BQ24210 is an 800mA, Single-Input, Single-Cell Li-Ion Battery Charger

This post sponsored by Texas Instruments.

BQ24210 from Texas Instruments is a highly integrated Li-Ion linear charger targeted at space-limited portable applications.

The battery is charged in three phases: conditioning, constant current, and constant voltage with an IC thermal protection and safety timer. The charge current value is programmable through an external resistor.The high input voltage range with input overvoltage protection supports low-cost unregulated adapters. The input voltage regulation loop with programmable input voltage regulation threshold makes it suitable for charging from alternative power sources. These include solar panels or inductive charging pads. Furthermore, when no input source is present, the IC has a load mode to power peripherals by connecting the battery to the VBUS. Load mode has current limiting function to prevent overload. BQ24210 has selectable battery tracking mode to maximize the charge rate from solar panels using the DPM feature. It offers 20-V input rating with overvoltage protection and 1% battery voltage regulation accuracy. The device features a current charge up to 800mA with 10% charge current accuracy, as well as thermal regulation protection and low-battery leakage current. BQ24210 is available in a small, 2-mm-by-3-mm, 10-pin WSON package.

By: Rachel Kalina

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For detailed information about the tool mentioned above, click here.
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To download a datasheet, click here.

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