PIC16F19186-E/MV - 28KB Flash XLP LCD MCU | Microchip
MPN: PIC16F19186-E/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.78 | $37.80 |
| 100 | $3.36 | $336.00 |
| 500 | $2.99 | $1,495.00 |
| 1,000 | $2.65 | $2,650.00 |
PIC16F19186-E/MV Overview
A microcontroller (MCU) is a single-chip computer that combines a CPU, non-volatile program memory, working RAM, and a rich set of analog/digital peripherals behind configurable I/O pins. The PIC16F19186 belongs to the broader 8-bit MCU category, which sits beneath the hypernym hierarchy: microcontroller -> embedded controller -> semiconductor IC. Within the PIC family, the 'F' indicates Flash memory and 'XLP' denotes eXtreme Low Power technology with nanoWatt sleep currents, targeted at energy-harvesting and battery-powered LCD applications.
Key differentiating specifications include 28KB Flash, 2KB RAM, 256B EEPROM, 12-bit ADC2 with computation, integrated charge pump for low-Vdd LCD bias generation, and high-current I/O capable of directly driving LEDs and display segments. Core Independent Peripherals (CIPs) such as CWG, SMT, ZCD and CCP allow hardware-based state-machine behavior without CPU intervention, lowering active current and code complexity.
On the architecture side, the device uses Microchip's enhanced mid-range 8-bit core with a hardware stack and single-cycle instruction execution at 32 MHz. The LCD module supports up to 288 segments with contrast software control, and the integrated charge pump enables stable bias even from a single 1.8 V cell, removing the need for an external boost converter in many designs.
Typical applications include battery-powered LCD dashboards, IoT sensor nodes with glass-segment displays, medical glucose meters, e-paper/e-ink indicator panels, smart thermostats and utility metering. The wide operating voltage (1.8 V to 5.5 V) and ultra-low sleep currents allow multi-year coin-cell lifetimes.
When designing with this part, plan the PCB layout so the UQFN-48 exposed pad is soldered to a continuous copper pour for thermal relief and ground integrity. The PPS (Peripheral Pin Select) feature lets designers remap most digital peripherals to nearly any I/O, simplifying board routing when migrating from older PIC16 parts.
This page consolidates distributor pricing, drop-in 48-UQFN alternatives, and practical design notes beyond what the manufacturer datasheet alone provides, including a comparison table and selection guide to accelerate BOM decisions.
Drop-in alternatives for PIC16F19186-E/MV — 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 PIC16F19186-E/MV (same form factor and footprint) — differing in DAC, Package, ADC, Comparators, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F19176-I/MV
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F19175-E/MV
✅ Drop-In✓ In Stock
$1.78 / Unit
View Datasheet →PIC16F18876-E/MV
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F19155-E/MV
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F18875-E/MV
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F19186-E/MV Maximum Ratings & Electrical Characteristics
| Core | PIC16 8-bit enhanced mid-range |
| Family | PIC® XLP™ 16F |
| Program Memory (Flash) | 28 KB (16K x 14) |
| RAM | 2 KB |
| EEPROM | 256 B |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage | 1.8 V to 5.5 V |
| ADC | 12-bit ADC2 |
| DAC | Yes (on-chip) |
| LCD Segments | Up to 288 segments |
| LCD Charge Pump | Integrated |
| Comparators | Low-power comparators |
| Timers/Peripherals | PWM, CCP, CWG, SMT, ZCD, RTCC |
| PPS (Peripheral Pin Select) | Yes |
| Core Independent Peripherals (CIP) | Yes |
| Package | 48-UQFN (6x6 mm) with exposed pad |
| Operating Temperature | -40 °C to +125 °C |
| RoHS Status | Compliant |
PIC16F19186-E/MV 48-uqfn (6x6 mm) with exposed pad Pin Configuration Guide
Pin configuration for PIC16F19186-E/MV (48-uqfn (6x6 mm) with exposed pad package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for PIC16F19186-E/MV.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC16F19186-E/MV is suitable for 7 applications: Battery-Powered LCD Thermostat, Medical Glucose / Patient Meter, IoT Sensor Node with Segment Display, Utility / Water-Gas Meter with LCD, Automotive Dashboard Cluster (Secondary Display), Smart Home Control Panel with LCD, Industrial Process Indicator.
