Novatek Microelectronics. has filed a patent for a feedback control system consisting of a driver chip and a power chip. The driver chip outputs a detection voltage, which the power chip uses to generate and output a driving voltage. This system aims to improve control and efficiency in electronic devices. GlobalData’s report on Novatek Microelectronics gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on Novatek Microelectronics, Adaptive video coding was a key innovation area identified from patents. Novatek Microelectronics's grant share as of January 2024 was 59%. Grant share is based on the ratio of number of grants to total number of patents.

Feedback control system with driver chip and power chip

Source: United States Patent and Trademark Office (USPTO). Credit: Novatek Microelectronics Corp

A feedback control system described in the patent application US20240028061A1 comprises a driver chip and a power chip. The driver chip includes a first output terminal that outputs a first detection voltage, while the power chip has a second input terminal directly connected to the first output terminal. The power chip generates a driving voltage based on the first detection voltage and outputs it to the first input terminal of the driver chip. The driver chip also includes an application circuit and a control circuit that generates the first detection voltage based on input voltages from the application circuit.

Furthermore, the feedback control system involves a resistor selecting circuit, a voltage converter circuit, and a feedback resistor string to adjust and generate the driving voltage according to the input voltages. The system is designed to operate efficiently under different load conditions, with the driving voltage varying between a first value for light-load conditions and a second value for heavy-load conditions. The patent application also outlines a feedback control method that involves generating the first detection voltage based on input voltages from the application circuit and utilizing switches in the control circuit to receive and process the input voltages effectively. Overall, the system and method described in the patent application aim to provide a reliable and adaptable feedback control mechanism for various applications.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.