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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 1 year ago

jmatyas commented 1 year 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 6 months ago

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gkasprow commented 6 months ago

we need pullup on the T5 gate

skuchars commented 6 months ago

Right, of course, my mistake. image