Pegatron Corporation

Chun-Wei Ko

Chih-Wei Huang

Yi-Hsuan Lee

Hsiao-Wei Sung

Yen Ting Wang

Ya Ju Cheng

Yu-Kai Shen

Chih Wei Huang

Ywh Woei Yeh

Liang-Cheng Kuo

Yu Cheng Lin

A power supply circuit and a power distribution method thereof are provided. The power supply circuit includes a power input switch block, a power supply measurement block, a power supply conversion block and a power supply control block. The power input switch block provides a first power supply voltage to a load circuit based on an external power supply voltage from an adapter. The power supply measurement block measures a current of the first power supply voltage. The power supply conversion block is coupled to the battery module to provide a second power supply voltage to the load circuit. When a battery temperature of the battery module is higher than a critical temperature and a battery power of the battery module is higher than or equal to a critical power, the power supply control block limits the second power supply voltage provided to the load circuit.

Power supply circuit and power distribution method thereof

The application discloses a power supply circuit and a power supply device. A drain of a first N-type metal-oxide-semiconductor field-effect transistor (MOSFET) receives a first input voltage. A filter is coupled to a source of the first N-type MOSFET and is configured to output an output voltage. A non-inverting input terminal of an operational amplifier is coupled to a ground terminal through a first capacitor. A control circuit is coupled to an inverting input terminal of the operational amplifier. One terminal of a switch is coupled to a gate of the first N-type MOSFET, and the other terminal is switchably coupled to the control circuit or an output terminal of the operational amplifier, so that the gate of the first N-type MOSFET is switched to be coupled to the control circuit or the output terminal of the operational amplifier.

Power supply device

Growing community of inventors

Taipei, Taiwan

Chun-Wei Ko