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RT1738A 是 USB-C 型接口过压保护 IC，可将 CC/SBU 端子从与相邻 VBUS 端子的短路事件中可能接触的 3.3V~21V PD 传输电压可能带来的危害里保护下来，其保护能力最高可达 28V。</br>RT1738A 还根据 IEC61000-4-2 对静电接触放电防护的要求对 CON_CC1/CON_CC2 提供 ±8KV、对 CON_SBU1/CON_SBU2 提供 ±6KV 的静电放电防护能力。CON_CC1/CON_CC2 对电压冲击的防护能力达 ±35V，其过压保护的响应速度达 60ns，可确保系统芯片在应用中的安全。</br>RT1738A 的封装形式为 WQFN 3x3。
/content/dam/richtek-eds/resources/product-specifications/rt17/rt1738a/images/circuit/74698gmppg.jpg
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<li class="mv5">对 CON_CC1/CON_CC2/CON_SBU1/CON_SBU2 提供过压保护</li><li class="mv5">符合 IEC61000-4-2 要求的静电释放防护能力<BR>►CON_CC1/2：±8kV<BR>►CON_SBU1/2：±6kV</li><li class="mv5">CON_CC1/2 和 CON_SBU1/2 电压耐受能力为 28V</li><li class="mv5">CC/SBU 过压保护响应时间为 60ns</li><li class="mv5">CC 信号开关导通阻抗：255mΩ</li><li class="mv5">SBU 信号开关导通阻抗：3.6Ω</li><li class="mv5">待机电流消耗：40μA</li><li class="mv5">SBU 开关带宽：1.1GHz</li><li class="mv5">支持电池失效状态</li><li class="mv5">20 引脚 WQFN 3x3 封装</li>
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<li class="mv5">计算机</li><li class="mv5">智能手机和平板电脑</li><li class="mv5">电视机和显示器</li><li class="mv5">USB-C 型接口设备</li>
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