PIC16LF19176-E/MV - 28KB Flash 8-bit MCU XLP LCD | Microchip
MPN: PIC16LF19176-E/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.95 | $2.95 |
| 10 | $2.72 | $27.20 |
| 100 | $2.41 | $241.00 |
| 500 | $2.18 | $1,090.00 |
| 1,000 | $1.96 | $1,960.00 |
PIC16LF19176-E/MV Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and I/O peripherals. The PIC16F family belongs to the broader microcontroller hierarchy: PIC16F -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The LF sub-family is the low-power F-variant, optimized for battery-powered applications with nanoWatt XLP sleep modes and an integrated charge pump for LCD glass biasing even at low Vdd.
Key features that differentiate this part: 16K x 14 Flash words (28KB), 256 bytes high-endurance EEPROM with EEPROM-on-Flash endurance of 100k cycles typical, and on-chip LCD charge pump supporting up to 64 segments without external bias resistors. The 12-bit ADC2 can perform automated Accumulate, Averaging, Burst Average, Low-Pass Filter, and Threshold Compare operations without CPU intervention, offloading signal conditioning in sensor designs.
Architecturally, the device pairs a 14-bit instruction-word PIC16 core with Peripheral Pin Select (PPS) allowing most digital peripherals to be remapped to any I/O, a Configurable Logic Cell (CLC) block, and a Complementary Waveform Generator (CWG) for half-bridge / full-bridge / push-pull drive of MOSFETs. The Sleep current with LCD and RTCC active is in the order of a few microamps - critical for sealed-battery products that must run for years on a coin cell or two AA cells.
Typical applications include battery-powered LCD panel meters, IoT sensor nodes with displays, electronic shelf labels (ESL), medical wearables, low-end HMI tiles, and industrial thermostats. The combination of integrated LCD, ADC2, and CWG simplifies BOM and PCB area in any node that needs a display plus sensor readout plus small-motor / buzzer drive.
When designing with this part, prioritize firmware that uses Sleep mode aggressively and routes wake-up sources through the MTIO / RTCC / IOC blocks; do not poll in main loop. Enable the LCD charge pump only when the display is visible and disable peripherals individually with PMD to minimize active current.
Drop-in alternatives for PIC16LF19176-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 PIC16LF19176-E/MV (same form factor and footprint) — differing in Operating Temperature, Package, Timers, ADC, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F19176-E/MV
✅ Drop-In✓ In Stock
$1.45 / Unit
View Datasheet →PIC16LF19175-I/MV
✅ Drop-In✓ In Stock
$1.82 / Unit
View Datasheet →PIC16LF19175T-I/MV
✅ Drop-In✓ In Stock
$1.39 / Unit
View Datasheet →PIC16LF1903-E/MV
✅ Drop-In✓ In Stock
$0.85 / Unit
View Datasheet →PIC16LF1826-E/MV
✅ Drop-In✓ In Stock
$0.95 / Unit
View Datasheet →PIC16LF19176-E/MV Maximum Ratings & Electrical Characteristics
| Product Family | PIC16F 8-bit Microcontroller |
| Core | PIC16 (14-bit instruction word) |
| Program Memory (Flash) | 28 KB (16K x 14) |
| Data SRAM | 2 KB |
| EEPROM | 256 bytes |
| Maximum CPU Frequency | 32 MHz |
| Supply Voltage (Vdd) | 1.8 V to 3.6 V |
| I/O Pins | 36 (approx., per 40-pin UQFN) |
| ADC | 12-bit ADC2 with Computation |
| DAC | 5-bit DAC |
| LCD Driver | Integrated, up to 64 segments, with charge pump |
| Comparators | Low-Power Comparators (LP COMP) |
| Timers | PWM, CCP, CWG, SMT, RTCC, WWDT, HLT |
| Peripheral Pin Select (PPS) | Yes |
| Package | 40-pin UQFN (MV) 5x5 mm with exposed pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C |
| RoHS Status | Compliant |
PIC16LF19176-E/MV 40-pin uqfn (mv) 5x5 mm with exposed pad Pin Configuration Guide
Pin configuration for PIC16LF19176-E/MV (40-pin uqfn (mv) 5x5 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 PIC16LF19176-E/MV.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC16LF19176-E/MV is suitable for 6 applications: Battery-Powered LCD Panel Meter, Electronic Shelf Label (ESL), IoT Sensor Node with Display, Wearable Health Monitor, Industrial Thermostat with HMI, Low-End HMI Control Tile.
Battery-Powered LCD Panel Meter
The PIC16LF19176-E/MV is purpose-built for battery-powered LCD panel meters thanks to its integrated LCD charge pump and XLP nanoWatt Sleep modes. The 1.8V-3.6V LF supply matches two-AA or coin-cell rails directly, and the charge pump produces LCD bias without external resistors even when Vdd drops to 2.0V. The 12-bit ADC2 with averaging reads thermistor or RTD sensors without CPU intervention, while the 32 MHz CPU provides headroom for engineering-unit conversion and averaging. Sleep current with LCD and RTCC active is in the low microamp range, enabling 5+ year battery life on a 2xAA pack.
Recommended
Electronic Shelf Label (ESL)
The PIC16LF19176-E/MV drives ESL nodes that combine an LCD, a sub-GHz or BLE radio, and a coin cell. The integrated LCD controller with charge pump supports 4-mux to 8-mux glass up to 64 segments - typical for ESL dot-matrix or 7-segment labels. Sleep current with RTCC active is under 1 uA, and the CIPs allow the part to wake, sample a button, transmit via the radio, and return to Sleep without CPU code, saving flash and code size. The 5x5 mm UQFN keeps the ESL PCB small; the exposed pad provides thermal relief for short RF bursts.
