Power Profiler problem

RE: Power Profiler problem

Stian Røed Hafskjold — Fri, 26 Oct 2018 11:59:48 GMT

I think the customer should first try to

Put the PPK on top of a nRF5 DK
Set all the switches to the DK position.
USB connected to the DK. Do not connect USB to the PPK
No wires or debugger connected to the PPK.
Only using the DK debugger.

RE: Power Profiler problem

Mouser.Paul — Fri, 26 Oct 2018 02:44:43 GMT

Hi Stian,

Since the customer has no other ways to test whether is PPK or debugger has broken, therefore if the customer request to return the PPK, could we accept? Or should we have other method to help the customer?

RE: Power Profiler problem

Stian Røed Hafskjold — Thu, 25 Oct 2018 14:51:51 GMT

Ok, then I would say that the PPK or the debugger is broken.

RE: Power Profiler problem

Mouser.Paul — Thu, 25 Oct 2018 09:04:02 GMT

Debugging is not possible in your way

RE: Power Profiler problem

Stian Røed Hafskjold — Thu, 25 Oct 2018 08:46:22 GMT

You can set the Power select switch to External and supply the external supply pins with 3V.

Or you can set the switch to the DK position and put the PPK on top of a DK. With the USB connected to the DK

RE: Power Profiler problem

Mouser.Paul — Thu, 25 Oct 2018 08:23:57 GMT

How to restore the voltage to the initial 3V?

RE: Power Profiler problem

Stian Røed Hafskjold — Fri, 19 Oct 2018 07:45:21 GMT

In your picture I only see 3 wires. You need 4:

GND
VDD
SWDIO
SWDCLK

Which JLINK product are you using? It might not support 1.8V. I would suggest to use a nRF52 DK as the debugger. Connect a cable from the debug out port of of the DK and to the debug in port on the PPK.

RE: Power Profiler problem

Mouser.Paul — Fri, 19 Oct 2018 04:02:32 GMT

1.The PPK connection to JLINK is lost

2.I use JLINK V9.

3.Now the PPK version is JOVE jve-m2

RE: Power Profiler problem

Stian Røed Hafskjold — Thu, 18 Oct 2018 12:56:46 GMT

So you mean that the JLINK connection to the PPK is lost when you set the voltage to 1.8 V? Or is it the connection to the DUT that is lost?

Which JLINK version are you using? JLink Lite does not support voltages below 2.3V

Earlier versions of the PPK did have some issues at lower voltages. Can you please tell me your PPK version? Both hardware and software. Thanks