Overvoltage protection apparatus and method
An overvoltage protection apparatus and method. The overvoltage protection apparatus includes: a determining unit, having an input end connected to an input end of the apparatus and an output end connected to an input end of a soft-start unit, and configured to determine whether an input voltage at...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | An overvoltage protection apparatus and method. The overvoltage protection apparatus includes: a determining unit, having an input end connected to an input end of the apparatus and an output end connected to an input end of a soft-start unit, and configured to determine whether an input voltage at the input end of the apparatus exceeds a preset protection voltage; and the soft-start unit, having an input end connected to the input end of the apparatus and an output end connected to an output end of the apparatus, where if the determining unit determines that the input voltage does not exceed the preset protection voltage and remains stable in a preset delay time, the soft-start unit delivers the input voltage to the output end of the apparatus; and otherwise, the soft-start unit does not deliver a voltage signal to the output end of the apparatus. |
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