From f812970ca07bade89f0a396a8c29b342aa109c34 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ren=C3=A9=20van=20Dorst?= Date: Sat, 6 Sep 2025 12:41:13 +0200 Subject: [PATCH] docs: SWTG024AS_v2.0 document power rails. --- doc/devices/SWTG024AS.md | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/doc/devices/SWTG024AS.md b/doc/devices/SWTG024AS.md index 3908a40..00516b0 100644 --- a/doc/devices/SWTG024AS.md +++ b/doc/devices/SWTG024AS.md @@ -94,3 +94,21 @@ Signals are based on that `U4` is likely a I2C-EEPROM, `U10` is likely other SPI | C187 | RC-Delay | Reset-line found at `T-D3-D` active-low. + +# Power supply + +Board has two supply rails. +`0.95` and `3.3` volt. + +## `0.95` Core Voltage. + +Voltage is made by a `Richtek RT8120A` Buck converter. +0.95V must be within 3%. + +## `3.3` Voltage + +Voltage is crated by a `TMI3244T` Buck converter. +3.3V must be within 4.5%. +Chip can deliver up to 4A and the sweetspot is at 1A. +So higher power SFP-modules should work. +