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5V升压转换器-20V线性充电器ETA9185E10
删除信息打印此文 发布时间:2021/11/28 9:00:02
信息类型:供应

封装:ESSOP-10


描述
ETA9185 is an all-in-one solution for TWS charge cradle. It includes a 20V single cell Li+ battery linear charger, a 5V Boost synchronous converter with true-shutoff function and a Fuel Gauge with LED indication. The linear charger is fully integrated with constant current (CC) / constant voltage (CV) control module and a charge FET. It has a pre-charge function for trickle charging a deeply discharged battery and its fast charge current can be programmed by an external resistor. In CV charge stage, charging will be terminated when the charge current drops to 1/10 of the programmed value. The integrated low power 5V Boost converter is capable of delivering 1.0A current at 5V output. It can be shut down by pulling the ENBST pin low. The true shut down feature disconnect output from the BAT thereby further decreasing the system standby power. Its 1.0MHz switching frequency allows a very small external inductor with inductance as low as 2.2uH. A fuel gauge also drives 4 LEDs for battery level indication. ETA9185 is ideal for applications such as a TWS charging cradle that requires low standby power and small PCB space.

ETA9185 is housed in a ESSOP10/DFN3x3-10 package 


应用程序
TWS BT earbuds charge case
Bluetooth application
Battery powered IOT module
Power Bank





5V升压转换器-20V线性充电器ETA9185E10
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