| 主权项 |
1. A high-side driver, including a semiconductor device, for use with a battery and a DC motor, the high-side driver comprising:
a power supply terminal to be coupled to the battery; and an output terminal to be coupled to the DC motor, wherein the semiconductor device includes: an output MOS transistor having a drain coupled to the power supply terminal, a source coupled to the output terminal and a gate; a drive circuit coupled to the gate of the output MOS transistor and coupled to receive a control signal and for driving the gate of the output MOS transistor according to the control signal; a short-circuit MOS transistor having a source coupled to the output terminal, a gate coupled to receive the control signal and a drain; a first switching MOS transistor coupled between the drain of the short-circuit MOS transistor and the gate of the output MOS transistor; and a control circuit, wherein the short-circuit MOS transistor is formed on a semiconductor substrate coupled to the power supply terminal, wherein the first switching MOS transistor comprises: a first semiconductor region formed in the semiconductor substrate; a drain region formed in the first semiconductor region and coupled to the gate of the output MOS transistor; and a source region formed in the first semiconductor region and coupled to the drain of the short-circuit MOS transistor, wherein the first switching MOS transistor is turned on or off based on a voltage of the first semiconductor region, and wherein the control circuit controls the voltage of the first semiconductor region in response to the control signal. |
