The KTS1890 is a USB VBUS safety management load switch for 15W current-source output in systems with 28V EPR current sink input. This 5V/3A load switch completes Kinetic’s safety management kit of products, with an input operating range from 2.5V to 5.5V, but with the output withstanding up to 35VDC at the USB port. Current limit protection (CLP) is adjustable from 400mA to 4.0A. Low on-resistance minimizes heat and voltage droop. Soft-start (SS) limits inrush current, and reverse-current protection (RCP) acts as a 20mV “ideal diode” with fast recovery.
"The combination of our new KTS1890, together with our KTS1898 and KTU1128 parts, provides a chipset trio setting a new benchmark for protection at every 28V USB EPR port, ensuring the quality and operational integrity of your products," says Karl Volk, System Applications Director at Kinetic Technologies.
Additional integrated safety management for the KTS1890 device includes ultra-fast over-current protection (OCP), short-circuit protection (SCP) during and after soft-start, over-temperature protection (OTP), and integrated transient voltage suppression (TVS) for IEC industry standard ±30kV ESD and ±130V surge protection.
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