EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L Connector:Conn_01x02_Female J3 U 1 1 5F78340D P 1000 4300 F 0 "J3" H 550 3900 50 0000 L CNN F 1 "Battery 7.2v" H 450 4650 50 0000 L CNN F 2 "Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical" H 1000 4300 50 0001 C CNN F 3 "~" H 1000 4300 50 0001 C CNN 1 1000 4300 -1 0 0 -1 $EndComp $Comp L power:+BATT #PWR014 U 1 1 5F784F44 P 1400 4250 F 0 "#PWR014" H 1400 4100 50 0001 C CNN F 1 "+BATT" H 1415 4423 50 0000 C CNN F 2 "" H 1400 4250 50 0001 C CNN F 3 "" H 1400 4250 50 0001 C CNN 1 1400 4250 -1 0 0 -1 $EndComp Wire Wire Line 1200 4300 1400 4300 Wire Wire Line 1400 4300 1400 4250 $Comp L power:+BATT #PWR022 U 1 1 5F81294D P 4125 6225 F 0 "#PWR022" H 4125 6075 50 0001 C CNN F 1 "+BATT" H 4140 6398 50 0000 C CNN F 2 "" H 4125 6225 50 0001 C CNN F 3 "" H 4125 6225 50 0001 C CNN 1 4125 6225 1 0 0 -1 $EndComp Wire Wire Line 4125 6225 4125 6425 $Comp L Device:R_Small R15 U 1 1 5F8174E9 P 4125 6525 F 0 "R15" H 4184 6571 50 0000 L CNN F 1 "261k" H 4184 6480 50 0000 L CNN F 2 "Resistor_SMD:R_0805_2012Metric" H 4125 6525 50 0001 C CNN F 3 "~" H 4125 6525 50 0001 C CNN 1 4125 6525 1 0 0 -1 $EndComp Wire Wire Line 4125 6625 4125 6725 $Comp L Device:R_Small R16 U 1 1 5F818807 P 4125 6875 F 0 "R16" H 4184 6921 50 0000 L CNN F 1 "100k" H 4184 6830 50 0000 L CNN F 2 "Resistor_SMD:R_0805_2012Metric" H 4125 6875 50 0001 C CNN F 3 "~" H 4125 6875 50 0001 C CNN 1 4125 6875 1 0 0 -1 $EndComp Wire Wire Line 4125 6975 4125 7125 $Comp L power:GND #PWR023 U 1 1 5F819AA1 P 4125 7125 F 0 "#PWR023" H 4125 6875 50 0001 C CNN F 1 "GND" H 4130 6952 50 0000 C CNN F 2 "" H 4125 7125 50 0001 C CNN F 3 "" H 4125 7125 50 0001 C CNN 1 4125 7125 1 0 0 -1 $EndComp Wire Wire Line 4125 6725 3875 6725 Connection ~ 4125 6725 Wire Wire Line 4125 6725 4125 6775 Text Label 3875 6725 2 50 ~ 0 VBattMeas Text Notes 3025 6625 0 50 ~ 0 2V @ 7.2V (Max Voltage) $Comp L Regulator_Linear:IFX27001TFV33 U6 U 1 1 5F88D7AD P 2025 5925 F 0 "U6" H 2025 6192 50 0000 C CNN F 1 "IFX27001TFV33" H 2025 6101 50 0000 C CNN F 2 "Package_TO_SOT_SMD:TO-252-3_TabPin2" H 2025 5875 50 0001 C CNN F 3 "https://static6.arrow.com/aropdfconversion/dc75757ae45a88e5f69bdce3f2a651a5fe0ca07d/ifx27001_ds_10.pdf" H 2025 5875 50 0001 C CNN 1 2025 5925 1 0 0 -1 $EndComp Wire Wire Line 1125 5925 1125 5875 $Comp L power:GND #PWR020 U 1 1 5F89BBF3 P 2025 6425 F 0 "#PWR020" H 2025 6175 50 0001 C CNN F 1 "GND" H 2030 6252 50 0000 C CNN F 2 "" H 2025 6425 50 0001 C CNN F 3 "" H 2025 6425 50 0001 C CNN 1 2025 6425 1 0 0 -1 $EndComp $Comp L Device:CP1_Small C21 U 1 1 5F8A1559 P 1425 6075 F 0 "C21" H 1516 6121 50 0000 L CNN F 1 "100nF" H 1516 6030 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric" H 1425 6075 50 0001 C CNN F 3 "~" H 1425 6075 50 0001 C CNN 1 1425 6075 1 0 0 -1 $EndComp Wire Wire Line 1425 5925 1425 5975 Wire Wire Line 1425 6175 1425 6275 $Comp L Device:CP1_Small C25 U 1 1 5F8A4FCD P 2625 6075 F 0 "C25" H 2716 6121 50 0000 L CNN F 1 "10uF" H 2716 6030 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric" H 2625 6075 50 0001 C CNN F 3 "~" H 2625 6075 50 0001 C CNN 1 2625 6075 1 0 0 -1 $EndComp Wire Wire Line 2025 6225 2025 6275 Wire Wire