BQ24013DRCRG4

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Battery charging technology has become an integral part of many consumer electronics products today. A variety of battery management ICs, such as the BQ24013DRCRG4, are available in the market to cover a wide range of charging applications. The BQ24013DRCRG4 is a highly integrated multiphase synchronous buck battery charger, designed to charge 2-, 3-, or 4-cell Li-Ion batteries quickly and safely while providing power supply to the system. It combines a fast-charging state machine, regulation and control loop, an internal MOSFET, and other peripheral components into an IC in order to maximize performance and reduce the number of required external components.

Applications

The BQ24013DRCRG4 is designed to support the charging requirements of both mobile and high-power applications. It can support up to 6A (15W) of charging current, but is also suitable for applications where lower power charging is needed. It can be used in a variety of applications, including mobile phones, tablets, notebooks, wearable devices, and other portable electronics applications.

Features

The BQ24013DRCRG4 provides several features that make it suitable for use in battery charging applications. It is designed to support up to 6A of charging current, and has an adjustable temperature range from 0°C to 45°C. It also contains a high-accuracy and low drift voltage regulation loop which regulates the battery charging voltage and current. Additionally, the BQ24013DRCRG4 can be used in a variety of configurations, including synchronous buck, single-cell and multi-cell charging, as well as trickle and fast charging.

Working Principle

The BQ24013DRCRG4 is designed to control the current to the battery in accordance with the Battery Charger Interface (BCI) specification from the adopted battery specification. The BCI defines the exact protocol used to control the current draw from the battery and the current delivered to the battery. Once the BQ24013DRCRG4 has been configured, it will then monitor and adjust the current delivered to the battery, in order to maintain safe and optimal charging conditions.

The BQ24013DRCRG4 is controlled by an on-chip microcontroller that constantly monitors the battery voltage and adjusts the charge current as needed. This allows the battery to be charged quickly while maintaining a consistent charging voltage, and in an optimal and safe manner. The chip also contains a current limit circuitry that can be used to limit the maximum current draw from the battery, ensuring the safety of the system.

Conclusion

The BQ24013DRCRG4 is a versatile battery charging solution for mobile and high-power applications. It combines an integrated fast-charging state machine and regulation and control loop, an internal MOSFET driver and other components into one integrated circuit. It is designed to support up to 6A of charging current and can be used in a range of configurations, including synchronous buck, single-cell and multi-cell charging, as well as trickle and fast charging. Finally, it is controlled by an on-chip microcontroller that constantly monitors the battery voltage and adjusts the charge current as needed, ensuring the safe and optimal charging of the battery.

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