Difference between SMPS and UPS
Last Updated :
30 Sep, 2022
1. Switched Mode Power Supply (SMPS) : It is used to change from a specific DC voltage to another DC voltage level usually it reduces the supply voltage to a lower level so that it can be used by components requiring lower voltage. 2. Uninterruptible Power Supply (UPS) : It is used to supply power to devices for a fixed amount of time without stopping even when there is no incoming power supply.
Difference between S.M.P.S and U.P.S :
Parameter |
UPS |
SMPS |
Power Conversion |
Provides A.C supply when power fails. |
Converts A.C to D.C power. |
Transformers Used |
Low-frequency transformers used. |
High-frequency transformers used. |
Backup |
UPS have backup capabilities. |
SMPS don’t have any kind of backup capability. |
Power Storage |
Power storage equipment is used to store the incoming supply. |
No power storage equipment used. |
Pricing |
It is usually costlier than SMPS. |
Prices are usually lower than UPS. |
Placement |
Usually outside the cabinet. |
Inside the cabinet. |
Size |
Usually, the size is slightly bigger than SMPS. |
Usually, Smaller than UPS. |
Electronic Components |
Rectifier, UPS Batteries, Inverter, Static Bypass Switch. |
PWM Oscillator, HF rectifier, MOSFET switch. |
Popular Manufactures |
Schneider, Luminous, Su-Kam, Genus Power. |
Marc Computers, Thermaltake, Zebronics. |
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