{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9853563","patent":{"patent_number":"US-9853563","title":"Isolated synchronous rectification control circuit, control device, and control method","assignee":null,"inventors":[],"filing_date":"2016-02-02T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H02M","H02M","H02M","H02M"],"num_claims":16,"abstract":"The present invention provides an isolated synchronous rectification control circuit, a control device, and a control method. The control circuit includes a power supply module, a reference module, a comparator module, a primary side turn-on determination unit, a secondary intermittent burst estimation unit, a logic unit, and a driver unit. The control device includes a transformer, a bypass capacitor configured to provide a stable voltage, a time constant setting resistor configured to configure a primary side turn-on time constant and a secondary intermittent burst time estimation determination, a synchronous rectification control circuit configured to determine the primary side turn-on based on the current flowing into a time setting terminal, predict a secondary side intermittent burst time, and generate logic control signals to drive the turn-on or turn-off of the synchronous rectifier, and an output capacitor connected to the rectification control circuit to provide an output capacitance."},"analysis":{"summary":"The Isolated Synchronous Rectification Control Circuit, Control Device, and Control Method patent introduces a novel approach to enhancing power conversion efficiency in isolated power supplies. The core innovation lies in its ability to accurately determine the optimal turn-on and turn-off times for synchronous rectifiers, minimizing losses and maximizing efficiency. This solves the problem of inefficient power conversion in isolated systems, where traditional methods often involve complex control schemes and struggle to adapt to varying load conditions. The system employs a primary side turn-on determination unit and a secondary intermittent burst estimation unit, working in tandem to predict and react to changes in the power supply's operating conditions. This precise control translates to lower energy consumption, reduced heat generation, and improved system reliability.\n\nThe business value of this technology is significant, as it offers a practical and efficient solution for isolated power conversion. Its applications span across various industries, including consumer electronics, industrial automation, and renewable energy. The market opportunity is substantial, driven by the increasing demand for efficient and compact power conversion solutions. The innovation's potential to reduce energy waste and promote sustainability aligns with global trends and regulatory initiatives. The Isolated Synchronous Rectification Control Circuit, Control Device, and Control Method represents a significant step forward in power electronics, offering a cost-effective and reliable approach to improving power conversion efficiency. This technology enables designers to create more efficient and reliable power supplies for a wide range of applications, resulting in significant cost savings and improved performance.","layman_explanation":"The Isolated Synchronous Rectification Control Circuit, Control Device, and Control Method addresses the problem of inefficient power conversion, particularly in devices that require electrical isolation, such as power adapters for laptops or chargers for smartphones. In these devices, power is transferred from one circuit to another without a direct electrical connection, which can lead to energy losses. Existing solutions often struggle to efficiently manage the flow of power, resulting in wasted energy and increased heat generation.\n\nThis patent introduces a system that intelligently controls the switching of components called synchronous rectifiers. Think of these rectifiers as tiny gates that open and close to allow power to flow in the right direction. The invention uses a smart circuit to determine the precise moment to open and close these gates, minimizing energy loss. It's like having a traffic controller for electricity, ensuring that power flows smoothly and efficiently. The system also predicts when power demand will change, allowing it to adjust the gates in advance for optimal performance.\n\nThis innovation matters because it can significantly reduce energy waste in a wide range of electronic devices. By improving power conversion efficiency, the system can lower electricity bills, extend battery life, and reduce the environmental impact of electronic devices. The potential market impact is substantial, as it can be applied to various industries, including consumer electronics, industrial automation, and renewable energy. The technology's ability to reduce energy waste aligns with global trends and regulatory initiatives focused on sustainability.\n\nFuture applications of this technology may include integration into electric vehicles, smart grids, and other energy-intensive systems. The adoption timeline will likely depend on factors such as manufacturing costs, regulatory approvals, and market demand. From an investment perspective, this patent represents a promising opportunity to capitalize on the growing demand for efficient and sustainable energy solutions.","technical_analysis":"The Isolated Synchronous Rectification Control Circuit, Control Device, and Control Method is designed to enhance power conversion efficiency in isolated power supplies. The technical architecture comprises several key modules: a power supply module, a reference module, a comparator module, a primary side turn-on determination unit, a secondary intermittent burst estimation unit, a logic unit, and a driver unit. The implementation details involve a combination of hardware and software to accurately determine the optimal turn-on and turn-off times for the synchronous rectifier. The primary side turn-on determination unit is configured to determine the turn-on time of the synchronous rectifier based on the current flowing into a time setting terminal. The secondary intermittent burst estimation unit is designed to predict the secondary side intermittent burst time, enabling dynamic adjustment of the synchronous rectifier's operation.\n\nThe logic unit generates logic control signals to drive the turn-on or turn-off of the synchronous rectifier, based on the information from the primary side turn-on determination unit and the secondary intermittent burst estimation unit. The driver unit provides the necessary drive signals to the synchronous rectifier to control its switching. The integration patterns involve connecting the output of the driver unit to the gate of the synchronous rectifier. The performance characteristics of the system are improved efficiency, reduced heat generation, and enhanced control. The code-level implications involve implementing the control algorithms in firmware or software. The algorithm specifics involve using a combination of current sensing, voltage sensing, and timing control to accurately determine the optimal turn-on and turn-off times for the synchronous rectifier. The system also incorporates a bypass capacitor, a time constant setting resistor, and an output capacitor to ensure stable voltage output and precise timing control.","business_analysis":"The Isolated Synchronous Rectification Control Circuit, Control Device, and Control Method patent presents a significant business opportunity in the power electronics market. The market opportunity size is substantial, driven by the increasing demand for efficient and compact power conversion solutions. The competitive advantages of this technology include improved efficiency, reduced heat generation, and enhanced control. The revenue potential is high, as the technology can be licensed to manufacturers of power supplies and other electronic devices. The business models include licensing, product development, and strategic partnerships. The strategic positioning of the technology is in the high-efficiency power conversion market. The ROI projections are favorable, as the technology can significantly reduce energy consumption and improve system performance.\n\nThe Isolated Synchronous Rectification Control Circuit, Control Device, and Control Method has implications for various industries, including consumer electronics, industrial automation, and renewable energy. By improving the efficiency of power conversion, the system contributes to reducing energy waste and promoting sustainability. The technology's compact design and ease of integration make it suitable for both new designs and retrofitting existing systems. The innovation's potential to transform power conversion is significant, paving the way for more efficient and sustainable energy solutions. This technology enables designers to create more efficient and reliable power supplies for a wide range of applications, resulting in significant cost savings and improved performance.","faqs":null,"topics":["synchronous rectification","power conversion","isolated power supplies","efficiency","power electronics","isolated","synchronous","rectification"],"tech_cluster":null},"seo":{"title":"Isolated Rectification Control - Patent US-9853563","description":"Discover how this isolated synchronous rectification control circuit improves power conversion efficiency. Full patent analysis, claims, and technical details.","keywords":["synchronous rectification","power conversion","isolated power supplies","efficiency","power electronics","patent","patent US-9853563"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9853563","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9853563","citation_suggestion":"Patentable. \"Isolated synchronous rectification control circuit, control device, and control method\" (US-9853563). https://patentable.app/patents/US-9853563","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9853563","json":"https://patentable.app/api/llm-context/US-9853563","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:38:43.946Z"}