发明授权
US09294081B2 System and method for breakdown protection for switching output driver 有权
开关输出驱动器的故障保护系统和方法

System and method for breakdown protection for switching output driver
摘要:
An integrated circuit device includes a driver circuit (100) having a pull-up network with a first pull-up transistor (108) coupled to a second pull-up transistor (110) at a first node (VP), and a pull-down network coupled to the pull-up network including a first pull-down transistor (112) coupled to a second pull-down transistor (114) at a second node (VN). A first bias switch (116) is coupled to the first node. A second bias switch (118) is coupled to the second node. A control circuit (104) is coupled to operate the first and second bias switches. The first bias switch is operated to reduce a voltage at the first node during a pull-down cycle of the driver circuit and the second bias switch is operated to reduce a voltage at the second node during a pull-up cycle of the driver circuit.
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