P9036B 12V Wireless Power Transmitter IC for TX-A6
●The P9036B is a highly integrated WPC-compliant wireless power transmitter IC for power transmitter WPC design TX-A6. This device operates with a 12Vdc adaptor, and drives an external load directly via an internal half-bridge. It controls the transferred power by changing the switching frequency of the half-bridge inverter from 110 kHz to 205 kHz as specified by the WPC specification for an “A6” transmitter. It contains logic circuits required to demodulate and decode WPC-compliant message packets sent by the mobile device to adjust the transferred power.
●The P9036B is an intelligent device, which manages mobile device detection, and selection of one of the three coils of the A6 transmitter coil without user supervision. The A6 configuration allows free mobile device positioning over a wider area than configurations that use a single coil, detecting a mobile device for charging while minimizing idle power. Once the mobile device is detected and authenticated, the P9036B continuously monitors all communications from the mobile device, and adjusts the transmitted power accordingly by varying the switching frequency of the internal half-bridge inverter.
●The P9036B can optionally support a proprietary back-channel communication mode, which enables the device to communicate with IDT’s wireless power receiver solutions. This feature enables additional layers of capabilities beyond the standard WPC requirements.
●The P9036B includes over-temperature/current protection and WPC compliant Foreign Object Detection (FOD) to protect the base station from overloading in the presence of a metallic foreign object.
●Additionally, it manages fault conditions associated with power transfer and controls LED outputs to indicate operating status.
■Features
●5W WPC 1.2 Compliant Wireless Power Transmitter Single Chip Solution for TX-A6
●Excellent EMI performance eliminates need for EMI filters
●12V Operating Input Voltage
●Closed-Loop Power Transfer Control Between Base Station and Mobile Device
●Demodulates and Decodes WPC-Compliant Message Packets
●5V Regulated DC/DC Converter
●Integrated RESET Function
●Internal half-bridge power MOSFETs
●Proprietary Back-Channel Communication
●I²C Interface
●Push-Pull GPIO/LED Indicator Outputs
●Over-Temperature Protection
●Optional Buzzer Support
●Foreign Object Detection (FOD)
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Wireless Power Transmitter IC 、 highly integrated WPC-compliant wireless power transmitter IC 、 WPC 1.2 Compliant Wireless Power Transmitter Single Chip |
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Datasheet |
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Please see the document for details |
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TQFN;TQFN-48;NTG48;TQFN-48L |
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English Chinese Chinese and English Japanese |
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2023/1/28 |
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Revision 1.0.0 |
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1.8 MB |
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