CAT6500自动电源选择开关简述

简述

本文引用地址： is an automatic power switch designed to select between two power sources and direct that power to a load for battery charging or system power.

CAT6500’s power inputs withstand voltages of up to 18V and protect the downstream load from voltages exceeding7V. In the event of a polarity reversal at either input CAT6500’s internal power switches will shut off to prevent discharge of the system’s internal power source.

Low resistance power switches handle currents in excess of 3 A and when OFF block current flow in both directions. CAT6500 can operate in reverse mode in which internal system power is be directed to either of the power input ports for powering an external device, such as a USB On−The−Go appliance.

特性

Autonomous Switching between 2 Power SourcesWithstands +18 V to −5 V on Either Power Input80 m_ Switches (typ.) for Low Power LossReverse−Mode for Powering External DevicesOver Voltage Protection of Downstream LoadCompatible with USB−OTG Devices2−Lead WQFN 4.4 mm x 4.4 mm PackageThis Device is Pb−Free, Halogen Free/BFR Free and is RoHS Compliant

典型应用

Mobile PhonesPDAsPersonal Navigation Devices

Figure 1. Typical Application Circuit

CAT6500技术方案、应用案例、电路图集锦

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