From 40da55ce9c1c51f86ac7e6b3ebca3c0dc10d3979 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Stensg=C3=A5rd?= <mastensg@mastensg.net>
Date: Thu, 12 Mar 2026 01:28:29 +0100
Subject: notepad: power by linear regulation

---
 notepad.txt | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

(limited to 'notepad.txt')

diff --git a/notepad.txt b/notepad.txt
index 686ec57..fbc3fef 100644
--- a/notepad.txt
+++ b/notepad.txt
@@ -33,3 +33,35 @@ pcie
 
 a1/a2
 	V15 er POR_ADJ på A1, men SER_TERM1 på A2.
+
+------------------------------------------------------------------------------
+2026-03-11 onsdag
+
+power
+	Input 5.5
+			1.1	V_core.
+			1.2	I/O.
+			1.8	I/O, PSRAM.
+			2.5	I/O, XO, flash, JTAG.
+			3.3	PMOD.
+
+	[ ] la være å regulere til 1.2 V?
+
+	olimex:
+	5 x TPS62A02ADRLR
+	https://www.lcsc.com/product-detail/C5820994.html
+	https://www.lcsc.com/datasheet/C5820994.pdf
+
+	köln:
+	5 x MPM3833C
+	https://www.monolithicpower.com/en/mpm3833c.html
+	fant ikke hos lcsc
+	https://www.digikey.com/en/products/detail/monolithic-power-systems-inc/MPM3833CGRH-P/9817888
+
+	lab217:
+	1 x MP20051DN-LF-Z = 1.1 V
+		https://www.monolithicpower.com/en/mp20051.html
+		https://www.digikey.no/no/products/detail/monolithic-power-systems-inc/MP20051DN-LF-Z/5291857
+	1 x MP20041DGT-GJ-LF-P = 1.8, 2.5 V
+		https://www.monolithicpower.com/en/mp20041.html
+		https://www.digikey.no/no/products/detail/monolithic-power-systems-inc/MP20041DGT-GJ-LF-P/5298806
-- 
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