Abstract: An energy-saving hub is connected to an electronic device, an AC power source and a mobile device. The energy-saving hug includes a power supply interface, a power module, an upstream connector, a downstream connector, a main control circuit, and a system circuit. The power supply interface is used to connect to the AC power source, the power module is connected to the power supply interface, the upstream connector and the downstream are connected to the power module, and the main control circuit is connected to the power module and the upstream connector. The system circuit is connected to the upstream connector, the downstream connector and the main control circuit, wherein the system circuit is maintained in a sleep mode. When the energy-saving hub connects to the electronic device or the mobile device, the main control circuit transmits a wake-up signal to the system circuit to wake up the system circuit.

Abstract: A control circuit is mounted in a hub which includes first connector, second connector, third connector and power module. The first connector includes first data transmission line and first power line. The second connector includes second data transmission line and second power line. The power module includes first switch member electrically connected between the first power line and the second power line. The control circuit is electrically connected between the first data transmission line and the power module. When the third connector is electrically connected with AC source the control circuit opens the first switch member so that the first power line and the second power line are not electrically connected, and when the third connector is not electrically connected with AC source the control circuit closes the first switch member so that and the first power line and the second power line are electrically connected.

Abstract: A modularized hub is adapted to be electrically connected to an upstream device, an AC power source and at least one downstream device that are located outside the modularized hub. The upstream device includes a connection port. The connection port supports a power supply mode and a charging mode. The modularized hub includes a main body base and a module structure. The main body base includes an AC connection terminal, a first power supply module, and a base connection terminal. The module structure includes a module connection terminal, a second power supply module, an upstream transmission line, a control circuit, and at least one downstream connection terminal.

Abstract: A hub is suitable for electrically connecting an electronic device, an AC power supply and at least one mobile device that are located outside the hub. The hub includes a power module, a USB connection terminal, a USB Type-C connection terminal, a power distribution control circuit, and a first PD controller. The power module is electrically connected to the AC power supply. The USB connection terminal is electrically connected to the power module and the mobile device. The USB Type-C connection terminal is electrically connected to the power module and the electronic device. Besides, the power distribution control circuit is electrically connected to the power module. The power distribution control circuit is used for measuring a measurement value of the power module. In addition, the first PD controller is connected between the USB Type-C connection terminal and the power distribution control circuit.

Abstract: The hub is electrically connected to a first electronic device and a display outside the hub. The hub comprises a circuit board, a MCU, a front type-C transmission line, a first USB type-C output terminal, a first input controller, a first output controller, a first output multiplexer and a USB hub processor. The front type-C transmission line comprises a power transmission line, a first data transmission line set and a second data transmission line set. The first USB type-C output terminal is electrically connected between the power transmission line and the first type-C transmission line. The first input controller is disposed on the circuit board and electrically connected to the MCU and the first electronic device. The first output controller is disposed on the circuit board and electrically connected between the MCU and the first USB type-C output terminal. A connecting status of the first type-C transmission line and the first USB type-C output terminal is detected by the first output controller.

Abstract: A hub electrically connected to an electronic equipment and at least a portable device located in external environment is provided. The hub includes a first connector, at least a second connector, and a first DC/DC converter. The first connector is electrically connected to the electronic equipment, the second connector is electrically connected to the portable device. Data transmission between the portable device and the electronic equipment mutually is via the signal transmission line, the first connector, and the second connector. An input terminal of the first DC/DC converter is electrically connected to the electronic equipment, and an output terminal of the first DC/DC converter is electrically connected to the portable device, the first DC/DC converter is applied to output stable voltage to the portable device.

Abstract: A hub electrically connected to an electronic equipment and at least a portable device located in external environment is provided. The hub includes a first connector, at least a second connector, a controller, and a first DC/DC converter. The first connector is electrically connected to the electronic equipment, the second connector is electrically connected to the portable device. The controller is electrically connected between the first connector and the second connector, and the controller has a data transmission between the portable devices and the electronic equipment mutually. In addition, a signal is transmitted to the portable devices suitably by the controller so that the portable device being with rapid charge mode.