BQ24150YFFR

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BQ24150YFFR is a highly integrated battery charger offering a high power supply and charging solution for single cell Li-ion battery systems. It is a PMIC (Power Management IC) designed to charge batteries with a high input voltage, up to 21V, and charge currents up to 1.5A. It is ideal for applications such as mobile phones, digital cameras, and portable media players, where minimal form factor and high charging current are required. The core elements of the BQ24150YFFR are the switch mode battery charger, synchronous boost regulator, buck regulator, system control and communication interface. The main features of the BQ24150YFFR include temperature regulation and protection against over-discharge, over-current, and short-circuit faults.

Application field

BQ24150YFFR is an integrated battery charging IC that integrates various functions such as buck conversion, buck-boost conversion, DC-DC conversion, charging current control, over-temperature protection, and over-current protection. It is mainly used in portable electronic devices such as mobile phones, digital cameras and media players that have high input voltage, limited form factor and multiple charging current requirements. It is also suitable for drones, handheld medical products, portable medical devices, Bluetooth headsets, and electric bikes.

Working principle

BQ24150YFFR is a buck-boost converter integrated circuit. It combines the functions of a buck and a boost converter, both of which regulate the input current and supply energy to the load. The buck converter reduces the input voltage and provides a constant output voltage. The boost converter increases the input voltage and provides a higher output voltage. The BQ24150YFFR combines these two converters in a single IC, with a single input and multiple outputs. When the input voltage is too low, the buck converter boosts the output voltage, and when the input voltage is too high, the boost converter reduces the input voltage. The BQ24150YFFR also includes an over-temperature protection feature. If the temperature of the device rises above a certain threshold, the charger automatically shuts off to prevent damage to the device.

The BQ24150YFFR also includes a system control and communication interface that allows it to communicate with the host system, such as a computer or mobile device. This allows the device to monitor and control the battery charging process, and display the charging status on the host system\'s display. The communication interface also allows the device to control charging current levels, and detect external events, such as over-current, over-temperature, maximum charging voltage, and battery voltage.

The BQ24150YFFR is a versatile and powerful integrated battery charger. It is suitable for a wide variety of applications, from small consumer electronics to industrial and medical applications. Its integrated features such as temperature protection, current and voltage control, and system control and communication interface make it a great choice for any battery charging system.

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