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BUY BQ24725RGRR https://www.utsource.net/itm/p/4288158.html
2-4 Cell Li+ Battery SMBus Charge Controller with N-Channel Power MOSFET Selector and Advanced Circuit Protection
The BQ24725RGRR is a synchronous buck battery charger controller from Texas Instruments. It is a 20-pin QFN package. The BQ24725RGRR is a high-efficiency, single-cell Li-ion/Li-polymer battery charger controller with integrated power MOSFETs. It is designed to provide a constant-current/constant-voltage (CC/CV) charging profile for single-cell Li-ion/Li-polymer batteries. It features an integrated power MOSFET with a maximum current of 3A, and a wide input voltage range of 4.5V to 28V. The BQ24725RGRR also features an adjustable charge current, adjustable charge voltage, and adjustable charge termination current. The BQ24725RGRR is suitable for applications such as portable consumer electronics, medical devices, and automotive applications. (For reference only)