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RT1738C 是針對 USB-C 型介面應用的過壓保護 IC,可為臨近VBUS 的 CC、SBU 引腳提供高達 28V 的保護能力,它們因 USB PD 協議容許傳輸 3.3V~21V 電壓而面臨風險。</br>RT1738C 也集成了符合 IEC61000-4-2 所定規格的 ESD 保護能力,使 CON_CC1/CON_CC2 和 CON_SBU1/CON_SBU2 可分別承受 ±8kV 和 ±6kV 的接觸靜電釋放。此外,其極快的過壓保護回應速度亦可為系統側的各種電路帶來不受高壓損害的保護。
RT1738C 電路圖
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<div class="spec-list"><ul class="lv1"><li>為 CON_CC1、CON_CC2、CON_SBU1 和 CON_SBU2 共 4 個通道提供過壓保護 </li><li>符合 IEC61000-4-2 規格的接觸靜電釋放保護 <ul class="lv2"> <li></li><li>CON_CC1/CON_CC2:±8kV </li><li>CON_SBU1/CON_SBU2:±6kV </li></ul> </li><li>CON_CC1、CON_CC2、CON_SBU1 和 CON_SBU2 各端子可承受電壓高達 28V </li><li>SBU 端過壓保護回應時間為 60ns </li><li>CC 端過壓保護回應時間為 80ns </li><li>CC 線開關導通電阻典型值為 255mΩ </li><li>SBU 線開關導通電阻典型值為 3.6Ω </li><li>待機靜態電流消耗為 40μA </li><li>SBU 線開關信號頻寬為 1GHz </li><li>支援電池失效狀態 </li><li>WL-CSP-16B 1.62x1.62 (BSC) 封裝 </li></ul></div>
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RT1738C 訂購資訊
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<div class="spec-list"><ul class="lv1"><li>個人電腦、筆記型電腦 </li><li>智慧手機和平板電腦 </li><li>電視機和顯示器 </li><li>使用 USB-C 型介面的 Dongle、Docking 和 集線器 </li></ul></div>
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