PIC16LF727-I/ML - 14KB Flash 20MHz 8-bit MCU | Microchip 44-QFN
MPN: PIC16LF727-I/ML ✓ פעילPIC16LF727-I/ML סקירה
A microcontroller (MCU) is a single-chip computer that contains a processor core, program and data memory, and integrated peripherals. The PIC16 family uses a RISC-based 8-bit core optimized for deterministic behavior and low power consumption, and the LF prefix indicates a wide-voltage CMOS variant suitable for battery-powered designs. PIC16F/LF MCUs sit below PIC18 and dsPIC parts in Microchip's 8-bit hierarchy while offering higher pin counts and richer peripherals than baseline PIC10/12/16 devices.
Key features include nanoWatt XLP technology for sub-microamp sleep currents, a brown-out reset (BOR) circuit, a 10-bit Pulse-Width Modulation (PWM) module, up to four 8-bit timers plus one 16-bit timer, and an ICD (In-Circuit Debug) interface. The integrated 16-level hardware stack and 49 instruction word set simplify firmware development in MPLAB X IDE with XC8 compiler support.
The 44-QFN (ML) package provides compact board mounting for space-constrained designs while exposing up to 36 I/O pins. Internal 16 MHz and 32 MHz LF oscillator options reduce external component count, and an internal 31 kHz LF oscillator supports low-power real-time-clock-style applications. Peripherals share flexible pin-mapping via Peripheral Pin Select (PPS) where applicable.
Typical applications include consumer appliances, IoT sensor nodes, battery-powered instruments, LED lighting controllers, small motor control (PWM-driven), remote controls, USB-HID bridges via external transceiver, and industrial sensor interfaces. The combination of low power, ample Flash, and rich analog peripherals makes it well suited for mixed-signal front-end designs.
When designing with this part, allocate decoupling capacitors (100 nF and 10 uF) close to VDD/AVDD/VSS, ensure the ICSPDAT/ICSPCLK pins are accessible for in-circuit programming, and validate the MCLR pull-up network. For low-power targets, use the nanoWatt XLP sleep modes with WDT disabled and follow the datasheet's IDD vs. VDD curves for accurate battery-life modeling.
This page synthesizes distributor pricing, drop-in package-compatible alternatives from Microchip's PIC16 portfolio, and practical design notes not found in the manufacturer datasheet alone.
חלופות תחליף ישיר עבור PIC16LF727-I/ML — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם PIC16LF727-I/ML (אותו גורם צורה וטביעת רגל) — שונים ב Package, ADC, Operating Temperature, Timers, Core Architecture.
PIC16LF727-I/PT
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
PIC16LF727-E/ML
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC16LF726-I/ML
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
PIC16LF722-I/ML
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC16LF722A-I/ML
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC16LF1939-I/ML
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC16LF727-I/ML דירוגים מרביים ומאפיינים חשמליים
| Core Architecture | 8-bit PIC16 RISC |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| RAM | 368 bytes |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 20 MHz |
| Supply Voltage (VDD) | 1.8 V to 5.5 V |
| I/O Pins | 36 |
| ADC | 8-bit, 14 channels |
| PWM Modules | 10-bit, up to 4 outputs |
| Timers | 4 x 8-bit + 1 x 16-bit |
| Communication Interfaces | I2C, SPI, EUSART (Enhanced USART) |
| Low-Power Technology | nanoWatt XLP |
| Brown-out Reset | Yes (BOR) |
| טמפרטורת פעולה | -40 C to +85 C (Industrial -I grade) |
| מארז | 44-pin QFN (8x8 mm) - ML |
| סוג הרכבה | Surface Mount |
| רמת MSL | 3 (168 hours) |
| סטטוס RoHS | Compliant |
תצורת פינים של PIC16LF727-I/ML
| פין 1 | RA0/AN0/C1IN+/ICSPDAT — Digital I/O / Analog input / Comparator input / ICD data |
| פין 2 | RA1/AN1/C1IN-/ICSPCLK — Digital I/O / Analog input / Comparator input / ICD clock |
| פין 3 | RA2/AN2 — Digital I/O / Analog input |
| פין 4 | RA3/AN3/VREF+ — Digital I/O / Analog input / ADC positive reference |
| פין 5 | RA4/AN4 — Digital I/O / Analog input |
| פין 6 | RA5/AN5 — Digital I/O / Analog input |
| פין 7 | RA6 — Digital I/O |
| פין 8 | RA7 — Digital I/O |
