EESchema Schematic File Version 4
EELAYER 30 0
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$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "Project 19: Retrofit ST7 based board"
Date "2022-10-30"
Rev "1"
Comp "Université Cergy Paris"
Comment1 "Mohamed Touzani"
Comment2 "Ciciliano ALTMANN"
Comment3 ""
Comment4 ""
$EndDescr
Wire Notes Line
	5350 7800 5350 2350
Wire Notes Line
	450  2350 11200 2350
$Comp
L Device:C_Small C?
U 1 1 635F5FF0
P 700 3000
F 0 "C?" H 792 3046 50  0000 L CNN
F 1 "C_Small" H 792 2955 50  0000 L CNN
F 2 "" H 700 3000 50  0001 C CNN
F 3 "~" H 700 3000 50  0001 C CNN
	1    700  3000
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 635F99EC
P 1200 3000
F 0 "C?" H 1292 3046 50  0000 L CNN
F 1 "C_Small" H 1292 2955 50  0000 L CNN
F 2 "" H 1200 3000 50  0001 C CNN
F 3 "~" H 1200 3000 50  0001 C CNN
	1    1200 3000
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 635FA037
P 1600 3000
F 0 "C?" H 1692 3046 50  0000 L CNN
F 1 "C_Small" H 1692 2955 50  0000 L CNN
F 2 "" H 1600 3000 50  0001 C CNN
F 3 "~" H 1600 3000 50  0001 C CNN
	1    1600 3000
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 635FA102
P 2050 3000
F 0 "C?" H 2142 3046 50  0000 L CNN
F 1 "C_Small" H 2142 2955 50  0000 L CNN
F 2 "" H 2050 3000 50  0001 C CNN
F 3 "~" H 2050 3000 50  0001 C CNN
	1    2050 3000
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 635FA1E6
P 2450 3000
F 0 "C?" H 2542 3046 50  0000 L CNN
F 1 "C_Small" H 2542 2955 50  0000 L CNN
F 2 "" H 2450 3000 50  0001 C CNN
F 3 "~" H 2450 3000 50  0001 C CNN
	1    2450 3000
	1    0    0    -1  
$EndComp
$Comp
L dk_Transistors-FETs-MOSFETs-Single:AO3401A Q?
U 1 1 635FCC99
P 1350 1150
F 0 "Q?" H 1458 1203 60  0000 L CNN
F 1 "AO3401A" H 1458 1097 60  0000 L CNN
F 2 "digikey-footprints:SOT-23-3" H 1550 1350 60  0001 L CNN
F 3 "http://aosmd.com/res/data_sheets/AO3401A.pdf" H 1550 1450 60  0001 L CNN
F 4 "785-1001-1-ND" H 1550 1550 60  0001 L CNN "Digi-Key_PN"
F 5 "AO3401A" H 1550 1650 60  0001 L CNN "MPN"
F 6 "Discrete Semiconductor Products" H 1550 1750 60  0001 L CNN "Category"
F 7 "Transistors - FETs, MOSFETs - Single" H 1550 1850 60  0001 L CNN "Family"
F 8 "http://aosmd.com/res/data_sheets/AO3401A.pdf" H 1550 1950 60  0001 L CNN "DK_Datasheet_Link"
F 9 "/product-detail/en/alpha-omega-semiconductor-inc/AO3401A/785-1001-1-ND/1855943" H 1550 2050 60  0001 L CNN "DK_Detail_Page"
F 10 "MOSFET P-CH 30V 4A SOT23" H 1550 2150 60  0001 L CNN "Description"
F 11 "Alpha & Omega Semiconductor Inc." H 1550 2250 60  0001 L CNN "Manufacturer"
F 12 "Active" H 1550 2350 60  0001 L CNN "Status"
	1    1350 1150
	0    -1   -1   0   
$EndComp
$Comp
L Device:Crystal_Small Y?
U 1 1 6360BE1D
P 1000 6000
F 0 "Y?" H 1000 6225 50  0000 C CNN
F 1 "Crystal_Small" H 1000 6134 50  0000 C CNN
F 2 "" H 1000 6000 50  0001 C CNN
F 3 "~" H 1000 6000 50  0001 C CNN
	1    1000 6000
	1    0    0    -1  
$EndComp
$Comp
L Device:Crystal Y?
