PIC16LF1827-I/SO - 8-Bit XLP MCU 7KB Flash 18-SOIC | Microchip
MPN: PIC16LF1827-I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.45 | $2.45 |
| 10 | $2.18 | $21.80 |
| 100 | $1.85 | $185.00 |
| 500 | $1.62 | $810.00 |
| 1,000 | $1.4 | $1,400.00 |
PIC16LF1827-I/SO Overview
An 8-bit microcontroller (MCU) is a small computer-on-a-chip integrating a CPU core, program memory (Flash/ROM), data RAM, peripherals and I/O on a single die. The PIC16 family belongs to the broader category of microcontrollers > RISC microcontrollers > embedded controllers > semiconductors. Microchip's enhanced mid-range PIC16 architecture delivers 200 ns instruction execution with a 14-bit instruction word optimized for deterministic, real-time control code density.
Key features include 7 KB self-programmable Flash, 384 bytes SRAM, 256 bytes EEPROM, 16 digital I/O pins, a 32 MHz internal oscillator, and integrated peripherals supporting I²C, SPI and UART/USART connectivity. The mTouch™ capacitive-sensing module enables touch-button and slider interfaces directly from the MCU, while XLP™ (eXtreme Low Power) technology delivers nanoWatt sleep currents below 100 nA for battery-powered IoT designs.
The device supports an internal 32 MHz oscillator (factory calibrated to ±1%), 10-bit ADC with up to 12 channels, comparators, PWM modules, and Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART) for serial communication. Debug support is via the ICSP™ (In-Circuit Serial Programming) interface using Microchip's MPLAB® X IDE and PICkit™ programmers.
Typical applications include consumer electronics touch interfaces, IoT sensor nodes, battery-powered remote controls, low-power wireless sensor platforms, capacitive proximity detection, small home appliances, and LED lighting control. The combination of mTouch sensing and XLP nanoWatt standby makes it ideal for always-on, mains-free products where touch input replaces mechanical buttons.
When designing with this device, ensure the operating voltage stays within the 1.8V-3.6V range (the LF suffix denotes the low-voltage variant; use PIC16F1827 for 1.8V-5.5V operation). Place a 0.1 µF decoupling capacitor close to VDD and verify mTouch sensor layout guidelines in Microchip application notes to achieve robust capacitive sensing. The 18-SOIC package is hand-solderable and compatible with standard 300 mil SOIC footprints.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, helping engineers select, source and qualify the PIC16LF1827-I/SO for low-power embedded designs.
Drop-in alternatives for PIC16LF1827-I/SO — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16LF1827-I/SO (same form factor and footprint) — differing in Package, Operating Temperature, ADC, Timers, I/O Pins.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1827-I/SO
✅ Drop-In✓ In Stock
$1.82 / Unit
View Datasheet →PIC16LF1827T-I/SO
✅ Drop-In✓ In Stock
$1.15 / Unit
View Datasheet →PIC16LF1827-E/SO
✅ Drop-In✓ In Stock
$1.52 / Unit
View Datasheet →PIC16LF1827-I/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1826-I/SO
✅ Drop-In✓ In Stock
$0.98 / Unit
View Datasheet →PIC16F1827T-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1827-I/ML
✅ Drop-In✓ In Stock
$1.54 / Unit
View Datasheet →PIC16LF1827-I/SO Maximum Ratings & Electrical Characteristics
| Product Family | PIC® XLP™ mTouch™ 16F |
| Core Processor | PIC |
| Core Size | 8-bit |
| Max CPU Speed | 32 MHz |
| Instruction Cycle | 200 ns |
| Program Memory (Flash) | 7 KB (4K x 14) |
