PIC16LF19185-E/MV - 8-bit XLP MCU, 14KB Flash, 48-UQFN | Microchip
N.º de pieza: PIC16LF19185-E/MV ✓ ActivoPIC16LF19185-E/MV Descripción general
A microcontroller (microcontroller unit, MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash/ROM), working RAM, and programmable peripherals around a shared bus. PIC16F19185 devices belong to the mid-range 8-bit MCU family that maps directly into the broader embedded-controller taxonomy of microcontroller -> embedded controller -> semiconductor. They use a RISC-style Harvard architecture with a 14-bit instruction word, which keeps code density high and dynamic power low - one of the reasons PIC mid-range MCUs dominate coin-cell and battery-powered designs.
Key features of this part include a 32 MHz internal oscillator, an on-chip LCD driver with charge pump, 12-bit ADC with computation (ADC2), zero-cross detection (ZCD), signal-measurement timer (SMT), complementary waveform generator (CWG), peripheral pin select (PPS) for flexible I/O mapping, and the eXtreme Low-Power (XLP) sleep modes that drop quiescent current into the sub-1 uA range. The 'LF' prefix indicates the wide Vdd operating range of 1.8 V to 3.6 V, suitable for two-AA and lithium primary cells.
Architecturally, the device is built around Microchip's enhanced mid-range core with hardware multiply and a vectored interrupt controller, supported by a configurable clock tree (HFINTOSC, LFINTOSC, MFINTOSC, SOSC) and a 32 kHz secondary oscillator for RTCC operation. Integrated core peripherals and PPS let engineers route digital functions to almost any GPIO, simplifying PCB layout and reducing the BOM.
Typical applications include battery-powered human-machine interface (HMI) panels, low-cost thermostats and appliance controls, IoT sensor nodes with LCD readout, handheld medical monitors, and consumer remote controls. The combination of LCD driver, ADC2 and XLP makes this family a strong fit for any design that must display data while running from a small primary cell for years. The 48-UQFN package is the right choice when the PCB has limited area but the design still needs >30 GPIO, more than 32 KB-class 8-bit MCUs typically offer in smaller packages.
When designing with this part, always place the 0.1 uF Vdd decoupling capacitor within 3 mm of the Vdd pin and route the analog AVdd/AVss pair as a Kelvin connection. Ensure unused I/O are configured as outputs low to minimize leakage in XLP sleep modes.
This page synthesizes the latest distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, optimized for engineers evaluating the PIC16LF19185-E/MV for new designs or as a pin-compatible replacement.
Alternativas directas para PIC16LF19185-E/MV — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC16LF19185-E/MV (mismo factor de forma y huella) — difiere en DAC, Operating Temperature, Package, ADC, Data SRAM.
PIC16LF19186-E/MV
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16LF19176-E/MV
✅ Sustitución directaConsulte el precio
Ver hoja de datos →PIC16LF19195-E/MV
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16LF19185T-E/MV
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16LF18855-E/MV
✅ Sustitución directaConsulte el precio
Ver hoja de datos →PIC16LF19155-E/MV
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16LF19185-E/MV Valores máximos y características eléctricas
| Product Family | PIC16F19185 (XLP 8-bit mid-range) |
| CPU Core | 8-bit PIC enhanced mid-range RISC, 14-bit instructions |
| Maximum CPU Clock | 32 MHz |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data EEPROM | 256 bytes |
| Data SRAM | 1 KB |
| Operating Voltage (Vdd) | 1.8 V to 3.6 V ('LF' low-voltage variant) |
| Encapsulado | 48-pin UQFN (MV suffix), 6 mm x 6 mm |
| ADC | 12-bit ADC2 with computation |
| DAC | 5-bit and 12-bit DAC |
| LCD Driver | Integrated LCD driver with charge pump |
| Comparators | Low-power comparators (LP COMP) |
| Timers | PWM, CCP, CWG, SMT, ZCD |
| Other Peripherals | PPS, RTCC, HLT, WWDT, PMD |
| Temperatura de funcionamiento | -40C to +125C (extended, 'E' grade) |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
Guía de configuración de pines de PIC16LF19185-E/MV 48-pin uqfn (mv suffix), 6 mm x 6 mm
Configuración de pines para PIC16LF19185-E/MV (encapsulado 48-pin uqfn (mv suffix), 6 mm x 6 mm). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para PIC16LF19185-E/MV.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
PIC16LF19185-E/MV es adecuado para 7 aplicacións: Battery-Powered Thermostat with LCD, Wearable Health Monitor, Home Appliance User Interface Panel, Industrial Sensor Transmitter (4-20 mA loop), Smart Remote Control with LCD Status, IoT Sensor Node with Sub-GHz Radio, Automotive Dashboard Sub-Display.
