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Q: what should I do with the wLED Boost Converter pins if I am not using the white LED boost?
A: Please make the following connections if the wLED Boost Converter of the TPS6507x is unused.
L4 - to ground
ISET1 - with a 100kohm resistor to ground
ISET2 - with a 100kohm resistor to ground
ISINK1 - to ground
ISINK2 - to ground
FB_WLED - to ground