Compatible with the Latest Qi Standard ( ) for Medium Power Transmission (<15W) Wireless Power Transmitter / Receiver Control ICs BD57020MWV (Tx) / / BD57015GWL (Rx) Features System Configuration Compatible with WPC's Qi standard for medium power specifications Power AC/DC BD57015GWL receiver control IC is both WPC and PMA compliant Combine with a general-purpose microcontroller to configure a Qi-compliant transmitter (BD57020MWV[Tx]) Half/Full Bridge MCU Predriver Demodulation Rectification Communication Communication Controller Variable LDO output voltage: 5V to 10V (BD57015GWL[Rx]) Voltage & Current Sense Smartphones Tablets Modulation Qi / PMA P k Packet Generator BD57020MWV Portable electronics Smartphones (Back cover type) Low Li-ion Battery A/D Converter Voltage & Current Sense BD57015GWL Receiver(Rx) Interoperable with the Qi standard for low power transmission (< 5W) Low Power Tx Charger Demodulation Transmitter (Tx) Applications LDO Detects device misalignment Low Power Rx (5W) Tx Tx Correct position Incorrect position (alert) Rx Max.5W Medium Power Tx Medium Medium Power Rx (5 - 15W) Rx