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Product Spec Banner
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The RT3181A is a highly integrated and scalable solution for wireless power transmitter applications. The RT3181A is designed to support the major wireless power standards - WPC (Qi). The RT3181A can be configured to various type of transmitter in WPC definition. The RT3181A supports fully integrated design for WPC LP A11 transmitter which could be powered from a 5V output of USB or AC adaptor in low power applications. The RT3181A is able to support WPC MP-A5 transmitter design with external power stage for medium power applications. </p>The RT3181A 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.</p>
RT3181A Typical Circuit
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<div class="spec-list"><ul class="lv1"><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 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>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>48-Lead WQFN Package </li></ul></div>
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RT3181A Ordering Information
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RT3181A
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RT3181A
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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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