BQ24070RHLT

The BQ24070RHLT is a highly integrated battery charger IC designed for single-cell Li-Ion and Li-Polymer batteries. It features a complete solution for battery management including charging, power path management, and system power supply functionalities.

Pinout

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

• VCC: Positive power supply input
• BAT: Battery connection
• TS: Temperature sensor input
• PROG: Charging current programming pin
• CHRG: Charging status indicator
• STAT: Battery status output
• BATSET: Battery regulation setting
• PGND: Power ground
• ILIM: Current limit setting
• CE: Charge enable pin
• PRE: Precharge current setting
• STG: Staggered charging current control
• NC: No connection
• NC: No connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the BQ24070RHLT IC for a visual representation.

Key Features

• Integrated Battery Charger: Provides complete charging solution for single-cell Li-Ion and Li-Polymer batteries.
• Power Path Management: Seamlessly manages the charging and system power paths to ensure efficient battery operation.
• High Charging Efficiency: Delivers up to 1A charge current with high efficiency and low power dissipation.
• Adjustable Charge Current: Supports adjustable charge current with a programmable PROG pin for flexible applications.
• Temperature Monitoring: Includes a temperature sensor input (TS) for battery thermal management and protection.
• Small Package: Available in a 16-pin QFN package for compact designs and ease of integration.

Note: For detailed technical specifications, please refer to the BQ24070RHLT datasheet.

Application

• Battery Charging Systems: Ideal for use in applications requiring a reliable and efficient Li-Ion or Li-Polymer battery charger.
• Portable Electronics: Suitable for powering and charging batteries in various portable electronic devices.
• Power Management: Effective for managing power paths in systems with a battery and an external power source.

Functionality

The BQ24070RHLT is a sophisticated battery charger IC that offers features such as adjustable charge current, power path management, and temperature monitoring for Li-Ion and Li-Polymer batteries. It provides a comprehensive solution for battery charging and power management in portable electronic devices.

Usage Guide

• Power Supply: Connect VCC (Pin 1) to the positive supply voltage and PGND (Pin 4) to ground.
• Battery Connection: Connect the battery to the BAT (Pin 2) and ensure proper thermal management using the TS (Pin 3) pin.
• Programming: Use the PROG (Pin 4) pin to set the desired charging current and the ILIM (Pin 9) pin for current limit settings.
• Status Monitoring: Use the CHRG (Pin 5) and STAT (Pin 6) pins to monitor the charging status and battery health.

Frequently Asked Questions

Q: What is the maximum charging current of the BQ24070RHLT?
A: The BQ24070RHLT supports a maximum charging current of up to 1A, adjustable via the PROG pin.

Q: Can the BQ24070RHLT be used for dual-cell battery configurations?
A: No, the BQ24070RHLT is designed specifically for single-cell Li-Ion and Li-Polymer battery configurations. For dual-cell configurations, consider alternative ICs.