BQ24160YFFR

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PMIC (Power Management IC) plays an important role in various industries. Battery chargers, as an important part of PMIC, is widely used in many applications. The BQ24160YFFR battery charger IC is a cost-effective solution for low-power portable applications. It has been designed for use with a single-cell Li-ion and Li-polymer battery. This IC can enable simultaneous charging from the USB port and an external adapter with a current up to 3A. This feature is particularly useful for applications with multiple power sources.

The BQ24160YFFR IC integrates lighting surge current protection circuit (SLPC) to protect the device from overcurrent or short-circuit conditions. It also integrates a charge status monitoring circuit that can provide real-time status information such as input power, input current, output current, and output voltage. This makes it easy to monitor the charging process and ensure a safe, efficient operation.

The BQ24160YFFR IC includes an integrated charge pump for high efficiency operation. It supports USB BC1.2, DPRP, DCP, and D+/D- detection for automatic input current selection. Its output voltage is adjustable from 4.2V to 4.35V, with up to 0.05V adjustment resolution. Moreover, it also features low quiescent current in discontinuous conduction mode (DCC) and adjustable soft-start (SS) to prevent overcharging.

Applications of BQ24160YFFR Battery Charger:

• Cell Phones
• Tablets
• Wearable Devices
• Bluetooth Headsets
• GPS Devices
• Portable Media Players
• Wireless Off-Line Display Devices

The working principle of the BQ24160YFFR battery charger IC is based on the buck-boost topology. It provides an efficient way to charge a single-cell Li-ion/Li-polymer battery with input voltage commonality. The IC will detect the input voltage, determine the current selection, and manage the charging process according to USB specifications. The SLPC and charge monitoring circuits provide battery protection, while the charge pump gives the highest possible power efficiency.

In conclusion, the BQ24160YFFR battery charger IC is a highly integrated solution for portable applications. It supports multiple input sources, features adjustable output voltage and current, and integrates SLPC and charge monitoring circuits for battery protection. Its high efficiency and ability to support a wide range of applications make it ideal for low-power, portable devices.

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