What is Switched-mode Power Supply (SMPS) ? Types and Important Points

What is Switched-Mode Power Supply (SMPS) ?

Ans. The pow­er sup­ply unit sup­plies pow­er to the dif­fer­ent sys­tem com­po­nents such the moth­er­board and the device drives.

How many Types of Connectors required in SMPS ?

Ans. There are 5 types of con­nec­tors.

1. ATX pow­er connectors
2. 24 pin SMPS connectors
3. Stan­dard periph­er­al pow­er con­nec­tors (Molex)
4. SATA pow­er connectors
5. PCI‑E 6 pin connector

Important Points About SMPS ?

• The pow­er sup­ply unit con­verts AC cur­rent to DC cur­rent and sup­plies it to system.
• The dif­fer­ent form fac­tors of the pow­er sup­ply unit are LPX, ATX (NLX), and SFX.
• Dif­fer­ent com­po­nents of the PC require dif­fer­ent volt­ages and the pow­er sup­ply has to pro­vide these volt­ages in vary­ing amounts.
• Trou­bleshoot­ing the pow­er sup­ply prob­lems is also an essen­tial task for main­tain the system.