USB hub由self-powered 和bus-powered 两种模式.Bus-powered指Hub消耗的电能（hub本身和其下行端口对外提供的电能）全部来自上行端口的Vbus.Self-powered是指hub下行端口的对外供电全部来自本地外部供电而非上行端口的Vbus
Model name:USB 3.0 Bus-Powered Hub with RJ45;Model type:For computer/laptop with this USB3.0 lan hub;Connector-1:RJ45 female;Connector-2:USB 3.0 A type male;Connector-3:3-ports USB3.0 female;Mterial:Friendly environment ABS;Chip:Realtek;Rate:10/100/1000M
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self-powered hubTypically refers to a USB hub that plugs into an AC outlet for power. Contrast with "bus-powered hub," which obtains its power from the USB connection. See USB. Copyright © 1981-2023 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSON...
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In the case of the TUSB4041 this data is fixed reporting the device as a self-powered USB Hub with 0mA bMaxPower. Functionally you can configure the TUSB4041 as bus-powered, and it will have no issues; however it will not pass USB compliance tests since the descriptors ...
least one card-reading access unit, the USB input/output end of the card reader is detachably connected with the USB output port of the USB hub, and moreover, the USB hub is electrically connected with the card reader when the SUB output port is combined with the USB input/output end....
Mindpure 4 Port USB 2.0 Hub Bus Powered Portable Multi Port Splitter and Expander Hub Small Travel USB Hub, You can get more details about Mindpure 4 Port USB 2.0 Hub Bus Powered Portable Multi Port Splitter and Expander Hub Small Travel USB Hub from mob
Can't charge Apple devices If you plug it into the charger instead Upgrade version: 2 port upgrade to USB 3.0, speed up to 5 Gbp/s. Two downstream USB 2.0 Ports speed up to 480 MB/s, easy to use, Suitable for PC, laptop, Mac and any USB enabled computers Portable des...
An integrated LDO regulates the 5-V bus power down to 3.3 V for the USB controller. The two MOSFET switches provide power to the downstream ports. With independent enables, the downstream ports remain unpowered until the hub completes enumeration. Each power-distribution switch is capable of ...