BD57011GWL

Datasheet Wireless Power Consortium / Qi Compliant series Wireless Power Receiver IC BD57011GWL General Description BD57011GWL is stand-alone integrated IC for wireless power receiver. The device is composed fully synchronous rectifier circuit in low-impedance FETs, Qi compliant packet controller, Adjustable low-dropout, and open-drain output terminal to communicate the power transmitter by amplitude modulation. BD57011GWL applies to 5W-power mobile application based on WPC ver. 1.1. Features ■ Low Impedance FET in rectifier ■ High efficiency fully synchronous rectifier ■ Maximum Input Voltage is 20V ■ WPC / Qi Lower Power ver1.1 support ■ Adjustable voltage at low-dropout ■ Open-Drain output terminal for modulation ■ TX-RX coil Position Gap alarm Applications WPC compliant Device ■ Smart Phones ■ Cell Phones ■ Hand-held Mobile Devices Typical Application Circuit Key Specifications ■ Variable Output Voltage: 4.3～5.3V(16steps) ■ Maximum Input Voltage: 20[V] (Max.) ■ Maximum Input/Output Current: 1.1 [A] (Max.) ■ AC Input Frequency: 100-210 [kHz] ■ Operating Temperature Range: -20°C to +85°C Package W(Typ) D(Typ) H(Max) UCSP50L3C 3.36 ㎜×2.62 ㎜×0.57 ㎜ (7 x 6 array, 0.4mm pitch) ADGATE ADDET BOOT1 COMM1 CLAMP1 AC1 RECT OUT OUTSET ILIM FOD2 FOD AC2 BOOT2 COMM2 CLAMP2 GND POSSET PG CTRL EN1 EN2 BD57011GWL System Load (Charger And Battery) Power AC/DC Half Bridge Driver BD57011GWL Rectification Voltage Control Feedback Controller Voltage & Current Sens...