| Data RAM | 384 bytes |
| Data EEPROM | 256 bytes |
| Operating Voltage Range | 1.8 V to 3.6 V |
| I/O Pins | 16 |
| Package | 18-SOIC (7.50 mm / 300 mil) |
| Mounting Type | Surface Mount |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT, mTouch™ |
| Internal Oscillator | 32 MHz (factory calibrated) |
| Operating Temperature | -40 °C to +85 °C (industrial) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16LF1827-I/SO Pin Configuration
| Pin 1 | RA5 — Bidirectional I/O, ICSP data, ICD function |
| Pin 2 | RA4 — Bidirectional I/O, Timer0 clock input |
| Pin 3 | RA3/MCLR/VPP — Input only, Master Clear reset or ICSP programming voltage |
| Pin 4 | RC5 — Bidirectional I/O, EUSART TX/CK |
| Pin 5 | RC4 — Bidirectional I/O, PWM output |
| Pin 6 | RC3 — Bidirectional I/O, SCL/MSSP I²C clock |
| Pin 7 | RC2 — Bidirectional I/O, PWM output |
| Pin 8 | RC1 — Bidirectional I/O, analog input |
| Pin 9 | RC0 — Bidirectional I/O, analog input |
| Pin 10 | VSS3 — Ground reference |
| Pin 11 | RC7 — Bidirectional I/O, RX/DT EUSART receive |
| Pin 12 | RC6 — Bidirectional I/O, TX/CK EUSART transmit |
| Pin 13 | RB7 — Bidirectional I/O, ICSP programming clock |
| Pin 14 | RB6 — Bidirectional I/O, ICSP programming data |
| Pin 15 | RB5 — Bidirectional I/O, analog input, mTouch |
| Pin 16 | RB4 — Bidirectional I/O, analog input, mTouch |
| Pin 17 | VDD — Positive supply voltage (1.8V to 3.6V) |
| Pin 18 | RA2 — Bidirectional I/O, analog input |
Typical Applications
PIC16LF1827-I/SO is suitable for 6 applications: Capacitive Touch Button Interfaces, Battery-Powered IoT Sensor Nodes, Remote Control and Consumer Electronics, Small Home Appliance Control, LED Lighting Control, Industrial Sensor Conditioning.
Capacitive Touch Button Interfaces
Consumer appliance and IoT control panels benefit from the PIC16LF1827-I/SO's integrated mTouch™ capacitive-sensing module, which eliminates mechanical switches and supports up to 12 touch buttons without external components. The 32 MHz core and 7 KB Flash comfortably handle debounce, gesture and LED-tog library routines. With XLP™ sleep currents below 100 nA, mains-free touch remotes can run for years on CR2032 cells.
Recommended
Battery-Powered IoT Sensor Nodes
Wireless sensor endpoints measuring temperature, humidity or motion leverage the PIC16LF1827-I/SO's XLP™ nanoWatt sleep modes (below 100 nA typical) to achieve multi-year battery life on a single coin cell. The integrated 32 MHz internal oscillator eliminates external crystals, while I²C/SPI connectivity supports BME280 or SHT3x environmental sensors. The 7 KB Flash handles periodic sample-and-transmit firmware with margin for OTA updates.
Recommended
Remote Control and Consumer Electronics
IR/RF remote controls for TV, set-top boxes and audio equipment fit the PIC16LF1827-I/SO's 7 KB Flash, low BOM cost and 18-SOIC hand-solderable footprint. The integrated UART/USART supports wireless module control and the EUSART handles IR carrier generation for NEC/RC5/RC6 protocols. XLP™ sleep below 1 µA enables years of standby on two AAA cells with active wake-up at button press.
Recommended
Small Home Appliance Control
Coffee makers, blenders, fans and humidifiers use the PIC16LF1827-I/SO for relay/triac switching and PWM-controlled motor drive of small DC fans. The 10-bit ADC reads NTC temperature sensors while the on-chip comparators detect zero-cross for AC line triac firing. The 1.8-3.6 V operating range lets the MCU share a 3.3 V LDO with logic-level sensor interfaces.
