PIC16LF19176T-I/PT - 8-bit XLP MCU, 28KB Flash, 32MHz | Microchip
料号： PIC16LF19176T-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.55 | $25.50 |
| 100 | $2.15 | $215.00 |
| 500 | $1.92 | $960.00 |
| 1,000 | $1.74 | $1,740.00 |
PIC16LF19176T-I/PT 概述
Microcontrollers are programmable embedded computing devices that integrate a CPU, memory, and peripherals onto a single silicon die. Within that hierarchy, an 8-bit MCU like the PIC16LF19176 belongs to the PIC16 family of microcontrollers, which is a sub-family of the larger PIC microcontroller line, itself a major branch of the embedded microcontroller (MCU) product category, ultimately classified under integrated circuits and semiconductors. Engineers pick 8-bit MCUs when cost, deterministic interrupt response, and low power outweigh the raw throughput of 32-bit cores.
This device targets battery-powered human-machine interfaces. XLP technology gives typical deep-sleep currents in the nanoamp range (per the datasheet IDD/DATA specifications), while the LCD charge pump supports glass types that require voltage rails above VDD. On-chip 12-bit ADC2 with oversampling and Burst Accumulate modes reduces external signal-conditioning cost; the DAC enables setpoint generation without a separate chip.
The CIPs - Configurable Logic Cell (CLC), Complementary Waveform Generator (CWG), Signal Measurement Timer (SMT), and Zero-Cross Detect (ZCD) - let timing- and waveform-sensitive functions run without CPU intervention, freeing the core for application code. Peripheral Pin Select (PPS) provides flexible digital I/O mapping across 35 I/O pins, easing PCB routing for mixed-signal boards.
Typical applications include battery-powered consumer products with segmented LCDs (thermometers, blood-pressure monitors, remote controls), industrial sensor transmitters, IoT edge nodes, white-goods user interfaces, and metering/utility devices that demand long battery life and integrated analog signal chains.
When designing with this part, verify the chosen package variant against board space early: the 44-pin TQFP in this MPN is the largest of the family, providing the most I/O; smaller 28-pin or 40-pin variants may require remapping signals. Also confirm the operating voltage window supports your LCD bias requirements, since some glass choices drive VDD toward the upper 3.6 V limit.
This page synthesizes distributor pricing for the PIC16LF19176T-I/PT, drop-in same-family alternatives in the same 44-TQFP footprint, and practical design notes that complement the manufacturer datasheet.
直接替换替代料： PIC16LF19176T-I/PT ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC16LF19176T-I/PT （相同外形与封装尺寸） ——差异在于 Operating Temperature, Package, DAC, ADC, Comparators.
快速对比工具——选择替代料号进行并排对比：
PIC16LF19176-I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC16LF19176-E/PT
✅ 直接替换✓ 有现货
$1.55 / 个
查看数据手册 →PIC16F19176T-I/PT
✅ 直接替换✓ 有现货
$2.18 / 个
查看数据手册 →PIC16LF19175T-I/PT
✅ 直接替换✓ 有现货
$0.9 / 个
查看数据手册 →PIC16LF18877T-I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC16LF19176T-I/PT 最大额定值与电气特性
| Core | PIC16 enhanced mid-range 8-bit |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| Data RAM | 2 KB |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage | 1.8 V to 3.6 V |
| I/O Pins | 35 |
| ADC | 12-bit ADC2 with Computation |
| DAC | 5-bit / 10-bit DAC |
| Comparators | Low-power comparators |
| LCD Driver | Integrated segmented LCD with charge pump |
| Timers/PWM/CCP/CWG/SMT/ZCD | Multiple Core Independent Peripherals |
| Communication | I2C, SPI, UART/USART, LIN-compatible EUSART |
| 工作温度 | -40 C to +85 C (Industrial) |
| 封装 | 44-pin TQFP (10x10 mm) |
| 安装类型 | Surface Mount |
| MSL 等级 | 3 |
| RoHS 状态 | Compliant |
PIC16LF19176T-I/PT 引脚配置
| 引脚 1 | RC7/RX/DT/SDO — Digital I/O / EUSART RX / IO-Link data |
| 引脚 2 | RD0 — Digital I/O / LCD segment |
