Switch Mode Power Supply (SMPS)

  • 28 Mar 2018
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Switch Mode Power Supply (SMPS)

What is a SMPS?

A switched-mode power supply is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a DC or AC source to DC loads, such as a personal computer while converting voltage and current characteristics.

Type

Isolated converters and non-isolated converters.

Pin Identification

A positive (+) terminal

A negative (-) terminal          

Specifications

 

Application

a. Switched-mode power supply units in domestic products such as personal computers often have universal inputs, meaning that they can accept power from mains supplies throughout the world, although a manual voltage range switch may be required. SMPS can tolerate a wide range of power frequencies and voltages.

b. Due to their high volumes mobile phone chargers have always been particularly cost sensitive.

c. SMPS are used for DC to DC conversion as well. In automobiles where heavy vehicles use a nominal 24VDC cranking supply, 12V for accessories may be furnished through a DC/DC switch mode supply.

d. In industrial settings such as telecommunications racks, bulk power may be distributed at a low DC voltage and individual equipment items will have DC/DC switched-mode converters to supply whatever voltages are needed.

e. A common use for switched-mode power supplies is as extra low voltage sources for lighting, and for this application they are often called electronic transformers.

Identification

Available Values in Market

350W,450W,500W,550W,600W,650W,700W,750W,760W,850W,860W,1000W,1200W,1300W,1500W

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