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15 volt DC connector type found on many commercial airlines designed to provide power to travelers' electronic devices. The system is limited to 75 watts. [2] The use of a special connector is to prevent laptops charging at altitude and ensure that only approved adapters can be used. EmPower Plug
In the interest of improved interoperability of phone battery chargers, major manufacturers have agreed to standardize on the micro-USB connector for new phone chargers from 2010. [16] Many manufacturers make special-purpose DC power connectors for battery packs, instruments, medical equipment, communications equipment and other devices.
An AC adapter or AC/DC adapter (also called a wall charger, power adapter, power brick, or wall wart) [1] is a type of external power supply, often enclosed in a case similar to an AC plug. [2] AC adapters deliver electric power to devices that lack internal components to draw voltage and power from mains power themselves.
An external power supply, AC adapter or power brick, is a power supply located in the load's AC power cord that plugs into a wall outlet; a wall wart is an external supply integrated with the outlet plug itself. These are popular in consumer electronics because of their safety; the hazardous 120 or 240 volt main current is transformed down to a ...
The standard defines an AC adapter to power devices requiring from 10 W to 130 W (~20 V × 6.5 A) or (extended voltage option) up to 240 W (60 V × 4 A). [2] A new connector (that does not mate with any previously existing connector) is proposed for a lifetime of about ten years with multiple brands and models. [ 3 ]
Cisco Systems; Control4 - acquired by SnapAV; Dell Networking; DrayTek; D-Link; ECI Telecom; EnGenius; Enterasys - acquired by Extreme Networks; Extreme Networks; Fortinet; HPE - acquired ProCurve, 3Com, H3C, TippingPoint and Aruba Networks; Huawei; Juniper Networks; Linksys - acquired by Belkin; Mellanox - acquired by NVIDIA; Meraki - acquired ...
Apple offers various adapters that allow the Lightning connector to be used with other interfaces, such as 30-pin, USB, HDMI, VGA, and SD cards. The Lightning to 30-pin adapter supports only a limited subset of the available 30-pin signals: USB data, USB charging, and analog audio output (via the DAC inside of the adapter [27]).
In October 2021 Apple introduced a 140 W (28 V 5 A) GaN USB PD charger with new MacBooks, [74] and in June 2023 Framework introduced a 180 W (36 V 5 A) GaN USB PD charger with the Framework 16. [75] In October 2023, the USB PD promoter group launched revision 3.2 of the specification.
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