PIC16LF19186T-I/PT - 8-Bit XLP MCU, 28KB Flash, 48-TQFP | Microchip
MPN: PIC16LF19186T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $2.94 | $29.40 |
| 100 | $2.45 | $245.00 |
| 500 | $2.1 | $1,050.00 |
| 1,000 | $1.85 | $1,850.00 |
| 3,000 | $1.62 | $4,860.00 |
PIC16LF19186T-I/PT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals including timers, communication interfaces (UART, SPI, I2C), analog-to-digital converters (ADC), and I/O pins. The PIC16 architecture uses a modified Harvard RISC core, which separates program and data buses for predictable instruction timing. Within Microchip's portfolio, PIC16 sits between the PIC10/12/14 entry-level families and the PIC18 high-performance 8-bit family; battery-powered MCU applications typically pair PIC16LF devices with XLP (eXtreme Low Power) peripherals for sleep currents in the nanoamp range.
The PIC16LF19186T-I/PT integrates XLP low-power technology with Core Independent Peripherals (CIPs) including CWG, NCO, and PWM, plus an integrated LCD driver with charge pump and high-current I/Os. It features a 12-bit ADC2 with computation (ADC^2), two 10-bit DACs, and a comprehensive set of communication peripherals. Designed for ultra-low-power battery applications, it supports sleep currents as low as 30 nA with RTC and an operating current of approximately 35 uA/MHz, which directly extends battery life in portable designs.
Typical applications include battery-powered LCD instrumentation (utility meters, portable medical devices), IoT sensor nodes, automotive body controllers, low-power industrial sensors, consumer wearables, and remote control units. The integrated charge pump and high-current I/O make the part especially suited for direct LED drive and segmented LCD glass.
When designing with this MCU, ensure your toolchain supports the PIC16F191xx device ID. MPLAB X IDE with XC8 compiler is the canonical development environment. Provide a stable decoupling network (100 nF + 10 uF) near each VDD pin pair and route the ICSP clock/data lines so they remain accessible for in-circuit programming on the production board.
This page synthesizes distributor pricing for PIC16LF19186T-I/PT, drop-in alternatives within the PIC16LF191xx family, and practical design notes not found in the datasheet summary.
Drop-in alternatives for PIC16LF19186T-I/PT — 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 PIC16LF19186T-I/PT (same form factor and footprint) — differing in DAC, Operating Temperature, ADC, Package, Comparators.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF19186-I/PT
✅ Drop-In✓ In Stock
$1.52 / Unit
View Datasheet →PIC16F19186T-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF19176T-I/PT
✅ Drop-In✓ In Stock
$1.74 / Unit
View Datasheet →PIC16LF19196T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.95 / Unit
View Datasheet →PIC16LF18876T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.18 / Unit
View Datasheet →PIC16LF18877-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.62 / Unit
View Datasheet →PIC16LF19186T-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 8-bit RISC (modified Harvard) |
| Family | PIC® XLP™ 16F, PIC16LF191xx Series |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| Data Memory (SRAM) | 2 KB |
| EEPROM | 256 bytes |
| Maximum CPU Clock | 32 MHz |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial "I") |
| ADC | 12-bit ADC2 with computation (ADC^2) |
| DAC | Two 10-bit DACs |
| Comparators | Yes |
| Timers | Multiple 8/16-bit timers with CCP |
| Communication | UART, SPI, I2C |
| LCD Driver | Integrated with charge pump |
| PWM | Yes (multiple channels) |
| Core Independent Peripherals | CWG, NCO, PWM |
| Package | 48-TQFP (7x7 mm) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free / Halogen-Free | Yes / Yes |
PIC16LF19186T-I/PT Pin Configuration
| Pin 1 | RE3/MCLR/VPP — Digital I/O / Master Clear Reset / Programming voltage |
| Pin 2 | RA0 — PORTA digital I/O / analog input |
