A power supply circuit of a terminal device is provided. The power supply circuit includes a voltage boost circuit, a battery chip, and a controller. The battery chip is configured to provide an output voltage of a battery for a load. An input end of the v...

An apparatus for supplying power in a mobile terminal is provided.The apparatus includes a battery, a power management integration circuit including a buck-boost converter for converting a battery voltage to output a specific voltage, and a plurality of re...

The present invention aims to provide a control system which is capable of building high-precision current detecting means in a single-chip LSI and can be realized at a lower cost, and a semiconductor device used in the control system. Drive circuits 20-1 ...