Battery-Powered Thermostat with LCD
The PIC16LF19185-E/MV's integrated LCD driver with charge pump, 12-bit ADC2, and eXtreme Low Power (XLP) sleep currents under 1 uA make it an excellent fit for battery-powered thermostats. The on-chip LCD controller removes the need for an external display driver IC, while ADC2 channels read temperature from NTC or digital sensors. Operating from two AA cells (1.8 V to 3.6 V Vdd), the device can run for years on a single battery pair. The 14 KB Flash accommodates menu state machines, scheduling logic, and PID control loops without an external memory. PPS flexibility simplifies PCB routing when matching the LCD glass segment pattern.
Recomendado
Wearable Health Monitor
The PIC16LF19185-E/MV fits wearable health monitors because the 'LF' 1.8 V to 3.6 V Vdd range enables direct CR2032 coin-cell operation, while XLP sleep modes keep average current draw in the single-digit microamp range. ADC2 captures photoplethysmography (PPG) and bio-impedance signals, and the CWG peripheral drives low-power haptic feedback. The 48-UQFN package fits inside wristband form factors. RTCC with the 32 kHz secondary oscillator provides accurate time-stamping for sleep and activity logs. PPS lets the designer route SPI to multiple sensors without rewiring the PCB.
Recomendado
Home Appliance User Interface Panel
The PIC16LF19185-E/MV is a strong fit for washing-machine, dishwasher, and oven user interface panels because it integrates an LCD driver (segmented TN/STN glass), PWM for backlight dimming, zero-cross detection (ZCD) for triac control of heaters, and the CWG for synchronous motor or relay drive. The integrated peripherals replace what would otherwise be 3-4 external ICs, reducing BOM cost. The 32 MHz CPU clock handles capacitive touch decoding and rotary encoder input without breaking a sweat. AEC-Q-style robustness comes from the -40C to +125C extended temperature grade.
Recomendado
Industrial Sensor Transmitter (4-20 mA loop)
The PIC16LF19185-E/MV's 12-bit ADC2 with computation, 5-bit and 12-bit DAC, and 1.8 V to 3.6 V operation make it suitable for loop-powered 4-20 mA sensor transmitters. The 12-bit DAC generates the analog current setpoint, while ADC2 measures the loop voltage to perform auto-zero calibration. The 32 kHz SOSC with RTCC supports 1-Hz sample timing without burdening the main CPU. Industrial temperature grade (-40C to +125C) and integrated ZCD enable AC-line-sensing variants. PPS simplifies PCB routing when stuffing either the HART or analog variant of the same board.
Recomendado
Smart Remote Control with LCD Status
The PIC16LF19185-E/MV is ideal for universal smart remote controls that display status (volume, channel, menu) on a small segmented LCD. The LCD driver with charge pump eliminates a separate display driver, and the 32 MHz CPU decodes IR protocols and BLE command streams in real time. The CWG and PWM peripherals drive IR LEDs with proper carrier frequency and duty cycle. Sleep current under 1 uA keeps the remote usable for a year on two AAA cells. PPS simplifies the board layout for multi-zone IR emitter placement.
Recomendado
IoT Sensor Node with Sub-GHz Radio
The PIC16LF19185-E/MV drives IoT sensor nodes that connect via sub-GHz transceivers such as the Microchip MRF89XA or SX1276 family through SPI. The 32 MHz CPU handles MAC-layer encryption while the RTCC schedules duty-cycled transmissions. ADC2 monitors battery voltage, sensor inputs, and ambient conditions; the 12-bit DAC can synthesize reference voltages for sensor excitation. PPS allows flexible SPI/UART mapping for radios with different pin preferences. eXtreme Low Power modes keep the node in sleep most of the time, achieving years of operation from primary cells.