Line 1725 5925 1425 5925 Wire Wire Line 1425 5925 1125 5925 Connection ~ 1425 5925 Wire Wire Line 1425 6275 2025 6275 Connection ~ 2025 6275 Wire Wire Line 2025 6275 2025 6425 Wire Wire Line 2325 5925 2625 5925 Wire Wire Line 2825 5875 2825 5925 Wire Wire Line 2825 5925 2625 5925 Connection ~ 2625 5925 Wire Wire Line 2625 6275 2025 6275 Wire Wire Line 2625 5925 2625 5975 Wire Wire Line 2625 6275 2625 6175 Wire Wire Line 1100 2675 1500 2675 $Comp L Device:C_Small C22 U 1 1 5F8E6796 P 1500 2875 F 0 "C22" H 1300 2925 50 0000 L CNN F 1 "4.7nF" H 1200 2825 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric" H 1500 2875 50 0001 C CNN F 3 "~" H 1500 2875 50 0001 C CNN 1 1500 2875 1 0 0 -1 $EndComp $Comp L Device:C_Small C24 U 1 1 5F8E6C94 P 2350 2875 F 0 "C24" H 2442 2921 50 0000 L CNN F 1 "4.7nF" H 2442 2830 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric" H 2350 2875 50 0001 C CNN F 3 "~" H 2350 2875 50 0001 C CNN 1 2350 2875 1 0 0 -1 $EndComp Wire Wire Line 1500 2675 1700 2675 Connection ~ 1500 2675 $Comp L dk_Ferrite-Beads-and-Chips:BLM18PG471SN1D FB1 U 1 1 5F8EDEE3 P 1900 2675 F 0 "FB1" H 1900 2962 60 0000 C CNN F 1 "BLM18PG471SN1D" H 1900 2856 60 0000 C CNN F 2 "Inductor_SMD:L_0603_1608Metric" H 2100 2875 60 0001 L CNN F 3 "https://www.murata.com/en-us/products/productdata/8796738650142/ENFA0003.pdf" H 2100 2975 60 0001 L CNN F 4 "490-5223-1-ND" H 2100 3075 60 0001 L CNN "Digi-Key_PN" F 5 "BLM18PG471SN1D" H 2100 3175 60 0001 L CNN "MPN" F 6 "Filters" H 2100 3275 60 0001 L CNN "Category" F 7 "Ferrite Beads and Chips" H 2100 3375 60 0001 L CNN "Family" F 8 "https://www.murata.com/en-us/products/productdata/8796738650142/ENFA0003.pdf" H 2100 3475 60 0001 L CNN "DK_Datasheet_Link" F 9 "/product-detail/en/murata-electronics-north-america/BLM18PG471SN1D/490-5223-1-ND/1948399" H 2100 3575 60 0001 L CNN "DK_Detail_Page" F 10 "FERRITE BEAD 470 OHM 0603 1LN" H 2100 3675 60 0001 L CNN "Description" F 11 "Murata Electronics North America" H 2100 3775 60 0001 L CNN "Manufacturer" F 12 "Active" H 2100 3875 60 0001 L CNN "Status" 1 1900 2675 1 0 0 -1 $EndComp Wire Wire Line 2100 2675 2350 2675 $Comp L Device:Ferrite_Bead_Small FB2 U 1 1 5F8FCEB5 P 2750 2675 F 0 "FB2" V 2513 2675 50 0000 C CNN F 1 "MF-MSMF050-2" V 2604 2675 50 0000 C CNN F 2 "Fuse:Fuse_1812_4532Metric" V 2680 2675 50 0001 C CNN F 3 "~" H 2750 2675 50 0001 C CNN 1 2750 2675 0 1 1 0 $EndComp Wire Wire Line 1500 2675 1500 2775 Wire Wire Line 2350 2675 2350 2775 Wire Wire Line 2350 2675 2650 2675 Connection ~ 2350 2675 Wire Wire Line 2850 2675 3050 2675 Text Label 3050 2675 0 50 ~ 0 VBUS_USB Wire Wire Line 1500 2975 1900 2975 Wire Wire Line 1900 2975 1900 3125 Connection ~ 1900 2975 Wire Wire Line 1900 2975 2350 2975 $Comp L power:GND #PWR019 U 1 1 5F91ABB4 P 1900 3125 F 0 "#PWR019" H 1900 2875 50 0001 C CNN F 1 "GND" H 1905 2952 50 0000 C CNN F 2 "" H 1900 3125 50 0001 C CNN F 3 "" H 1900 3125 50 0001 C CNN 1 1900 3125 1 0 0 -1 $EndComp $Comp L Device:LED D2 U 1 1 5F9ABBEC P 4525 6775 F 0 "D2" V 4564 6657 50 0000 R CNN F 1 "LED" V 4473 6657 50 0000 R CNN F 2 "LED_SMD:LED_0805_2012Metric" H 4525 6775 50 0001 C CNN F 3 "~" H 4525 6775 50 0001 C CNN 1 4525 6775 0 -1 -1 