PIC16LF19175-E/PT - 8-Bit 32MHz XLP MCU 14KB Flash | Microchip
MPN: PIC16LF19175-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.95 | $2.95 |
| 10 | $2.66 | $26.60 |
| 100 | $2.21 | $221.00 |
| 500 | $1.91 | $955.00 |
| 1,000 | $1.65 | $1,650.00 |
PIC16LF19175-E/PT Overview
A PIC microcontroller is a compact, deterministic microcontroller that integrates a CPU, non-volatile program memory, RAM, EEPROM and a rich peripheral set on a single die. The PIC16F191xx family sits in Microchip's 8-bit XLP portfolio between the PIC16F1 mid-range and the PIC18 baseline, adding on-chip LCD drive, Core Independent Peripherals (CIPs) and Intelligent Analog to reduce external component count and to keep average current in the nanoampere range during sleep.
Key features of the PIC16LF19175 include 1 KB RAM, 256 bytes EEPROM, hardware CRC/SCAN, a Windowed Watchdog Timer (WWDT), Hardware Limit Timer (HLT), a Real-Time Clock Calendar (RTCC) and Peripheral Module Disable (PMD). The integrated 12-bit ADC2 with computation, 5-bit DAC, zero-cross detect (ZCD) and low-power comparator (LP COMP) provide sensor-friendly analog front-ends, while CCP, PWM and the Configurable Logic Cell (CLC) simplify power-converter and signal-conditioning tasks.
The 8-bit product family. The PIC16LF19175 uses an enhanced Harvard RISC architecture with 49 instructions and a hardware multiply, delivering roughly 8 MIPS at 32 MHz while retaining the small code footprint typical of PIC cores. On-chip LCD drive supports up to 96 segments with an internal charge pump, and the device can wake from sleep on an interrupt in microseconds, making it suited to ultra-low-duty-cycle designs.
Typical applications include battery-powered LCD thermostats and metering, IoT sensor nodes, wearable health and fitness devices, remote controls, electronic shelf labels, smoke and CO detectors, low-cost medical instruments, and any general-purpose embedded control loop that demands long battery life and on-display feedback.
When designing with this part, budget derating carefully: at 32 MHz and 3.3 V the core draws about 4 mA, while deep sleep with RTCC retains timekeeping below 1 uA. Place a 100 nF decoupling capacitor within 2 mm of VDD and add a 10 uF bulk capacitor on the board supply, and use the ICD header layout described in the datasheet to keep programming reliable.
Drop-in alternatives for PIC16LF19175-E/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 PIC16LF19175-E/PT (same form factor and footprint) — differing in Comparators, LCD Driver, DAC, Operating Temperature, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF19176-E/PT
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16LF19186-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F19175-E/PT
✅ Drop-In✓ In Stock
$1.72 / Unit
View Datasheet →PIC16LF19195-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF19196-E/PT
✅ Drop-In✓ In Stock
$2.18 / Unit
View Datasheet →PIC16LF19175-E/PT Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit Microcontroller (MCU) |
| Core | PIC16 enhanced mid-range (RISC), 49 instructions |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data SRAM | 1 KB |
| Data EEPROM | 256 bytes |
| Maximum Clock Frequency | 32 MHz |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| Operating Temperature | -40 C to +125 C (E suffix, industrial) |
| Package | 44-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| ADC | 12-bit ADC2 with computation |
| DAC | 5-bit DAC |
| Comparators | Low-power comparator (LP COMP) + zero-cross detect (ZCD) |
| Timers | CCP, PWM, HLT, WWDT |
