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Effective methods to reduce the no-load power consumption of switching power supplies

Article Source：Kinri Energy | Author：Kinri Energy | Issuing Time：2024.05.07
In modern electronic devices, the no-load power consumption of switching power supplies has always been a concern. It has sparked public discussion, so how to effectively reduce the no-load power consumption of switching power supplies? Here are some expert suggestions collected by the editor. There are a total of eight points, let's take a look together!



switching power supply

1. Optimize circuit design

Choosing an efficient topology structure, such as LLC resonant converter, can reduce losses in the circuit.

Reasonably layout and wiring, reduce line impedance, and reduce energy loss.

2. Improve the quality of electronic components

Choosing high-quality power devices, such as MOSFETs, has lower conduction resistance and lower losses.

Using high-quality capacitors and inductors to improve its performance and stability, and reduce its own losses.

3. Adopting synchronous rectification technology

Synchronous rectification technology can replace traditional diode rectification, greatly reducing losses during the rectification process.

4. Precision control chip

High precision control chips can adjust more precisely, avoiding unnecessary energy consumption.

5. Reduce working frequency

Reducing the operating frequency of the switching power supply appropriately while ensuring performance can also reduce power consumption.

6. Improve standby mode

Design a reasonable standby mode to enable the power supply to enter a more energy-efficient state when unloaded.

7. Adopting energy-saving control strategies

Dynamically adjust the working state according to the load situation to minimize power consumption during no-load operation.

8. Strengthen heat dissipation management

Good heat dissipation can avoid additional power consumption caused by temperature rise, ensuring stable operation of the power supply.

Through the comprehensive application of these measures, we can effectively reduce the no-load power consumption of switching power supplies, improve their energy efficiency, and contribute to environmental protection and energy conservation.
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