NEWS

Get the latest news
/
/
The structure of good price and quality switching power supplies

The structure of good price and quality switching power supplies

  • Author:
  • Origin:
  • Time of issue:2022-05-14
  • Views:

(Summary description)The good price and quality switching power supplies is roughly composed of the main circuit, the control circuit, the detection circuit and the auxiliary power supply.

The structure of good price and quality switching power supplies

  • Author:
  • Origin:
  • Time of issue:2022-05-14
  • Views:

(Summary description)The good price and quality switching power supplies is roughly composed of the main circuit, the control circuit, the detection circuit and the auxiliary power supply.

Information

The good price and quality switching power supplies is roughly composed of the main circuit, the control circuit, the detection circuit and the auxiliary power supply.
1. Main circuit of good price and quality switching power supplies
Inrush current limiter: Limit the inrush current on the input side when the power is turned on.
Input filter: Its function is to filter the clutter existing in the grid and prevent the clutter generated by the machine from being fed back to the grid.
Rectification and filtering: rectify the AC power of the grid directly into a smoother DC.
Inverter: Convert the rectified direct current into high-frequency alternating current, which is the core part of the high-frequency switching power supply.
Output rectification and filtering: Provide stable and reliable DC power according to the needs of the load.

good price and quality switching power supplies
2. Control circuit of good price and quality switching power supplies
On the one hand, take samples from the output end, compare with the set value, and then control the inverter to change its pulse width or frequency to stabilize the output; The control circuit performs various protection measures for the power supply.
3. Detection circuit of good price and quality switching power supplies
Provides various parameters and various instrument data in operation in the protection circuit.
4. Auxiliary power supply of good price and quality switching power supplies
Realize the software (remote) startup of the power supply, and supply power for the protection circuit and the control circuit (chips such as PWM).

Keyword:

logo
ewmsz wz

Copyright©2021 W&T ELECTRONICS CO., LTD 粤ICP备16048718号  SEO