PIC16LF19197T-E/PTVAO - 8-Bit XLP MCU, 56KB Flash, AEC-Q100 | Microchip
MPN: PIC16LF19197T-E/PTVAO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.2 | $5.20 |
| 10 | $4.68 | $46.80 |
| 100 | $4.16 | $416.00 |
| 500 | $3.74 | $1,870.00 |
| 1,000 | $3.32 | $3,320.00 |
PIC16LF19197T-E/PTVAO Overview
An 8-bit microcontroller (MCU) is a single-chip processor that integrates CPU, RAM, non-volatile program memory, timers, communication peripherals, and often analog blocks. PIC microcontrollers use a Harvard-architecture RISC core with a small, deterministic instruction set optimised for low power consumption and code density. They sit at the bottom of the embedded hierarchy: MCU -> embedded processor -> semiconductor -> integrated circuit, and the 8-bit class remains dominant in cost-, power-, and pin-count-sensitive designs.
Key features include an integrated LCD driver with charge pump, Core Independent Peripherals (CIPs) such as CWG, NCO, and CCP, intelligent analog peripherals including a 12-bit ADC with computation and two op-amps, and serial interfaces (two EUSART, two I²C, two SPI). The XLP technology delivers nanoWatt sleep currents ideal for always-on sensor nodes.
Architecturally, the device pairs the PIC16 enhanced mid-range core with a wide peripheral set and a hardware LCD module that offloads display refresh from the CPU, reducing active duty cycle and extending battery life. The charge pump allows direct LCD bias generation even when VDD falls below the panel threshold.
Typical applications include automotive instrument clusters and HVAC displays, battery-powered metering (water/gas/heat), portable medical monitors, IoT sensor nodes with LCD readouts, and white-goods user interfaces. The wide 1.8V-3.6V supply supports direct 2x AA/2x AAA operation.
When designing with this MCU, budget Flash for bootloader overhead and reserve 1-2KB for EEPROM emulation wear-levelling. Use MPLAB X IDE with XC8 compiler and configure the charge-pump voltage before enabling the LCD waveform to avoid incorrect contrast at low VDD.
This page synthesises distributor pricing, drop-in alternatives, and design notes that complement the manufacturer datasheet and accelerate your component selection.
Drop-in alternatives for PIC16LF19197T-E/PTVAO — 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 PIC16LF19197T-E/PTVAO (same form factor and footprint) — differing in LCD Driver, Operating Temperature Range, Package, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF19197T-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF19197T-I/PT
✅ Drop-In✓ In Stock
$2.31 / Unit
View Datasheet →PIC16LF19197-E/PT
✅ Drop-In✓ In Stock
$2.8 / Unit
View Datasheet →PIC16LF19197-E/PTVAO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16LF19196T-E/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16LF19197T-E/PTVAO Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 8-bit RISC (Harvard) |
| Maximum Clock Frequency | 32 MHz |
| Program Memory (Flash) | 56 KB (32K x 14) |
| Data RAM | 4 KB |
| EEPROM | 256 bytes |
| Operating Voltage Range | 1.8 V to 3.6 V |
| ADC | 12-bit with computation |
| Op-Amps | 2 (on-chip) |
| EUSART | 2 |
| I2C | 2 |
| SPI | 2 |
| Timers | 6 (per datasheet family) |
| LCD Driver | Yes, with integrated charge pump |
| XLP (eXtreme Low Power) | Yes (nanoWatt technology) |
| Package | 64-pin TQFP (10x10 mm) |
| Operating Temperature Range | -40C to +125C (automotive grade) |
| AEC-Q100 Qualification | Qualified (automotive) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16LF19197T-E/PTVAO Pin Configuration
| Pin 1 | RE3/MCLR — Digital I/O / Master Clear (reset) input |
| Pin 2 | RA0 — Digital I/O / analog input |
| Pin 3 | RA1 — Digital I/O / analog input |
| Pin 4 | RA2 — Digital I/O / analog input |
| Pin 5 | RA3 — Digital I/O / analog input |
| Pin 6 | RA4 — Digital I/O |
| Pin 7 | RA5 — Digital I/O |
| Pin 8 | RA6 — Digital I/O |
| Pin 9 | RA7 — Digital I/O |
| Pin 10 | VSS — Ground reference |
| Pin 11 | VDD — Positive supply (1.8V-3.6V) |
| Pin 12 | RB0 — Digital I/O / interrupt-on-change |
