Cirrus Logic. has been granted a patent for a mobile electronic device system featuring a power converter that adjusts output voltage based on input voltage levels. The system includes a controller that modifies output voltage thresholds in response to changes in input voltage from the device’s battery. GlobalData’s report on Cirrus Logic gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Cirrus Logic, Voice biometrics was a key innovation area identified from patents. Cirrus Logic's grant share as of June 2024 was 65%. Grant share is based on the ratio of number of grants to total number of patents.
Power converter control based on input voltage thresholds
The patent US12046986B2 describes a mobile electronic device system that includes a power converter and a controller. The power converter is designed to receive an input voltage from a mobile device's battery and generate an output voltage. The controller plays a crucial role in managing the operation of the power converter by comparing the output voltage to at least one output voltage threshold. It adjusts this threshold based on the input voltage, specifically increasing it when the input voltage drops below a predefined threshold. This dynamic adjustment aims to optimize the performance of the power converter under varying input voltage conditions.
Additionally, the claims outline various functionalities of the controller, including the ability to manage multiple output voltage thresholds and control the switching states of the power converter, which can operate in charging and transfer modes. The controller is also capable of decreasing the output voltage threshold when the input voltage rises above certain levels. Furthermore, the system can enter a bypass mode, allowing the output voltage to be directly coupled to the input voltage, with the controller adjusting the output voltage threshold accordingly. Overall, the patent emphasizes a sophisticated approach to power management in mobile devices, enhancing efficiency and adaptability in response to changing voltage conditions.
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