【IC】芯凯电子业界首款USB Type-C兼容PD3.1 EPR扩展功率范围的完整端口保护解决方案

时间： 2023-11-23 来源：Kinetic Technologies官网

技术问答

可以和兼容Thunderbolt ™的CC/SBU超低电阻保护负载开关搭配使用，工作电压达28V VBUS，同时具备浪涌、ESD和过压保护功能

作为电源管理和视频/音频接口解决方案的领导者，芯凯电子宣布发布两款全新里程碑式产品，可将USB Type-C端口的功率传输能力提高到140W，为通过USB大功率充电的电子产品扫清障碍。KTS1898适用于VBUS电源的开关和保护，KTU1128适用于开关和保护CC1/2和SBU1/2线路。

KTS1898是一款低电阻5A负载开关，具有软启动、过压保护、“理想二极管”反向电流、短路、过流、过温和ESD保护，并以集成了±100V的浪涌保护功能，可隔离和保护下游组件免受异常VBUS电压和电流故障的影响。快速反向电流保护（理想二极管）允许多个电源路径连接到VBUS OUT而不受干扰。

与之配套KTU1128是兼容雷电(Thunderbolt)的USB Type-C数据线保护和开关IC，为CC和SBU线路提供低电阻、超快速过压保护和浪涌保护。KTU1128保持与现有产品的引脚pin-to-pin兼容性，将CC和SBU线路的耐压提高到32V，以实现信号线对VBUS短路保护，并降低故障时的静态电流。

“作为业界领先的产品，KTS1898和KTU1128使得研发工程师在有效地解决安全问题的同时可以实现高达140W的USB Type-C PD3.1扩展功率范围（EPR）”芯凯电子市场总监Erik Ogren表示。“KTS1898能够在VBUS上承受高达+35V的极限电压，为我们的客户提供了安全可靠的28V系统所需电压，同时其集成的超低25mΩ MOSFET电阻可将热量保持在最低限度，这对保证产品长期保持高功率工作起到至关重要的作用。KTU1128具备的强大的保护功能，使得芯凯电子在该应用领域中占有行业领先地位。”

产品优势:

KTS1898 – 28V VBUS保护负载开关

● 工作电压3V to 32V

-IN和OUT 35V

● 5A持续额定电流

-10A峰值电流

● 支持140W USB PD 3.1(EPR)

● 反向电流保护，15µs快速恢复的“理想二极管“

● 对过压、短路、过流、过温和反向电流提供全面保护

● 高达±100V IEC61000-4-5浪涌保护

● ±15kV空气，±8kV接触IEC61000-4-2静电保护

KTU1128 – 28V CC/SBU保护负载开关

● 工作电压2.5Vto5.5V

-CC1/2,SBU1/2引脚极限耐压高达32V

● 兼容雷电(ThunderboltTM)

● 快速70ns过压响应时间

● IEC61000-4-5浪涌保护CC：±40V，SBU：±30V

● ±15kV空气，±8kV接触IEC61000-4-2静电保护

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本文由Vicky转载自Kinetic Technologies官网，原文标题为:芯凯电子宣布推出业界首款USB Type-C兼容PD3.1 EPR扩展功率范围的完整端口保护解决方案，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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