PIC16LF1717-I/PT - 8-Bit 32MHz MCU, 14KB Flash, 44-TQFP | Microchip
料号： PIC16LF1717-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $2.93 | $2.93 |
| 10 | $2.49 | $24.90 |
| 100 | $2.07 | $207.00 |
| 500 | $1.72 | $860.00 |
| 1,000 | $1.45 | $1,450.00 |
PIC16LF1717-I/PT 概述
An 8-bit microcontroller is a small computer-on-a-chip built around an 8-bit data path, on-chip Flash for program storage, RAM for runtime data, and a rich set of peripherals (timers, ADC, communication ports). It belongs to the broader hierarchy microcontroller -> MCU -> embedded controller -> semiconductor, and is the workhorse of cost-sensitive, low-power IoT, sensor, and human-interface designs. The PIC16F core has been in production for decades and is supported by a mature MPLAB X toolchain, XC8 compiler, and a vast library of application notes from Microchip.
Key features of the PIC16LF1717 include eXtreme Low Power (XLP) technology for battery-operated designs, an integrated temperature indicator, multiple 10-bit PWM modules, configurable logic cells (CLC), and a Numerically Controlled Oscillator (NCO) for precision waveform generation. The 'LF' prefix denotes a wide 1.8V-3.6V Vdd operating range, allowing direct connection to single-cell Li-ion or two-AA battery chemistries. The device supports in-circuit serial programming (ICSP) and features robust ESD and latch-up ratings typical of Microchip's industrial-grade silicon.
Architecturally, the PIC16LF1717 uses a Harvard RISC core with a 14-bit instruction word, a 49-instruction set, and a deep interrupt stack that simplifies real-time firmware development. The integrated op amps, DAC and comparator resources let the part replace several external analog ICs in sensor-conditioning and signal-generation paths. The combination of CLC, NCO, COG and PPS gives digital designers significant routing flexibility without external glue logic.
Typical applications include low-power IoT sensor nodes, battery-powered instrumentation, LED lighting control, capacitive-touch human interfaces, small motor and fan control, and general-purpose consumer/industrial embedded systems. The wide operating voltage and low sleep currents make it especially suitable for energy-harvesting or always-on designs. Industrial-grade temperature range of -40C to +85C supports harsh-environment deployments.
When designing with the PIC16LF1717-I/PT, ensure that the device is supplied within its 1.8V-3.6V Vdd window; connecting 5V directly will damage the LF variant. Decouple Vdd with a 100nF ceramic capacitor close to each Vdd/Vss pair, and place the ICSP programming header away from high-current traces. The Peripheral Pin Select feature requires careful pin-assignment planning during code development to avoid conflicts with analog inputs and op-amp outputs.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone - giving an engineer a single reference for BOM selection, sourcing, and validation of the PIC16LF1717-I/PT.
直接替换替代料： PIC16LF1717-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： PIC16LF1717-I/PT （相同外形与封装尺寸） ——差异在于 ADC, Package, DAC, Operating Temperature, Core.