| Special Features | CRC/SCAN, RTCC, PMD, CLC, CWG, PPS, LCD driver, charge pump |
| LCD Driver | Up to 96 segments with integrated charge pump |
| RoHS Status | Compliant |
PIC16LF19175-E/PT Pin Configuration
| Pin 1 | RA5 — Port A bit 5 / analog input |
| Pin 2 | RA4 — Port A bit 4 |
| Pin 3 | RA3 — Port A bit 3 / MCLR (configuration dependent) |
| Pin 4 | RA2 — Port A bit 2 |
| Pin 5 | RA1 — Port A bit 1 / analog input |
| Pin 6 | RA0 — Port A bit 0 |
| Pin 7 | VSS — Ground reference |
| Pin 8 | VDD — Positive supply (1.8 V to 3.6 V) |
| Pin 9 | OSC1 — External oscillator input |
| Pin 10 | OSC2 — External oscillator output |
| Pin 11 | RC0 — Port C bit 0 |
| Pin 12 | RC1 — Port C bit 1 |
| Pin 13 | RC2 — Port C bit 2 |
| Pin 14 | RC3 — Port C bit 3 |
| Pin 15 | RC4 — Port C bit 4 / SDA1 |
| Pin 16 | RC5 — Port C bit 5 / SCL1 |
| Pin 17 | RC6 — Port C bit 6 / TX |
| Pin 18 | RC7 — Port C bit 7 / RX |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply (1.8 V to 3.6 V) |
| Pin 21 | RB0 — Port B bit 0 / INT0 |
| Pin 22 | RB1 — Port B bit 1 / INT1 |
| Pin 23 | RB2 — Port B bit 2 |
| Pin 24 | RB3 — Port B bit 3 |
| Pin 25 | RB4 — Port B bit 4 |
| Pin 26 | RB5 — Port B bit 5 |
| Pin 27 | RB6 — Port B bit 6 / ICSPCLK |
| Pin 28 | RB7 — Port B bit 7 / ICSPDAT |
| Pin 29 | RD0 — Port D bit 0 |
| Pin 30 | RD1 — Port D bit 1 |
| Pin 31 | RD2 — Port D bit 2 |
| Pin 32 | RD3 — Port D bit 3 |
| Pin 33 | RD4 — Port D bit 4 |
| Pin 34 | RD5 — Port D bit 5 |
| Pin 35 | RD6 — Port D bit 6 |
| Pin 36 | RD7 — Port D bit 7 |
| Pin 37 | RE0 — Port E bit 0 |
| Pin 38 | RE1 — Port E bit 1 |
| Pin 39 | RE2 — Port E bit 2 |
| Pin 40 | RE3 — Port E bit 3 |
| Pin 41 | AVSS — Analog ground reference |
| Pin 42 | AVDD — Analog positive supply |
| Pin 43 | VREF+ — ADC positive reference |
| Pin 44 | VREF- — ADC negative reference |
Typical Applications
PIC16LF19175-E/PT is suitable for 6 applications: Battery-Powered LCD Thermostats, Wearable Health and Fitness Devices, Electronic Shelf Labels (ESL), Smoke and CO Detectors, Remote Controls and BLE Sensor Nodes, Low-Cost Medical Instruments.
Battery-Powered LCD Thermostats
The PIC16LF19175-E/PT fits battery-powered LCD thermostats because its 1.8-3.6 V VDD range and XLP sleep current under 1 uA let designers run from two AA cells for years. The integrated 12-bit ADC2 with computation accurately reads thermistor or RTD bridges, while the on-chip LCD driver with charge pump drives up to 96 segments directly, eliminating an external LCD bias generator. Engineers typically pair it with the PIC16LF19176-E/PT for richer UI, and with MCP9808 temperature sensors for higher accuracy.
Recommended
Wearable Health and Fitness Devices
The PIC16LF19175-E/PT fits wearable health devices because its nanoampere XLP sleep and fast wake time allow duty-cycled heart-rate, SpO2 and step sensing on a coin cell. The 12-bit ADC2 reads photodiode current from a pulse-oximetry front end, and the CLC and CCP peripherals generate PWM for LED drive without burning CPU cycles. Pair it with the MAX30102 sensor and a TI TPS62840 buck converter for a wearable reference design.
Recommended
Electronic Shelf Labels (ESL)
The PIC16LF19175-E/PT fits electronic shelf labels because the integrated LCD driver, charge pump and XLP sleep current allow multi-year coin-cell life with bi-directional RF updates. The 14 KB Flash holds ESL protocol stacks and display layouts, and PMD lets unused peripherals be gated to reduce leakage. Combine it with a Sub-GHz or 2.4 GHz transceiver and the PIC16LF19186-E/PT for larger flash images.
