Texas Instruments Integrated Circuits (ICs) - Power Management (PMIC) - Battery Chargers BQ25980YFFR

The BQ25980YFFR is a highly efficient battery charger designed for 2-cell lithium-ion/polymer batteries, featuring a peak efficiency of 98.6% and a maximum charging current of 4.75A. It utilizes a dual-phase switched capacitor architecture that minimizes power loss and reduces the current required from the input, making it suitable for applications requiring fast charging with low thermal impact. The device supports a wide input voltage range, operational up to 22V and can handle up to 40V with an external ACFET. This charger includes integrated protection features such as input and output over-voltage and over-current protection, as well as temperature monitoring for both the battery and the charging path. It also features a programmable 16-bit ADC for monitoring various parameters, enhancing system optimization. The BQ25980YFFR is suitable for a variety of applications, including smartphones, tablets, and notebooks, and is packaged in a compact 80-UFBGA format, making it ideal for space-constrained designs.