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sinara-hw / SiLPA_HL

Simple Low distortion Power Amplifier
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PGOOD LED not working #11

Open jmatyas opened 7 months ago

jmatyas commented 7 months ago

Both IC5 (TPS62148) and IC29 (LTC3624) voltage converters Power Good output pins are open drain.

PGOOD LED is turned on by the transistor which gate is driven by PGOOD pin, so it won't work without an external pull-up resistor

image

skuchars commented 1 month ago

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gkasprow commented 1 month ago

we need pullup on the T5 gate

skuchars commented 1 month ago

Right, of course, my mistake. image