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TPS5430

Other Parts Discussed in Thread: TPS5430

TPS5430电源芯片从12V降压到5V,需要在5V上增加超级电容,如附件所示,当12V供电时,通过限流电阻R583\R584充电,12V掉电后超级电容由二极管D132放电;现在的问题是能否把D133二极管去掉?当12V掉电后,超级电容输出5V的电是否会反灌到12V上,是否会把TPS5430损坏?