| פין 9 | VSS — Ground |
| פין 10 | VDD — Positive supply voltage |
| פין 11 | RB0/AN12 — Digital I/O / Analog input |
| פין 12 | RB1/AN10 — Digital I/O / Analog input |
| פין 13 | RB2/AN8 — Digital I/O / Analog input |
| פין 14 | RB3/AN9 — Digital I/O / Analog input |
| פין 15 | RB4 — Digital I/O |
| פין 16 | RB5 — Digital I/O |
| פין 17 | RB6 — Digital I/O |
| פין 18 | RB7 — Digital I/O |
| פין 19 | VSS — Ground |
| פין 20 | VDD — Positive supply voltage |
| פין 21 | RC0 — Digital I/O |
| פין 22 | RC1 — Digital I/O |
| פין 23 | RC2 — Digital I/O |
| פין 24 | RC3 — Digital I/O |
| פין 25 | RC4 — Digital I/O |
| פין 26 | RC5 — Digital I/O |
| פין 27 | RC6 — Digital I/O |
| פין 28 | RC7 — Digital I/O |
| פין 29 | VSS — Ground |
| פין 30 | VDD — Positive supply voltage |
| פין 31 | RD0 — Digital I/O |
| פין 32 | RD1 — Digital I/O |
| פין 33 | RD2 — Digital I/O |
| פין 34 | RD3 — Digital I/O |
| פין 35 | RD4 — Digital I/O |
| פין 36 | RD5 — Digital I/O |
| פין 37 | RD6 — Digital I/O |
| פין 38 | RD7 — Digital I/O |
| פין 39 | VSS — Ground |
| פין 40 | VDD — Positive supply voltage |
| פין 41 | RE0 — Digital I/O |
| פין 42 | RE1 — Digital I/O |
| פין 43 | RE2 — Digital I/O |
| פין 44 | MCLR/VPP — Master clear reset / programming voltage |
יישומים טיפוסיים
PIC16LF727-I/ML מתאים עבור 6 יישוםs: Battery-Powered IoT Sensor Node, Consumer Appliance Control Panel, LED Lighting Controller, Small Motor and Fan Controller, Industrial Sensor Interface Module, Remote Control and HID Device.
Battery-Powered IoT Sensor Node
The PIC16LF727-I/ML is well matched to battery-powered IoT sensor nodes thanks to its nanoWatt XLP technology delivering sub-microamp sleep currents and its wide 1.8V to 5.5V operating range that supports 2xAA, coin-cell, or single-cell Li-ion chemistries directly. With 14 KB of Flash, the part can host sensor drivers, a small MQTT-SN or LoRaWAN stack, and application logic without external memory. The 14-channel 8-bit ADC digitizes multiple analog sensors (temperature, light, voltage) while the EUSART and I2C peripherals drive radio or sensor modules. Power dissipation in sleep with watchdog disabled is in the hundreds of nA, enabling multi-year battery life when duty-cycled.
מומלץ
Consumer Appliance Control Panel
In consumer appliance control panels (washing machines, microwave ovens, coffee makers, air purifiers), the PIC16LF727-I/ML drives LED or 7-segment displays via its PWM and GPIO, reads keypads through ADC or matrix scanning, and communicates with motor or sensor subsystems through I2C or SPI. Its 36 I/O pins accommodate multi-button interfaces, multiple status LEDs, and rotary encoders. The 256-byte EEPROM stores user settings (mode, timer values) that persist across power cycles, and the brown-out reset prevents corruption during brown-outs typical of inductive loads. Industrial temperature grade (-40 to +85 C) suits kitchen and laundry environments.
מומלץ
LED Lighting Controller
The PIC16LF727-I/ML is a strong fit for LED lighting controllers - its 10-bit PWM module with up to 4 outputs drives RGB or RGBW channels directly through MOSFET gates, and its 14-channel ADC reads ambient light sensors and potentiometer dimming inputs. The 1.8V to 5.5V supply range allows direct operation from rectified 3.3V or 5V rails without additional regulation. With 14 KB of Flash, designers can implement smooth logarithmic dimming curves, color-temperature presets, and simple DMX-512 or DALI receive logic in firmware. The 256-byte EEPROM stores the last user setting after power-down.
מומלץ
Small Motor and Fan Controller
The PIC16LF727-I/ML drives small DC motors, fans, or blowers via its 10-bit PWM outputs connected to logic-level MOSFET gates or H-bridge driver ICs. Its four 8-bit timers plus one 16-bit timer provide the resolution needed for closed-loop RPM control via tachometer feedback, while the EUSART interface accepts speed commands from a host processor. With 36 I/O pins, multiple motors or fan channels can be driven from a single MCU. nanoWatt XLP sleep mode is valuable when the appliance is in standby - the controller draws microamps and wakes on button press or serial command.
