18449757. POWER SUPPLY CONTROL APPARATUS AND SWITCHING POWER SUPPLY INCLUDING THE SAME simplified abstract (Rohm Co., Ltd.)
Contents
- 1 POWER SUPPLY CONTROL APPARATUS AND SWITCHING POWER SUPPLY INCLUDING THE SAME
- 1.1 Organization Name
- 1.2 Inventor(s)
- 1.3 POWER SUPPLY CONTROL APPARATUS AND SWITCHING POWER SUPPLY INCLUDING THE SAME - A simplified explanation of the abstract
- 1.4 Simplified Explanation
- 1.5 Potential Applications
- 1.6 Problems Solved
- 1.7 Benefits
- 1.8 Potential Commercial Applications
- 1.9 Possible Prior Art
- 1.10 Original Abstract Submitted
POWER SUPPLY CONTROL APPARATUS AND SWITCHING POWER SUPPLY INCLUDING THE SAME
Organization Name
Inventor(s)
POWER SUPPLY CONTROL APPARATUS AND SWITCHING POWER SUPPLY INCLUDING THE SAME - A simplified explanation of the abstract
This abstract first appeared for US patent application 18449757 titled 'POWER SUPPLY CONTROL APPARATUS AND SWITCHING POWER SUPPLY INCLUDING THE SAME
Simplified Explanation
The patent application describes a power supply control apparatus that includes a driver, a synchronous rectification transistor, and a controller. The controller is configured to adjust the switching frequency of the output transistor based on the load, and to periodically turn on the synchronous rectification transistor to maintain the switching frequency above a certain limit value.
- Driver drives output transistor and synchronous rectification transistor
- Synchronous rectification transistor generates output voltage from input voltage
- Controller adjusts switching frequency of output transistor based on load
- Controller periodically turns on synchronous rectification transistor to maintain switching frequency above limit value
Potential Applications
The technology described in this patent application could be applied in various power supply systems where efficient control of the output voltage is required, such as in DC-DC converters, battery chargers, and voltage regulators.
Problems Solved
This technology addresses the issue of maintaining optimal efficiency in power supply systems, especially under light load conditions. By adjusting the switching frequency and turning on the synchronous rectification transistor as needed, the system can operate more efficiently and effectively.
Benefits
The benefits of this technology include improved energy efficiency, reduced power losses, and enhanced overall performance of power supply systems. By optimizing the control of the output voltage based on the load, the system can operate more efficiently and reliably.
Potential Commercial Applications
Potential commercial applications of this technology include power supply units for electronic devices, renewable energy systems, and industrial equipment. The optimized control of the output voltage can lead to cost savings, improved reliability, and enhanced performance in various applications.
Possible Prior Art
One possible prior art for this technology could be existing power supply control systems that adjust the switching frequency based on the load to improve efficiency. However, the specific method of periodically turning on the synchronous rectification transistor to maintain the switching frequency above a certain limit value may be a novel aspect of this innovation.
Unanswered Questions
How does this technology compare to existing power supply control systems in terms of efficiency and performance?
This article does not provide a direct comparison between this technology and existing power supply control systems. It would be helpful to have more information on the specific advantages and disadvantages of this innovation compared to other similar systems.
What are the potential challenges or limitations of implementing this technology in practical applications?
The article does not address any potential challenges or limitations that may arise when implementing this technology in real-world applications. It would be important to understand any constraints or issues that could affect the performance or feasibility of this innovation in practical settings.
Original Abstract Submitted
A power supply control apparatus, includes: a driver configured to respectively drive an output transistor and a synchronous rectification transistor configured to generate an output voltage from an input voltage and supply the output voltage to a load; and a controller configured to, in a light load mode in which output feedback control is performed such that a switching frequency of the output transistor becomes lower as the load becomes lighter, during an off period from a time at which both the output transistor and the synchronous rectification transistor are turned off to an on timing of the output transistor based on the output feedback control, periodically turn on the synchronous rectification transistor within a range in which the switching frequency does not fall below a predetermined lower limit value.
