【元件】 USB VBUS安全管理限流负载开关KTS1890，支持最新28V USB PD3.1扩展功率范围系统

时间： 2023-11-21 来源：Kinetic Technologies（芯凯电子）官网

技术问答

芯凯电子宣布推出全新KTS1890产品，扩大了芯凯电子USB-C安全管理产品线的产品组合。KTS1890与KTS1898 6ARMS VBUS ISINK负载开关和KTU1128 USB Type-C数据线（CC&SBU）保护芯片，是目前市场上最强大、最完整的USB PD3.1 EPR 28V保护芯片组合。

KTS1890可广泛于应用包括游戏和工作站笔记本电脑、台式电脑、扩展坞、显示器、会议系统、游戏主机，以及PD 3.1 EPR 28V输入的USB Type-C双角色（DRP）端口设计。

KTS1890是一款USB VBUS安全管理负载开关，适用于28V EPR输入，15W电流源输出系统。输入电压工作范围为2.5V至5.5V， USB端口可承受高达35VDC的电压。限流保护（CLP）可在400mA至4.0A之间调节。低导通电阻可最大限度地减少热量和电压下降。软启动（SS）功能有效限制浪涌电流。反向电流保护（RCP）作为一个20mV的“理想二极管”，提供快速恢复功能。

芯凯电子系统应用总监Karl Volk表示：“我们全新的KTS1890产品，与KTS1898和KTU1128芯片组合，为28V USB EPR端口保护定义了全新的标准，可确保客户产品的可靠性和操作完整性。”

KTS1890同时具有超快速过电流保护（OCP）、在软启动时和启动之后提供短路保护（SCP）、过温保护（OTP），并集成了符合IEC行业标准±30kV ESD和±130V浪涌保护的瞬态电压抑制（TVS）等安全管理功能。

KTS1890产品特点

● 2.5V至5.5V的输入工作电压范围

● OUT引脚支持最高35VDC额定电压

● 可调限流保护（CLP）

通过RISET电阻可调节400mA到4.0A

● 输入到输出27mΩ (典型值)导通电阻

● 软启动（SS）限制浪涌电流

● 反向电流保护（RCP）“理想二极管”

20mV正向电压和15μs快速恢复

● 5.8A, 150ns 过流保护(OCP)

● 软启动中和启动后短路保护（SCP）

● 过温保护（OTP）

● OUT引脚的瞬态电压抑制（TVS）能力

±130V 浪涌保护 (IEC61000-4-5)

±30kV ESD接触放电(IEC61000-4-2)

±30kV ESD空气放电 (IEC61000-4-2)

● EN启动逻辑输入

● 快速角色转换（FRS）的FON快速逻辑输入

仅限KTS1890A

● FLT故障 Open-Drain逻辑输出

● 打嗝模式故障自动重启

● -40°C to 85°C工作温度范围

● 20-bump WLCSP 2.49 x 1.99mm封装 (0.5mm pitch)

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本文由Vicky转载自Kinetic Technologies（芯凯电子）官网，原文标题为:芯凯电子推出USB VBUS安全管理限流负载开关，支持最新28V的USB PD3.1扩展功率范围（EPR）系统，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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