From beb1722f2f25d79505223bab6926f700a1c26629 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?King=20K=C3=A9vin?= <kingkevin@cuvoodoo.info>
Date: Thu, 16 Jun 2022 18:50:52 +0200
Subject: [PATCH] sch: fix 3.3V dip and hub reset

---
 usb_hub.sch | 145 ++++++++++++++++++++++++++++++++++------------------
 1 file changed, 96 insertions(+), 49 deletions(-)

diff --git a/usb_hub.sch b/usb_hub.sch
index fed7920..6a5a316 100644
--- a/usb_hub.sch
+++ b/usb_hub.sch
@@ -126,7 +126,6 @@ value=AP40P05
 C 7500 26000 1 0 0 5V.sym
 N 7700 26000 7500 26000 4
 C 2700 25200 1 0 0 GND.sym
-C 3200 23900 1 0 0 GND.sym
 N 1400 24300 1400 24100 4
 N 1400 24100 2200 24100 4
 N 1600 24300 1600 24100 4
@@ -134,7 +133,6 @@ N 2200 24100 2200 23400 4
 N 2200 23400 2400 23400 4
 N 3100 24100 3100 23400 4
 N 3100 23400 2800 23400 4
-N 3100 24100 3300 24100 4
 T 700 23300 9 10 1 0 0 0 2
 EMI protection
 variable values
@@ -345,7 +343,7 @@ C 5900 20600 1 0 0 GND.sym
 C 1500 22500 1 0 0 VTRG.sym
 N 1700 22500 3300 22500 4
 N 3300 22500 3300 21900 4
-N 4800 22500 7300 22500 4
+N 4800 22700 7300 22700 4
 C 8000 21700 1 90 1 capacitor-2.sym
 {
 T 7300 21500 5 10 0 0 270 2 1
@@ -375,7 +373,7 @@ T 7600 21400 5 10 0 0 0 0 1
 description=capacitor, MLCC, 0603, >=10V, >=-20%
 }
 N 7100 21700 7800 21700 4
-N 7300 21700 7300 22500 4
+N 7300 21700 7300 22700 4
 C 7200 20600 1 0 0 GND.sym
 C 1600 21400 1 0 0 GND.sym
 C 2300 21900 1 0 0 GND.sym
@@ -383,49 +381,46 @@ N 7300 21700 7300 21400 4
 C 7600 21700 1 0 0 5V.sym
 N 6000 20800 6000 21000 4
 N 7300 20800 7300 21000 4
-C 4700 23300 1 0 0 XC6206.sym
+C 4800 23700 1 0 0 XC6206.sym
 {
-T 4700 23300 5 8 0 0 0 0 1
+T 4800 23700 5 8 0 0 0 0 1
 footprint=SOT95P280X130-3N.lht
-T 5250 24460 5 10 1 1 0 3 1
+T 5350 25160 5 10 1 1 0 3 1
 refdes=U3
-T 5660 24640 5 10 1 1 0 2 1
+T 5760 25040 5 10 0 1 0 2 1
 device=XC6206
-T 5800 23500 5 10 1 1 0 0 1
+T 5200 24900 5 10 1 1 0 0 1
 value=XC6206P332MR
-T 4700 23300 5 10 0 0 0 0 1
+T 4800 23700 5 10 0 0 0 0 1
 description=voltage regulator, LDO, =3.3V, >=0.2A
 }
-C 5000 24200 1 90 1 C0603.sym
+C 5000 24500 1 90 1 C0603.sym
 {
-T 5000 24200 5 8 0 0 270 2 1
+T 5000 24500 5 8 0 0 270 2 1
 footprint=CAPC1608X92N.lht
-T 4400 24120 5 10 1 1 0 3 1
+T 4400 24420 5 10 1 1 0 3 1
 refdes=C2
-T 4600 23700 5 10 1 1 0 6 1
+T 4600 24000 5 10 1 1 0 6 1
 value=1uF
-T 5000 24200 5 10 0 0 0 0 1
+T 5000 24500 5 10 0 0 0 0 1
 description=capacitor, MLCC, 0603, >=10V, >=-20%
 }
-C 7100 24200 1 270 0 C0603.sym
+C 6600 24500 1 270 0 C0603.sym
 {
-T 7100 24200 5 8 0 0 270 0 1
+T 6600 24500 5 8 0 0 270 0 1
 footprint=CAPC1608X92N.lht
-T 7700 24120 5 10 1 1 0 3 1
+T 7200 24420 5 10 1 1 0 3 1
 refdes=C3
-T 7500 23700 5 10 1 1 0 0 1
+T 7000 24100 5 10 1 1 0 0 1
 value=1uF
-T 7100 24200 5 10 0 0 0 0 1
+T 6600 24500 5 10 0 0 0 0 1
 description=capacitor, MLCC, 0603, >=10V, >=-20%
 }
-C 7300 23100 1 0 0 GND.sym
-C 5600 23100 1 0 0 GND.sym
-C 4600 23100 1 0 0 GND.sym
-N 4700 23300 4700 23800 4
-N 7400 23300 7400 23800 4
-C 4500 24200 1 0 0 5V.sym
-C 7200 24200 1 0 0 3V3.sym
-N 6800 24200 7400 24200 4
+C 6800 23900 1 0 0 GND.sym
+C 5700 23500 1 0 0 GND.sym
+C 4600 23900 1 0 0 GND.sym
