A method for operating a wireless transmission system includes (i) receiving, as input, direct current (DC) power from a power and data connector that comprises a power input and a bi-directional data connector, (ii) generating a driving signal for driving...

Various embodiments of the present document relate to an electronic device for charging a plurality of batteries. The electronic device may comprise: a first battery; a second battery parallelly connected to the first battery, wherein the first battery and...

A variety of applications can include wireless power and voltage regulation for wireless power transfer systems. A receiver can receive power wirelessly from a transmitter to provide an output voltage. The receiver can regulate the output voltage with resp...

A wireless power system has first and second electronic devices. The first electronic device may receive power from an alternating-current-to-direct-current power converter. A magnetic sensor and/or other sensing circuitry may detect when a second electron...

This disclosure provides systems, methods and apparatuses for a managing timing of communication slots in a wireless power system. The communication slots are centered on zero-cross instances. The Power Transmitter and/or Power Receiver can use a phase loc...

A method of wireless power transmission is performed at a wireless-power-transmitting device having one or more antennas configured to transmit wireless-power signals, one or more processors, and a wireless data transceiver. The method comprises detecting ...

A wireless power transmission device includes a transmission device and a control device. The control device generates a driving signal to the transmission device in a first soft-start period, so as to drive the transmission device. The control device meas...

A method for pairing two devices (20, 30; 40, 50; 80, 90) and a pairing system (1) are provided. Each of the devices (20, 30; 40, 50; 80, 90) may be configured to receive power from a power supply device (10) and comprise a memory (23, 33; 43, 53; 83, 93)....

A method and system to control power transmission between two Near Field Communication (NFC) devices with and without data transfer using NFC technology are provided. The method includes transferring at least a portion of power between two NFC devices usin...