Apple inc. (20240258905). COMMON MODE NOISE CANCELLATION FOR LLC RESONANT CONVERTERS simplified abstract
Contents
- 1 COMMON MODE NOISE CANCELLATION FOR LLC RESONANT CONVERTERS
- 1.1 Organization Name
- 1.2 Inventor(s)
- 1.3 COMMON MODE NOISE CANCELLATION FOR LLC RESONANT CONVERTERS - A simplified explanation of the abstract
- 1.4 Simplified Explanation
- 1.5 Key Features and Innovation
- 1.6 Potential Applications
- 1.7 Problems Solved
- 1.8 Benefits
- 1.9 Commercial Applications
- 1.10 Questions about Power Converters
- 1.11 Original Abstract Submitted
COMMON MODE NOISE CANCELLATION FOR LLC RESONANT CONVERTERS
Organization Name
Inventor(s)
Chanwit Prasantanakorn of Santa Clara CA (US)
Bharat K Patel of San Martin CA (US)
COMMON MODE NOISE CANCELLATION FOR LLC RESONANT CONVERTERS - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240258905 titled 'COMMON MODE NOISE CANCELLATION FOR LLC RESONANT CONVERTERS
Simplified Explanation
The patent application describes a power converter with a common mode noise compensation capacitor to reduce noise in the system.
- The power converter includes a switching bridge, a transformer, rectifier devices, and a common mode noise compensation capacitor.
- The capacitor is connected between the secondary winding of the transformer and the rectifier device, with one terminal connected to the transformer and the other to an input terminal.
- The capacitance of the capacitor is determined by the turns ratio of the transformer and the parasitic capacitance of the transformer.
Key Features and Innovation
- Utilizes a common mode noise compensation capacitor to reduce noise in the power converter.
- Capacitor is strategically placed between the transformer and rectifier device to effectively filter out noise.
- Capacitance of the capacitor is calculated based on the transformer's characteristics to optimize noise reduction.
Potential Applications
- Power supply units
- Renewable energy systems
- Electric vehicles
Problems Solved
- Minimizes common mode noise in power converters.
- Improves overall efficiency and performance of the system.
Benefits
- Enhanced noise reduction capabilities.
- Increased reliability and stability of the power converter.
- Improved power quality for connected devices.
Commercial Applications
Power converters with common mode noise compensation capacitors can find applications in various industries such as electronics manufacturing, renewable energy, and automotive sectors. These converters can improve the efficiency and reliability of power supply units, making them ideal for use in a wide range of electronic devices and systems.
Questions about Power Converters
How does the common mode noise compensation capacitor contribute to noise reduction in power converters?
The common mode noise compensation capacitor is strategically placed in the system to filter out unwanted noise that can affect the performance of the power converter. By connecting the capacitor between the transformer and rectifier device, it helps to reduce common mode noise and improve the overall efficiency of the system.
What are the potential applications of power converters with common mode noise compensation capacitors?
Power converters with common mode noise compensation capacitors can be used in various industries such as electronics manufacturing, renewable energy systems, and electric vehicles. These converters can help improve the reliability and stability of power supply units, making them suitable for a wide range of electronic devices and systems.
Original Abstract Submitted
a power converter can include a switching bridge having two input terminals that receive an input voltage and a switch node coupled to a primary winding of a transformer; at least one rectifier device coupled between a secondary winding of the transformer and an output of the power converter; and a common mode noise compensation capacitor. a first terminal of the common mode noise compensation capacitor can be coupled to a connection between the secondary winding of the transformer and the at least one rectifier device, and a second terminal of the common mode noise compensation capacitor can be coupled to one of the two input terminals. the common mode noise compensation capacitor can be coupled to an energized or a grounded input terminal. the common mode noise compensation capacitance can be selected to be equal to the turns ratio of the transformer times the parasitic capacitance of the transformer.
