PIC16LF1619T-I/SO - 8-bit XLP MCU, 14KB Flash, 32MHz | Microchip
料号： PIC16LF1619T-I/SO ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.45 | $1.45 |
| 10 | $1.32 | $13.20 |
| 100 | $1.18 | $118.00 |
| 500 | $1.05 | $525.00 |
| 1,000 | $0.92 | $920.00 |
| 3,000 | $0.79 | $2,370.00 |
PIC16LF1619T-I/SO 概述
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/RAM/EEPROM), peripherals, and I/O on one die. The "8-bit" refers to the data bus width and the ALU operation size, meaning the core processes one byte per instruction cycle. The PIC16LF1619T-I/SO belongs to the Microchip PIC16 mid-range family, which sits between PIC10/12/16 baseline and PIC18/24 enhanced cores. The 'LF' prefix indicates the low-voltage variant supporting operation down to 1.8V, while 'F' designates Flash program memory. The '1619' is the specific model number within the PIC16F161X sub-family.
Key differentiating features include 14KB Flash (8K x 14 words), 1KB RAM, 10-bit ADC with ZCD, multiple 16-bit timers, and a 32MHz internal oscillator. The device supports enhanced peripherals such as Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), and Numerically Controlled Oscillator (NCO) for signal generation. XLP technology enables sleep currents below 50nA typical, making it well-suited for battery-powered applications.
Typical applications include low-power sensor nodes, household appliances requiring zero-cross detection for TRIAC control, small motor control (BLDC drivers), LED lighting controls, IoT edge devices, and human-machine interface (HMI) front panels. The wide 1.8V-3.6V operating range allows direct Li-ion battery connection.
When designing with this device, evaluate the unique peripherals (CLC, NCO, ZCD) which can replace external components and PCB area. The internal 32MHz oscillator provides adequate performance for many tasks but may need calibration for time-sensitive protocols like UART at higher baud rates.
This page synthesizes distributor pricing, same-family and cross-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： PIC16LF1619T-I/SO ——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： PIC16LF1619T-I/SO （相同外形与封装尺寸） ——差异在于 Package, Core Architecture, Operating Temperature, Program Memory (Flash), ADC.
快速对比工具——选择替代料号进行并排对比：
PIC16LF1619-I/SO
✅ 直接替换📋 参考替代料（不在目录中）
PIC16LF1618T-I/SO
✅ 直接替换✓ 有现货
$0.31 / 个
查看数据手册 →PIC16LF1618-I/SO
✅ 直接替换✓ 有现货
$1.1 / 个
查看数据手册 →PIC16LF1615T-I/SL
✅ 直接替换✓ 有现货
$1.18 / 个
查看数据手册 →PIC16LF1579T-I/SO
✅ 直接替换✓ 有现货
$1.48 / 个
查看数据手册 →PIC16LF15355-I/SO
✅ 直接替换✓ 有现货
$1.05 / 个
查看数据手册 →PIC16LF1503T-I/SL
✅ 直接替换✓ 有现货
$0.74 / 个
查看数据手册 →PIC16LF1619T-I/SO 最大额定值与电气特性
| Core Architecture | PIC 8-bit RISC |
| Family | PIC16F161X |
| Program Memory (Flash) | 14 KB (8K x 14) |
| RAM | 1 KB |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage | 1.8 V to 3.6 V |
| 封装 | 20-pin SOIC (SO) |
| 引脚数量 | 20 |
| ADC | 10-bit |
| 工作温度 | -40C to +85C (Industrial) |
| Zero-Cross Detection | Yes |
| Configurable Logic Cells (CLC) | Yes |
| Complementary Waveform Generator (CWG) | Yes |
| Numerically Controlled Oscillator (NCO) | Yes |
| XLP Technology | Yes (eXtreme Low-Power) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
PIC16LF1619T-I/SO 引脚配置
| 引脚 1 | RA0/AN0 — Bidirectional I/O / Analog input channel 0 |
| 引脚 2 | RA1/AN1 — Bidirectional I/O / Analog input channel 1 |
| 引脚 3 | RA2/AN2 — Bidirectional I/O / Analog input channel 2 |
| 引脚 4 | RA3/AN3 — Bidirectional I/O / Analog input channel 3 |
| 引脚 5 | RA4/AN4 — Bidirectional I/O / Analog input channel 4 |
| 引脚 6 | RA5/AN5 — Bidirectional I/O / Analog input channel 5 |
| 引脚 7 | VSS — Ground reference |
| 引脚 8 | RA7/OSC1 — Bidirectional I/O / Crystal oscillator input |
| 引脚 9 | RA6/OSC2 — Bidirectional I/O / Crystal oscillator output |
| 引脚 10 | RC0 — Bidirectional I/O |
| 引脚 11 | RC1 — Bidirectional I/O |
| 引脚 12 | RC2 — Bidirectional I/O |
| 引脚 13 | RC3 — Bidirectional I/O |
| 引脚 14 | RC4 — Bidirectional I/O |
| 引脚 15 | RC5 — Bidirectional I/O |
| 引脚 16 | RC6 — Bidirectional I/O |
| 引脚 17 | RC7 — Bidirectional I/O |
| 引脚 18 | VSS — Ground reference (secondary) |
| 引脚 19 | VDD — Positive supply voltage |
| 引脚 20 | VDD — Positive supply voltage (secondary) |
典型应用
PIC16LF1619T-I/SO 适用于 6 应用s: Low-Power Sensor Node, Small Motor Control (BLDC/Fan), Smart LED Lighting Control, Household Appliance User Interface, IoT Edge Device with Signal Conditioning, Battery-Powered Wearable Device.
