ROHM Semiconductor offers its BD570 Qi wireless power transmitter and receiver integrated circuits for wireless charging applications. Both devices are compliant with the Qi version 1.2 standard. BD57020MWV is an integrated IC for the wireless power transmitter. This device is composed of inverters for the coil drive, GPIO, TCXO buffer, and I2C interface. The BD57015GWL is a stand-alone wireless power receiver IC. The device integrates a fully synchronous rectifier circuit with low-impedance FETs, and an open-drain output terminal for modulation. BD57015GWL is targeted at mobile applications implementing wireless charging compliant to Qi medium power standard and the PMA standard.
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