BQ50002ARHBR

Sample & Buy Product Folder Support & Community Tools & Software Technical Documents bq50002A SLUSCP1A – AUGUST 2016 – REVISED AUGUST 2016 bq50002A Low-Cost 5-V Wireless Power Transmitter Analog Front End for WPC v1.2 A11 Transmitters 1 Features 3 Description • The bq50002A device is a highly integrated wireless power transmitter analog front end (AFE) that contains all of the analog components required to implement a Wireless Power Consortium (WPC) compliant 5-V transmitter. The bq50002A device integrates a full-bridge power driver with MOSFETs, variable-frequency oscillator, two-channel communication demodulator, linear regulator, and protection circuits. The bq50002A device must be used together with the digital controller bq500511A to realize a compact two chip wireless power transmitter solution. The bq500511A safely engages the RX device, receives packet communication from the powered device, and manages the power transfer according to WPC v1.2 specification. 1 • • • • • • • • • 5-V Transmitter AFE Compatible With Wireless Power Consortium (WPC) v1.2 A11 Low-Power Transmitter Specification Designed to be Used With bq500511A WPC Controller – Note: The bq50002A is Incompatible With the bq500511 Device if Foreign Object Detection is Required 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 (