| Pin 3 | RA1 — PORTA digital I/O / analog input |
| Pin 4 | RA2 — PORTA digital I/O / analog input |
| Pin 5 | RA3 — PORTA digital I/O / analog input |
| Pin 6 | RA4 — PORTA digital I/O / analog input |
| Pin 7 | RA5 — PORTA digital I/O / analog input |
| Pin 8 | RA6 — PORTA digital I/O / analog input |
| Pin 9 | RA7 — PORTA digital I/O / analog input / SEG |
| Pin 10 | GND — Ground reference |
| Pin 11 | RB0 — PORTB digital I/O / analog input |
| Pin 12 | RB1 — PORTB digital I/O / analog input |
| Pin 13 | RB2 — PORTB digital I/O / analog input |
| Pin 14 | RB3 — PORTB digital I/O / analog input |
| Pin 15 | RB4 — PORTB digital I/O / analog input |
| Pin 16 | RB5 — PORTB digital I/O / analog input |
| Pin 17 | RB6 — PORTB digital I/O / ICSPCLK |
| Pin 18 | RB7 — PORTB digital I/O / ICSPDAT |
| Pin 19 | GND — Ground reference |
| Pin 20 | VDD — Positive supply voltage |
| Pin 21 | RC0 — PORTC digital I/O / analog input |
| Pin 22 | RC1 — PORTC digital I/O / analog input |
| Pin 23 | RC2 — PORTC digital I/O / analog input |
| Pin 24 | RC3 — PORTC digital I/O / analog input |
| Pin 25 | RC4 — PORTC digital I/O |
| Pin 26 | RC5 — PORTC digital I/O |
| Pin 27 | RC6 — PORTC digital I/O |
| Pin 28 | RC7 — PORTC digital I/O |
| Pin 29 | RD0 — PORTD digital I/O / LCD segment |
| Pin 30 | RD1 — PORTD digital I/O / LCD segment |
| Pin 31 | RD2 — PORTD digital I/O / LCD segment |
| Pin 32 | RD3 — PORTD digital I/O / LCD segment |
| Pin 33 | RD4 — PORTD digital I/O / LCD segment |
| Pin 34 | RD5 — PORTD digital I/O / LCD segment |
| Pin 35 | RD6 — PORTD digital I/O / LCD segment |
| Pin 36 | RD7 — PORTD digital I/O / LCD segment |
| Pin 37 | RE0 — PORTE digital I/O / LCD segment |
| Pin 38 | RE1 — PORTE digital I/O / LCD segment |
| Pin 39 | RE2 — PORTE digital I/O / LCD segment |
| Pin 40 | GND — Ground reference |
| Pin 41 | VDD — Positive supply voltage |
| Pin 42 | RF0 — PORTF digital I/O / LCD segment |
| Pin 43 | RF1 — PORTF digital I/O / LCD segment |
| Pin 44 | RF2 — PORTF digital I/O / LCD segment |
| Pin 45 | RF3 — PORTF digital I/O / LCD segment |
| Pin 46 | RF4 — PORTF digital I/O / LCD segment |
| Pin 47 | RF5 — PORTF digital I/O / LCD segment |
| Pin 48 | RF6/VCAP — PORTF digital I/O / Voltage regulator capacitor (core supply) |
Typical Applications
PIC16LF19186T-I/PT is suitable for 7 applications: Battery-Powered LCD Instrumentation, Industrial Sensor Hubs with Local LCD, Automotive Body and Interior Modules, Consumer Wearables and Fitness Bands, IoT Edge Sensor Nodes, Home Appliance User Interfaces, Medical Point-of-Care Devices.
Battery-Powered LCD Instrumentation
The PIC16LF19186T-I/PT is a natural fit for utility meters, handheld medical readers, and other 1.8-3.6 V single-cell lithium designs. Its integrated LCD driver with charge pump supports segmented glass directly without an external VLCD boost circuit, while the XLP sleep current around 30 nA (RTC running) lets a CR2032 cell survive multi-year deployments. The 12-bit ADC2 with computation oversamples for precise sensor readings even in low-power modes.
Recommended
Industrial Sensor Hubs with Local LCD
For factory-floor sensor nodes that display readings on a segment LCD, the PIC16LF19186T-I/PT combines Core Independent Peripherals (CWG, NCO, PWM) for sensor excitation with the integrated LCD controller for display drive. The 32 MHz core handles Modbus-over-RS485 framing at 115.2 kbps while remaining under 35 uA/MHz active current. Industrial -40C to +85C rating supports outdoor enclosures.
Recommended
Automotive Body and Interior Modules
Body controllers such as mirror adjusters, seat-position memories, and ambient-light modules need AEC-Q100-grade 8-bit control. The PIC16LF19186T-I/PT family delivers CIP-driven switch debouncing and PWM lighting control without CPU load. Pair the PIC with a LIN transceiver for sub-network communication; multiple UARTs on the PIC enable simultaneous LIN and diagnostic K-line interfaces in 12 V automotive body systems.