| Pin 13 | RB1 — Digital I/O / interrupt-on-change |
| Pin 14 | RB2 — Digital I/O / interrupt-on-change |
| Pin 15 | RB3 — Digital I/O / interrupt-on-change |
| Pin 16 | RB4 — Digital I/O / interrupt-on-change |
| Pin 17 | RB5 — Digital I/O / interrupt-on-change |
| Pin 18 | RB6 — Digital I/O / ICS programming clock |
| Pin 19 | RB7 — Digital I/O / ICS programming data |
| Pin 20 | RC0 — Digital I/O |
| Pin 21 | RC1 — Digital I/O |
| Pin 22 | RC2 — Digital I/O |
| Pin 23 | RC3 — Digital I/O |
| Pin 24 | RC4 — Digital I/O |
| Pin 25 | RC5 — Digital I/O |
| Pin 26 | RC6 — Digital I/O |
| Pin 27 | RC7 — Digital I/O |
| Pin 28 | VSS — Ground reference |
| Pin 29 | VDD — Positive supply |
| Pin 30 | RD0 — Digital I/O |
| Pin 31 | RD1 — Digital I/O |
| Pin 32 | RD2 — Digital I/O |
| Pin 33 | RD3 — Digital I/O |
| Pin 34 | RD4 — Digital I/O |
| Pin 35 | RD5 — Digital I/O |
| Pin 36 | RD6 — Digital I/O |
| Pin 37 | RD7 — Digital I/O |
| Pin 38 | VSS — Ground reference |
| Pin 39 | VDD — Positive supply |
| Pin 40 | RE0 — Digital I/O |
| Pin 41 | RE1 — Digital I/O |
| Pin 42 | RE2 — Digital I/O |
| Pin 43 | RF0 — Digital I/O / LCD segment |
| Pin 44 | RF1 — Digital I/O / LCD segment |
| Pin 45 | RF2 — Digital I/O / LCD segment |
| Pin 46 | RF3 — Digital I/O / LCD segment |
| Pin 47 | RF4 — Digital I/O / LCD segment |
| Pin 48 | RF5 — Digital I/O / LCD segment |
| Pin 49 | RF6 — Digital I/O / LCD segment |
| Pin 50 | RF7 — Digital I/O / LCD segment |
| Pin 51 | RG0 — Digital I/O / LCD segment |
| Pin 52 | RG1 — Digital I/O / LCD segment |
| Pin 53 | RG2 — Digital I/O / LCD segment |
| Pin 54 | RG3 — Digital I/O / LCD segment |
| Pin 55 | RG4 — Digital I/O / LCD segment |
| Pin 56 | RG5 — Digital I/O / LCD segment |
| Pin 57 | RG6 — Digital I/O / LCD segment |
| Pin 58 | RG7 — Digital I/O / LCD segment |
| Pin 59 | RH0 — Digital I/O / LCD segment |
| Pin 60 | RH1 — Digital I/O / LCD segment |
| Pin 61 | RH2 — Digital I/O / LCD segment |
| Pin 62 | RH3 — Digital I/O / LCD segment |
| Pin 63 | VSS — Ground reference |
| Pin 64 | VDD — Positive supply |
Typical Applications
PIC16LF19197T-E/PTVAO is suitable for 6 applications: Automotive Instrument Cluster, Battery-Powered LCD Water/Gas Meter, Portable Medical Monitor with LCD, IoT Sensor Node with LCD Readout, White-Goods User Interface, Automotive HVAC Control Module.
Automotive Instrument Cluster
The PIC16LF19197T-E/PTVAO drives segment-LCD automotive instrument clusters with its integrated LCD charge pump and AEC-Q100 qualification. The 56KB Flash stores all gauge graphics and diagnostic state machines; the 12-bit ADC with computation samples speed/RPM/fuel sensors without CPU intervention. PIC XLP nanoWatt sleep currents below 50 nA typical let the cluster wake on CAN activity and return to deep sleep, preserving battery life during long vehicle parking. The -40C to +125C automotive temp grade survives under-dash thermal stress.
Recommended
Battery-Powered LCD Water/Gas Meter
PIC XLP technology makes the PIC16LF19197T-E/PTVAO ideal for battery-driven water, gas, and heat meters that must run 10+ years on a single lithium cell. The integrated LCD charge pump drives up to 320 segment LCDs directly from a 1.8V-3.6V supply, eliminating the external boost converter. The 4KB SRAM buffers metrology history while 256B EEPROM stores tamper flags. Hardware CIPs (CWG, NCO, CCP) offload pulse counting and signal generation so the CPU stays in sleep until a flow edge fires an interrupt.
Recommended
Portable Medical Monitor with LCD
Medical devices such as glucose meters, pulse oximeters, and infusion pumps benefit from the PIC16LF19197T-E/PTVAO's ultra-low sleep current and rich peripheral set. The two on-chip op-amps condition the photo-plethysmography (PPG) sensor signal before the 12-bit ADC samples it, while the second op-amp drives the LED bias. The integrated LCD charge pump displays readings on a high-contrast segment display without an external boost. AES-ready CIPs (where available in family) support secure patient data logging.
