AC Direct LED Driver

292

03:02:12

AC Direct LED Driver

(PT-BR)
PF > 92
Eficiência  do Driver > 80%

Driver para Lampadas LED cada LED é um string de LEDs q soma 40V

O circuito é para 110V e tem proteção contra sobretensão

A chave serve para mudar para uma fonte de tesão CC para testar o circuito em varias tensões especificas, o mesmo chaveia os MOSFETs em 90V e 130V  e a tesão de Corte em 192V (pelo Zener 185V)

(EN)
PF > 92
Driver Efficiency > 80%

Driver for LED lamps, each LED is a string of LEDs that sum 40V

The circuit is for 110V and has over-voltage protection

The key is to switch to a DC source for testing the circuit in several specific voltages, the circuit switches the MOSFETs in 90V and 130V and the Cut OFF in 192V (at 185V Zener)

published 10 years ago

hurz

10 years ago

With ac source I calculated 84.5% efficiency - well done!

flowDAQ

10 years ago

Nice

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