0 $EndComp $Comp L power:+3V3 #PWR024 U 1 1 5F9BBB98 P 4525 6125 F 0 "#PWR024" H 4525 5975 50 0001 C CNN F 1 "+3V3" H 4540 6298 50 0000 C CNN F 2 "" H 4525 6125 50 0001 C CNN F 3 "" H 4525 6125 50 0001 C CNN 1 4525 6125 1 0 0 -1 $EndComp Wire Wire Line 4525 6925 4525 7175 $Comp L power:GND #PWR025 U 1 1 5F9C5964 P 4525 7175 F 0 "#PWR025" H 4525 6925 50 0001 C CNN F 1 "GND" H 4530 7002 50 0000 C CNN F 2 "" H 4525 7175 50 0001 C CNN F 3 "" H 4525 7175 50 0001 C CNN 1 4525 7175 1 0 0 -1 $EndComp $Comp L power:+3V3 #PWR027 U 1 1 5FA7DECE P 5025 5675 F 0 "#PWR027" H 5025 5525 50 0001 C CNN F 1 "+3V3" H 5040 5848 50 0000 C CNN F 2 "" H 5025 5675 50 0001 C CNN F 3 "" H 5025 5675 50 0001 C CNN 1 5025 5675 1 0 0 -1 $EndComp $Comp L Device:Thermistor_NTC TH1 U 1 1 5FA83037 P 5025 6775 F 0 "TH1" H 5123 6821 50 0000 L CNN F 1 "25C@10k" H 5123 6730 50 0000 L CNN F 2 "Resistor_SMD:R_0805_2012Metric" H 5025 6825 50 0001 C CNN F 3 "~" H 5025 6825 50 0001 C CNN 1 5025 6775 1 0 0 -1 $EndComp $Comp L Device:R_Small R18 U 1 1 5FA890AC P 5025 6225 F 0 "R18" H 5084 6271 50 0000 L CNN F 1 "10k" H 5084 6180 50 0000 L CNN F 2 "Resistor_SMD:R_0805_2012Metric" H 5025 6225 50 0001 C CNN F 3 "~" H 5025 6225 50 0001 C CNN 1 5025 6225 1 0 0 -1 $EndComp Wire Wire Line 5025 6125 5025 5675 Wire Wire Line 5025 6325 5025 6475 Wire Wire Line 5025 6925 5025 7175 $Comp L power:GND #PWR028 U 1 1 5FA93BCE P 5025 7175 F 0 "#PWR028" H 5025 6925 50 0001 C CNN F 1 "GND" H 5030 7002 50 0000 C CNN F 2 "" H 5025 7175 50 0001 C CNN F 3 "" H 5025 7175 50 0001 C CNN 1 5025 7175 1 0 0 -1 $EndComp Wire Wire Line 5025 6475 5225 6475 Connection ~ 5025 6475 Wire Wire Line 5025 6475 5025 6625 Text Label 5225 6475 0 50 ~ 0 SysTempMeasure $Comp L power:+5V #PWR013 U 1 1 5F898941 P 1125 5875 F 0 "#PWR013" H 1125 5725 50 0001 C CNN F 1 "+5V" H 1140 6048 50 0000 C CNN F 2 "" H 1125 5875 50 0001 C CNN F 3 "" H 1125 5875 50 0001 C CNN 1 1125 5875 1 0 0 -1 $EndComp $Comp L power:+3V3 #PWR021 U 1 1 5FAFF775 P 2825 5875 F 0 "#PWR021" H 2825 5725 50 0001 C CNN F 1 "+3V3" H 2840 6048 50 0000 C CNN F 2 "" H 2825 5875 50 0001 C CNN F 3 "" H 2825 5875 50 0001 C CNN 1 2825 5875 1 0 0 -1 $EndComp $Comp L Device:R_Small R17 U 1 1 5FB93814 P 4525 6375 F 0 "R17" H 4584 6421 50 0000 L CNN F 1 "1k" H 4584 6330 50 0000 L CNN F 2 "Resistor_SMD:R_0805_2012Metric" H 4525 6375 50 0001 C CNN F 3 "~" H 4525 6375 50 0001 C CNN 1 4525 6375 1 0 0 -1 $EndComp Wire Wire Line 4525 6275 4525 6125 Wire Wire Line 4525 6475 4525 6625 $Comp L power:GND #PWR015 U 1 1 5FBD94F3 P 1700 4450 F 0 "#PWR015" H 1700 4200 50 0001 C CNN F 1 "GND" H 1705 4277 50 0000 C CNN F 2 "" H 1700 4450 50 0001 C CNN F 3 "" H 1700 4450 50 0001 C CNN 1 1700 4450 1 0 0 -1 $EndComp Wire Wire Line 1200 4400 1400 4400 Wire Wire Line 1400 4400 1400 4450 Wire Wire Line 6775 1800 6775 1950 Wire Wire Line 7425 1500 7425 1350 $Comp L power:+5V #PWR033 U 1 1 5FA58C5B P 7425 1350 F 0 "#PWR033" H 7425 1200 50 0001 C CNN F 1 "+5V" H 7440 1523 50 0000 C CNN F 2 "" H 7425 1350 50 0001 C CNN F 3 "" H 7425 1350 50 0001 C CNN 1 7425 1350 1 0 0 -1 $EndComp Connection ~ 7025 1500 Wire Wire Line 7025 1500 7425 1500 $Comp L power:GND #PWR032 U 1 1 5FA4AFFB P 6775 1950 F 