Hot-swap power switches suit devices with Type-C USB
Designed for manufacturers of laptop computers, tablets and Chromebooks deploying the Type-C USB port, the AP21410/AP21510 single-channel current limited power switches have been introduced by Diodes Incorporated. This family of power switches incorporates 0.4A current limiting, while operating from a 2.7 to 5.5V supply with a maximum continuous load current rating of 0.2A.
Other protection features, such as 0.4ms controlled rise and fall times, support hot-swap connections between computing, communication and consumer electronics equipment and peripherals. In addition, under-voltage lockout and reverse-current blocking protect the input power supply while thermal protection prevents damage to the IC under heavy-overload or short-circuit fault conditions.
In full compliance with USB 2.0 and available with both polarities of enable input, the AP21410 (active-low) and AP21510 (active-high) switches also benefit from a 95mΩ on resistance and a very low 1μA shutdown current that contribute to reduced power consumption and extended battery life. Both versions of this power switch are supplied in a compact 6-pin U-DFN2018 package.
The AP21410/AP21510 are priced at $0.08 each in 3,000 unit reel quantities.
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