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Product Spec Banner
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The RT1738 is an USB Type-C interface over-voltage protection IC. The RT1738 protects the high voltage shorted to VBUS to adjacent pins of CC/SBU up to 28V due to USB Power Delivery (PD) allowing VBUS from 3.3 to 21V sourcing. The RT1738 is integrated the protection ESDs of IEC61000-4-2 with contact discharge ±8kV on CON_CC1/CON_CC2, D1/D2 and ±6kV on CON_SBU1/CON_SBU2. The surge immunity level of CON_CC1 /CON_CC2 is up to ±35V. Besides, the ultra-fast OVP response time of 60ns can protect the system side of application IC from damage. The RT1738 is available in a 3x3mm WQFN package.
RT1738 Typical Circuit
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<div class="spec-list"><ul class="lv1"><li>4-Channels of short to VBUS Over-Voltage Protection (CON_CC1, CON_CC2, CON_SBU1, CON_SBU2) </li><li>IEC61000-4-2 Contact Discharge Protection <ul class="lv2"> <li></li><li>CON_CC1/CON_CC2 : ±8kV </li><li>D1/D2 : ±8kV </li><li>CON_SBU1/CON_SBU2 : ±6kV </li></ul> </li><li>High Absolute Maximum Ratings = 28V of CON_CC1, CON_CC2, CON_SBU1 and CON_SBU2 </li><li>60ns Ultra-Fast OVP Response Time of CC/SBU </li><li>255mΩ Ultra-Low R<sub>ON</sub> of CC Switch Typical </li><li>3.6Ω Low R<sub>ON</sub> of SBU Switch Typical </li><li>40μA Low Quiescent Current in Standby </li><li>High Bandwidth of 1.1GHz for SBU Switch </li><li>Dead Battery Support </li><li>20-Pin 3x3mm WQFN Package </li></ul></div>
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RT1738 Ordering Information
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<div class="spec-list"><ul class="lv1"><li>PC/Notebook </li><li>Smart Phone/Tablet </li><li>TV/Monitor </li><li>USB-C Dongle/Docking/Hubs </li></ul></div>
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