⚡ The Problem: Inefficient SMPS = Wasted Power

Switched-Mode Power Supplies (SMPS) are popular for their compact size and efficiency—but how efficient really is your design? Without proper benchmarking, you might be losing valuable power as heat, which affects battery life and long-term reliability.

🔧 The Solution: Benchmarking SMPS Efficiency

To evaluate SMPS efficiency, measure both input and output power. Use a multimeter and a DC load or resistor. Efficiency is calculated as:

Efficiency (%) = (Output Power / Input Power) × 100

This helps identify if your circuit is underperforming due to poor layout, low-quality components, or thermal issues.

🧪 Practical Example

Say your SMPS takes in 12V at 1A (12W) and outputs 5V at 2A (10W).

Efficiency = (10 / 12) × 100 = 83.3%

Not bad, but with low RDS(on) MOSFETs or better inductors, you can push past 90%.

📐 Sample Tip: Use Quality MOSFETs

Choose low-loss MOSFETs and Schottky diodes to reduce switching and conduction losses—especially in high-frequency designs.

🛒 Product Suggestion: Made in India Components

Try our Made in India MOSFET modules for prototyping high-efficiency SMPS.

👉 Shop now at SmartXProKits.in
💡 Support our work and India’s innovation—buy from our Make in India site!