Low-Power Sensor Node
The PIC16LF1619T-I/SO fits low-power wireless sensor nodes due to its XLP technology delivering sub-50nA sleep currents and 1.8V-3.6V operation that allows direct connection to 2xAA or coin-cell batteries. With 14KB Flash and 1KB RAM, the part comfortably supports sensor-fusion firmware, periodic wake-measure-transmit cycles, and BLE/Zigbee stack fragments. The internal 32MHz oscillator eliminates an external crystal on cost-sensitive nodes. Its Configurable Logic Cells (CLC) enable event-driven wake-up without CPU intervention, while the 10-bit ADC supports direct sensor analog input. Compared with ARM Cortex-M0+ alternatives, the PIC16LF1619T-I/SO consumes less sleep power and costs less in small SOIC-20 footprints.
推荐
Small Motor Control (BLDC/Fan)
The PIC16LF1619T-I/SO is well-matched to small motor control applications such as brushless DC (BLDC) fans and miniature pumps. Its Complementary Waveform Generator (CWG) produces complementary PWM outputs with programmable dead-band delays that directly drive half-bridges without an external gate driver in low-current applications. The 32MHz CPU speed is sufficient for sensorless BEMF zero-cross detection or back-EMF control loops at moderate RPMs. Zero-Cross Detection (ZCD) on-chip simplifies AC-line TRIAC control for universal motor applications, replacing external zero-cross optocouplers. The 14KB Flash accommodates state-machine-based motor control firmware plus UART command parsers for speed/direction control.
推荐
Smart LED Lighting Control
The PIC16LF1619T-I/SO drives smart LED lighting products through its Numerically Controlled Oscillator (NCO) and 16-bit PWM modules. The NCO provides high-resolution frequency synthesis for color-mixing applications without CPU overhead, allowing smooth CCT and hue transitions. The 32MHz core handles DMX512, DALI, or proprietary RF control protocols while maintaining lighting control loops. XLP sleep mode enables battery-powered accent fixtures. Configurable Logic Cells (CLC) allow hardware-only color sequencing for low-cost decorative lighting without firmware intervention. Compared with general-purpose MCUs, the on-chip CWG and NCO eliminate external PWM-generation ICs.
推荐
Household Appliance User Interface
The PIC16LF1619T-I/SO handles the user-interface and control logic in household appliances such as washing machines, microwaves, and dishwashers. Its 14KB Flash holds the appliance firmware including button-debounce state machines, rotary-encoder decoding, and 7-segment or LCD display drivers. The Zero-Cross Detection (ZCD) enables safe TRIAC switching for AC load control, critical for appliances with heating elements or motor loads. Wide operating voltage (1.8V-3.6V) tolerates noisy power environments typical of white goods. The CWG peripheral can drive piezo buzzers for tone feedback. Compared with dedicated UI controllers, the PIC16LF1619T-I/SO integrates more peripherals and avoids BOM cost.