Recommended
IoT Sensor Node with LCD Readout
The PIC16LF19197T-E/PTVAO powers wireless IoT sensor nodes that need a local LCD readout, such as smart thermostats, indoor air-quality monitors, and asset trackers. The MCU wakes periodically to read sensors, transmits via UART-attached radio, then returns to XLP sleep drawing under 50 nA typical. The integrated LCD module displays real-time values (temperature, humidity, CO2) and a battery icon without external display drivers. Two EUSARTs permit concurrent wired debug and wireless module communication.
Recommended
White-Goods User Interface
Washing machines, dishwashers, and refrigerators use the PIC16LF19197T-E/PTVAO to drive their segment-LCD control panels with cycle status, error codes, and timer countdowns. The LCD charge pump generates the 5V bias needed for high-contrast VFD-style LCD viewing angles without a separate boost IC. The PIC's hardware PWM channels control motor drivers and solenoids, while the 56KB TIM trips and 4KB TIM trips Flash holds the cycle state machine, EEPROM retains user preferences across power cycles.
Recommended
Automotive HVAC Control Module
In cabin HVAC modules, the PIC16LF19197T-E/PTVAO controls temperature, fan speed, and mode selection through a segment-LCD display showing setpoint, ambient, and airflow status. Its AEC-Q100 qualification handles -40C to +125C under-dash thermal stress, and the CAN EUSART links the module to the body controller for remote climate commands. The on-chip op-amps condition NTC thermistor signals before the 12-bit ADC samples them, eliminating external analog components.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF19197T-E/PTVAO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF19197T-E/PT | PIC16LF19197T-I/PT | PIC16LF19197-E/PT | PIC16LF19197-E/PTVAO | PIC16LF19196T-E/PT |
|---|---|---|---|---|---|---|
| Package | 64-TQFP (10x10) | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 56 KB | 56 KB | 56 KB | 56 KB | 56 KB | 32 KB (-43%) |
| Data RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 2 KB (-50%) |
| Operating Voltage | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V |
| AEC-Q100 Qualification | Yes (VAO automotive) | No (industrial grade) | No (industrial grade) | No (industrial grade) | Yes (VAO automotive) | No (industrial grade) |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +125C | -40C to +125C |
| Packaging | Tape & Reel | Tape & Reel | Tape & Reel | Tray | Tray | Tape & Reel |
Key Differentiators
- AEC-Q100 automotive qualification with VAO suffix (vs PIC16LF19197T-E/PT (industrial grade))
- Two on-chip op-amps for sensor signal conditioning (vs PIC16LF19196 (lower-memory sibling))
- Integrated LCD charge pump for low-voltage LCD bias (vs PIC16LF19176 (no charge pump))
Design Notes
PIC16LF19197T-E/PTVAO supports 1.8V to 3.6V VDD, but the integrated LCD charge pump needs a separate VLCD pin supply. Per the Microchip PIC16(L)F19197 datasheet, configure the charge-pump output voltage (1.5V to 5.5V) BEFORE enabling the LCD bias generator. Adding a 1uF X7R bypass on VDD and a 100nF ceramic on VCAP is required for stable LCD bias. Decoupling: place one 100nF ceramic adjacent to every VDD/VSS pair on the 64-TQFP package.
The 'LF' prefix in PIC16LF19197 means low-voltage (1.8V-3.6V); the non-LF PIC16F19197 supports up to 5.5V. Mixing them in a 5V system will damage the LF part instantly on power-up. Always check the second character of the MPN: L = low-voltage F-variant, F = full-voltage. The 'VAO' suffix is automotive-qualified and costs ~20% more; the equivalent 'PT' (no VAO) is industrial grade and is NOT a drop-in for safety-critical automotive ECUs.
Estimated: The 64-TQFP (10x10) package has theta-JA around 50 C/W on a 4-layer JEDEC test board. With 4KB active SRAM and 32 MHz core at 3.3V, the active current is ~8 mA, dissipating ~26 mW and yielding a junction temperature rise of only ~1.3 C above ambient - well within the 125 C maximum. For XLP deep-sleep below 50 nA, the package handles thermal stress with negligible self-heating. Ensure ground paddle is soldered (where present) and avoid forced-air cooling requirements.
For the 64-TQFP (10x10 mm) footprint, route ICP/ICSP signals (RB6/ICSCLK and RB7/ICSDAT) to a 2x3 or 1x6 0.1 inch header with direct PGD/PGC access. Place a 100nF decoupling cap within 5 mm of every VDD/VSS pair (4 pairs total on this 64-TQFP). Keep the VLCD charge-pump capacitor loop under 10 mm square. Use a 4-layer PCB with a dedicated ground plane for the best ADC and op-amp performance; the on-chip 12-bit ADC needs >70 dB PSRR which a split ground compromises.
Compliance Information
AEC-Q100 qualified automotive grade (VAO suffix) per Microchip product page. RoHS and lead-free per Microchip environmental compliance data. All variants (VAO, E/PT, I/PT) comply with REACH.
