On a couple of Seeeduino LoRaWAN (without GPS) devices, which are powered from a constant 5V supply via the
5V pin, I’ve noticed that they reset every few hours or so.
I’ve been able to capture a couple of instances, and they look like this.
Yellow is the
Vin rail and blue is the
3V3 rail. The
U5V during this time is unperturbed. As you can see, the issue is that the battery charger IC, the ETA6003, does not maintain the
Is this a known issue. Is my only option to bridge out the battery charger IC?