快速对比工具——选择替代料号进行并排对比：
PIC16F1717-I/PT
✅ 直接替换✓ 有现货
$2.3 / 个
查看数据手册 →PIC16LF1718-I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC16LF1719-I/PT
✅ 直接替换✓ 有现货
$1.94 / 个
查看数据手册 →PIC16LF1709-I/P
✅ 直接替换✓ 有现货
$1.42 / 个
查看数据手册 →PIC16LF1717-I/PT 最大额定值与电气特性
| Core | PIC 8-bit RISC (Harvard, 14-bit instruction word) |
| Family | PIC® XLP™ 16F |
| CPU Speed | 32 MHz (max) |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 1 KB |
| Operating Voltage (Vdd) | 1.8 V to 3.6 V |
| ADC | 10-bit |
| 封装 | 44-pin TQFP (10x10 mm) |
| 工作温度 | -40C to +85C (Industrial) |
| 安装类型 | Surface Mount |
| Low-Power Technology | eXtreme Low Power (XLP) |
| On-Chip Op Amps | Yes |
| Core Independent Peripherals | CLC, NCO, COG, Zero-Cross Detect |
| Peripheral Pin Select (PPS) | Yes |
| RoHS 状态 | Compliant |
PIC16LF1717-I/PT 引脚配置
| 引脚 1 | VDD — Positive supply voltage (1.8V-3.6V) |
| 引脚 2 | RA5 — Port A bit 5 (digital I/O, analog input) |
| 引脚 3 | RA4 — Port A bit 4 (digital I/O, analog input) |
| 引脚 4 | RA3 — Port A bit 3 (digital I/O, analog input) |
| 引脚 5 | RC5 — Port C bit 5 (digital I/O) |
| 引脚 6 | RC4 — Port C bit 4 (digital I/O) |
| 引脚 7 | RC3 — Port C bit 3 (digital I/O, analog input) |
| 引脚 8 | RC6 — Port C bit 6 (digital I/O) |
| 引脚 9 | RC7 — Port C bit 7 (digital I/O) |
| 引脚 10 | RB7 — Port B bit 7 (digital I/O, analog input) |
| 引脚 11 | RB6 — Port B bit 6 (digital I/O, analog input) |
| 引脚 12 | RB5 — Port B bit 5 (digital I/O, analog input) |
| 引脚 13 | RB4 — Port B bit 4 (digital I/O, analog input) |
| 引脚 14 | RB3 — Port B bit 3 (digital I/O, analog input) |
| 引脚 15 | RB2 — Port B bit 2 (digital I/O, analog input) |
| 引脚 16 | RB1 — Port B bit 1 (digital I/O, analog input) |
| 引脚 17 | RB0 — Port B bit 0 (digital I/O, analog input) |
| 引脚 18 | VSS — Ground reference |
| 引脚 19 | VDD — Positive supply voltage |
| 引脚 20 | RA7 — Port A bit 7 (digital I/O, analog input) |
| 引脚 21 | RA6 — Port A bit 6 (digital I/O, analog input) |
| 引脚 22 | RD0 — Port D bit 0 (digital I/O) |
| 引脚 23 | RD1 — Port D bit 1 (digital I/O) |
| 引脚 24 | RE0 — Port E bit 0 (digital I/O) |
| 引脚 25 | RE1 — Port E bit 1 (digital I/O) |
| 引脚 26 | RE2 — Port E bit 2 (digital I/O) |
| 引脚 27 | RD2 — Port D bit 2 (digital I/O) |
| 引脚 28 | RD3 — Port D bit 3 (digital I/O) |
| 引脚 29 | RC0 — Port C bit 0 (digital I/O, analog input) |
| 引脚 30 | RC1 — Port C bit 1 (digital I/O, analog input) |
| 引脚 31 | RC2 — Port C bit 2 (digital I/O, analog input) |
| 引脚 32 | VSS — Ground reference |
| 引脚 33 | RD4 — Port D bit 4 (digital I/O) |
| 引脚 34 | RD5 — Port D bit 5 (digital I/O) |
| 引脚 35 | RD6 — Port D bit 6 (digital I/O) |
| 引脚 36 | RD7 — Port D bit 7 (digital I/O) |
| 引脚 37 | RA0 — Port A bit 0 (digital I/O, analog input) |
| 引脚 38 | RA1 — Port A bit 1 (digital I/O, analog input) |
| 引脚 39 | RA2 — Port A bit 2 (digital I/O, analog input) |
| 引脚 40 | VSS — Ground reference |
| 引脚 41 | ICSPCLK — In-circuit serial programming clock |
| 引脚 42 | ICSPDAT — In-circuit serial programming data |
| 引脚 43 | MCLR/VPP — Reset input / programming voltage |
| 引脚 44 | OSC1/CLKIN — Crystal oscillator input or external clock |
典型应用
PIC16LF1717-I/PT 适用于 6 应用s: Battery-Powered IoT Sensor Node, LED Lighting and Color-Mixing Control, Capacitive-Touch Human Interface, Small Motor and Fan Control, Industrial Sensor Conditioning and Signal Acquisition, Energy-Harvesting and Always-On Devices.
