BQ25871YFFR

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The BQ25871YFFR is part of Texas Instrument\'s portfolio of battery charging devices, and as such falls into the category of PMIC - Battery Chargers. This field of integrated circuits provide the consumer electronics market with highly optimized solutions for a complete system power cycle. This device is well-suited for applications including wearables, medical, and mobile communication devices.

The BQ25871YFFR specifically is designed to provide an integrated high-efficiency solution for USB Type-C or USB PD-based charging. This is flexible with up to 25W of peak power. Additionally, the device works with either a standard USB Type-A or USB PD wall adapter, a USB Type-C power source, or a 5V source. This feature allows for a truly universal solution for charging user devices even when there is no available power source.

An interesting aspect of the BQ25871YFFR is its wide input voltage range. This expands from 3V to 25V, enabling the device to work with a variety of power sources. As part of the charging process, the device monitors the battery voltage and current to ensure that the battery is charged efficiently and safely. It is also able to detect when a battery is full or the power source is removed and respond accordingly.

The device also provides thermal detection, low battery disconnection and over-current protection. This extra layer of safety helps protects both the device and the battery. The device also uses up to 97% efficiency at 3.5A with standard input voltage or up to 98% efficiency in OTG mode.

When it comes to the working principle of the BQ25871YFFR, the integrated circuit integrates a number of components to provide the whole battery charging solution. It uses an NCP45710 Switcher to convert the input power into a steady 5V signal. This signal is then manipulated by a programmable logic element, called TurboTAP, to set the charging parameters and meet the various requirements of the device. The signal is then passed through the TPS25986 integrated circuit, which controls the output current to the battery.

The BQ25871YFFR’s output is connected to the battery through a TPS25984 and TPS25985 switch combination. This allows for higher output current and better efficiency and thermal management. The combination of these features provides a flexible, highly efficient, and safe charging solution for devices needing a big power input.

In conclusion, the BQ25871YFFR is a very useful integrated circuit device that provides an all-round solution to battery charging. It is highly efficient and provides safety and flexibility. By including a number of components it can provide a complete power cycle for a variety of applications. It is part of the larger field of PMIC- Battery Chargers and as such offers efficient solutions to the consumer electronics market.

The specific data is subject to PDF, and the above content is for reference