The BQ24745 is a high-efficiency, synchronous battery charger IC designed for compact, multi-chemistry battery applications like laptops. It supports 7V–24V adapter input, charges 2–4 series Li-ion cells, and includes features like Dynamic Power Management (DPM), internal soft-start, and SMBus control for easy programming. With accurate charge voltage (1.024V–19.2V) and current regulation (128mA–8.064A), it offers reliable and flexible charging performance. Ideal for space-constrained designs, the BQ24745 comes in a compact 28-pin QFN package.
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BQ24745 Battery Charger IC
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Description
Specification
The BQ24745 is a TI charger controller IC designed for laptop motherboards, supporting 2–4 cell Li-ion batteries with SMBus communication and high efficiency.
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