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The STWLC38 is an integrated Wireless Power Receiver suitable for wearable/hearable and smart phone applications and can supply up to 15 W of output power. The chip has been designed to support Qi 1.3 specifications for inductive communication protocol, 5W Baseline Power Profile and 15W Extended Power Profile.STWLC38 shows excellent efficiency performance thanks to the integrated low-loss synchronous rectifier and the low drop-out linear regulator: both elements are dynamically managed by the digital core to minimize the overall power dissipation over a wide range of output load conditions.Through the I2C interface the user can access and modify different configuration parameters, tailoring the operation of the device to the needs of custom applications. The configuration parameters can be saved in the embedded Resistive RAM (RRAM) and automatically retrieved at power-up.STWLC38 is also capable of operating in Tx mode to transmit power to charge other devices. The device can provide power up to 5W Output power in this mode. The STWLC38 is housed in a Chip-Scale Package to fit real-estate sensitive solutions in wearable devices.