公开(公告)号：US10804713B2

公开(公告)日：2020-10-13

申请号：US15838680

申请日：2017-12-12

Applicant: ASUSTeK COMPUTER INC.

Inventor： Feng-Chi Shen ,  Tsung-Han Wu ,  Chien-Chung Lo ,  Yii-Lin Wu

IPC: H02J7/00 ,  H02J7/34

Abstract: A charge-discharge device and a control method of the charge-discharge device are provided. The control method of the charge-discharge device comprising: receiving an input voltage signal via a configuration channel of a USB port; sampling the input voltage signal in a predetermined period to generate a plurality of sampling values; selectively connecting the configuration channel to a pull-down circuit or a pull-up circuit according to the sampling values, receiving a first charging voltage via a power channel of the USB port when the configuration channel is connected to the pull-down circuit, and outputting a second charging voltage via the power channel when the configuration channel is connected to the pull-up circuit.

公开(公告)号：US10707691B2

公开(公告)日：2020-07-07

申请号：US15837057

申请日：2017-12-11

Applicant: ASUSTeK COMPUTER INC.

Inventor： Yi-Ming Huang ,  Feng-Chi Shen ,  Chien-Chung Lo ,  Shin-Hong Wu

IPC: H02J7/00 ,  H02M3/07 ,  H02M3/158 ,  H02M1/00

Abstract: An electronic device includes an energy storage unit, a charge pump circuit, a charging circuit, and a controller. The charge pump circuit is electrically connected to the power supply, and the power supply is configured to receive the input electrical energy. The charging circuit is electrically connected between the charge pump circuit and the energy storage unit. The controller is electrically connected with the power supply, the charge pump circuit, and the charging circuit respectively, and the controller controls the charge pump circuit and the charging circuit to switch among a plurality of charging modes according to compatibility information of the power supply.