+C 4600 24600 1 0 0 5V.sym
+C 6700 24600 1 0 0 3V3.sym
 C 14000 28300 1 0 0 FT24C16A-EP.sym
 {
 T 14000 28300 5 8 0 0 0 0 1
@@ -568,20 +563,7 @@ netname=RST
 }
 N 11200 24600 11200 24500 4
 N 9600 24900 9900 24900 4
-C 8800 25100 1 0 0 3V3.sym
-C 8700 24200 1 270 0 C0603.sym
-{
-T 8700 24200 5 8 0 0 270 0 1
-footprint=CAPC1608X92N.lht
-T 8700 24120 5 10 1 1 0 3 1
-refdes=C24
-T 8800 23900 5 10 1 1 0 6 1
-value=100nF
-T 8700 24200 5 10 0 0 0 0 1
-description=capacitor, MLCC, 0603, >=10V, >=-20%
-}
-C 8900 23600 1 0 0 GND.sym
-N 9000 24200 12400 24200 4
+C 10800 24000 1 90 0 3V3.sym
 N 12400 24200 12400 24600 4
 C 12200 27200 1 270 0 C0603.sym
 {
@@ -1002,19 +984,19 @@ symversion=0.1
 T 12900 25200 5 10 0 1 0 0 1
 description=resistor, chip, 0603, >=0.1W, <=5%
 }
-C 9100 24200 1 90 0 resistor-1.sym
+C 11700 24300 1 180 0 resistor-1.sym
 {
-T 8700 24500 5 10 0 0 90 0 1
+T 11400 23900 5 10 0 0 180 0 1
 device=RESISTOR
-T 8800 24600 5 10 1 1 0 6 1
+T 10900 24100 5 10 1 1 180 6 1
 refdes=R15
-T 8800 24400 5 10 1 1 0 6 1
+T 10900 23900 5 10 1 1 180 6 1
 value=100k
-T 8600 24400 5 10 0 1 90 0 1
+T 11500 23800 5 10 0 1 180 0 1
 footprint=RESC1608X55N.lht
-T 8400 24400 5 10 0 0 90 0 1
+T 11500 23600 5 10 0 0 180 0 1
 symversion=0.1
-T 9000 24500 5 10 0 1 90 0 1
+T 11400 24200 5 10 0 1 180 0 1
 description=resistor, chip, 0603, >=0.1W, <=5%
 }
 C 3100 24200 1 180 0 resistor-1.sym
@@ -1235,3 +1217,68 @@ description=resistor, chip, 0603, >=0.1W, <=5%
 }
 N 11200 25300 11200 25400 4
 N 9900 25300 9900 25400 4
+C 4400 24500 1 90 1 C0603.sym
+{
+T 4400 24500 5 8 0 0 270 2 1
+footprint=CAPC1608X92N.lht
+T 3800 24420 5 10 1 1 0 3 1
+refdes=C28
+T 4000 23800 5 10 1 1 0 6 1
+value=10uF
+T 4400 24500 5 10 0 0 0 0 1
+description=capacitor, MLCC, 0603, >=10V, >=-20%
+}
+C 12100 24200 1 270 0 C0603.sym
+{
+T 12100 24200 5 8 0 0 270 0 1
+footprint=CAPC1608X92N.lht
+T 12100 24020 5 10 1 1 0 3 1
+refdes=C24
+T 12300 23800 5 10 1 1 0 6 1
+value=100nF
+T 12100 24200 5 10 0 0 0 0 1
+description=capacitor, MLCC, 0603, >=10V, >=-20%
+}
+C 12300 23600 1 0 0 GND.sym
+N 11700 24200 12400 24200 4
+C 7200 24500 1 270 0 C0603.sym
+{
+T 7200 24500 5 8 0 0 270 0 1
+footprint=CAPC1608X92N.lht
+T 7800 24420 5 10 1 1 0 3 1
+refdes=C29
+T 7600 24100 5 10 1 1 0 0 1
+value=10uF
+T 7200 24500 5 10 0 0 0 0 1
+description=capacitor, MLCC, 0603, >=10V, >=-20%
+}
+C 7400 23900 1 0 0 GND.sym
+C 8500 24600 1 90 1 capacitor-2.sym
+{
+T 7800 24400 5 10 0 0 270 2 1
+device=AEC
+T 8400 24400 5 10 1 1 0 0 1
+refdes=C30
+T 7600 24400 5 10 0 0 270 2 1
+symversion=0.2
+T 8400 23800 5 10 1 1 0 0 1
+value=470uF
+T 8500 24600 5 10 0 0 0 0 1
+footprint=CAPPRD250W50D630H700N.lht
+T 8500 24600 5 10 0 0 0 0 1
+description=capacitor, AEC, radial, >=6.3V, >=-20%
+T 8500 24600 5 10 0 0 0 0 1
+lcsc=C43328
+}
+C 8200 23500 1 0 0 GND.sym
+C 4000 23900 1 0 0 GND.sym
+N 4100 24600 4800 24600 4
+N 4700 24500 4700 24600 4
+N 4100 24600 4100 24500 4
+N 6900 24500 6900 24600 4
+N 6900 24600 8300 24600 4
+N 7500 24500 7500 24600 4
+T 4100 23100 9 10 1 0 0 0 2
+470uF needed, else when powering up > 5 ports
+simultanuously cause 5V dip and hub reset
+C 3000 23200 1 0 0 GND.sym