HTCC-AM02 Power Supply

[jmendozat]

May I connect directly a 3.7V battery to VDD pin? According to Electrical Characteristics Power Supply is from 2.7V (minimum) to 3.5V (maximum). However, the module is based on Cypress PSCO 4000, which work from 1.71V to 5.5V, and SX1262 working from 1.8V to 3.7V. I’m confused.

[jayjay]

i have the heltec capsule and i successfully connected a 3.6v battery directly to VDD… without any issues.

read about my experience here:

How to power with SAFT LS14500 or ER14500 directly?

hi jayjay, I had the same question but did not get an answer: I hope to find one here. In our own prototype, we use a voltage converter right now. But as soon as we send something with LoRa the voltage drops anyways. So maybe it will work fine. Maybe we just gonna test it. The worst thing that can happen is that we lose one module. –SirSundays

Cheers,
Jay