Add Reliable Power Backup to Notecard with Scoop

Blog Posts
1

The all new Scoop features a Lithium-Ion Capacitor to provide Notecard with backup power and a lower self-discharge rate than traditional LiPo batteries.

Read the full blog post at https://blues.dev/blog/backup-power-with-scoop and continue the discussion here.
2

Any chance to drop a step model of the scoop assembly in the online datasheet ?

3

Hi @Embedded_iceman - the step file is available here on GitHub: https://github.com/blues/note-hardware/tree/master/Scoop

4

Those pin headers, are they connected to the same nets as the JST ? It would be of value to me if I do not need JST-cable-JST in my product.

5

The JST connectors on the Scoop are the same JST connectors used on our Notecarriers and the batteries sold on our store.

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If you’re nervous about things getting plugged where they shouldn’t, you could always desolder or plug the JST connectors from Scoop’s PCB and utilize the additional header pins for a power pigtail of some kind.

Here is a Notecarrier-F next to Tadiran battery and Scoop:

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This is the JST connector(s) we utilize alongside these pigtails.

edit- Scoop schematic attached:

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We will update an interactive KiCanvas version of the Scoop design soon, just like our Notecarrier’s. Here is the Notecarrier-F, for example.

,
-Wojo

6

Great! hope this info finds its way into the online datasheet :cowboy_hat_face:

7

What’s the background/minimum draw of the scoop? I’ve connected it to a current-ranger without any load and it seems to stay around 2.0-2.4 mA… (7V input) which seems high.

8

I did the same this week using my Nordic PPK2 set at 5V and also saw 2.2mA stable draw after the cap was charged.