Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Xming Zhu0
Fang He0
Date of Patent
September 3, 2024
0Patent Application Number
182965160
Date Filed
April 6, 2023
0Patent Citations
Patent Primary Examiner
Patent abstract
A negative charge pump (NCP) with high reliability is shown. A first capacitor is coupled between the power terminal and the ground terminal while in the first state and disconnected from the power terminal and the ground terminal while in the second state. A second capacitor is coupled between the ground terminal and the output terminal of the NCP, wherein while in the second state, the second capacitor is further coupled in parallel with the first capacitor. The first capacitor is coupled to the power terminal and the ground terminal while in the first state through a first switch and the second switch, respectively. When switching from the second state to the first state, the first switch is closed before the second switch.
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