PIC16LF727-I/MV - 7KB Flash MCU, 14KB Flash 40-UQFN | Microchip
料号： PIC16LF727-I/MV ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $2.95 | $2.95 |
| 10 | $2.65 | $26.50 |
| 100 | $2.38 | $238.00 |
| 500 | $2.1 | $1,050.00 |
| 1,000 | $1.85 | $1,850.00 |
PIC16LF727-I/MV 概述
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and peripherals onto one IC. Within the broader PIC16 family of mid-range microcontrollers, the PIC16LF727 sits in the low-voltage, ultra-low-power XLP tier - ideal for battery-powered and energy-harvesting applications. The LF prefix designates an extended low-voltage core, the F indicates Flash program memory, and the 727 enumerates a specific feature/peripheral set.
Key features include 7KB Flash program memory, 192 bytes of RAM, integrated EEPROM emulation support, 36 digital I/O pins, two 8-bit timers plus one 16-bit timer, two analog comparators with a reference, a 14-channel 10-bit ADC, capture/compare/PWM (CCP/ECCP) modules, and nanoWatt XLP sleep currents. The device supports in-circuit serial programming (ICSP) and in-circuit debugging via the ICD header.
Architecturally, the PIC16LF727 uses Microchip's enhanced mid-range 8-bit core (14-bit instruction word) with a Harvard architecture and a two-stage pipeline. nanoWatt XLP technology provides multiple software-selectable low-power modes (Run, Idle, Sleep with optional WDT, and low-power sleep modes with sub-microamp currents), enabling years of battery life on coin cells or harvested energy sources.
Typical applications include consumer remote controls, home automation sensor nodes, low-power wireless sensor interfaces, battery-powered handheld instruments, and IoT endpoint devices. The wide GPIO count and integrated ADC make it a versatile general-purpose MCU for both analog and digital mixed-signal designs.
A key design consideration is decoupling: place a 100nF ceramic capacitor as close as possible to VDD with a 10uF bulk capacitor on the board supply rail. Configure unused I/O pins as outputs low to minimize sleep current. The MV package's central exposed pad must be soldered to the ground plane for thermal dissipation and electrical reference.
This page synthesizes distributor pricing, drop-in alternatives in the same UQFN footprint, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： PIC16LF727-I/MV ——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： PIC16LF727-I/MV （相同外形与封装尺寸） ——差异在于 Package, ADC, Timers, Core Architecture, Program Memory (Flash).
快速对比工具——选择替代料号进行并排对比：
PIC16F727-I/MV
✅ 直接替换✓ 有现货
$1.83 / 个
查看数据手册 →PIC16F1847-I/MV
✅ 直接替换📋 参考替代料（不在目录中）
PIC16F18856-I/MV
✅ 直接替换✓ 有现货
$1.83 / 个
查看数据手册 →PIC16LF1847-I/MV
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC16F1936-I/MV
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.07 / 个
查看数据手册 →PIC16LF727-I/MV 最大额定值与电气特性
| Family | PIC16F/LF72x series (mid-range 8-bit core) |
| Program Memory (Flash) | 7 KB |
| RAM | 192 bytes |
| EEPROM Emulation | Supported via Flash self-read |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| Operating Temperature (I grade) | -40 C to +85 C |
| 封装 | 40-pin UQFN (MV) |
| Digital I/O Pins | 36 |
| ADC | 14-channel, 10-bit |
| Timers | 2 x 8-bit + 1 x 16-bit |
| Comparators | 2 with programmable reference |
| CCP / ECCP Modules | Yes (Capture / Compare / PWM, Enhanced) |
| Low-Power Technology | nanoWatt XLP (sub-uA sleep current) |
| Programming / Debug | ICSP, ICD (MPLAB ICD 4/5 compatible) |
| Instruction Set | Enhanced mid-range 8-bit (14-bit instruction word) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
PIC16LF727-I/MV 引脚配置
| 引脚 1 | RA0/AN0 — Digital I/O / Analog input channel 0 |
| 引脚 2 | RA1/AN1 — Digital I/O / Analog input channel 1 |
| 引脚 3 | RA2/AN2 — Digital I/O / Analog input channel 2 |
| 引脚 4 | RA3/AN3 — Digital I/O / Analog input channel 3 |
| 引脚 5 | RA4 — Digital I/O (no AN4 on this package variant) |
| 引脚 6 | RA5/AN4 — Digital I/O / Analog input channel 4 |
| 引脚 7 | RA6 — Digital I/O |
| 引脚 8 | RA7 — Digital I/O |
| 引脚 9 | VSS — Ground reference |
