Texas Instruments

BQ24100RHLR

The BQ24100RHLR is a highly integrated, high efficiency, single-cell linear charger with 4.5A current capability from Texas Instruments. It is designed to provide a compact and efficient solution for charging lithium-ion and lithium-polymer batteries.

Description:

The BQ24100RHLR is a linear battery charger that integrates a power switch, current limit, and thermal regulation into a single chip. It features a constant current/constant voltage (CC/CV) charging algorithm that ensures safe and efficient charging of the battery.

Features:

1. High efficiency: The BQ24100RHLR operates with an efficiency of up to 93%, reducing power dissipation and improving thermal performance.
2. 4.5A charging current: The device can provide up to 4.5A of charging current, making it suitable for high-power applications.
3. Constant current/constant voltage (CC/CV) charging: The BQ24100RHLR uses a CC/CV charging algorithm to ensure safe and efficient charging of the battery.
4. Input current limit: The device features an input current limit to protect against overcurrent conditions.
5. Thermal regulation: The BQ24100RHLR includes thermal regulation to protect against overheating during charging.
6. Small form factor: The device is available in a compact 16-pin QFN package, making it suitable for space-constrained applications.

Applications:

The BQ24100RHLR is suitable for a wide range of applications that require high-efficiency, high-current charging of single-cell lithium-ion or lithium-polymer batteries. Some of the potential applications include:

1. Portable electronics: Smartphones, tablets, and other handheld devices can benefit from the high efficiency and compact form factor of the BQ24100RHLR.
2. Power banks: The device can be used in power banks to provide efficient charging of the internal battery.
3. Wearables: Smartwatches, fitness trackers, and other wearable devices can take advantage of the BQ24100RHLR's high efficiency and small form factor.
4. Medical devices: The BQ24100RHLR can be used in medical devices that require efficient and reliable battery charging.
5. Industrial equipment: The device can be used in industrial equipment that requires high-power charging of single-cell lithium-ion or lithium-polymer batteries.

In summary, the BQ24100RHLR is a highly efficient, high-current linear battery charger from Texas Instruments that is suitable for a wide range of applications requiring single-cell lithium-ion or lithium-polymer battery charging. Its compact form factor, high efficiency, and integrated features make it an attractive choice for space-constrained and high-power applications.