5 Configuring the Power Profiler Kit
Doc. ID 4425_027 v1.0
Page 19
Figure 14: Current measurements standalone with an external power source
Make sure that the following are configured:
• The DUT select (
SW2
) switch is in the "External" position.
• The custom hardware (DUT) is connected to the External DUT (
P16
) connector of the PPK.
• The power source is one of the following:
• The PPK on-board regulator: Make sure that a USB cable with power is inserted into the External 5V
supply (
J1
) USB connector of the PPK. Set the Power select (
SW4
) switch in the "Reg" position.
• External power supply: In addition to the USB cable inserted in the External 5V supply (
J1
) USB
connector, make sure that the external power is connected to the External DUT supply (
P22
) connector
of the PPK (voltage range from 1.8 to 3.6 V). Set the Power select (
SW4
) switch in the "External" position.
• The additional SEGGER J-Link is connected to the Debug in (
P21
) connector on the PPK using the 10-pin
flat cable. The USB cable is inserted into the SEGGER J-Link and connected to a computer running the PPK
desktop application.
• The COM (
SW3
) switch is in the "EXT" position.