Battery-Powered IoT Sensor Node
The PIC16LF1717-I/PT is purpose-built for battery-powered IoT sensor nodes. Its 1.8V-3.6V Vdd range accepts a single CR2032 coin cell or 2x AA alkaline pack without any LDO regulator. The XLP nanoWatt sleep current - typically under 1 uA in sleep with RTC running - enables multi-year battery life when the part wakes periodically to read a sensor and transmit. The on-chip 10-bit ADC and configurable logic cells (CLC) handle sensor signal conditioning without external analog ICs, reducing BOM cost and PCB area. Designers pair the MCU with sub-GHz or BLE modules, using the PIC16LF1717 as the always-on host that handles sensor sampling, local averaging, and command processing.
推荐
LED Lighting and Color-Mixing Control
The PIC16LF1717-I/PT integrates a Complementary Output Generator (COG), Numerically Controlled Oscillator (NCO), and multiple 10-bit PWM channels that make it ideal for multi-channel LED lighting and color-mixing control. The COG can drive high-side and low-side FETs in a half-bridge configuration with programmable dead-band and blanking - perfect for boost/buck LED drivers and dimmable lighting. The NCO produces high-resolution PWM frequencies for smooth color mixing without flicker. With its 1.8V-3.6V Vdd, the part can be powered directly from a single-cell Li-ion battery pack used in portable architectural and decorative lighting fixtures, and Peripheral Pin Select (PPS) simplifies PCB layout.
推荐
Capacitive-Touch Human Interface
The PIC16LF1717-I/PT supports Microchip's mTouch capacitive-touch sensing firmware library through its Peripheral Pin Select (PPS) and on-chip op amps, which can be configured as high-impedance sense channels for touch buttons and sliders. The mTouch library provides proven firmware for proximity detection, water-tolerant sensing, and gesture recognition. Industrial designers appreciate the wide 1.8V-3.6V Vdd which lets the part run directly from a USB or two-AA battery input. With 1KB RAM, the PIC16LF1717 has enough headroom for a UI state machine plus touch-event handling, while the CLC peripheral offloads simple button-debounce logic in hardware, freeing the core for higher-level tasks.
推荐
Small Motor and Fan Control
The PIC16LF1717-I/PT suits small BLDC, brushed DC, and stepper motor control with its configurable logic cells (CLC), COG peripheral, NCO, and 10-bit PWM modules. The COG generates complementary drive signals with programmable dead-band and blanking for safe half-bridge switching, while the NCO provides high-resolution timing for precise speed control. The 10-bit ADC reads back EMF, current, or Hall sensors, and the on-chip op amps condition analog feedback signals without external analog ICs. Designers use the Peripheral Pin Select feature to remap peripheral outputs to application-specific pins, optimizing PCB layout for the gate-driver and power-stage placement.
推荐
Industrial Sensor Conditioning and Signal Acquisition
The PIC16LF1717-I/PT integrates two on-chip operational amplifiers, a 10-bit ADC, and configurable logic cells, making it a strong fit for industrial sensor signal conditioning. The op amps can buffer or amplify signals from thermocouples, RTDs, load cells, and bridge sensors without external analog front-end ICs. The 10-bit ADC handles low-bandwidth process-variable sampling, while the CLC implements window-comparator logic for threshold detection directly in hardware. The 1.8V-3.6V Vdd range simplifies 3.3V-only industrial backplanes, and the -40C to +85C industrial temperature rating supports factory-floor deployments with adequate margin around the part's specified operating range.
推荐
Energy-Harvesting and Always-On Devices
The PIC16LF1717-I/PT's XLP nanoWatt sleep technology and 1.8V-3.6V Vdd make it ideal for energy-harvesting applications like solar-powered wireless sensor nodes, self-powered BLE beacons, and footstep-powered switches. Sleep currents below 1 uA - with the on-chip ADC, op amps, and CLC still available - allow the MCU to remain always-on while consuming negligible energy from the harvester. The on-chip temperature indicator and ADC monitor the harvester's storage element to manage load shedding. The 32MHz HFINTOSC eliminates an external crystal, reducing BOM and leakage, while the CLC and NCO offload wake-up signal processing in hardware so the core can stay asleep longer.
