High-Side Power Switches for USB Ports and other hot-swap applications

22nd October 2018
Posted By : Jacqueline Regnier
High-Side Power Switches for USB Ports and other hot-swap applications

Diodes AP22815 and AP22615 3A single-channel high-side power switches for USB ports and other hot-swap applications. These devices are designed to provide protection for any sensitive electronic equipment that is used in a hot-swap situation, such as USB peripherals or external storage devices.

The highly integrated high-side switches provide extensive port protection with auto-recovery, including over-voltage, over-current, short-circuit, and over-temperature. In addition they feature controlled rise-time and under-voltage lock-out, as well as a discharge function for external storage capacitors.

Based on an N-channel MOSFET and Diodes Incorporated’s patented copper-pillar packaging technology to achieve an exceptionally low on-resistance, the power switches feature a wide input voltage range of 3.0V to 5.0V and an adjustable limited load current of up to 4.0A (AP22615 only). With a low RDS(ON) of just 40mΩ and high ESD protection (2kV human body model, 200V machine model), the AP22815/615 are integrated load switches  that are well-suited for a range of applications, including notebooks, netbooks, tablets, set-top boxes, USB chargers, and other consumer electronics.

As well as having integrated load-current limiting, which is adjustable in the AP22615, the high-side power switches are fully compliant with the USB power delivery and fast-role swap specifications. This ensures that the internal power transistor will detect and react to the presence or absence of a power rail within 150µs, thereby supporting the hot-swapping of USB power sinks and sources without resulting in any disruption to the consumer experience.

Both devices feature an enable (which can be specified to be active-high or active-low) and a dedicated flag output that signals a fault condition. To accommodate devices with high load capacitance, a 7ms deglitch period is built in to the devices, to avoid false triggers.

Downloads


You must be logged in to comment

Write a comment

No comments




Sign up to view our publications

Sign up

Sign up to view our downloads

Sign up

IoT Tech Expo 2019
25th April 2019
United Kingdom Olympia, London
Ceramics Expo 2019
29th April 2019
United States of America International Exposition Center (I-X Center)
PCIM 2019
7th May 2019
Germany Nürnberg Messe
Electronics & Applications 2019
14th May 2019
Netherlands Jaarbeurs Utrecht Hall 7 Jaarbeursplein
Agile for Automotive 2019
15th May 2019
United States of America Detroit, MI