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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.
4-Channels of short to VBUS Over-Voltage Protection (CON_CC1, CON_CC2, CON_SBU1, CON_SBU2)
IEC61000-4-2 Contact Discharge Protection ► CON_CC1/CON_CC2 : ±8kV► D1/D2 : ±8kV► CON_SBU1/CON_SBU2 : ±6kV
High Absolute Maximum Ratings = 28V of CON_CC1, CON_CC2, CON_SBU1 and CON_SBU2
60ns Ultra-Fast OVP Response Time of CC/SBU
255mΩ Ultra-Low RON of CC Switch Typical
3.6Ω Low RON of SBU Switch Typical
40μA Low Quiescent Current in Standby
High Bandwidth of 1.1GHz for SBU Switch
Dead Battery Support
20-Pin 3x3mm WQFN Package
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