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The RT3181C is a highly integrated and scalable solution for wireless power transmitter applications. The RT3181C is designed to support the major wireless power standards - WPC (Qi). The RT3181C can be configured to various types of transmitter according to WPC specification.<br /><br />The RT3181C supports fully integrated design for WPC Base Power Profile A11 transmitter which could be powered from a 5V output of USB or AC adaptor in low power applications. The RT3181C is able to support WPC MP-A5/MP-A11 transmitter design with external power stage for medium power applications.<br /><br />The RT3181C can be paired with a Smart AC adapter from selected suppliers to provide reduced system cost and optimal efficiency over the range of power usage.
RT3181C Typical Circuit
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<div class="spec-list"><ul class="lv1"><li>Wireless Power Transmitter Compliant <ul class="lv2"> <li></li><li>WPC qi V1.3 </li></ul> </li><li>High Integration with Internal H-Bridge Power Stage and Current Sense Amplifier, Optimized for LP-A11 Solution </li><li>High Power with External Power Stage, Optimized for MP-A5/MP-A11 Solution </li><li>No Current Transformer Required </li><li>Low Quiescent Current Plus <ul class="lv2"> <li></li><li>Selectable Ping Cycle in Custom Applications </li><li>Low Current Sleep Mode Options including “Off” State with Wake Up I/O Pin </li></ul> </li><li>Programmable Thermal Protection </li><li>Support Foreign Object Detection </li><li>Support Fan Speed Control </li><li>Notifications <ul class="lv2"> <li></li><li>1 Buzzer </li><li>2 LEDs, Resistor Programmable </li></ul> </li><li>I<sup>2</sup>C Host Applications Interface (Option) </li><li>Internal Watchdog Timer </li><li>WQFN-48L 6x6mm Package </li></ul></div>
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RT3181C Ordering Information
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<div class="spec-list"><ul class="lv1"><li>Mobile Phones </li><li>Phablets, Tablets </li><li>Wearable Devices </li><li>Medical and Industrial </li></ul></div>
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