Battery-Powered LCD Thermostat
The PIC16F19186-E/MV is an excellent fit for battery-powered LCD thermostats because it integrates up to 288-segment LCD drive, a charge pump for stable bias from a single 1.8 V cell, and XLP nanoWatt sleep currents below 50 nA typical. The 12-bit ADC2 and on-chip temperature sensor channel enable direct thermistor or silicon-diode sensing without external signal conditioning. With 28 KB Flash, designers have ample room for proportional-integral control loops, scheduling, and BLE command parsing. Use the RTCC for timekeeping and ZCD for zero-crossing triac control of the HVAC load. Place a 100 nF decoupling cap on VDD and a 10 µF bulk on the AVdd pin to keep ADC noise under 1 LSB.
Recommended
Medical Glucose / Patient Meter
Glucose meters and patient-monitoring handhelds benefit from the PIC16F19186-E/MV's combination of low-power XLP operation, integrated 12-bit ADC2 for strip-current measurement, and segmented LCD drive for the result display. The on-chip DAC can drive a reference bias for the electrochemical strip, while the low-power comparator enables fast strip-insertion detection without waking the CPU. CWG and SMT peripherals let the meter generate accurate beep tones without software overhead, extending battery life. The 2 KB RAM buffer is sufficient for storing 100 test results with timestamps in the RTCC. Use PPS to remap the LCD COM/SEG lines away from analog pins during ADC measurements for clean readings.
Recommended
IoT Sensor Node with Segment Display
IoT sensor nodes that show readings on a glass-segment LCD benefit from PIC16F19186-E/MV's integrated charge pump and Core Independent Peripherals. The SMT timer can wake the MCU on a precise interval to read sensors via ADC2, while the CWG autonomously drives an IR or sub-GHz transmitter burst without CPU load. With 28 KB Flash and 2 KB RAM, designers can implement a LoRaWAN or Zigbee stack alongside LCD UI code. Sleep currents under 50 nA enable multi-year operation from a CR2032 coin cell. Use the PPS feature to route I2C/SPI to any pin, simplifying PCB layout when integrating multiple sensors behind a single MCU.
Recommended
Utility / Water-Gas Meter with LCD
Smart utility meters require a reliable LCD readout and ultra-low sleep current, both of which the PIC16F19186-E/MV delivers in a 48-UQFN footprint. The integrated charge pump drives 288 segments from a 3.6 V lithium primary cell, eliminating an external DC-DC converter. The 12-bit ADC2 captures pulse outputs from flow sensors, and the RTCC maintains time-of-use data across battery outages. With 28 KB Flash, the meter firmware can include tamper detection, tariff schedules, and wireless MBus or wM-Bus protocol stacks. The exposed UQFN pad provides thermal relief for high-temperature industrial deployments up to +125 °C.
Recommended
Automotive Dashboard Cluster (Secondary Display)
Secondary automotive displays (odometer modules, gear-position indicators, climate-zone LCDs) can use PIC16F19186-E/MV for their compact footprint and integrated LCD drive. While this part is not AEC-Q100 qualified, it serves well in non-safety dashboard subsystems with the -40 °C to +125 °C extended temperature range. The 12-bit ADC2 reads potentiometer inputs for HVAC control, and PWM outputs drive LED backlight brightness. CWG and CCP generate complementary PWM for motor speed control of blend doors. Use PPS to remap peripherals around dedicated analog LCD segment pins. For safety-critical applications choose a Q100-qualified PIC18 or dsPIC variant.
Recommended
Smart Home Control Panel with LCD
Wall-mounted smart-home control panels (thermostats, lighting controllers, security keypads) benefit from PIC16F19186-E/MV's ability to drive a multi-segment LCD directly while consuming less than 1 µA in sleep. The capacitive-touch-ready I/O combined with the low-power comparator enables touch-button sensing without an external touch IC. With 28 KB Flash, designers can implement Matter, Zigbee or Z-Wave stacks, while the 2 KB RAM buffers command queues. The RTCC provides accurate timekeeping for scheduling, and the integrated DAC can generate an audio alert tone. Use the UQFN-48 exposed pad for clean grounding of the LCD bias network.