推荐
推荐产品汇总
工程参考数据： PIC16LF1717-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 | PIC16F1717-I/PT | PIC16LF1718-I/PT | PIC16LF1719-I/PT | PIC16LF1709-I/P |
|---|---|---|---|---|---|
| Package | TQFP-44 (10x10 mm) | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | PDIP-40 - different package |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Flash Memory | 14 KB | 14 KB | Larger (family upgrade) | Largest (family upgrade) | Smaller |
| Data RAM | 1 KB | 1 KB | Larger | Largest | Smaller |
| Operating Voltage (Vdd) | 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 | 1.8 V to 3.6 V |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| On-Chip Op Amps | Yes | Yes | Yes | Yes | Yes |
| Core Independent Peripherals | CLC, NCO, COG, ZCD | CLC, NCO, COG, ZCD | CLC, NCO, COG, ZCD | CLC, NCO, COG, ZCD | Reduced set |
| XLP Low Power | Yes (nanoWatt) | Yes (nanoWatt) | Yes (nanoWatt) | Yes (nanoWatt) | Yes (nanoWatt) |
关键差异点
- Widest Vdd range in PIC16LF1717 family - supports 1.8V-3.6V direct from coin cells （对比 PIC16F1717-I/PT)
- 14KB Flash + 1KB RAM provides generous headroom for CLC and NCO firmware libraries （对比 PIC16LF1709-I/P)
- On-chip op amps eliminate external analog front-end ICs in sensor designs （对比 PIC16LF1618-I/SO)
设计说明
The PIC16LF1717-I/PT must be operated strictly within its 1.8V-3.6V Vdd window. Applying 5V to a Vdd pin will permanently damage the LF silicon variant; choose PIC16F1717 (2.3V-5.5V) instead for 5V systems. Decouple each Vdd/Vss pair with a 100nF ceramic capacitor placed within 5 mm of the IC pins to suppress switching noise from the internal core and I/O transitions. Estimated: with one 32MHz HFINTOSC and all peripherals active, core current is approximately 4-6 mA at 3.3V per the datasheet DC characteristics, plus I/O sink/source current. For battery designs, use the XLP sleep modes with the on-chip LFINTOSC watchdog and the ADC + op amps off for sub-1 uA standby current.
Route the TQFP-44 package on a 4-layer PCB with a dedicated ground plane directly beneath the IC to provide a low-impedance return path for high-frequency digital switching. Place the ICSP programming header (MCLR/VPP, ICSPCLK, ICSPDAT, Vdd, Vss) on a single 0.1-inch 5-pin connector at the board edge so that production programming can proceed without disturbing the rest of the board. Use Peripheral Pin Select (PPS) to remap peripheral outputs to convenient board-edge pins and reduce PCB trace crossing. Keep analog traces (sensor inputs, op-amp I/O) short and away from PWM, COG, and digital switching signals to minimize crosstalk into the on-chip 10-bit ADC.
Do not enable peripherals in firmware without first configuring their PPS mapping - leaving a peripheral on its default pin can collide with hardware that the user has already assigned. The on-chip op amps require explicit input-multiplexer configuration in the OPAxCON registers before they will drive their output pin; a common bug is to enable the op amp module but leave the input channel mux at reset, which silently floats the output. For interrupt-driven designs, always read the interrupt flag register before clearing the flag bit to avoid spurious re-entry. Finally, ensure the MCLR pull-up resistor is no larger than 47k ohm and that no large capacitor is placed directly on MCLR, or the ICSP programmer cannot drive the device into reset cleanly.
合规信息
RoHS and REACH compliant per Microchip product page. Industrial temperature grade -40C to +85C. Not AEC-Q100 qualified - choose PIC16F1717-I/PT-E or specific automotive part numbers for vehicle applications.