bq50002

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community bq50002 SLUSBW1A – OCTOBER 2015 – REVISED OCTOBER 2015 bq50002 Low-Cost 5-V Wireless Power Transmitter Analog Front End for WPC V 1.2 A11 Transmitters 1 Features 1 5-V Transmitter AFE Compatible with Wireless Power Consortium (WPC) V1.2 A11 Low Power Transmitter Specification Designed to be used with bq500511 WPC Controller Suitable for WPC and Proprietary 5-V Wireless Power Transmitters Supports 5 W on the receiver output Integrates all the Analog Functions Required in a Wireless Power Transmitter – MOSFET Drivers and Synchronous N-Channel Power FETs – Accurate Current Sense – Variable Frequency Oscillator – High-Efficiency Voltage Regulator – High-Sensitivity Demodulator to Decode Signals from Receiver 2-Chip Solution Enables High-Efficiency Transmitter Designs of >75% Efficiency Ultra-Low-Standby Power, Even During Digital Ping (<30 mW) Dynamic Power Limiting (DPL)™ Enables Operation from Input Sources with Limited Power System LED Indication of Charging State and Fault Status Accurate Foreign Object Detection Method (FOD) 2 Applications WPC Compliant Wireless Transmitters for Smart Phones and Wearable Applications Proprietary Wireless Chargers and Transmitters Medical and Wearable Applications 3 Description The bq50002 is a highly integrated wireless power transmitter analog front end that contains all of the analog components required to implement a WPC co...