Recommended
Industrial Process Indicator
Industrial panel meters for pressure, temperature, or flow use PIC16F19186-E/MV to display readings on a glass-segment LCD while accepting 4–20 mA or 0–10 V analog inputs through the 12-bit ADC2. The +125 °C extended temperature rating supports deployment in enclosed control cabinets. The RTCC timestamps events for alarm logs, and the 256-byte EEPROM stores calibration constants across power cycles. CWG and PWM peripherals can also drive a 4–20 mA output loop with appropriate external components. With PPS, designers can route SPI/I2C sensor interfaces away from LCD segment pins, simplifying PCB routing in dense industrial layouts.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F19186-E/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F19176-I/MV | PIC16F19175-E/MV | PIC16F18876-E/MV | PIC16F19155-E/MV | PIC16F18875-E/MV |
|---|---|---|---|---|---|---|
| Package | 48-UQFN (6x6 mm) | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 28 KB | 28 KB | 14 KB | 28 KB | 14 KB | 14 KB |
| RAM | 2 KB | 2 KB | 1 KB | 2 KB | 1 KB | 1 KB |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Integrated LCD Charge Pump | Yes (up to 288 segments) | Yes (up to 288 segments) | Yes (up to 288 segments) | Yes (LCD variant) | Yes (up to 288 segments) | Yes (LCD variant) |
| ADC | 12-bit ADC2 | 12-bit ADC2 | 12-bit ADC2 | 12-bit ADC2 | 12-bit ADC2 | 12-bit ADC2 |
| Approx. Unit Price (qty 1) | USD 4.20 | USD 4.00 | USD 3.60 | USD 3.90 | USD 3.40 | USD 3.50 |
Key Differentiators
- Integrated LCD charge pump on a 28 KB Flash / 2 KB RAM XLP MCU (vs PIC16F18855-E/SP)
- Highest memory in PIC16F191x6 UQFN-48 family (vs PIC16F19175-E/MV)
- Core Independent Peripherals (CIP) reduce CPU wake-ups (vs PIC16F19155-E/MV)
Design Notes
The PIC16F19186-E/MV 48-UQFN package has a center exposed thermal pad that must be soldered to a continuous ground copper pour (at least 25 mm²) for thermal dissipation and electrical grounding. Place a 100 nF decoupling capacitor within 2 mm of the VDD pin and a 10 µF bulk capacitor on the AVdd pin. Keep the LCD segment traces short and avoid routing digital signals directly beneath the LCD bias network to minimize injected display noise. Use a four-layer PCB with a dedicated ground plane for best EMC performance in noisy industrial environments.
Estimated: At 32 MHz active, VDD = 3.3 V, the PIC16F19186-E/MV draws approximately 2.5 mA typical (per XLP datasheet curves), while sleep current can drop below 50 nA in Retention mode. For battery-life calculations, model the duty cycle precisely: a thermostat that wakes every 10 s for 5 ms sees an average current of approximately 2.5 mA × 0.0005 + 50 nA ≈ 1.3 µA. The integrated LCD charge pump adds approximately 2 µA when active, so disable it during CPU sleep to maximize coin-cell lifetime. Always enable the BOR (Brown-Out Reset) feature when running from primary cells to prevent code corruption at end-of-life.
Do not skip configuration of the PPS (Peripheral Pin Select) registers – without explicit pin mapping, peripherals default to legacy PIC16 pin assignments that may conflict with LCD segment pins on the 'F19186. Verify that analog channels used by the 12-bit ADC2 are not also driving digital outputs through PPS, as this will damage the I/O. The LCD charge pump requires an external capacitor on the VLCAP pin (typically 1 µF X7R); omitting it prevents LCD bias generation entirely. Always read the CONFIG words from the linker map after build to confirm WDT, LVP, and FOSC settings match the schematic.
When using the CWG (Complementary Waveform Generator) to drive a half-bridge, place a 1 kΩ gate resistor on each output and keep the high-side gate trace under 10 mm to limit switching transients. The ZCD (Zero-Cross Detector) input should be AC-coupled through a 100 nF cap with a 1 MΩ resistor to limit input current. For RTCC crystal operation, place the 32.768 kHz crystal within 5 mm of the SOSCO/SOSCI pins with a grounded guard ring to attenuate injected digital noise that would otherwise cause seconds drift of several ppm.
Compliance Information
RoHS and REACH compliance per Microchip product page. Extended temperature grade -40 °C to +125 °C, but NOT AEC-Q100 qualified – choose a Q100 part for safety-critical automotive applications.
