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SMPS High-Power Efficiency Guide – Made in India Tips

SMPS high-power efficiency

Switch Mode Power Supplies (SMPS) are the backbone of most modern electronics. But when dealing with high-power loads, efficiency becomes a serious concern. For electronics hobbyists and engineers in India, tuning your SMPS for maximum efficiency can save heat, energy, and cost.

 


🔧 The Problem: Wasted Power = Heat

 

At higher currents, even small inefficiencies in your SMPS circuit—like poor MOSFET choices or bad layout—turn into heat and energy loss. This can reduce component lifespan and increase power bills.

 


✅ The Solution: Use Better Switching Components

 

Key steps to improve efficiency:

  • Use low Rds(on) MOSFETs to reduce conduction loss.

  • Choose fast-recovery or Schottky diodes for reduced switching losses.

  • Optimize your transformer and layout to minimize EMI and core losses.

 


🔍 Practical Example: 100W LED Driver

 

Let’s say you’re building a 100W SMPS for high-brightness LEDs. If your MOSFET has 0.2Ω Rds(on), the conduction loss at 5A is:
P = I² × R = 5² × 0.2 = 5W
By switching to a 0.05Ω MOSFET:
P = 5² × 0.05 = 1.25W — 3.75W saved!

 


🛒 Product Suggestion: Made in India Components

 

  • ⚡ [Shop low Rds(on) MOSFETs]

  • 🔌 [Shop Schottky diodes]

 

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