推荐
IoT Edge Device with Signal Conditioning
The PIC16LF1619T-I/SO serves as an edge pre-processor in IoT deployments, offloading signal-conditioning tasks from the host processor. Configurable Logic Cells (CLC) provide hardware-accelerated digital filtering on sensor inputs without CPU cycles, while the NCO generates precise excitation signals for sensor bridge measurements. The 10-bit ADC samples analog sensors, and the 32MHz core performs on-chip RMS, average, or threshold calculations before transmitting compressed data over UART or SPI. XLP deep-sleep currents below 50nA enable multi-year battery life on duty-cycled edge nodes. Compared with FPGA alternatives, the PIC16LF1619T-I/SO offers lower cost and simpler toolchain for low-volume IoT products.
推荐
Battery-Powered Wearable Device
The PIC16LF1619T-I/SO fits battery-powered wearable form factors due to its tiny SOIC-20 footprint and XLP ultra-low-power architecture. Operating down to 1.8V allows direct connection to single-cell Li-ion or Li-polymer batteries without boost converters. Sleep currents under 50nA extend battery life for fitness bands, smart watches, medical patches, and hearable accessories. With 14KB Flash and 1KB RAM, the part supports BLE-beacon firmware, step-counter algorithms, and heart-rate processing at modest power budgets. The internal 32MHz oscillator eliminates an external crystal that would otherwise increase BOM and board area in space-constrained wearables.
推荐
推荐产品汇总
工程参考数据： PIC16LF1619T-I/SO ——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 | PIC16LF1619-I/SO | PIC16LF1618T-I/SO | PIC16LF1618-I/SO | PIC16LF1615T-I/SL | PIC16LF1579T-I/SO | PIC16LF15355-I/SO | PIC16LF1503T-I/SL |
|---|---|---|---|---|---|---|---|---|
| Package | SOIC-20 | SOIC-20 (same) | SOIC-20 (same) | SOIC-20 (same) | SOIC-20 (same) | SOIC-20 (same) | SOIC-20 (same) | SOIC-20 (same) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 14 KB | 14 KB | 7 KB | 7 KB | 14 KB | 14 KB | 8 KB | 8 KB |
| RAM | 1 KB | 1 KB | 512 B | 512 B | 1 KB | 1 KB | 1 KB | 256 B |
| Max CPU Speed | 32 MHz | 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 | 1.8 V to 3.6 V |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| Zero-Cross Detection (ZCD) | Yes | Yes | Yes | Yes | Yes | No | No | No |
| Configurable Logic Cells (CLC) | Yes | Yes | Yes | Yes | Yes | No | Yes | No |
关键差异点
- Higher Flash and RAM than the PIC16LF1618 within same SOIC-20 footprint （对比 PIC16LF1618T-I/SO)
- On-chip advanced peripherals (CLC, CWG, NCO, ZCD) not present on older PIC16LF1579 （对比 PIC16LF1579T-I/SO)
- Lower-voltage operation enables direct Li-ion battery connection （对比 PIC16F1619 (F variant, 2.3V-5.5V))
设计说明
Estimated: The PIC16LF1619T-I/SO draws approximately 6.5 mA active at 32 MHz and 3.3V, and sub-50nA in deep sleep. Use a 100 nF decoupling capacitor within 2 mm of the VDD pin (pin 19) and a 10 uF bulk capacitor on VDD. Place a ferrite bead between the MCU and noise-sensitive analog circuits. Power-rail sequencing is not required since the device operates from a single rail, but ensure VDD ramps monotonically above 1.8V before any I/O toggles.
The 20-pin SOIC layout requires both VDD pins (19, 20) and both VSS pins (7, 18) to be connected for proper operation. Route both VDD traces with a star pattern from a central decoupling capacitor. Analog-input pins (RA0-RA5) should have a small ground-fill isolation when routing near switching signals. Crystal or oscillator traces on RA6/RA7 should be guarded with ground fill and kept short to minimize EMI.
Do not assume the internal 32 MHz oscillator provides accurate UART baud rates - calibrate the OSCTUNE register for accurate serial communication. The CLC and CWG peripherals can latch erroneous outputs at startup if not configured properly; initialize them to safe states in firmware. When migrating from PIC16F1619 (5V) to PIC16LF1619T-I/SO (3.6V max), ensure all I/O signals stay within 3.6V or use level shifters, otherwise latch-up will occur.
合规信息
RoHS and lead-free compliance per Microchip product page. Not AEC-Q100 qualified - this part targets consumer/industrial applications; select automotive-grade PIC16F counterparts for vehicle use.