0 "#PWR032" H 6775 1700 50 0001 C CNN F 1 "GND" H 6780 1777 50 0000 C CNN F 2 "" H 6775 1950 50 0001 C CNN F 3 "" H 6775 1950 50 0001 C CNN 1 6775 1950 1 0 0 -1 $EndComp Wire Wire Line 6775 1800 6475 1800 Connection ~ 6775 1800 Wire Wire Line 6475 1800 6475 1700 Wire Wire Line 7025 1800 6775 1800 Wire Wire Line 7025 1700 7025 1800 Connection ~ 6475 1500 Wire Wire Line 6475 1500 7025 1500 $Comp L Device:CP_Small C32 U 1 1 5FA3C09D P 7025 1600 F 0 "C32" H 7113 1646 50 0000 L CNN F 1 "1uF" H 7113 1555 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric" H 7025 1600 50 0001 C CNN F 3 "~" H 7025 1600 50 0001 C CNN 1 7025 1600 1 0 0 -1 $EndComp $Comp L Device:C_Small C30 U 1 1 5FA39241 P 6475 1600 F 0 "C30" H 6567 1646 50 0000 L CNN F 1 "100nF" H 6567 1555 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric" H 6475 1600 50 0001 C CNN F 3 "~" H 6475 1600 50 0001 C CNN 1 6475 1600 1 0 0 -1 $EndComp Wire Wire Line 6025 1500 6025 2000 Connection ~ 6025 1500 Wire Wire Line 6025 1500 6475 1500 Text Label 3825 1000 2 50 ~ 0 VBUS_BATT Connection ~ 4075 1000 Wire Wire Line 4075 1000 3825 1000 Connection ~ 4075 2000 Wire Wire Line 3875 2000 4075 2000 Text Label 3875 2000 2 50 ~ 0 VBUS_USB $Comp L power:GND #PWR029 U 1 1 5F980E32 P 4075 1400 F 0 "#PWR029" H 4075 1150 50 0001 C CNN F 1 "GND" H 4080 1227 50 0000 C CNN F 2 "" H 4075 1400 50 0001 C CNN F 3 "" H 4075 1400 50 0001 C CNN 1 4075 1400 1 0 0 -1 $EndComp Wire Wire Line 4075 1300 4075 1400 $Comp L Device:R_Small R19 U 1 1 5F97D126 P 4075 1200 F 0 "R19" H 4134 1246 50 0000 L CNN F 1 "100k" H 4134 1155 50 0000 L CNN F 2 "Resistor_SMD:R_0805_2012Metric" H 4075 1200 50 0001 C CNN F 3 "~" H 4075 1200 50 0001 C CNN 1 4075 1200 1 0 0 -1 $EndComp Wire Wire Line 4075 1000 4075 1100 Wire Wire Line 4575 1000 4075 1000 Wire Wire Line 6025 2000 5825 2000 Wire Wire Line 6025 1000 6025 1500 Wire Wire Line 5825 1000 6025 1000 Wire Wire Line 4075 2650 4075 2700 $Comp L power:GND #PWR030 U 1 1 5F96FBB3 P 4075 2700 F 0 "#PWR030" H 4075 2450 50 0001 C CNN F 1 "GND" H 4080 2527 50 0000 C CNN F 2 "" H 4075 2700 50 0001 C CNN F 3 "" H 4075 2700 50 0001 C CNN 1 4075 2700 1 0 0 -1 $EndComp Wire Wire Line 4075 2000 4075 2450 $Comp L Device:R_Small R20 U 1 1 5F9699F8 P 4075 2550 F 0 "R20" H 4134 2596 50 0000 L CNN F 1 "100k" H 4134 2505 50 0000 L CNN F 2 "Resistor_SMD:R_0805_2012Metric" H 4075 2550 50 0001 C CNN F 3 "~" H 4075 2550 50 0001 C CNN 1 4075 2550 1 0 0 -1 $EndComp Wire Wire Line 4075 2000 4275 2000 Connection ~ 4675 1450 Connection ~ 4275 2000 Wire Wire Line 4275 1450 4675 1450 Wire Wire Line 4275 2000 4275 1450 Wire Wire Line 4575 2000 4275 2000 Wire Wire Line 4675 1450 4675 1300 Wire Wire Line 5725 1450 4675 1450 Wire Wire Line 5725 1300 5725 1450 Wire Wire Line 5225 1000 5425 1000 Connection ~ 5225 1000 Wire Wire Line 5225 2400 5225 1000 $Comp L power:GND #PWR031 U 1 1 5F956E2C P 5225 2700 F 0 "#PWR031" H 5225 2450 50 0001 C CNN F 1 "GND" H 5230 2527 50 0000 C CNN F 2 "" H 5225 2700 50 0001 C CNN F 3 "" H 5225 2700 50 0001 C CNN 1 5225 2700 1 0 0 -1 $EndComp Wire Wire Line 5225 2650 5225 2700 $Comp L Device:R_Small R22 U 1 1 5F954132 P 5225 2550 F 0 "R22" H 5284 2596 50 0000 L CNN F 1 "100k" H 