TPS2001CDGKR 1.5A Current-Limited Power Switch 2.7-5.5V Input 80mΩ RON VSSOP-8 -40°C to +85°C

TPS2001CDGKR 1.5A Current-Limited Power Switch 2.7-5.5V Input 80mandOmega; RON VSSOP-8 -40anddeg;C to +85anddeg;C

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Features andnbsp;

andbull; Single Power Switch Family

andbull; Pin-for-Pin With Existing TI Switch Portfolio

andbull; Rated Currents of 0.5 A, 1 A, 1.5 A, 2 A

andbull; andplusmn;20%Accurate, Fixed, Constant Current Limit

andbull; Fast Overcurrent Response: 2 andmicro;s

andbull; Deglitched Fault Reporting

andbull; Selected Parts With (TPS20xxC) and Without (TPS20xxC-2) Output Discharge

andbull; Reverse Current Blocking

andbull; Built-In Soft Start

andbull; Ambient Temperature Range:andndash;40anddeg;C to 85anddeg;C

andbull; ULListed and CB-File No. E169910

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Applications

andbull; USBPorts and Hubs, Laptops, and Desktops

andbull; High-Definition Digital TVs

andbull; Set-Top Boxes

andbull; Short-Circuit Protection

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Description

The TPS20xxC and TPS20xxC-2 power-distribution switch family is intended for applications, such as USB, where heavy capacitive loads and short circuits are likely to be encountered. This family offers multiple devices with fixed current-limit thresholds for applications from 0.5 A to 2 A.

The TPS20xxC and TPS20xxC-2 family limits the output current to a safe level by operating in a constant-current mode when the output load exceeds the current limit threshold. This provides a predictable fault current under all conditions. The fast overload response time eases the burden on the main 5-V supply to provide regulated power when the output is shorted. The power-switch rise and fall times are controlled to minimize current surges during turnon and turnoff.

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INFORMATION

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Drawing

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