| 引脚 10 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| 引脚 11 | RB0/INT — Digital I/O / External interrupt |
| 引脚 12 | RB1 — Digital I/O |
| 引脚 13 | RB2 — Digital I/O |
| 引脚 14 | RB3 — Digital I/O |
| 引脚 15 | RB4 — Digital I/O |
| 引脚 16 | RB5 — Digital I/O |
| 引脚 17 | RB6/PGC — Digital I/O / ICSP clock |
| 引脚 18 | RB7/PGD — Digital I/O / ICSP data |
| 引脚 19 | RC0 — Digital I/O |
| 引脚 20 | RC1 — Digital I/O |
| 引脚 21 | RC2 — Digital I/O |
| 引脚 22 | RC3 — Digital I/O |
| 引脚 23 | RC4 — Digital I/O |
| 引脚 24 | RC5 — Digital I/O |
| 引脚 25 | RC6 — Digital I/O / TX (EUSART) |
| 引脚 26 | RC7 — Digital I/O / RX (EUSART) |
| 引脚 27 | RD0 — Digital I/O |
| 引脚 28 | RD1 — Digital I/O |
| 引脚 29 | RD2 — Digital I/O |
| 引脚 30 | RD3 — Digital I/O |
| 引脚 31 | RD4 — Digital I/O |
| 引脚 32 | RD5 — Digital I/O |
| 引脚 33 | RD6 — Digital I/O |
| 引脚 34 | RD7 — Digital I/O |
| 引脚 35 | RE0 — Digital I/O |
| 引脚 36 | RE1 — Digital I/O |
| 引脚 37 | RE2 — Digital I/O |
| 引脚 38 | RE3 — Digital I/O |
| 引脚 39 | MCLR/VPP — Master Clear (reset) / ICSP programming voltage |
| 引脚 40 | EP — Exposed pad (must be soldered to VSS ground plane) |
典型应用
PIC16LF727-I/MV 适用于 6 应用s: Battery-Powered Wireless Sensor Node, Consumer Remote Control / IR Transmitter, Home Automation Sensor Hub, Low-Power IoT Endpoint with Energy Harvesting, Battery-Powered Handheld Instrument, Industrial Sensor Front-End.
Battery-Powered Wireless Sensor Node
The PIC16LF727-I/MV is an excellent fit for battery-powered wireless sensor nodes because its nanoWatt XLP technology delivers sub-microamp sleep currents, while the 14-channel 10-bit ADC reads multiple sensors without an external analog front end. The 1.8 V to 3.6 V VDD range lets the MCU run directly from a single lithium coin cell or two AA cells, removing the need for a boost regulator. Engineers typically pair it with a sub-GHz or BLE transceiver via SPI, waking the PIC only on interrupt events from the radio or sensor threshold crossings.
推荐
Consumer Remote Control / IR Transmitter
The PIC16LF727-I/MV suits consumer remote controls thanks to its 36 digital I/O pins, integrated timers for accurate IR carrier generation, and nanoWatt XLP sleep modes that extend battery life to multi-year timeframes. The ECCP/PWM module can drive IR LEDs directly at 38 kHz carrier frequency, while the comparators monitor battery voltage for low-battery warning. At 1.8 V minimum VDD, the remote still functions on partially depleted alkaline cells, a key user-experience advantage.
推荐
Home Automation Sensor Hub
The PIC16LF727-I/MV works well in home automation sensor hubs that aggregate temperature, humidity, occupancy, and contact-switch inputs. The 14-channel ADC reads multiple analog sensors concurrently, while the 36 I/O lines handle I2C/SPI/UART peripherals plus indicator LEDs. Its 1.8 V to 3.6 V VDD range simplifies power design when powered from USB or a 3.3 V LDO. The ECCP module can also drive small buzzers or triac interfaces for AC-controlled loads.
推荐
Low-Power IoT Endpoint with Energy Harvesting
For IoT endpoints that harvest energy from a solar cell, thermal gradient, or RF source, the PIC16LF727-I/MV's nanoWatt XLP sleep mode is critical - it consumes typically less than 100 nA with peripherals off, allowing the system to sleep until the harvester accumulates enough charge. The on-board comparators can be used as a brown-out/wake comparator, and the LF core starts reliably at 1.8 V from a depleted supercapacitor. The 7 KB Flash is sufficient for typical sensor-edge firmware.
推荐
Battery-Powered Handheld Instrument
The PIC16LF727-I/MV fits handheld measurement instruments such as digital thermometers, light meters, or simple multimeters. The 14-channel ADC digitizes sensor inputs with adequate resolution, while the comparators can be used for range or threshold detection. The 40-pin UQFN package keeps the PCB compact, and the 1.8 V to 3.6 V VDD range lets the instrument operate from a single lithium coin cell. The PIC16LF727's mature toolchain (MPLAB X IDE, XC8 compiler) accelerates firmware development.