5284 2505 50 0000 L CNN F 2 "Resistor_SMD:R_0805_2012Metric" H 5225 2550 50 0001 C CNN F 3 "~" H 5225 2550 50 0001 C CNN 1 5225 2550 1 0 0 -1 $EndComp Wire Wire Line 5225 2400 5725 2400 Connection ~ 5225 2400 Wire Wire Line 5225 2400 5225 2450 Wire Wire Line 5725 2400 5725 2300 Wire Wire Line 4675 2400 5225 2400 Wire Wire Line 4675 2300 4675 2400 $Comp L dk_Transistors-FETs-MOSFETs-Single:IRLML6402TRPBF Q4 U 1 1 5F93CCED P 5625 2000 F 0 "Q4" V 5892 2000 60 0000 C CNN F 1 "IRLML6402TRPBF" V 5786 2000 60 0000 C CNN F 2 "digikey-footprints:SOT-23-3" H 5825 2200 60 0001 L CNN F 3 "https://www.infineon.com/dgdl/irlml6402pbf.pdf?fileId=5546d462533600a401535668d5c2263c" H 5825 2300 60 0001 L CNN F 4 "IRLML6402PBFCT-ND" H 5825 2400 60 0001 L CNN "Digi-Key_PN" F 5 "IRLML6402TRPBF" H 5825 2500 60 0001 L CNN "MPN" F 6 "Discrete Semiconductor Products" H 5825 2600 60 0001 L CNN "Category" F 7 "Transistors - FETs, MOSFETs - Single" H 5825 2700 60 0001 L CNN "Family" F 8 "https://www.infineon.com/dgdl/irlml6402pbf.pdf?fileId=5546d462533600a401535668d5c2263c" H 5825 2800 60 0001 L CNN "DK_Datasheet_Link" F 9 "/product-detail/en/infineon-technologies/IRLML6402TRPBF/IRLML6402PBFCT-ND/812500" H 5825 2900 60 0001 L CNN "DK_Detail_Page" F 10 "MOSFET P-CH 20V 3.7A SOT-23" H 5825 3000 60 0001 L CNN "Description" F 11 "Infineon Technologies" H 5825 3100 60 0001 L CNN "Manufacturer" F 12 "Active" H 5825 3200 60 0001 L CNN "Status" 1 5625 2000 0 -1 -1 0 $EndComp $Comp L dk_Transistors-FETs-MOSFETs-Single:IRLML6402TRPBF Q2 U 1 1 5F93CD00 P 4775 2000 F 0 "Q2" V 5042 2000 60 0000 C CNN F 1 "IRLML6402TRPBF" V 4936 2000 60 0000 C CNN F 2 "digikey-footprints:SOT-23-3" H 4975 2200 60 0001 L CNN F 3 "https://www.infineon.com/dgdl/irlml6402pbf.pdf?fileId=5546d462533600a401535668d5c2263c" H 4975 2300 60 0001 L CNN F 4 "IRLML6402PBFCT-ND" H 4975 2400 60 0001 L CNN "Digi-Key_PN" F 5 "IRLML6402TRPBF" H 4975 2500 60 0001 L CNN "MPN" F 6 "Discrete Semiconductor Products" H 4975 2600 60 0001 L CNN "Category" F 7 "Transistors - FETs, MOSFETs - Single" H 4975 2700 60 0001 L CNN "Family" F 8 "https://www.infineon.com/dgdl/irlml6402pbf.pdf?fileId=5546d462533600a401535668d5c2263c" H 4975 2800 60 0001 L CNN "DK_Datasheet_Link" F 9 "/product-detail/en/infineon-technologies/IRLML6402TRPBF/IRLML6402PBFCT-ND/812500" H 4975 2900 60 0001 L CNN "DK_Detail_Page" F 10 "MOSFET P-CH 20V 3.7A SOT-23" H 4975 3000 60 0001 L CNN "Description" F 11 "Infineon Technologies" H 4975 3100 60 0001 L CNN "Manufacturer" F 12 "Active" H 4975 3200 60 0001 L CNN "Status" 1 4775 2000 0 1 -1 0 $EndComp Wire Wire Line 4975 2000 5425 2000 Wire Wire Line 4975 1000 5225 1000 $Comp L dk_Transistors-FETs-MOSFETs-Single:IRLML6402TRPBF Q1 U 1 1 5F8D2DFF P 4775 1000 F 0 "Q1" V 5042 1000 60 0000 C CNN F 1 "IRLML6402TRPBF" V 4936 1000 60 0000 C CNN F 2 "digikey-footprints:SOT-23-3" H 4975 1200 60 0001 L CNN F 3 "https://www.infineon.com/dgdl/irlml6402pbf.pdf?fileId=5546d462533600a401535668d5c2263c" H 4975 1300 60 0001 L CNN F 4 "IRLML6402PBFCT-ND" H 4975 1400 60 0001 L CNN "Digi-Key_PN" F 5 "IRLML6402TRPBF" H 4975 1500 60 0001 L CNN "MPN" F 6 "Discrete Semiconductor Products" H 4975 1600 60 0001 L CNN "Category" F 