PIC16LF1704-I/SL

Overview

The PIC16LF1704-I/SL is an 8-bit microcontroller from Microchip Technology's PIC16F family, designed for low-power and cost-sensitive applications. It operates at a wide voltage range (1.8V to 5.5V), making it suitable for battery-powered devices. With its compact 14-pin package, it integrates core features like a 7-bit ADC, PWM modules, and EUSART, enabling versatile embedded designs. This microcontroller is programmed in C or assembly via Microchip's MPLAB IDE, offering flexibility for developers. Its nanoWatt XLP technology ensures minimal power consumption, extending battery life in portable applications such as sensors, wearables, and remote controls.

Structure and Working Principle

MCP4431-503E/ST 数字电位器 Microchip(微芯) 封装TSSOP-14 批次23+

深圳市永贝尔半导体有限公司

The PIC16LF1704-I/SL is built on Microchip's enhanced mid-range architecture, featuring a 14-bit wide instruction set for efficient code execution. Its core includes 3.5KB Flash memory, 128 bytes of RAM, and 256 bytes of EEPROM for data retention. The CPU operates at up to 32 MHz, balancing performance and energy efficiency. Key peripherals include a 10-bit ADC for analog signal processing, two PWM modules for motor control, and a hardware UART for serial communication. The device supports multiple sleep modes, reducing power consumption to sub-μA levels during idle states, critical for IoT edge nodes.

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Key Features

Ultra-low power consumption is the standout feature of the PIC16LF1704-I/SL, with active currents as low as 50 μA/MHz and sleep currents down to 20 nA. This makes it ideal for energy harvesting and coin-cell battery applications. The microcontroller also includes robust analog capabilities, such as a 10-bit ADC with a 7-channel multiplexer. Additional features include a built-in capacitive sensing module (mTouch) for touch interfaces, two 8-bit timers, and a watchdog timer for system reliability. Its wide temperature range (-40°C to +85°C) ensures operation in harsh environments.

Application Areas

The PIC16LF1704-I/SL is widely used in portable medical devices, such as glucose monitors and wearable health trackers, due to its low power and analog integration. In consumer electronics, it powers smart remotes, toys, and LED lighting controllers. Industrial applications include sensor nodes for condition monitoring and low-power actuators. Its small footprint and peripheral set also make it a fit for automotive accessories like tire pressure monitors, where energy efficiency is paramount.

Maintenance and Precautions

PIC24HJ64GP206-I/PT 集成电路(IC) 微芯封装TQFP 批号25+

深圳市汇莱威科技有限公司

To ensure longevity, avoid exposing the PIC16LF1704-I/SL to voltages beyond its specified range (1.8V–5.5V). ESD precautions, such as using grounded workstations, are critical during handling and assembly. Firmware should include watchdog timer resets to recover from unexpected hangs. For firmware updates, use Microchip's PK3 or ICD4 programmers. Thermal management is generally unnecessary due to low power dissipation, but adequate PCB spacing is recommended for high-frequency designs.

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B2B Procurement Guide

When sourcing the PIC16LF1704-I/SL, verify authenticity through authorized distributors like Digi-Key or Mouser to avoid counterfeit parts. Bulk orders (1,000+ units) typically reduce costs by 20–30%. Lead times vary; allocate 6–8 weeks for non-stock purchases. Evaluate alternative part numbers (e.g., PIC16LF1705 for more memory) if project requirements change. For prototyping, opt for sample kits from Microchip’s website, which include development boards and software tools.