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  • Users: Matie Tom
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  1. Matie Tom

    A Current Balance Circuit for LED Strings in Parallel with Polyswitch Protection

    Power Supply: Gophertc CPS-6011 60V 11A Adjustable C/V. LED’s: 108x Cree XP-G3 LED Configuration: 6x 18 LEDs in Series. XP-G3 LED's = (2.74 Vf 150mA @25C) - (3.11 Vf 2000mA @25C) Voltage Range = 49.32 to 55.98v 49.32v + .2 Transistor drop = 49.52v BD139 Transistors have Maximum...

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