Skyworks Solutions, Inc.

Hai-Bo Li

Wei Jia Yu

Voltage converter having overcurrent protection. In some embodiments, a voltage converter can include a voltage converting circuit configured to receive an input voltage and generate an output voltage. The voltage converter can further include an overcurrent protection circuit coupled to the voltage converting circuit and having a detection unit configured to detect an overcurrent condition associated with the voltage converting circuit. The overcurrent protection circuit can further include a consumption unit configured to selectively consume and thereby reduce a current in a path associated with the voltage converting circuit based on the detection of the overcurrent condition.

Voltage converter having overcurrent protection

Circuits and devices related to voltage conversion. In some embodiments, a voltage converter can include a voltage conversion circuit configured to convert an input voltage to an output voltage based on a drive signal, and a feedback circuit configured to generate an error signal based on the output voltage and a reference voltage. The voltage converter can further include a feedforward circuit configured to generate a feedforward signal indicative of a change opposite to that of a change in the input voltage. The voltage converter can further include a drive control circuit configured to generate the drive signal based on the feedforward signal and the error signal.

Circuits and devices related to voltage conversion

Circuits and devices related to overcurrent protection. In some embodiments, a voltage converter can include a voltage converting circuit configured to receive an input voltage and generate an output voltage. The voltage converter can further include an overcurrent protection circuit coupled to the voltage converting circuit and having a detection unit configured to detect an overcurrent condition associated with the voltage converting circuit and generate an overcurrent signal indicative of the overcurrent condition. The overcurrent protection circuit can further include a consumption unit in communication with the detection unit and configured to selectively consume and thereby reduce a current in a path associated with the voltage converting circuit upon receipt of the overcurrent signal.

Circuits and devices related to overcurrent protection

Voltage converter and control method thereof. In some embodiments, a voltage converter can include a voltage conversion circuit configured to convert an input voltage to an output voltage based on a drive signal, and a feedback circuit configured to generate an error signal based on the output voltage and a reference voltage. The voltage converter can further include a feedforward circuit configured to generate a feedforward signal based on the input voltage. The voltage converter can further include a drive control circuit configured to generate the drive signal based on the feedforward signal and the error signal.

Voltage converter and control method thereof

Systems, circuits, devices and methods related to voltage converters. In some embodiments, a control system for a voltage converter can include a driving unit configured to generate a driving signal having a pulse width and a frequency. The driving signal is provided to a voltage conversion circuit to control conversion of an input voltage into an output voltage. The control system can further include a modulation unit configured to modulate the pulse width of the driving signal based on the output voltage to thereby allow adjustment of the output voltage. The control system can further include a control circuit configured to adjust the frequency of the driving signal based on the modulated pulse width. Such a control system can be useful in situations such as when the output voltage is close to the input voltage, or when a load being driven by the output voltage is relatively low.

Voltage converter having adjustable driving signal frequency

Overcurrent protection devices and methods for electronic modules. In some embodiments, an overcurrent protection system can be implemented for an electronic circuit. The system can include a detection unit configured to detect an overcurrent condition associated with the electronic circuit and generate an overcurrent signal indicative of the overcurrent condition. The system can further include a consumption system in communication with the detection unit. The consumption system can be configured to consume and thereby reduce a current in a path associated with the electronic circuit upon receipt of the overcurrent signal. The consumption system can be further configured to not consume the current when the overcurrent signal ceases.

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Wuxi, China

Hai-Bo Li