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DCDC1 & DCDC3 on T-Beam v1.2

Open moshe-braner opened this issue 7 months ago • 11 comments

On the T-Beam v1.1 the ESP32 runs off of "+3V3" which is connected to "VDD3V3" which comes from the DCDC3 output of the AXP192. But in the schematic for the v1.2 it seems that the ESP32, running off of VDD3V3, is connected to DCDC1 (pins LX1 and FB1) on the AXP2101. Different from the v1.1, or an error in the schematic? I need to know because I want to turn off the other power channel (the "3.3V" solder pads, e.g., the OLED, and other added peripherals) at some times. But I don't want to accidentally turn off the ESP32.

moshe-braner avatar Jul 22 '24 00:07 moshe-braner