Recomendado
Automotive Dashboard Sub-Display
The PIC16LF19185-E/MV's integrated LCD driver, extended -40C to +125C temperature grade, and PWM channels for backlight brightness control make it a fit for automotive dashboard sub-displays (odometer, gear indicator, trip computer). The 48-UQFN package fits behind small cluster panels. ZCD detects ignition timing, while the CWG drives indicator LEDs with proper dead-band control. CAN/LIN connectivity requires an external transceiver such as the MCP2561, but PPS keeps the SPI/UART routing flexible. For full automotive qualification, designers should select the AEC-Q100-qualified PIC16F19185-E/MV equivalent where available.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC16LF19185-E/MV — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC16LF19186-E/MV | PIC16LF19176-E/MV | PIC16LF19195-E/MV | PIC16LF19185T-E/MV | PIC16LF18855-E/MV | PIC16LF19155-E/MV |
|---|---|---|---|---|---|---|---|
| Package | 48-UQFN (MV, 6x6 mm) | 48-UQFN (MV, 6x6 mm) - same | 48-UQFN (MV, 6x6 mm) - same | 48-UQFN (MV, 6x6 mm) - same | 48-UQFN (MV, 6x6 mm) - same | 48-UQFN (MV, 6x6 mm) - same | 48-UQFN (MV, 6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 14 KB | 28 KB | 28 KB | 28 KB | 14 KB | 14 KB | 8 KB |
| SRAM | 1 KB | 2 KB | 2 KB | 2 KB | 1 KB | 1 KB | 1 KB |
| CPU Clock (max) | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 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 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Temperature Grade | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) |
| LCD Driver | Yes (with charge pump) | Yes | No | Yes | Yes | No | No |
| ADC | 12-bit ADC2 | 12-bit ADC2 | 12-bit ADC2 | Dual 12-bit ADC2 | 12-bit ADC2 | 10-bit ADC | 12-bit ADC2 |
Diferenciadores clave
- Integrated LCD driver with charge pump reduces BOM by one external display IC (frente a PIC16LF19155-E/MV)
- Same-package upgrade doubles Flash and RAM with no PCB rework (frente a PIC16LF19186-E/MV)
- Wider peripheral integration than legacy PIC16LF18855 family (frente a PIC16LF18855-E/MV)
Notas de diseño
Place a 0.1 uF ceramic decoupling capacitor within 3 mm of every Vdd pin and a single 10 uF bulk capacitor near the MCU. The 'LF' Vdd range of 1.8 V to 3.6 V requires a clean LDO output; ripple above 50 mVpp will degrade ADC2 SNR. For XLP sleep modes, source current from a low-Iq regulator such as the MCP1700 (1.6 uA Iq) to maximize battery life on CR2032 cells.
The 48-UQFN (MV) package has an exposed thermal pad that MUST be soldered to a copper pour of at least 25 mm^2 on the top or inner PCB layer. Without proper pad soldering, the part's thermal resistance rises sharply and may trigger thermal shutdown at sustained 32 MHz operation with all peripherals active. Estimated: at 32 MHz with ADC2 and LCD active, IDD ~ 5 mA at 3.3 V = 16.5 mW dissipation, well within package limits when pad is soldered.
Use a 4-layer PCB with a dedicated ground plane for designs that use ADC2 at >10 kS/s or that switch PWM channels above 50 kHz. Route AVdd/AVss as a Kelvin pair directly to the analog supply pin, and place the AVdd bypass (10 uF + 0.1 uF) within 2 mm of the pin. The PPS peripheral lets you remap digital functions to almost any GPIO, so place the MCU near the connector cluster rather than spreading signals across the board.
A common pitfall is leaving unused I/O as analog inputs floating; this can inject leakage into adjacent ADC2 channels through the internal mux. Configure all unused pins as digital outputs low in firmware before sleep. Another frequent mistake is enabling the LCD charge pump at Vdd < 2.0 V without verifying the contrast specification - the panel may show ghost segments below the charge-pump minimum input voltage.
When driving the LCD glass, keep the segment and common traces matched in length and isolated from noisy digital traces (PWM, CCP). The integrated charge pump generates VH and VL bias voltages, but if the panel capacitance exceeds the datasheet limit (per Microchip DS40001930 section on LCD driver), segments may flicker. For long flex-cable connections to the LCD glass, add 100 ohm series resistors on each segment line to dampen reflections.
Información de cumplimiento
RoHS compliant per Microchip product page and distributor listings. AEC-Q100 status not explicitly stated for the 'LF' variant - check Microchip product page for AEC-Q100-qualified PIC16F19185 option if automotive qualification is required.
