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DESCRIPTION The ETA9184 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. 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. There are 4 LEDs driven by 3 output pins to indicate the charge/discharge status and battery level. The ETA9184 is ideal for applications such as a TWS charging cradle that requires low standby power and small PCB space. The ETA9184 is housed in a ESSOP10/DFN3x3-10 package FEATURES Ultra low boost standby Iq , Ibat<10uA 20V Charge input standoff voltage 4.2V/4.35V charge termination voltage Charge current programmable Boost output disconnect and SCP 5V/1.0A output power Up to 96% Efficiency for boost Fuel Gauge and LED indicators NTC thermistor input Logic Control Shutdown Thermal shutdown ESSOP10/ DFN3x3-10 Package APPLICATIONS TWS BT earbuds charge case Bluetooth application Battery powered IOT module Power Bank
