ROHM features the BD57011GWL, an addition to its wireless charging ICs line. The BD57011GWL is integrated with a fully-synchronous rectifier circuit in low impedance FETs, Qi compliant packet controller, adjustable low dropout, as well as open drain output terminal to communicate the power transmitter by amplitude modulation. The device is designed to be compatible with 5W power mobile application based on WPC version 1.1. Moreover, the BD57011GWL provides an output voltage from 4.3 V to 5.3 V in 16 steps.
Features
- Low Impedance FET in rectifier
- High efficiency fully synchronous rectifier
- Maximum Input Voltage is 20 V
- WPC / Qi Lower Power ver1.1 support
- Adjustable voltage at low-dropout
- Open-Drain output terminal for modulation
- TX-RX coil Position Gap alarm
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