prof r t kennedy 1 eet 423 power electronics -2. prof r t kennedy2 220 w lcd tv power supply

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EET 423 EET 423 POWER ELECTRONICS -2POWER ELECTRONICS -2

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220 W LCD TV Power Supply

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220 W LCD TV Power Supply

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160 W CRT TV Power Supply

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160 W CRT TV Power Supply

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200 W GAME CONSOLE ADAPTER

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60 W MONITOR POWER ADAPTER

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90 W POWER ADAPTER

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40 W PRINTER

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Portable Power System by Function

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Power Management : Portables

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USB Powered Peripherals Organizers PDAs Handheld PCs

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Portable Batteries (Primary)

Alkaline• 1.5V Full• 225 WHr/kg

Lithium• 3.0V Full• 260 WHr/kg

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Portable Batteries (Secondary)

NiCd and NiMH• 1.2V nominal• 80 WHr/kg, NiMH

Lithium Ion and Lithium• 3.6 to 3.7 nominal• 140 WHr/kg

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BATTERY EFFECTS

• State of Charge

• lower voltage higher current for same power

• higher impedance greater battery power loss lower battery terminal

voltage