The Semtech TSWITX-12V-EVM wireless charging transmitter evaluation board is a platform for the test and experimentation of a wireless charging transmitter based on the Semtech TS80002 wireless power transmitter controller and TS51231 transmitter controller. The TS51231 a transmitter driver and output stage for wireless charging applications. It supports systems up to 5W output. The input supply voltage rating is 12V. The TS51231 Tx EVM is a transmission evaluation board for wearable applications and all the important function components occupy a 10mmX13mm of the PCB area.