Inrush current suppression circuit
TW202634723APending Publication Date: 2026-08-16ANPEC ELECTRONICS CORPORATION
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Patent Information
- Application Number
- TW114103925
- Authority / Receiving Office
- TW · TW
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2025-02-04
- Publication Date
- 2026-08-16
Smart Images
Figure TWG2TA001071983_001 
Figure TWG2TA001071983_002 
Figure TWG2TA001071983_003
Abstract
An inrush current suppression circuit having a compensation mechanism is provided. The inrush current suppression circuit includes a switch component, a charging circuit, a switch control circuit and a compensation circuit. A first terminal of the switch component is coupled to an input terminal. A control terminal of the switch component is connected to a control node. The charging circuit outputs a charging current to the control node. The switch control circuit sets a value of a control current according to an output voltage of a second terminal of the switch component and a ramp voltage, and obtains the control current from the control node. The compensation circuit sets a value of a compensation current according to a control voltage of the control node and the output voltage, and obtains the compensation current from the ramp voltage or supplies the compensation current to the control node.
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