U 1 1 635F019A
P 1000 6450
F 0 "Y?" H 1000 6718 50  0000 C CNN
F 1 "Crystal" H 1000 6627 50  0000 C CNN
F 2 "" H 1000 6450 50  0001 C CNN
F 3 "~" H 1000 6450 50  0001 C CNN
	1    1000 6450
	1    0    0    -1  
$EndComp
$Comp
L SamacSys_Parts:ATMEGA328-PU IC?
U 1 1 635F58F9
P 1300 4100
F 0 "IC?" H 2800 4365 50  0000 C CNN
F 1 "ATMEGA328-PU" H 2800 4274 50  0000 C CNN
F 2 "" H 4150 4200 50  0001 L CNN
F 3 "https://componentsearchengine.com/Datasheets/1/ATMEGA328-PU.pdf" H 4150 4100 50  0001 L CNN
	1    1300 4100
	1    0    0    -1  
$EndComp
Text GLabel 1300 4900 0    39   Input ~ 0
XTAL1
Text GLabel 1300 5000 0    39   Input ~ 0
XTAL2
$Comp
L power:+5V #PWR?
U 1 1 63603616
P 3000 2850
F 0 "#PWR?" H 3000 2700 50  0001 C CNN
F 1 "+5V" H 3015 3023 50  0000 C CNN
F 2 "" H 3000 2850 50  0001 C CNN
F 3 "" H 3000 2850 50  0001 C CNN
	1    3000 2850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 63604301
P 3000 3150
F 0 "#PWR?" H 3000 2900 50  0001 C CNN
F 1 "GND" H 3005 2977 50  0000 C CNN
F 2 "" H 3000 3150 50  0001 C CNN
F 3 "" H 3000 3150 50  0001 C CNN
	1    3000 3150
	1    0    0    -1  
$EndComp
$Comp
L Connector:Screw_Terminal_01x02 J?
U 1 1 6360527B
P 5900 3100
F 0 "J?" H 5980 3092 50  0000 L CNN
F 1 "Screw_Terminal_01x02" H 5980 3001 50  0000 L CNN
F 2 "" H 5900 3100 50  0001 C CNN
F 3 "~" H 5900 3100 50  0001 C CNN
	1    5900 3100
	1    0    0    -1  
$EndComp
$Comp
L SamacSys_Parts:MP2331HGTL-P IC?
U 1 1 63606D2D
P 3250 1100
F 0 "IC?" H 3750 1365 50  0000 C CNN
F 1 "MP2331HGTL-P" H 3750 1274 50  0000 C CNN
F 2 "MP2331HGTLP" H 4100 1200 50  0001 L CNN
F 3 "" H 4100 1100 50  0001 L CNN
F 4 "Switching Voltage Regulators High-Efficiency, 2A, 24V, 1200kHz, Synchronous, Step-Down Converter" H 4100 1000 50  0001 L CNN "Description"
F 5 "0.6" H 4100 900 50  0001 L CNN "Height"
F 6 "Monolithic Power Systems (MPS)" H 4100 800 50  0001 L CNN "Manufacturer_Name"
F 7 "MP2331HGTL-P" H 4100 700 50  0001 L CNN "Manufacturer_Part_Number"
F 8 "946-MP2331HGTL-P" H 4100 600 50  0001 L CNN "Mouser Part Number"
F 9 "https://www.mouser.co.uk/ProductDetail/Monolithic-Power-Systems-MPS/MP2331HGTL-P?qs=%252B6g0mu59x7Ij5sy9rXVbTg%3D%3D" H 4100 500 50  0001 L CNN "Mouser Price/Stock"
	1    3250 1100
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Schottky_Small D?
U 1 1 63609280
P 2200 1200
F 0 "D?" H 2200 1407 50  0000 C CNN
F 1 "D_Schottky_Small" H 2200 1316 50  0000 C CNN
F 2 "" V 2200 1200 50  0001 C CNN
F 3 "~" V 2200 1200 50  0001 C CNN
	1    2200 1200
	1    0    0    -1  
$EndComp
$EndSCHEMATC