BQ50002RHBT

Sample & Buy Product Folder Support & Community Tools & Software Technical Documents 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 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 compliant 5-V transmitter. bq50002 integrates a fullbridge power driver with MOSFETs, variablefrequency oscillator, two-channel communication demodulator, linear regulator, and protection circuits. bq50002 must be used together with the digital controller bq500511 to realize a compact two chip wireless power transmitter solution. The bq500511 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 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 (