diff --git a/hardware/icE1usb/r0.1/psu.sch b/hardware/icE1usb/r0.1/psu.sch
new file mode 100644
index 0000000..9b5ffce
--- /dev/null
+++ b/hardware/icE1usb/r0.1/psu.sch
@@ -0,0 +1,285 @@
+EESchema Schematic File Version 4
+EELAYER 30 0
+EELAYER END
+$Descr A4 11693 8268
+encoding utf-8
+Sheet 6 7
+Title "icE1usb - Power Supply"
+Date "2020-08-19"
+Rev "0.1"
+Comp ""
+Comment1 "CERN-OHL-S"
+Comment2 "(C) 2020 Sylvain Munaut"
+Comment3 ""
+Comment4 ""
+$EndDescr
+$Comp
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+F 2 "Package_TO_SOT_SMD:SOT-23-5" H 4400 3100 50  0001 C CNN
+F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/MIC550X.pdf" H 4150 3750 50  0001 C CNN
+	1    4400 3500
+	1    0    0    -1  
+$EndComp
+$Comp
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+F 1 "MIC5504-3.3YM5" H 6600 3776 50  0000 C CNN
+F 2 "Package_TO_SOT_SMD:SOT-23-5" H 6600 3100 50  0001 C CNN
+F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/MIC550X.pdf" H 6350 3750 50  0001 C CNN
+	1    6600 3500
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR062
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+F 2 "" H 4400 4000 50  0001 C CNN
+F 3 "" H 4400 4000 50  0001 C CNN
+	1    4400 4000
+	1    0    0    -1  
+$EndComp
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+$EndComp
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+F 3 "" H 7200 3200 50  0001 C CNN
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+$EndComp
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+$EndComp
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+$EndComp
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+$EndComp
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+$EndComp
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+$EndComp
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+	1    3600 3200
+	1    0    0    -1  
+$EndComp
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+$Comp
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+	1    3600 4000
+	1    0    0    -1  
+$EndComp
+$Comp
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+F 3 "~" H 3600 3900 50  0001 C CNN
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+	1    0    0    -1  
+$EndComp
+Wire Wire Line
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+$EndSCHEMATC