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2. USB hub - Wikipedia

   en.wikipedia.org/wiki/USB_hub

   A four-port "long cable" "external box" USB hub A four-port "compact design" USB hub: upstream and downstream ports shown. A USB hub is a device that expands a single Universal Serial Bus (USB) port into several so that there are more ports available to connect devices to a host system, similar to a power strip. All devices connected through a ...

3. USB hardware - Wikipedia

   en.wikipedia.org/wiki/USB_hardware

   To allow for voltage drops, the voltage at the host port, hub port, and device are specified to be at least 4.75 V, 4.4 V, and 4.35 V respectively by USB 2.0 for low-power devices, [a] but must be at least 4.75 V at all locations for high-power [b] devices (however, high-power devices are required to operate as a low-powered device so that they ...

4. Belkin - Wikipedia

   en.wikipedia.org/wiki/Belkin

   Belkin performed its cable manufacturing in the United States, which gave the company a fast turnaround for customers. In 1985, in addition to U.S. manufacturing, Belkin began contracting Asian factories to increase production for a global market. [3] In the 1990s, Belkin added surge protectors and USB storage devices to its product line. [6]

5. Thunderbolt (interface) - Wikipedia

   en.wikipedia.org/wiki/Thunderbolt_(interface)

   Thunderbolt 3, 4, or 5 ports USB-C Thunderbolt 3, 4, or 5 connector. Thunderbolt 3 is a hardware interface developed by Intel. [75] It shares USB-C connectors with USB, supports USB 3.1 Gen 2, [76] [77] [78] and can require special "active" cables for maximum performance for cable lengths over 0.5 meters (1.5 feet). Compared to Thunderbolt 2 ...

6. USB-C - Wikipedia

   en.wikipedia.org/wiki/USB-C

   However, exactly three types of adapter with USB-C plugs are defined: 1. A Standard-A receptacle (for connecting a legacy device (such as a flash drive—not a cable) to a modern host, and supporting up to USB 3.1). 2. A Micro-B receptacle (for connecting a modern device to a legacy host, and supporting up to USB 2.0). [20] 3.

7. Boost converter - Wikipedia

   en.wikipedia.org/wiki/Boost_converter

   A boost converter or step-up converter is a DC-to-DC converter that increases voltage, while decreasing current, from its input to its output . It is a class of switched-mode power supply (SMPS) containing at least two semiconductors, a diode and a transistor , and at least one energy storage element: a capacitor , inductor , or the two in ...