1507-I/SO)
设计说明
Place a 100 nF ceramic decoupling capacitor within 3 mm of each VDD pin (pins 16 and 20) and a single 10 V common VSS ground plane directly under the SOIC. The PIC16LF15345-E/SO draws less than 1 mA/MIPS active and sub-100 nA in deep sleep, but the in-rush during PLL lock can cause supply droop if bulk capacitance is missing. For battery applications, add a 4.7-10 uF bulk capacitor at the cell terminal to handle transmit bursts from companion radio modules.
Use a four-layer PCB with a dedicated ground plane and a 3.3V power plane when possible. Route the ICSP clock/data lines (RA4/RA5) away from switching power nodes and PWM outputs to avoid programming glitches. The SOIC-20 footprint is wider than SSOP-20, so leaving extra keep-out around the MCU eases hand-rework. The exposed lead frame pad is not present on SOIC, so thermal dissipation relies entirely on the copper pour on the VDD pins and via stitching under the package.
Do not assume the MCLR pin can be left floating: tie it to VDD through a 10 kohm resistor (or direct to VDD when not using external reset) because MCLR is internally weakly pulled only after configuration. Conflicting PPS mapping is a frequent source of firmware lockups - if the firmware remaps the ICSP pins to application I/O without disabling the debugger interface, the next programming attempt will fail. The PIC16LF15345 requires VDD >= 2.0V during Flash programming, so verify supply headroom before in-circuit serial programming.
When driving PWM outputs at high frequency (above 50 kHz), add a small series resistor (22-47 ohm) close to the MCU pin to dampen ringing from the cable and load capacitance. The CWG outputs benefit from symmetric trace lengths to maintain the dead-band accuracy within +/- 5 ns. Keep the analog ADC traces (RA0-RA3, RB4-RB5) short and routed over a quiet ground region to avoid digital switching noise coupling into measurements, since the 10-bit ADC has only +/- 1 LSB noise margin at 3.3V.
合规信息
RoHS and REACH compliant per Microchip product environmental compliance. E temperature grade is -40C to +125C extended industrial, NOT AEC-Q100 qualified; for AEC-Q100 automotive use, see PIC16F15345-E/SO automotive variants or higher-grade PIC microcontrollers. Lead-free finish is Pb-free matte tin (Sn) over NiPdAu, suitable for 260C peak reflow per JEDEC J-STD-020.
