ESD protection circuit with active triggering

Details ESD protection circuit with active triggering ESD protection circuit with active triggering

2007-07-17

2010-02-02

Leja, Ronald W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

Reexamination Certificate

active

07656627

ABSTRACT:
An ESD protection circuit is provided. The circuit includes a discharging component, a diode, and an ESD detection circuit. The discharging component is coupled between an input/output pad and a first power line of an IC. The diode is coupled between the input/output pad and a second power line of the IC in a forward direction toward the second power line. The ESD detection circuit includes a capacitor, a resistor, and a triggering component. The capacitor and the resistor are formed in series and coupled between the first power line and the second power line. The triggering component has a positive power end coupled to the input/output pad and a negative power end coupled to the first power line. An input of the triggering component is coupled to a node between the capacitor and the resistor.

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