BQ24075QRGTRQ1

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Introduction

The BQ24075QRGTRQ1 is an Li-Ion battery charge controller IC for direct current (DC) wall adapter, USB and automotive applications. It has a wide operating input voltage range from 2.6 V to 14.5 V, and a peak current of up to 1A. It features independent control of charging current, charging voltage and cutoff voltage. The BQ24075QRGTRQ1 supports a wide range of Li-Ion batteries from 3.2 V to 4.2 V.

PMIC - Battery Chargers

PMICs, or power management integrated circuits, are integrated circuits that help manage the power supply in a range of devices. A PMIC designed to charge Li-Ion batteries is known as a Battery Chargers. Battery Chargers are used in a variety of applications, from consumer electronics such as phones and computers to medical and industrial devices.

BQ24075QRGTRQ1 Application Field and Working Principle

The BQ24075QRGTRQ1 is the ideal solution for consumer-grade Li-Ion battery applications. Its advanced features enable it to be used in a wide range of consumer applications such as PDAs, cell phones, hand-held gaming systems, digital cameras and a variety of other consumer electronic devices. The BQ24075QRGTRQ1 is well-suited for powering and/or charging Li-Ion batteries from a variety of power sources, such as wall adapters, USB power, and automotive. It is available in a tiny SOT-23-5 package.

The BQ24075QRGTRQ1 is a charge controller IC designed specifically for Li-Ion batteries. It is designed to be used in a wide range of charger designs and can handle both small and large charge currents. The BQ24075QRGTRQ1 provides several key features, including independent control of charging current, charging voltage and cutoff voltage for small to large Li-Ion batteries. It is also capable of operating across a wide voltage range from 2.6 V to 14.5 V, helping to ensure flexibility in design.

The BQ24075QRGTRQ1 operates as a hysteretic charge controller with controlled MOSFET, ensuring protection of the Li-Ion battery from both under-voltage and over-voltage. The charge controller provides two selectable charge currents and can be used in either a constant voltage (CV) or constant current (CC) mode. The charge controller also incorporates a low voltage detection circuit that can be used to indicate battery charging has finished.

The BQ24075QRGTRQ1 is also capable of trickle charging when the main charging source essentially drops out. This feature can be used to maintain the charge of the battery when it is no longer being supplied with its main power source. Finally, the BQ24075QRGTRQ1 includes a temperature sensing circuit that helps prevent charging when the battery is too hot or too cold. It is available in a tiny SOT-23-5 package, making it perfect for a wide range of portable devices.

Conclusion

The BQ24075QRGTRQ1 is a Li-Ion charge controller IC for direct current (DC) wall adapter, USB and automotive applications. It features independent control of charging current, charging voltage and cutoff voltage, as well as an adjustable low voltage detection circuit and temperature sensing. The BQ24075QRGTRQ1 is well-suited for powering and/or charging Li-Ion batteries from a variety of power sources, and is available in a tiny SOT-23-5 package. It is the ideal solution for consumer-grade Li-Ion battery applications.

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