Power management device, electronic device and control method

• Main Authors: XIAO QIHUA, MO ZHIJIAN
• Format: Patent
• Language: Chinese; English
• Published: 04.05.2016
• Subjects: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention provides a power management device, a control method for the power management device, and an electronic device employing the power management device. The power management device supplies power to a first load, and comprises a first port, a second port, a control logic circuit and a voltage conversion unit, wherein the first port is connected to a first power supply and used for receiving a first voltage output by the first power supply; the second port is connected to a second power supply and used for receiving a second voltage output by the second power supply; the control logic circuit is used for determining a first output voltage and a second output voltage, generating a control signal based on the first output voltage and the second output voltage, and controlling the operations of the voltage conversion unit through the control signal; the voltage conversion unit supplies the first output voltage and the second output voltage based on the first voltage and the second voltage and according