BQ24030RHLRG4

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The BQ24030RHLRG4 is an advanced, single-cell linear Li-Ion/Li-Polymer battery charger IC with Precharge function, providing design flexibility to fit space-constrained portable-device applications. With its Precharge feature enabled, this device can charge the battery cell with a full-charging voltage before automatically transitioning to a constant current (CC) stage. The device is designed to improve charging time, extend charge cycles, and ensure safe charging. BQ24030RHLRG4 is integrated in Portable Mobile device component solutions for Portable Mobile electronic devices, batteries, tablets, cell phones, and other devices.

In terms of its application field, BQ24030RHLRG4 is an ideal solution for design engineers to get the right power solutions for their applications. The device is well suited for portable systems requiring onboard charging, as well as stand-alone battery-charging solutions. Its Precharge feature allows designers to easily integrate the device into their applications to quickly charge a cell by detecting the voltage and current levels of the cells before transitioning into a CC stage. In addition, the device includes an internal power-on reset (POR) and short-circuit protection (SCP) which provides the desired protection against short circuit or over voltage.

In terms of its working principle, BQ24030RHLRG4 is built with a constant current/constant voltage (CV/CC) control circuit. When the POR is enabled, the charge voltage is set to 4.2V and a predetermined input current is set to 10mA. If the battery voltage reaches 4.2V, the charger moves to the termination status which is usually indicated by LED1. The device monitors the voltage and current of the cells to ensure safe charging and automatically transitions into a CC stage if the cells require more current than the set value.

To summarize, BQ24030RHLRG4 is a single-cell linear Li-Ion/Li-Polymer battery charger IC with Precharge function offering design flexibility to fit space-constrained portable-device applications. It is integrated in Portable mobile device component solutions for portable mobile electronic devices, batteries, tablets, cellphones, and other devices. Its Precharge feature allows designers to easily integrate it into their applications and the device includes an internal power-on reset (POR) and short-circuit protection (SCP) providing the desired protection against short circuit or over voltage. The device also uses a constant current/constant voltage (CV/CC) control circuit which allows it to detect voltage and current levels of the cells before transitioning into a constant current (CC) stage for safe charging.

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