Recommended
IoT Sensor Node with Display
The PIC16LF19176-E/MV serves as the host MCU for IoT sensor nodes that display readings locally. Its 12-bit ADC2 with built-in averaging filters sensor noise without code overhead, the CWG can drive a buzzer for alarms, and the LCD driver displays temperature/humidity/process values directly. The Peripheral Pin Select (PPS) lets the designer route UART to any GPIO, simplifying PCB layout. Sleep currents with LCD + RTCC + IOC are low enough for 1+ year operation on a CR2032 in typical indoor monitoring scenarios.
Recommended
Wearable Health Monitor
The PIC16LF19176-E/MV is a fit for wearable health devices where battery life and display integration are critical. The LF variant runs from 1.8V - matching Li-Mn coin cells - while the on-chip LCD charge pump drives a small reflective display showing heart rate, step count, or status. ADC2 with burst-average mode samples a PPG or SpO2 sensor at low CPU overhead, and the CLC block implements event-detection logic in hardware. The UQFN-40 5x5 mm footprint fits inside a wristband or patch form factor.
Recommended
Industrial Thermostat with HMI
The PIC16LF19176-E/MV is well-matched to industrial thermostats that need a local LCD, keypad input, and relay / TRIAC drive. The CWG (Complementary Waveform Generator) drives a TRIAC directly for AC load control, eliminating an external gate-driver IC. ADC2 reads NTC thermistors or RTDs with averaging, and the PWM drives a buzzer for button feedback. The -40C to +125C operating temperature covers industrial HVAC environments; the 40-pin UQFN provides enough I/O for keypad, LCD, TRIAC, and sensor interfaces.
Recommended
Low-End HMI Control Tile
The PIC16LF19176-E/MV integrates the controller, display driver, and analog I/O needed for a small HMI tile in industrial or appliance applications. The 64-segment LCD driver replaces a dedicated LCD driver chip, the ADC2 reads potentiometers or touch pads, and the PWM outputs drive status LEDs or backlight brightness. The 32 MHz CPU executes a small RTOS or state-machine in firmware for menu navigation. The UQFN-40 footprint supports dense PCB layouts typical of multi-button appliance control panels.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF19176-E/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F19176-E/MV | PIC16LF19175-I/MV | PIC16LF19175T-I/MV | PIC16LF1903-E/MV | PIC16LF1826-E/MV |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | UQFN-40 (MV) 5x5 mm | UQFN-40 (MV) 5x5 mm - same | UQFN-40 (MV) 5x5 mm - same | UQFN-40 (MV) 5x5 mm - same | UQFN-40 (MV) 5x5 mm - same | UQFN-40 (MV) 5x5 mm - same |
| Flash | 28 KB (16K x 14) | 28 KB | 14 KB (-50%) | 14 KB (-50%) | 7 KB (-75%) | 3.5 KB (-87%) |
| RAM | 2 KB | 2 KB | 1 KB (-50%) | 1 KB (-50%) | 256 B (-87%) | 256 B (-87%) |
| Max CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 16 MHz (-50%) | 32 MHz |
| Supply 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 3.6 V |
| Integrated LCD Driver | Yes, up to 64 segments, with charge pump | Yes, identical | Yes, with charge pump | Yes, with charge pump | Yes, with charge pump | No |
Key Differentiators
- Largest Flash in the 1917x UQFN-40 family (vs PIC16LF19175-I/MV)
- Integrated LCD charge pump supports low-Vdd display (vs PIC16LF1826-E/MV)
- Core Independent Peripherals offload the CPU (vs PIC16LF1903-E/MV)
Design Notes
Estimated: at Vdd=3.3V, 32 MHz active current is approximately 4 mA (typical, per Microchip PIC16F19176 family DC characteristics). At a 1% duty cycle (mostly Sleep with RTCC + LCD), average current drops below 100 uA - acceptable for 2xAA designs. To minimize Sleep current, disable unused peripherals via PMD registers individually; do not rely on default reset states. Set all unused GPIOs as outputs low or inputs with IOC disabled.
The 40-pin UQFN (MV, 5x5 mm) has an exposed thermal pad that MUST be soldered to the ground plane for both thermal dissipation and electrical reference. Use an array of vias (typically 4-9) under the pad to the inner ground plane. Keep the LCD segment traces short and shielded with a ground pour to reduce injected noise; route ADC analog signals away from digital switching lines and the charge-pump switching node.
Common pitfalls with PIC16LF19176-E/MV designs: (1) Forgetting to configure PPS for UART/SPI/I2C remapping - peripherals do not default to specific pins. (2) Exceeding 3.6V Vdd when powered from a Li-ion cell above 3.6V; use the F-variant instead. (3) Not enabling the LCD charge pump when the application expects LCD operation below 2.5V - without the charge pump, contrast drops. (4) Routing the CWG output to a TRIAC without proper RC snubber protection; back-EMF can latch up the part. (5) Using 5V-rated programming tools on the LF part - use a 3.3V-tolerant programmer (PICkit 4 in 3.3V mode).
Compliance Information
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - choose PIC16F19176-E/MV (F, 5V) automotive variants or contact Microchip for Q-graded parts. Lead-free and halogen-free per Microchip material declarations.