מומלץ
Industrial Sensor Interface Module
In industrial sensor interface modules (4-20 mA loops, bridge amplifiers, RTD conditioners), the PIC16LF727-I/ML digitizes analog signals with its 14-channel 8-bit ADC, performs linearization and scaling in firmware, and transmits results via RS-485 (EUSART) or isolated I2C. The industrial -40 to +85 C temperature range supports factory floor environments, and the wide 4.0V to 5.5V operation at 20 MHz handles the supply ripple common in industrial 24V-bus systems. The 256-byte EEPROM stores calibration coefficients unique to each sensor module.
מומלץ
Remote Control and HID Device
The PIC16LF727-I/ML is well suited for handheld remote controls, presentation clickers, and simple USB-HID bridges - its nanoWatt XLP sleep current of sub-microamp extends battery life to multiple years on coin cells, while the 14 KB Flash supports capacitive-touch button scanning via the CTMU peripheral and complex IR or RF protocols. The 14-channel ADC reads multi-axis joysticks or potentiometers, and the 10-bit PWM drives IR LEDs for line-of-sight transmission. Multiple communication peripherals (I2C, SPI, EUSART) enable connection to companion BLE or LoRa modules.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור PIC16LF727-I/ML — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | PIC16LF727-E/ML | PIC16LF726-I/ML | PIC16LF722-I/ML | PIC16LF722A-I/ML | PIC16LF1939-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (8x8 mm) - ML | 44-QFN (8x8 mm) - ML - same | 44-QFN (8x8 mm) - ML - same | 44-QFN (8x8 mm) - ML - same | 44-QFN (8x8 mm) - ML - same | 44-QFN (8x8 mm) - ML - same |
| Flash Memory | 14 KB | 14 KB - same | 14 KB - same | 4 KB (-71%) | 4 KB (-71%) | 16 KB (+14%) |
| RAM | 368 bytes | 368 bytes - same | 368 bytes - same | 128 bytes (-65%) | 128 bytes (-65%) | 1024 bytes (+178%) |
| CPU Frequency | 20 MHz | 20 MHz - same | 20 MHz - same | 20 MHz - same | 20 MHz - same | 32 MHz (+60%) |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V - same | 1.8 V to 5.5 V - same | 1.8 V to 5.5 V - same | 1.8 V to 5.5 V - same | 1.8 V to 5.5 V - same |
| Temperature Grade | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +85 C - same | -40 C to +85 C - same | -40 C to +85 C - same | -40 C to +85 C - same |
מבדילים עיקריים
- Highest Flash in 44-QFN PIC16F/LF7xx family (לעומתPIC16LF722-I/ML)
- Wide 1.8 V to 5.5 V supply range (לעומתPIC16F727-I/ML)
- nanoWatt XLP extreme-low-power technology (לעומתPIC16LF1939-I/ML)
- 14-channel 8-bit ADC with sleep-mode operation (לעומתPIC16LF722A-I/ML)
הערות תכנון
Place a 100 nF decoupling capacitor as close as possible to each VDD pin (10, 20, 30, 40), and a single 10 uF bulk capacitor near the package. Add a 100 nF capacitor on AVDD/AVSS if present. For nanoWatt XLP designs, follow the datasheet's IDD vs. VDD curves - estimated: at 3.3 V with 16 MHz HFINTOSC active, typical IDD is around 1.5 mA; with the MCU in sleep and WDT disabled, IDD drops to sub-microamp. Disable unused peripherals in firmware to minimize sleep current.
Do not leave the MCLR pin floating - connect a 10 kOhm pull-up to VDD. The ICSPDAT and ICSPCLK pins (RA0/RA1) are shared with general I/O and must be accessible for in-circuit programming; if used as outputs, ensure the load does not prevent debugger communication. Use configuration bits to disable the watchdog timer in low-power designs unless explicit WDT wake-up is needed. Read the configuration word carefully: PIC16LF727 uses a 14-bit configuration register at address 0x2007.
The 44-QFN (ML) package requires careful PCB thermal management. The exposed thermal pad (EP) on the bottom of the package must be soldered to a copper pad on the PCB, with at least 8 thermal vias connecting to an internal ground plane to dissipate heat in high-current applications. Although the LF727 is not a high-power device, proper EP soldering improves mechanical reliability and reduces ground bounce. Keep the QFN land pattern per IPC-7351 nominal with 0.4 mm pad pitch.
Route the crystal/oscillator traces (if using external oscillator) short and symmetric, with a guard ground ring to reduce EMI coupling. Keep ADC analog traces (AN0-AN13) away from switching digital traces to minimize crosstalk. Place the ICSP connector on the board edge or accessible test point area for production programming. The EUSART TX/RX lines should be length-matched if used at high baud rates (>115200) to avoid signal integrity issues.
מידע על תאימות
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - choose PIC16F/LF7xx -E variants or PIC18F family for automotive. Lead-free finish per JEDEC J-STD-020 MSL3.
