BQ24123RHLRG4

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The BQ24123RHLRG4 is a highly integrated single-cell, lithium-ion/polymer battery chargers. It offers a complete system solution designed to simplify the task of implementing a fast and flexible charger design. This charger can be used to quickly charge and discharge small lithium-ion batteries and is designed to provide maximum flexibility and control.

The BQ24123RHLRG4 operates as a switch-mode charger and is an integrated single-cell Li-ion/polymer battery management solution. It includes an intelligent DC/DC, a Battery Monitoring System (BMS) controller, and a configurable analog front end. This elimination of separate components further streamlines a design process and increases overall system performance.

The BQ24123RHLRG4 is suitable for charging applications such as smart phones, tablets, wearables, and many other portable devices. This charger operates in both constant-current and constant-voltage modes and provides separate charging curve algorithms for the various battery chemistries. It supports a variety of input sources including USB, wall adapters, adapter boxes, and other power sources. The BQ24123RHLRG4 is also capable of supplies up to 2A charging current, making it suitable for quick charging.

The BQ24123RHLRG4\'s charging algorithm is based on the Battery Modeling System (BMS) which is a complex set of proprietary algorithms for monitoring the battery status. The BMS monitors the battery voltage level, temperature, charge current and time, estimates the remaining capacity, and periodically adjusts the charging parameters and voltage levels to optimize charging conditions for the application. This makes it ideal for applications that require high precision, such as charging portable electronic devices.

The BQ24123RHLRG4 also has integrated safety features such as over-voltage protection and current-limit protection to ensure that the charger operates within safe operating parameters. In addition, the BQ24123RHLRG4 also has auto-recharge and auto-complete functions that can be used to terminate the charging cycle and notify the user when the battery is full.

The BQ24123RHLRG4 is designed with a flexible power management architecture which makes it ideal for rapid system development. It integrates several DC/DC converters and a BMS controller for efficient battery management. This charger is also tailored to meet the needs of high-current requirements and offers a wide range of power supply options including USB, wall adapters and other power sources.

The BQ24123RHLRG4 offers a complete solution for charging lithium-ion/polymer batteries, simplifying the task of implementing fast and flexible charger designs. With an integrated BMS, a high output current capability, and a wide range of power supply options, it is ideal for a variety of portable and high current applications.

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