Datasheet

EVAL-ADP1655
Rev. 0 | Page 11 of 20
One-LED Evaluation
The J9 jumper can be placed to short D3 for the evaluation of
the one-LED solution.
Power Board from USB Port Only
To power the board via the USB without using an external
supply, short Pin 1 and Pin 2 on both Jumper JP15 and
Jumper JP16 on the motherboard. Figure 16 illustrates jumper
settings for USB powered operation. Ensure that the LED
current is less than 200 mA to avoid exceeding the 500 mA
current limit of
the USB.
CONNECTMOTHERBOARDTO
DAUGHTERBOARDDIRECTLYAT
HEADER OR WITHRIBBONCABLE
SHORT PIN 1 AND PIN 2
OF JP15 AND JP16 SHORT J7, J8, AND J13 SELECT TXMASK ON JP12
08032-018
Figure 16. Powering ADP1655 from USB Port