BQ24172RGYR

The BQ24172RGYR is a highly integrated single-cell Li-Ion and Li-Pol battery charger with power path management. It is designed to support up to 3A charge current and provide efficient charging and system power management for portable applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• TS: Temperature Sense Input
• PROG: LED Outputs/Charge Current Programming
• VDD: Input Supply Voltage for Charger and System
• BAT: Battery Connection for Charging
• TS: Temperature Sense Output
• PG: Power Good Output
• STAT: Charging and System Status Indication
• CE: Charger Enable

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the BQ24172RGYR for a visual representation.

Key Features

• Single-Cell Li-Ion and Li-Pol Charger: Supports charging of single lithium-ion or lithium-polymer cells, providing flexibility for various portable applications.
• Power-Path Management: Enables simultaneous battery charging and system power provision, optimizing the device's power management capabilities.
• High Charge Current: Capable of delivering up to 3A charge current, allowing for fast and efficient battery charging.
• Programmable LED Outputs: Provides flexibility in indicating charging status and system power conditions through programmable LED outputs.
• Wide Input Voltage Range: Accepts input voltages from 3.9V to 6.2V, making it suitable for various power sources.

Note: For detailed technical specifications, please refer to the BQ24172RGYR datasheet.

Application

• Portable Devices: Ideal for use in portable electronic devices such as smartphones, tablets, and portable medical devices.
• Power Banks: Suitable for integrating into power bank designs to provide efficient and controlled charging for lithium-ion batteries.
• Wireless Speakers: Used for managing and charging batteries in wireless speaker systems for enhanced portability.

Functionality

The BQ24172RGYR offers integrated charging and power path management for single-cell lithium-ion and lithium-polymer batteries. It provides a reliable and efficient solution for portable device power management.

Usage Guide

• Battery Connection: Connect the battery to the BAT pin for charging and power delivery.
• System Voltage: Connect the VDD pin to the system supply voltage for efficient power path management.
• Charger Enable: Utilize the CE pin to enable or disable the charging functionality of the device.

Frequently Asked Questions

Q: What is the maximum charge current supported by the BQ24172RGYR?
A: The BQ24172RGYR is capable of supporting charge currents of up to 3A, allowing for fast charging of lithium-ion and lithium-polymer batteries.

Q: Can the BQ24172RGYR be used with input sources below 3.9V?
A: No, the BQ24172RGYR requires input sources within the specified input voltage range of 3.9V to 6.2V for proper operation.