Recommended
Smoke and CO Detectors
The PIC16LF19175-E/PT fits smoke and CO detectors because the LP comparator with ZCD interfaces to ionization-chamber and electrochemical sensors while the RTCC maintains the test interval without external RTC hardware. WWDT and CRC/SCAN improve functional safety, and XLP sleep current extends the 10-year battery life required by UL 217. Pair with the PIC16LF18877-I/PT family member for safety library support and the MCP73831 Li-Ion charger for backup cells.
Recommended
Remote Controls and BLE Sensor Nodes
The PIC16LF19175-E/PT fits remote controls and BLE sensor nodes because its XLP architecture lets designers ship a coin-cell-powered product that wakes on a button interrupt or sensor threshold, services it, and returns to sleep within microseconds. The CLC and CWG peripherals offload button-matrix scanning and IR PWM generation, freeing the core for higher-level protocol tasks. Pair it with a Microchip RN4870 BLE module and MCP1700 LDO for a complete sensor-node reference.
Recommended
Low-Cost Medical Instruments
The PIC16LF19175-E/PT fits low-cost medical instruments such as portable spirometers, pulse oximeters and blood-pressure monitors because its 12-bit ADC2, 5-bit DAC and low-power comparator provide accurate sensor readout with minimal external analog. XLP sleep keeps battery life in the months-to-years range, and the hardware CRC/SCAN peripherals support safety-critical firmware integrity. Pair it with the MCP6002 op-amp for sensor signal conditioning and the PIC16LF19176-E/PT for higher-memory device variants.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF19175-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF19176-E/PT | PIC16LF19186-E/PT | PIC16F19175-E/PT | PIC16LF19195-E/PT | PIC16LF19196-E/PT |
|---|---|---|---|---|---|---|
| Package | 44-pin TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Architecture | PIC16 enhanced mid-range 8-bit | PIC16 enhanced mid-range 8-bit | PIC16 enhanced mid-range 8-bit | PIC16 enhanced mid-range 8-bit | PIC16 enhanced mid-range 8-bit | PIC16 enhanced mid-range 8-bit |
| EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Supply Voltage (VDD) | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Max Clock Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| LCD Driver | Up to 96 segments | Up to 96 segments | Up to 96 segments | Up to 96 segments | Up to 96 segments | Up to 96 segments |
Key Differentiators
- Lowest-voltage LF variant in the PIC16F191xx family for XLP battery designs (vs PIC16F19175-E/PT)
- Compact 14 KB Flash / 1 KB RAM profile for cost-sensitive LCD designs (vs PIC16LF19176-E/PT)
- On-chip LCD charge pump eliminates external bias hardware (vs PIC16LF18877-I/PT)
Design Notes
Place a 100 nF ceramic decoupling capacitor within 2 mm of each VDD/VSS pin pair on the PIC16LF19175-E/PT and add a single 10 uF bulk capacitor near the supply pin. For battery-powered designs, route the PIC on a separate analog island and gate unused peripherals with the PMD register to achieve sub-microampere sleep current with RTCC retention.
The 44-pin TQFP (10x10 mm) package has an estimated theta_JA of approximately 50-60 C/W on a standard 2-layer JEDEC test board. At maximum 32 MHz operation from 3.3 V, core current is around 4 mA which yields negligible self-heating (<1 C rise), so thermal design is rarely a constraint. Avoid sealing the part in fully enclosed enclosures without ventilation if the application drives high-current I/O continuously.
Keep the ICSP programming header footprint (ICSPCLK/ICSPDAT/MCLR/VDD/VSS) accessible on the PCB even on production boards to allow field firmware updates. Microchip recommends a 6-pin 0.1 inch header layout detailed in the device datasheet, with isolation resistors on ICSPCLK/ICSPDAT when the pins are shared with user I/O.
Do not exceed 3.6 V on VDD for the LF variant; the non-LF PIC16F19175-E/PT is required for 5 V systems. When migrating firmware between PIC16LF19175 and PIC16LF19176, double-check that peripheral libraries match the device header file; selecting the wrong header can produce subtle ADC and PWM configuration mismatches. Estimated: average active current ~4 mA at 32 MHz/3.3 V from typical PIC16 XLP datasheet curves, used here only to illustrate battery-life budgeting.
Compliance Information
RoHS compliance per Microchip product page. The -E industrial temperature grade is not AEC-Q100 qualified; for automotive applications consider Microchip's AEC-Q100-qualified PIC16F191xx variants.