ROHM’s BD57021GWL is a 5 W BPP Transmitter IC certified for Qi 1.2.2. This means it has the required Foreign Object Detection (FOD) built-in. This device is a 2-chip solution that works together with an MCU. The input voltage range is 4.2 V - 5.3 V and supports the WPC coil type LP-A11. Along with the integrated standard protection features, the transmitter also has demodulation circuit built-in. The BD57021MWV is ideal for WPC Qi compliant devices such as wireless charging pads and PC.