Recommended
LED Lighting Control
Smart LED drivers and dimmers integrate the PIC16LF1827-I/SO for PWM dimming control of constant-current LED strings via the on-chip Capture/Compare/PWM module. I²C connectivity drives WS2812 or APA102 LED chains for addressable RGB lighting. The 7 KB Flash fits standard DMX512 or DALI-derivative lighting protocols while the XLP™ sleep enables standby-compliant energy-star designs.
Recommended
Industrial Sensor Conditioning
Factory-floor 4-20 mA loop-powered transmitters and panel-meter front-ends use the PIC16LF1827-I/SO for ADC sampling, linearization and HMI display driving. The 32 MHz core performs floating-point temperature compensation; the EUSART supports Modbus RTU over RS-485 transceivers. Industrial-grade -40 to +85 °C operation is standard on the I-temp part with the E variant extending to +125 °C.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1827-I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1827-I/SO | PIC16LF1827T-I/SO | PIC16LF1827-E/SO | PIC16LF1826-I/SO | PIC16F1827T-I/SO |
|---|---|---|---|---|---|---|
| Package | 18-SOIC (300 mil) | 18-SOIC (300 mil) - same | 18-SOIC (300 mil) - same | 18-SOIC (300 mil) - same | 18-SOIC (300 mil) - same | 18-SOIC (300 mil) - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 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 | 1.8 V to 5.5 V |
| Flash Memory | 7 KB | 7 KB | 7 KB | 7 KB | 3.5 KB | 7 KB |
| RAM | 384 bytes | 384 bytes | 384 bytes | 384 bytes | 256 bytes | 384 bytes |
| I/O Pins | 16 | 16 | 16 | 16 | 17 | 16 |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +125 °C | -40 °C to +85 °C | -40 °C to +85 °C |
| mTouch™ Sensing | Yes | Yes | Yes | Yes | Yes | Yes |
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Key Differentiators
- Lower voltage range for battery and energy-harvesting designs (vs PIC16F1827-I/SO)
- Larger program memory than PIC16LF1826-I/SO (vs PIC16LF1826-I/SO)
- Extended-temperature grade available in same pinout (vs PIC16LF1827T-I/SO)
Design Notes
The PIC16LF1827-I/SO operates from 1.8 V to 3.6 V (LF suffix). Place a 0.1 µF ceramic decoupling capacitor within 5 mm of the VDD pin (pin 17), ideally with a low-ESR 10 µF bulk capacitor on the same rail. For battery applications, a ferrite bead between battery and MCU VDD reduces conducted noise from PWM/mTouch operations during heavy load transients. Estimated: at 32 MHz active current is approximately 5 mA, so quiescent-friendly designs should minimize active duty cycle.
Avoid connecting the ICSP programming pins (RB6/ICSPDAT and RB7/ICSPCLK) directly to external circuitry without buffering - this can interfere with in-circuit programming. Per the Microchip datasheet, MCLR/VPP must have a pull-up resistor (typically 10 kΩ) and a 0.1 µF capacitor to ground for proper reset behavior. Do not apply voltage above 3.6 V on any I/O when running from the LF variant or back-powering via I/O can damage the device.
Keep trace lengths short between VDD/VSS pins and the decoupling capacitor. For mTouch™ capacitive-sensing pins, isolate sensor pads from high-frequency switching traces by at least 3 mm and connect them with narrow guard traces per Microchip TB3069 guidelines. Estimated: keeping ground pour uninterrupted under sensor pads improves touch sensitivity by 15-20% versus broken pour.
Route the 32 kHz Timer1 oscillator traces (if using an external watch crystal on RA4/RA5) with short, symmetric paths and a guarded ground ring to minimize capacitive coupling. Per the datasheet, the high-frequency internal 32 MHz oscillator is factory calibrated to ±1% and does not require any external compensation components, saving BOM cost in space-constrained designs.
Compliance Information
RoHS and lead-free compliant per Microchip product page. AEC-Q100 automotive qualification not applicable to LF1827 family - use PIC16F1827 automotive variants for AEC-Q100 applications.
