Texas Instruments

BQ24620RVAR  

Battery Chargers

The BQ24620RVAR is a high-efficiency, synchronous, step-down battery charge management IC from Texas Instruments. It is designed to provide a complete charging solution for single-cell lithium-ion (Li-ion) and lithium-polymer (Li-poly) batteries, with a wide range of input voltages and charging currents.

Description:

The BQ24620RVAR is a highly integrated, high-efficiency charging solution that offers a variety of features to ensure safe and efficient charging of single-cell Li-ion and Li-poly batteries. It operates with input voltages ranging from 2.7V to 5.5V and supports charging currents up to 5A.

Features:

1. High Efficiency: The BQ24620RVAR offers high efficiency, with a maximum efficiency of up to 94%, which helps minimize power dissipation and reduce thermal issues.
2. Wide Input Voltage Range: It supports a wide range of input voltages (2.7V to 5.5V), making it suitable for various power supply scenarios.
3. Programmable Charging Current: The charging current can be programmed using an external resistor, allowing for customization based on the battery capacity and system requirements.
4. Thermal Protection: The BQ24620RVAR includes thermal protection features to prevent overheating during charging.
5. Battery Protection: It provides overcharge, over-discharge, and short-circuit protection for the battery, ensuring safe operation.
6. Charge Status Indicator: The device features a charge status indicator that can be used to inform the user about the charging progress.
7. Small Package: The BQ24620RVAR is available in a compact 20-pin, 3mm x 4mm WQFN package, making it suitable for space-constrained applications.

Applications:

1. Portable Devices: The BQ24620RVAR is ideal for charging single-cell Li-ion or Li-poly batteries in portable devices such as smartphones, tablets, and wearables.
2. Power Banks: It can be used in power banks to efficiently charge the internal battery and provide regulated output voltage to charge external devices.
3. IoT Devices: The BQ24620RVAR is suitable for charging batteries in Internet of Things (IoT) devices, where efficiency and compact size are crucial.
4. Medical Devices: It can be used in medical devices that require a reliable and efficient charging solution for single-cell Li-ion or Li-poly batteries.
5. Industrial Equipment: The BQ24620RVAR can be employed in industrial equipment that relies on single-cell Li-ion or Li-poly batteries for power.

In summary, the BQ24620RVAR from Texas Instruments is a highly efficient, feature-rich, and compact battery charge management IC designed for single-cell Li-ion and Li-poly batteries. Its wide input voltage range, programmable charging current, and robust protection features make it suitable for a variety of applications, including portable devices, power banks, IoT devices, medical devices, and industrial equipment.

BQ24620RVAR Documents

Download datasheets and manufacturer documentation for BQ24620RVAR

Datasheets :

BQ24620      

Other Related Documents :

Power Management Guide      

HTML Datasheet :

BQ24620      

PCN Design/Specification :

Copper Bond Wire Revision A 04/Dec/2013