Recommended
Consumer Wearables and Fitness Bands
Wearables demand nan-amp sleep current for standby days and micro-amp active current during sampling. The PIC16LF19186T-I/PT's XLP mode draws 30 nA in retention, with fast wake-up via the RTCC. Use ADC2 to oversample heart-rate or motion data; the integrated 10-bit DAC can drive bias voltages for optical sensors. The 48-TQFP keeps BOM small for slim wearable housings.
Recommended
IoT Edge Sensor Nodes
Edge sensor nodes that harvest energy or run on coin cells need both wired and wireless-friendly interfaces. The PIC16LF19186T-I/PT provides UART/SPI/I2C for direct radio-module connection, plus PWM and 12-bit ADC for sensor conditioning. Core Independent Peripherals handle event responses without waking the CPU, extending battery life. The LCD driver doubles as a low-power diagnostic display when wired commissioning is required.
Recommended
Home Appliance User Interfaces
Refrigerator, oven, and washing-machine user interfaces combine segmented LCDs, capacitive-touch buttons, and motor-control signals. The PIC16LF19186T-I/PT drives up to 48-segment LCD via integrated charge pump, scans touch sensors with the CTMU peripheral, and generates PWM for variable-speed motor drives or LED backlight dimming. Industrial temperature range covers appliance operating environments.
Recommended
Medical Point-of-Care Devices
Glucose meters, pulse oximeters, and portable diagnostic readers need reliable LCD readouts, accurate ADCs, and very low standby current for shelf life. The PIC16LF19186T-I/PT's 12-bit ADC2 with computation supports hardware-averaged readings, while its 30 nA sleep current extends shelf life beyond five years on a coin cell. The integrated LCD driver eliminates the need for an external display ASIC, reducing BOM and risk.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF19186T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF19186-I/PT | PIC16F19186T-I/PT | PIC16LF19176T-I/PT | PIC16LF19196T-I/PT |
|---|---|---|---|---|---|
| Package | 48-TQFP (PT) 7x7 mm | 48-TQFP (PT) 7x7 mm - same | 48-TQFP (PT) 7x7 mm - same | 48-TQFP (PT) 7x7 mm - same | 48-TQFP (PT) 7x7 mm - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 28 KB | 28 KB | 28 KB | 28 KB | 32 KB |
| SRAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| Operating Voltage | 1.8 V to 3.6 V | 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 |
| Maximum CPU Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Integrated LCD Driver | Yes (with charge pump) | Yes | Yes | Yes | Yes |
| Packing Format | Tape & Reel | Tray | Tape & Reel | Tape & Reel | Tape & Reel |
Key Differentiators
- Integrated charge-pump LCD driver with XLP sub-100 nA sleep (vs PIC16LF18877-I/PT)
- Extended ADC2 with computation engine (vs PIC16LF19176T-I/PT)
- Low-voltage LF operation down to 1.8 V (vs PIC16F19186T-I/PT)
Design Notes
Provide a 100 nF X7R + 10 uF X5R decoupling pair close to each VDD pin (pins 20 and 41 on 48-TQFP). When using the on-chip voltage regulator, add a 1 uF + 100 nF pair on the VCAP pin (pin 48) per the Microchip family datasheet DS40002337. For battery applications, switch the ADC2 to its low-power mode to keep the analog supply current under 300 uA during periodic sensor conversions.
Route ICSPCLK (RB6) and ICSPDAT (RB7) to a 6-pin programming header without series resistors in production hardware - the ICSP pins double as general I/O. Keep the MCLR/RE3 line free of large capacitance (under 470 pF) so the reset time constant stays below 5 ms. For LCD segments, route high-impedance tracks away from switching power traces to avoid ghost segments on the glass.
Do not exceed 3.6 V on any pin of PIC16LF19186 (use the F variant for 5 V tolerance). The charge pump's VLCD voltage must be discharged below 4 V before removing VDD, or the internal charge-pump capacitors can retain voltage and stress the IC at the next power-up. When migrating code between PIC16LF19186 and PIC16F19186, recheck A/D reference and brown-out thresholds - they differ between F and LF speed grades.
Compliance Information
RoHS compliant and lead-free per Microchip product page (verified 2026-09-25). For automotive applications, check the automotive-grade variant of PIC16F19186T-I/PT with AEC-Q100 qualification. MSL rating not surfaced in the retrieved distributor data; consult the family datasheet DS40002337 for floor-life details.
