Circuit design of 10W portable game console power supply

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Summary:

The TinySwitch-PK power supply provides 10W of continuous output power and 15W of peak power. Typical applications include portable game consoles and other devices that require short-term peak power capabilities.

Diodes D1, D2, D3, and D4 and capacitors C1 and C2 rectify and smooth the AC input. Capacitors C1, C2, L1, and L2 provide differential mode and common mode EMI filtering.

design feature

• Extremely high efficiency
• Meets CEC/Energy Star 2008 requirements for load efficiency (required 70.5%, up to 74.6%)
• Low no-load power consumption (< 100 mW at 230 VAC AC input)
• Compliant with CISPR-22/EN55022B conducted EMI limit, EMI margin is 10dBmV (see Figure 3)
• Scalable protection
• Optional Latch Overvoltage Protection (OVP)
• Optional latch overcurrent protection (OCP)
• Integrated hysteresis thermal shutdown protection provides overtemperature protection (OTP)
• Automatic restart function allows unlimited short-circuit output

10W portable game console power supply circuit diagram

See the uploading documentation for details (click to download)