7 "Transistors - FETs, MOSFETs - Single" H 4975 1700 60 0001 L CNN "Family" F 8 "https://www.infineon.com/dgdl/irlml6402pbf.pdf?fileId=5546d462533600a401535668d5c2263c" H 4975 1800 60 0001 L CNN "DK_Datasheet_Link" F 9 "/product-detail/en/infineon-technologies/IRLML6402TRPBF/IRLML6402PBFCT-ND/812500" H 4975 1900 60 0001 L CNN "DK_Detail_Page" F 10 "MOSFET P-CH 20V 3.7A SOT-23" H 4975 2000 60 0001 L CNN "Description" F 11 "Infineon Technologies" H 4975 2100 60 0001 L CNN "Manufacturer" F 12 "Active" H 4975 2200 60 0001 L CNN "Status" 1 4775 1000 0 1 -1 0 $EndComp $Comp L dk_Transistors-FETs-MOSFETs-Single:IRLML6402TRPBF Q3 U 1 1 5F8C606E P 5625 1000 F 0 "Q3" V 5892 1000 60 0000 C CNN F 1 "IRLML6402TRPBF" V 5786 1000 60 0000 C CNN F 2 "digikey-footprints:SOT-23-3" H 5825 1200 60 0001 L CNN F 3 "https://www.infineon.com/dgdl/irlml6402pbf.pdf?fileId=5546d462533600a401535668d5c2263c" H 5825 1300 60 0001 L CNN F 4 "IRLML6402PBFCT-ND" H 5825 1400 60 0001 L CNN "Digi-Key_PN" F 5 "IRLML6402TRPBF" H 5825 1500 60 0001 L CNN "MPN" F 6 "Discrete Semiconductor Products" H 5825 1600 60 0001 L CNN "Category" F 7 "Transistors - FETs, MOSFETs - Single" H 5825 1700 60 0001 L CNN "Family" F 8 "https://www.infineon.com/dgdl/irlml6402pbf.pdf?fileId=5546d462533600a401535668d5c2263c" H 5825 1800 60 0001 L CNN "DK_Datasheet_Link" F 9 "/product-detail/en/infineon-technologies/IRLML6402TRPBF/IRLML6402PBFCT-ND/812500" H 5825 1900 60 0001 L CNN "DK_Detail_Page" F 10 "MOSFET P-CH 20V 3.7A SOT-23" H 5825 2000 60 0001 L CNN "Description" F 11 "Infineon Technologies" H 5825 2100 60 0001 L CNN "Manufacturer" F 12 "Active" H 5825 2200 60 0001 L CNN "Status" 1 5625 1000 0 -1 -1 0 $EndComp $Comp L power:+BATT #PWR018 U 1 1 5FD77B2A P 1875 4000 F 0 "#PWR018" H 1875 3850 50 0001 C CNN F 1 "+BATT" H 1890 4173 50 0000 C CNN F 2 "" H 1875 4000 50 0001 C CNN F 3 "" H 1875 4000 50 0001 C CNN 1 1875 4000 -1 0 0 -1 $EndComp $Comp L Device:C_Small C23 U 1 1 5FD7BD52 P 2300 4100 F 0 "C23" H 2392 4146 50 0000 L CNN F 1 "10uF/4mOhm" H 2392 4055 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric" H 2300 4100 50 0001 C CNN F 3 "~" H 2300 4100 50 0001 C CNN 1 2300 4100 1 0 0 -1 $EndComp $Comp L Device:C_Small C26 U 1 1 5FD7CCAF P 3025 4100 F 0 "C26" H 3117 4146 50 0000 L CNN F 1 "10uF/4mOhm" H 3117 4055 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric" H 3025 4100 50 0001 C CNN F 3 "~" H 3025 4100 50 0001 C CNN 1 3025 4100 1 0 0 -1 $EndComp Wire Wire Line 1875 4000 2300 4000 Wire Wire Line 2300 4000 3025 4000 Connection ~ 2300 4000 $Comp L Device:C_Small C27 U 1 1 5FD842BB P 3725 4100 F 0 "C27" H 3817 4146 50 0000 L CNN F 1 "100nF/64mOhm" H 3817 4055 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric" H 3725 4100 50 0001 C CNN F 3 "~" H 3725 4100 50 0001 C CNN 1 3725 4100 1 0 0 -1 $EndComp Wire Wire Line 3025 4000 3725 4000 Connection ~ 3025 4000 $Comp L Regulator_Switching:TPS56339DDC U7 U 1 1 5FD8E5A4 P 5000 4100 F 0 "U7" H 5000 4467 50 0000 C CNN F 1 "TPS56339DDC" H 5000 4376 50 0000 C CNN F 2 "Package_TO_SOT_SMD:SOT-23-6" H 5050 3850 50 0001 L CNN F 3 "https://www.ti.com/lit/ds/symlink/tps56339.pdf" H 5000 4100 50 0001 C CNN 1 5000 4100 1 0 0 -1 $EndComp