BQ24195RGER

The BQ24195RGER is a highly integrated single-cell Li-Ion battery charger and system power path management IC. It provides the functionality of a single-cell Li-Ion/Li-Polymer battery charger, system power path management, and system backup power path management in a single device.

Pinout

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

• TS: Thermistor pin for battery temperature monitoring
• CE: Charger enable input
• PG: Power good status output
• STAT: Charger status indication output
• REGN: Device ground
• INTVCC: Internal bias supply
• TS/NTC: Battery thermistor input or output
• VBUS: USB input supply voltage
• SRN: System backup output
• SRP: System backup input
• VSYS: System output voltage
• VDD: Device supply voltage
• PROG: Charge current programming pin
• PGND: Power ground
• BAT: Battery connection for Li-Ion/Li-Polymer cell
• USB: USB input supply pin

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the BQ24195RGER IC for a visual representation.

Key Features

• Single-Cell Li-Ion Charger:Integrated charger for single-cell Li-Ion and Li-Polymer batteries.
• Power Path Management:Integrated system power path management for seamless power transfer between input sources and the battery/system load.
• Accurate Voltage Regulation:Provides accurate voltage regulation for the battery and system output.
• Thermal Regulation:Includes thermal regulation and battery temperature monitoring for safe and reliable charging.
• Status Indication:Charger status indications for user feedback and system monitoring.

Note: For detailed technical specifications, please refer to the BQ24195RGER datasheet.

Application

• Portable Devices: Ideal for charging and power management in portable consumer electronic devices.
• Wearable Devices: Suitable for use in wearable electronics and smart wearable devices requiring compact and efficient power solutions.
• IOT Devices: Used in various Internet of Things (IoT) applications for managing power and charging of single-cell Li-Ion batteries.

Functionality

The BQ24195RGER integrates the functionality of a single-cell Li-Ion battery charger and system power path management, providing a comprehensive solution for managing power in portable and battery-operated electronic devices.

Usage Guide

• Power Supply: Connect VBUS (Pin 8) to the USB input supply voltage and SRP (Pin 10) to the system backup power source.
• Battery Connection: Connect the Li-Ion/Li-Polymer battery to the BAT (Pin 14) terminal for charging and power path management.
• Status Monitoring: Utilize the PG (Pin 3) and STAT (Pin 4) outputs for monitoring the charging status and power path management.

Frequently Asked Questions

Q: Can the BQ24195RGER charge other types of batteries?
A: The BQ24195RGER is designed specifically for single-cell Li-Ion and Li-Polymer batteries and is not suitable for charging other types of batteries.

Q: Is thermal regulation important for battery charging?
A: Yes, thermal regulation is crucial for safe and efficient battery charging, as it helps prevent overheating and ensures the longevity of the battery.