| 引脚 3 | RD1 — Digital I/O / LCD segment |
| 引脚 4 | RD2 — Digital I/O / LCD segment |
| 引脚 5 | RD3 — Digital I/O / LCD segment |
| 引脚 6 | RC4/SDA/SDI — I2C SDA / SPI SDI / digital I/O |
| 引脚 7 | RC5/SCL/SCK — I2C SCL / SPI SCK / digital I/O |
| 引脚 8 | RC6/TX/CK — EUSART TX / digital I/O |
| 引脚 9 | RC0/AN4 — Digital I/O / analog input 4 |
| 引脚 10 | RC1/AN5 — Digital I/O / analog input 5 |
| 引脚 11 | RC2/AN6 — Digital I/O / analog input 6 |
| 引脚 12 | RC3/AN7 — Digital I/O / analog input 7 |
| 引脚 13 | VSS — Ground |
| 引脚 14 | VDD — Positive supply voltage 1.8V-3.6V |
| 引脚 15 | RA0/AN0 — Digital I/O / analog input 0 |
| 引脚 16 | RA1/AN1 — Digital I/O / analog input 1 |
| 引脚 17 | RA2/AN2 — Digital I/O / analog input 2 |
| 引脚 18 | RA3/AN3/Vref+ — Digital I/O / analog input 3 / ADC Vref+ |
| 引脚 19 | RA4/AN4/SEG14 — Digital I/O / analog / LCD segment |
| 引脚 20 | RA5/AN5/SEG15 — Digital I/O / analog / LCD segment |
| 引脚 21 | RA6/OSC2 — Digital I/O / crystal oscillator output |
| 引脚 22 | RA7/OSC1 — Digital I/O / crystal oscillator input |
| 引脚 23 | RB0/INT — Digital I/O / external interrupt |
| 引脚 24 | RB1 — Digital I/O / LCD segment |
| 引脚 25 | RB2 — Digital I/O / LCD segment |
| 引脚 26 | RB3 — Digital I/O / LCD segment |
| 引脚 27 | RB4 — Digital I/O / LCD segment |
| 引脚 28 | RB5 — Digital I/O / LCD segment |
| 引脚 29 | RB6/ICSPCLK — Digital I/O / ICSP clock / LCD segment |
| 引脚 30 | RB7/ICSPDAT — Digital I/O / ICSP data / LCD segment |
| 引脚 31 | RC0 — Digital I/O (alternate pin numbering) |
| 引脚 32 | RE3/MCLR — Master clear / reset (input) or digital I/O |
| 引脚 33 | RD4 — Digital I/O / LCD segment |
| 引脚 34 | RD5 — Digital I/O / LCD segment |
| 引脚 35 | RD6 — Digital I/O / LCD segment |
| 引脚 36 | RD7 — Digital I/O / LCD segment |
| 引脚 37 | VSS — Ground |
| 引脚 38 | VDD — Positive supply voltage |
| 引脚 39 | AVSS — Analog ground |
| 引脚 40 | AVDD — Analog positive supply |
| 引脚 41 | COM0 — LCD common output |
| 引脚 42 | COM1 — LCD common output |
| 引脚 43 | COM2 — LCD common output |
| 引脚 44 | COM3 — LCD common output |
典型应用
PIC16LF19176T-I/PT 适用于 6 应用s: Battery-Powered Thermometer with LCD, Industrial Sensor Transmitter, Blood Pressure Monitor, Home Appliance User Interface, Battery-Powered IoT Edge Node, Smart Meter / Utility Endpoint.
Battery-Powered Thermometer with LCD
The PIC16LF19176T-I/PT is well-suited for battery-powered digital thermometers requiring a segmented LCD readout. Its 1.8 V to 3.6 V operating range supports 2x AA or coin-cell power, while XLP technology delivers nanoamp-range sleep currents for multi-year battery life. The integrated LCD charge pump drives common glass types directly from low VDD, eliminating the external booster IC. The 12-bit ADC2 reads the thermistor or RTD with averaging burst modes, and the RTCC handles timed wake-ups to refresh the LCD only when needed.
推荐
Industrial Sensor Transmitter
In 4-20 mA or wireless sensor transmitters, the PIC16LF19176T-I/PT combines the 12-bit ADC2 for precision sensor readout with the CWG/SMT peripherals that implement timers and waveform generation in hardware without CPU load. The 32 MHz core gives plenty of headroom for protocol stacks like HART or IO-Link, while the 256-byte EEPROM stores calibration coefficients across temperature cycles. PPS routing simplifies PCB layout when analog and digital signals share the same pins.
推荐
Blood Pressure Monitor
The PIC16LF19176T-I/PT powers blood pressure cuffs where a segmented LCD displays systolic/diastolic readings and the 12-bit ADC2 samples the pressure transducer signal. The integrated DAC generates the slow pressure ramp during inflation, while CWG manages motor control for the pump - all without loading the CPU. XLP modes preserve battery life between measurements, and the device's 35 I/O pins provide room for buttons, buzzer drivers, and IrDA-style data export.
