In-rush current controller for a semiconductor switch
An in-rush current controller to turn-on a semiconductor output switch is described. The output switch is arranged in series with an output capacitor. The switch comprises a switch control port for controlling an output current and an output voltage. The controller comprises an amplifier to source o...
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| Format | Patent |
|---|---|
| Language | English |
| Published |
03.04.2018
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| Online Access | Get full text |
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| Abstract | An in-rush current controller to turn-on a semiconductor output switch is described. The output switch is arranged in series with an output capacitor. The switch comprises a switch control port for controlling an output current and an output voltage. The controller comprises an amplifier to source or sink a switch control current to or from the switch control port, wherein the switch control current is dependent on an amplifier control current at an amplifier control port. The controller comprises a reference current source to provide a reference current at the amplifier control port, subject to a control signal indicating that the output switch is to be turned on. Furthermore, the controller comprises a feedback capacitor to provide a feedback current at the amplifier control port in dependence of a variation of the output voltage. |
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| AbstractList | An in-rush current controller to turn-on a semiconductor output switch is described. The output switch is arranged in series with an output capacitor. The switch comprises a switch control port for controlling an output current and an output voltage. The controller comprises an amplifier to source or sink a switch control current to or from the switch control port, wherein the switch control current is dependent on an amplifier control current at an amplifier control port. The controller comprises a reference current source to provide a reference current at the amplifier control port, subject to a control signal indicating that the output switch is to be turned on. Furthermore, the controller comprises a feedback capacitor to provide a feedback current at the amplifier control port in dependence of a variation of the output voltage. |
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| References | Tumminaro (2011/0175650) 20110700 (2426820) 20120300 Shi (8154263) 20120400 Kimura (2003/0174009) 20030900 (0854574) 19980700 Sauer (4989003) 19910100 Busking (2010/0066453) 20100300 Erckert (6100742) 20000800 De Langen (2006/0012411) 20060100 |
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| Snippet | An in-rush current controller to turn-on a semiconductor output switch is described. The output switch is arranged in series with an output capacitor. The... |
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| Title | In-rush current controller for a semiconductor switch |
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