Datasheet

UG-139 Evaluation Board User Guide
Rev. A | Page 10 of 16
POWER BOARD FROM USB PORT ONLY
To power the motherboard via the USB for demonstration
purposes without using an external supply, short Pin 1 and
Pin 2 on both of the LK3 jumpers on the motherboard. Short
Pin 1 and Pin 2 of J5 on the daughterboard. Figure 11 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.
TORCH AND STROBE: USE PUSH-BUTTONS FOR
EXTERNAL TORCH OR FLASH. BUTTONS MUST
BE ENABLED FROM SOFTWARE GUI.
CY68013 A MICROCONTROLLER:
PROVIDES USB-TO-I
2
C CONVERSION
USB SUPPLY
FOR DAUGHTERBOARD
(FOR DEMONSTRATION)
USB MINI B TYPE
CONNECTOR
09024-011
Figure 11. Powering the ADP1650 from a USB Port