推荐
Home Appliance User Interface
The PIC16LF19176T-I/PT is a strong fit for washing machines, microwave ovens, and dishwashers where a segmented LCD is paired with capacitive or mechanical buttons. The 35 I/O pins handle multiple keypad rows, rotary encoder inputs, relay drivers, and buzzer control. PPS lets the designer remap UART/I2C to unused pins for PCB routing flexibility, and the CLC/CWG peripherals offload waveform generation for triac-controlled heater elements.
推荐
Battery-Powered IoT Edge Node
The PIC16LF19176T-I/PT serves as an edge node MCU in IoT sensors transmitting over BLE, LoRa, or sub-GHz radios. XLP sleep currents measured in nanoamps let the node sit dormant for months, waking on RTCC alarm or external interrupt to take a sensor reading and transmit. The 32 KB Flash fits full LoRaWAN or BLE-stack-lite code, and the 12-bit ADC with averaging oversamples the sensor for noise-immune results.
推荐
Smart Meter / Utility Endpoint
Utility metering endpoints benefit from the PIC16LF19176T-I/PT's integrated LCD with charge pump for displays of kWh or gas usage, combined with the 12-bit ADC2 for current sensing and the CWG for pulse generation. The 256-byte EEPROM stores tariff schedules and tamper flags non-volatilely. XLP current is low enough that meter batteries last the full certification lifetime, while the 32 MIPS core handles metering math, encryption helpers, and communication scheduling.
推荐
推荐产品汇总
工程参考数据： PIC16LF19176T-I/PT ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC16LF19176-I/PT | PIC16LF19176-E/PT | PIC16F19176T-I/PT | PIC16LF19175T-I/PT | PIC16LF18877T-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-44 (10x10 mm) | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same |
| Operating Voltage | 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 |
| Flash Memory | 28 KB | 28 KB | 28 KB | 28 KB | 32 KB | 56 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 4 KB |
| Maximum Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| I/O Pins | 35 | 35 | 35 | 35 | 35 | 36 |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| ADC | 12-bit ADC2 | 12-bit ADC2 | 12-bit ADC2 | 12-bit ADC2 | 12-bit ADC2 | 10-bit ADC |
| Packaging | Tape & Reel | Tube | Tray | Tape & Reel | Tape & Reel | Tape & Reel |
关键差异点
- Lowest-voltage XLP option with full LCD feature set （对比 PIC16F19176T-I/PT)
- Larger Flash than PIC16F19176 family cousins （对比 PIC16LF19175T-I/PT)
- Newer CIP generation over PIC16LF18877 （对比 PIC16LF18877T-I/PT)
设计说明
Estimated: at VDD=3.3 V and 32 MHz active CPU, the PIC16LF19176T-I/PT typically draws about 2-4 mA active current per the datasheet IDD tables. In XLP sleep modes (Sleep, Retention, Deep Sleep), the device drops into nanoamp range, which is critical for battery-powered LCD meters that need to sit idle for years. Use the RTCC or external interrupt to wake the MCU only when a button-press occurs or a periodic measurement is due. Decouple VDD with a 100 nF X7R ceramic placed within 5 mm of the VDD pin, plus a bulk 1-10 uF capacitor on AVDD to keep analog readings clean.
Route the LCD segment lines with minimal crossovers and keep them away from high-speed switching signals like oscillators and PWM outputs to reduce ghost-segment flicker. The 44-pin TQFP has ample ground and VDD pins (pin 13/37 for VSS, pin 14/38 for VDD) - connect each pair directly to its respective plane. Avoid running long analog traces near digital-only LCD segments. The COM0-COM3 pins should return to a clean ground and have their own bypass capacitance of 100 nF to handle charge-pump switching noise.
When migrating from PIC16F19176 to PIC16LF19176, confirm that the chosen VDD stays above 1.8 V in all operating conditions - some LDO regulators and battery chemistries can dip below 1.8 V near end-of-life, causing brown-out resets. Always set the BOR (brown-out reset) voltage threshold slightly above the minimum supply. Watch out for ICD/ICSP pin conflicts: RB6/RB7 are shared with programming, so design the PCB so probe clips can still reach them on assembled boards for in-circuit debug.
合规信息
RoHS and REACH compliance per Microchip product page. AEC-Q100 qualification not available on standard PIC16LF19176T-I/PT; for automotive-grade equivalent choose the PIC16F1917x automotive variant family. Halogen-free status not stated in source data.