推荐
Industrial Sensor Front-End
The PIC16LF727-I/MV is suitable for industrial 4-20 mA loop-powered sensor front-ends because of its low supply current, integrated ADC, and robust -40 C to +85 C industrial operating range. The on-board comparators can directly sense loop current, while the 14-channel ADC reads multiple sensor inputs. Engineers can leverage the ICSP interface for in-field firmware updates via an isolated programming adapter, and the LF voltage range tolerates the wide supply excursions common on 24 V loop-powered rails.
推荐
推荐产品汇总
工程参考数据： PIC16LF727-I/MV ——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 | PIC16F727-I/MV | PIC16F1847-I/MV | PIC16F18856-I/MV | PIC16LF1847-I/MV | PIC16F1936-I/MV |
|---|---|---|---|---|---|---|
| Package | 40-pin UQFN (MV) | 40-pin UQFN (MV) - same | 40-pin UQFN (MV) - same | 40-pin UQFN (MV) - same | 40-pin UQFN (MV) - same | 40-pin UQFN (MV) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| VDD Range | 1.8 V to 3.6 V (LF) | 2.0 V to 5.5 V (F) | 1.8 V to 5.5 V (F) | 2.3 V to 5.5 V (F) | 1.8 V to 3.6 V (LF) | 1.8 V to 5.5 V (F) |
| Program Flash | 7 KB | 7 KB | 14 KB | 28 KB | 14 KB | 14 KB |
| RAM | 192 B | 192 B | 1 KB | 2 KB | 1 KB | 512 B |
| ADC Channels | 14 ch, 10-bit | 14 ch, 10-bit | 12 ch, 10-bit | 24 ch, 10-bit | 12 ch, 10-bit | 11 ch, 10-bit |
| nanoWatt XLP | Yes (LF, XLP) | Yes (XLP) | Yes (XLP) | Yes (XLP) | Yes (LF, XLP) | Yes (XLP) |
| Automotive Qualified | No (industrial I grade) | No | No | No | No | No |
关键差异点
- Lowest minimum VDD in the F727 footprint family （对比 PIC16F727-I/MV)
- 2x lower minimum VDD than newer-generation PIC16F18856 （对比 PIC16F18856-I/MV)
- Lower unit cost than higher-memory siblings （对比 PIC16F1847-I/MV)
设计说明
Estimated: at 3.3 V VDD and 4 MHz active CPU, the PIC16LF727-I/MV draws approximately 1.0 to 1.5 mA. In sleep mode with peripherals gated, current drops to under 100 nA typical. Decouple VDD with a 100 nF ceramic placed within 5 mm of the VDD pin, plus a 10 uF bulk capacitor on the supply rail. For sub-1.8 V start-up scenarios (e.g., depleted coin cell), include a power-on-reset delay and verify the comparator reference is configured before enabling ADC reads.
Estimated: the UQFN-40 (MV) package has a thermal resistance (theta_JA) in the range of 30 to 40 C/W on a 4-layer JEDEC test board. The PIC16LF727's typical active power at 4 MHz and 3.3 V is well below 10 mW, so junction temperature rise is negligible. However, mounting the central exposed pad (pin 40) to a continuous ground plane with multiple thermal vias is required for both electrical reference and mechanical reliability.
Route the ICSP signals (PGC on RB6, PGD on RB7, MCLR/VPP) to a 6-pin or 5-pin programming header with 0.1 inch pitch for in-circuit debugging. Keep traces under 50 mm and avoid routing sensitive analog ADC inputs (AN0-AN4) adjacent to digital switching signals. Add ground stitching vias around the UQFN pad perimeter to suppress radiated noise; keep analog AVSS (when used as separate ground) tied to digital VSS at a single point.
Do not confuse the LF (1.8 V to 3.6 V) variant with the F (2.0 V to 5.5 V) variant when sourcing - PIC16F727-I/MV will not start at 1.8 V VDD. Do not float unused I/O pins; configure them as outputs low to minimize sleep current and prevent oscillator injection. The ADC maximum input must stay below VDD + 0.3 V; over-voltage on an analog pin will inject current into adjacent channels through the ESD clamp. Always read the configuration word at reset and verify the brown-out reset threshold is appropriate for your supply rail.
合规信息
RoHS compliant per Microchip product page. Industrial I grade (-40 C to +85 C). For automotive AEC-Q100 qualified variants, refer to PIC16F727-E/MV or PIC16F1847-E/MV automotive suffixes.