Wire Wire Line 3725 4000 4600 4000 Connection ~ 3725 4000 NoConn ~ 4600 4200 Wire Wire Line 5000 4400 5000 4575 $Comp L power:GND #PWR026 U 1 1 5FDA82CD P 5000 4775 F 0 "#PWR026" H 5000 4525 50 0001 C CNN F 1 "GND" H 5005 4602 50 0000 C CNN F 2 "" H 5000 4775 50 0001 C CNN F 3 "" H 5000 4775 50 0001 C CNN 1 5000 4775 1 0 0 -1 $EndComp Wire Wire Line 2300 4200 2300 4400 Wire Wire Line 2300 4400 3025 4400 Wire Wire Line 3025 4400 3025 4200 Wire Wire Line 3025 4400 3725 4400 Wire Wire Line 3725 4400 3725 4200 Connection ~ 3025 4400 Wire Wire Line 3725 4400 4575 4400 Wire Wire Line 4575 4400 4575 4575 Wire Wire Line 4575 4575 5000 4575 Connection ~ 3725 4400 Connection ~ 5000 4575 Wire Wire Line 5000 4575 5000 4775 Wire Wire Line 5400 4100 5750 4100 $Comp L Device:R_Small R21 U 1 1 5FDB63C4 P 5850 4100 F 0 "R21" V 6000 4100 50 0000 C CNN F 1 "30R" V 5925 4100 50 0000 C CNN F 2 "Resistor_SMD:R_0805_2012Metric" H 5850 4100 50 0001 C CNN F 3 "~" H 5850 4100 50 0001 C CNN 1 5850 4100 0 -1 -1 0 $EndComp $Comp L Device:C_Small C28 U 1 1 5FDBB114 P 6425 4100 F 0 "C28" V 6675 4100 50 0000 C CNN F 1 "100nF/64mOhm" V 6575 4100 50 0000 C CNN F 2 "Capacitor_SMD:C_0805_2012Metric" H 6425 4100 50 0001 C CNN F 3 "~" H 6425 4100 50 0001 C CNN 1 6425 4100 0 -1 -1 0 $EndComp Wire Wire Line 5950 4100 6325 4100 Wire Wire Line 5400 4000 5600 4000 Wire Wire Line 5600 4000 5600 3575 $Comp L Device:L_Small L2 U 1 1 5FDC3D61 P 6875 3575 F 0 "L2" V 7060 3575 50 0000 C CNN F 1 "5.6uH/15mOhm" V 6969 3575 50 0000 C CNN F 2 "plib:SDR1307-5R6ML" H 6875 3575 50 0001 C CNN F 3 "~" H 6875 3575 50 0001 C CNN 1 6875 3575 0 -1 -1 0 $EndComp Wire Wire Line 6525 4100 6750 4100 Wire Wire Line 5600 3575 6750 3575 Wire Wire Line 6750 3575 6750 4100 Connection ~ 6750 3575 Wire Wire Line 6750 3575 6775 3575 Wire Wire Line 6975 3575 7275 3575 $Comp L Device:R_Small R23 U 1 1 5FDDC281 P 7275 3750 F 0 "R23" H 7334 3796 50 0000 L CNN F 1 "52.3k" H 7334 3705 50 0000 L CNN F 2 "Resistor_SMD:R_0805_2012Metric" H 7275 3750 50 0001 C CNN F 3 "~" H 7275 3750 50 0001 C CNN 1 7275 3750 1 0 0 -1 $EndComp Wire Wire Line 7275 3575 7275 3650 Wire Wire Line 7275 3850 7275 4200 Wire Wire Line 7275 4200 7275 4325 Connection ~ 7275 4200 $Comp L Device:R_Small R24 U 1 1 5FDEAD84 P 7275 4425 F 0 "R24" H 7334 4471 50 0000 L CNN F 1 "10k" H 7334 4380 50 0000 L CNN F 2 "Resistor_SMD:R_0805_2012Metric" H 7275 4425 50 0001 C CNN F 3 "~" H 7275 4425 50 0001 C CNN 1 7275 4425 1 0 0 -1 $EndComp Wire Wire Line 7275 4525 7275 4575 Wire Wire Line 7275 4575 5000 4575 $Comp L Device:C_Small C29 U 1 1 5FE1C228 P 7825 3750 F 0 "C29" H 7917 3796 50 0000 L CNN F 1 "22uF/1mOhm" H 7917 3705 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric" H 7825 3750 50 0001 C CNN F 3 "~" H 7825 3750 50 0001 C CNN 1 7825 3750 1 0 0 -1 $EndComp Wire Wire Line 7275 3575 7825 3575 Wire Wire Line 7825 3575 7825 3650 Connection ~ 7275 3575 Wire Wire Line 7825 3850 7825 4575 Wire Wire Line 7825 4575 7275 4575 Connection ~ 7275 4575 $Comp L Device:C_Small C31 U 1 1 5FE27F3E P 8550 3775 F 0 "C31" H 8642 3821 50 0000 L CNN F 1 "22uF/1mOhm" H 8642 3730 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric" H 8550 3775 50 0001 C CNN F 3 "~" H 8550 3775 50 0001 C CNN 1 8550 3775 1 0 0 -1 $EndComp Wire Wire Line 7825 3575 8550 3575 Wire Wire Line 8550 3575 8550 3675 Connection ~ 7825 3575 Wire Wire Line 8550 3875 8550 4575 Wire Wire Line 8550 4575 7825 4575 Connection ~ 7825 4575 Wire Wire Line 8550 3575 9325 3575 Wire Wire Line 9325 3575 9325 3800 Connection ~ 8550 3575 $Comp L Device:R_Small R25 U 1 1 5FE33AC6 P 9325 3900 F 0 "R25" H 9384 3946 50 0000 L CNN F 1 "100k" H 9384 3855 50 0000 L CNN F 2 "Resistor_SMD:R_0805_2012Metric" H 9325 3900 50 0001 C CNN F 3 "~" H 9325 3900 50 0001 C CNN 1 9325 3900 1 0 0 -1 $EndComp Wire Wire Line 9325 4000 9325 4575 Wire Wire Line 9325 4575 8550 4575 Connection ~ 8550 4575 Text Label 9525 3575 0 50 ~ 0 VBUS_BATT Wire Wire Line 9325 3575 9525 3575 Connection ~ 9325 3575 Wire Wire Line 5400 4200 7275 4200 $Comp L Connector_Generic:Conn_02x04_Odd_Even J? U 1 1 6043A1DF P 1600 875 F 0 "J?" H 1650 1192 50 0000 C CNN F 1 "CONN_PWR" H 1650 1101 50 0000 C CNN F 2 "" H 1600 875 50 0001 C CNN F 3 "~" H 1600 875 50 0001 C CNN 1 1600 875 1 0 0 -1 $EndComp $Comp L Connector_Generic:Conn_02x04_Odd_Even J? U 1 1 6043CF68 P 1625 1675 F 0 "J?" H 1675 1992 50 0000 C CNN F 1 "CONN_SIG" H 1675 1901 50 0000 C CNN F 2 "" H 1625 1675 50 0001 C CNN F 3 "~" H 1625 1675 50 0001 C CNN 1 1625 1675 1 0 0 -1 $EndComp $Comp L power:-BATT #PWR? U 1 1 6044EA76 P 1400 4450 F 0 "#PWR?" H 1400 4300 50 0001 C CNN F 1 "-BATT" H 1415 4623 50 0000 C CNN F 2 "" H 1400 4450 50 0001 C CNN F 3 "" H 1400 4450 50 0001 C CNN 1 1400 4450 -1 0 0 1 $EndComp Wire Wire Line 1400 4400 1700 4400 Wire Wire Line 1700 4400 1700 4450 Connection ~ 1400 4400 Text Label 1100 2675 2 50 ~ 0 VUSB_RAW $Comp L power:GND #PWR? U 1 1 6047FD1B P 875 1150 F 0 "#PWR?" H 875 900 50 0001 C CNN F 1 "GND" H 880 977 50 0000 C CNN F 2 "" H 875 1150 50 0001 C CNN F 3 "" H 875 1150 50 0001 C CNN 1 875 1150 1 0 0 -1 $EndComp Connection ~ 875 1075 Wire Wire Line 875 1075 875 1150 Wire Wire Line 875 775 1400 775 Wire Wire Line 875 1075 875 775 Wire Wire Line 1400 1075 875 1075 $Comp L power:GND #PWR? U 1 1 604C56D7 P 900 1950 F 0 "#PWR?" H 900 1700 50 0001 C CNN F 1 "GND" H 905 1777 50 0000 C CNN F 2 "" H 900 1950 50 0001 C CNN F 3 "" H 900 1950 50 0001 C CNN 1 900 1950 1 0 0 -1 $EndComp Connection ~ 900 1875 Wire Wire Line 900 1875 900 1950 Wire Wire Line 900 1575 1425 1575 Wire Wire Line 900 1875 900 1575 Wire Wire Line 1425 1875 900 1875 $Comp L power:GND #PWR? U 1 1 604CDE51 P 2450 1950 F 0 "#PWR?" H 2450 1700 50 0001 C CNN F 1 "GND" H 2455 1777 50 0000 C CNN F 2 "" H 2450 1950 50 0001 C CNN F 3 "" H 2450 1950 50 0001 C CNN 1 2450 1950 1 0 0 -1 $EndComp Wire Wire Line 2450 1875 2450 1950 Wire Wire Line 2450 1875 1925 1875 Wire Wire Line 2450 1575 2450 1875 Wire Wire Line 1925 1575 2450 1575 Connection ~ 2450 1875 $Comp L power:GND #PWR? U 1 1 604E1054 P 2425 1150 F 0 "#PWR?" H 2425 900 50 0001 C CNN F 1 "GND" H 2430 977 50 0000 C CNN F 2 "" H 2425 1150 50 0001 C CNN F 3 "" H 2425 1150 50 0001 C CNN 1 2425 1150 1 0 0 -1 $EndComp Wire Wire Line 2425 1075 2425 1150 Wire Wire Line 2425 1075 1900 1075 Wire Wire Line 2425 775 2425 1075 Wire Wire Line 1900 775 2425 775 Connection ~ 2425 1075 $EndSCHEMATC