EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 3 3 Title "MAX80" Date "2021-01-31" Rev "0.01" Comp "No Name" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L power:+3.3V #PWR018 U 1 1 5CC6327A P 6050 2500 F 0 "#PWR018" H 6050 2350 50 0001 C CNN F 1 "+3.3V" H 6065 2673 50 0000 C CNN F 2 "" H 6050 2500 50 0001 C CNN F 3 "" H 6050 2500 50 0001 C CNN 1 6050 2500 1 0 0 -1 $EndComp Wire Wire Line 5950 2550 5950 2600 Wire Wire Line 5950 2550 6050 2550 Wire Wire Line 6050 2550 6050 2500 Connection ~ 5950 2550 NoConn ~ 6350 2600 NoConn ~ 6450 4100 NoConn ~ 6450 4200 NoConn ~ 6450 4400 NoConn ~ 6450 4500 $Comp L power:GND #PWR016 U 1 1 5CC8B39C P 5250 2400 F 0 "#PWR016" H 5250 2150 50 0001 C CNN F 1 "GND" H 5255 2227 50 0000 C CNN F 2 "" H 5250 2400 50 0001 C CNN F 3 "" H 5250 2400 50 0001 C CNN 1 5250 2400 1 0 0 -1 $EndComp $Comp L power:GND #PWR012 U 1 1 610EE856 P 4300 3700 F 0 "#PWR012" H 4300 3450 50 0001 C CNN F 1 "GND" H 4305 3527 50 0000 C CNN F 2 "" H 4300 3700 50 0001 C CNN F 3 "" H 4300 3700 50 0001 C CNN 1 4300 3700 1 0 0 -1 $EndComp NoConn ~ 6450 4600 $Comp L power:GND #PWR011 U 1 1 610EE854 P 3550 4000 F 0 "#PWR011" H 3550 3750 50 0001 C CNN F 1 "GND" H 3555 3827 50 0000 C CNN F 2 "" H 3550 4000 50 0001 C CNN F 3 "" H 3550 4000 50 0001 C CNN 1 3550 4000 1 0 0 -1 $EndComp Wire Wire Line 3550 2700 3550 3000 Wire Wire Line 3450 2800 3450 3700 Connection ~ 3450 2800 Connection ~ 3550 3800 Wire Wire Line 4650 2800 4650 3100 Wire Wire Line 4650 3100 4850 3100 Wire Wire Line 3050 2700 3550 2700 Wire Wire Line 3050 2800 3450 2800 Wire Wire Line 3050 3700 3450 3700 Wire Wire Line 3050 3800 3550 3800 Wire Wire Line 3050 3000 3100 3000 Wire Wire Line 3050 3600 3100 3600 Wire Wire Line 3400 3000 3550 3000 Connection ~ 3550 3000 Wire Wire Line 3550 3000 3550 3600 Wire Wire Line 3400 3600 3550 3600 Connection ~ 3550 3600 Wire Wire Line 3550 3600 3550 3800 NoConn ~ 3050 2900 NoConn ~ 3050 3100 NoConn ~ 3050 3400 NoConn ~ 3050 3500 Wire Wire Line 5850 2600 5850 2550 Wire Wire Line 5850 2550 5950 2550 Wire Wire Line 5450 3100 5450 3200 Wire Wire Line 5300 3200 5300 3300 Wire Wire Line 5300 3300 5450 3300 $Comp L power:GND #PWR017 U 1 1 5E671D3E P 5950 5300 F 0 "#PWR017" H 5950 5050 50 0001 C CNN F 1 "GND" H 5955 5127 50 0000 C CNN F 2 "" H 5950 5300 50 0001 C CNN F 3 "" H 5950 5300 50 0001 C CNN 1 5950 5300 1 0 0 -1 $EndComp Wire Wire Line 5950 5200 5950 5300 Wire Wire Line 6450 3100 6550 3100 Wire Wire Line 6450 3000 6550 3000 Wire Wire Line 5450 3000 5450 2900 Wire Wire Line 5450 2600 5350 2600 Wire Wire Line 5350 2600 5350 3100 Connection ~ 5350 3100 Wire Wire Line 5350 3100 5450 3100 NoConn ~ 6450 2800 NoConn ~ 6450 3200 NoConn ~ 6450 3400 NoConn ~ 6450 3500 NoConn ~ 6450 3700 NoConn ~ 6450 3800 NoConn ~ 6450 4000 NoConn ~ 6450 4700 NoConn ~ 6450 4800 NoConn ~ 6450 4900 NoConn ~ 6450 5000 $Comp L Interface_USB:CP2102N-A01-GQFN28 U10 U 1 1 5E5D03C7 P 5950 3900 F 0 "U10" H 5400 2800 50 0000 C CNN F 1 "CP2102N-A01-GQFN28" H 5050 3000 50 0000 C CNN F 2 "Package_DFN_QFN:QFN-28-1EP_5x5mm_P0.5mm_EP3.35x3.35mm" H 6400 2700 50 0001 L CNN F 3 "https://www.silabs.com/documents/public/data-sheets/cp2102n-datasheet.pdf" H 6000 3150 50 0001 C CNN F 4 "C6568" H 5950 3900 50 0001 C CNN "LCSC" 1 5950 3900 1 0 0 -1 $EndComp $Comp L power:GND #PWR013 U 1 1 5E80DB90 P 4600 2450 F 0 "#PWR013" H 4600 2200 50 0001 C CNN F 1 "GND" H 4605 2277 50 0000 C CNN F 2 "" H 4600 2450 50 0001 C CNN F 3 "" H 4600 2450 50 0001 C CNN 1 4600 2450 1 0 0 -1 $EndComp Wire Wire Line 5250 2400 5450 2400 Wire Wire Line 5750 2400 5850 2400 Wire Wire Line 5850 2400 5850 2550 Connection ~ 5850 2550 Wire Wire Line 4600 2450 4600 2400 Wire Wire Line 4600 2400 4900 2400 Wire Wire Line 4900 2400 4900 2450 Wire Wire Line 3050 3200 4200 3200 Wire Wire Line 4300 3600 4300 3700 Wire Wire Line 4400 3200 5300 3200 Wire Wire Line 3700 4300 4200 4300 Wire Wire Line 4400 4300 5050 4300 Wire Wire Line 5050 4300 5050 3400 Wire Wire Line 5050 3400 5450 3400 $Comp L power:GND #PWR015 U 1 1 5E9ECDE8 P 4800 3900 F 0 "#PWR015" H 4800 3650 50 0001 C CNN F 1 "GND" H 4805 3727 50 0000 C CNN F 2 "" H 4800 3900 50 0001 C CNN F 3 "" H 4800 3900 50 0001 C CNN 1 4800 3900 1 0 0 -1 $EndComp Wire Wire Line 4800 3800 4800 3900 Wire Wire Line 5150 3100 5200 3100 Wire Wire Line 4900 2750 5200 2750 Connection ~ 5200 3100 Wire Wire Line 5200 3100 5350 3100 Wire Wire Line 3050 3300 3700 3300 Wire Wire Line 3700 3300 3700 4300 Wire Wire Line 3450 2800 3800 2800 Wire Wire Line 3800 3800 3800 2800 Connection ~ 3800 2800 Wire Wire Line 3800 2800 4650 2800 Text HLabel 6550 3000 2 50 Input ~ 0 TX0 Text HLabel 6550 3100 2 50 Input ~ 0 RX0 Wire Wire Line 3550 3800 3550 4000 NoConn ~ 3050 3900 Wire Wire Line 3800 3800 3900 3800 Wire Wire Line 4200 3200 4200 3400 Wire Wire Line 4400 3200 4400 3400 Wire Wire Line 4200 4300 4200 4200 Wire Wire Line 4400 4300 4400 4200 Wire Wire Line 4700 3800 4800 3800 $Comp L power:VBUS #PWR019 U 1 1 5F4C02F2 P 6300 1450 F 0 "#PWR019" H 6300 1300 50 0001 C CNN F 1 "VBUS" H 6315 1623 50 0000 C CNN F 2 "" H 6300 1450 50 0001 C CNN F 3 "" H 6300 1450 50 0001 C CNN 1 6300 1450 1 0 0 -1 $EndComp Text GLabel 6300 1600 3 50 Input ~ 0 VBUS Wire Wire Line 6300 1450 6300 1600 NoConn ~ 6450 2900 NoConn ~ 6450 3300 $Comp L Device:R R7 U 1 1 6114851D P 5450 2750 F 0 "R7" V 5243 2750 50 0000 C CNN F 1 "5.1k" V 5334 2750 50 0000 C CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 5380 2750 50 0001 C CNN F 3 "~" H 5450 2750 50 0001 C CNN F 4 "C25905" H 5450 2750 50 0001 C CNN "LCSC" F 5 "" H 5450 2750 50 0001 C CNN "Supplier" 1 5450 2750 -1 0 0 1 $EndComp $Comp L Device:R R6 U 1 1 61148F19 P 3250 3600 F 0 "R6" V 3043 3600 50 0000 C CNN F 1 "5.1k" V 3134 3600 50 0000 C CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 3180 3600 50 0001 C CNN F 3 "~" H 3250 3600 50 0001 C CNN F 4 "C25905" H 3250 3600 50 0001 C CNN "LCSC" F 5 "" H 3250 3600 50 0001 C CNN "Supplier" 1 3250 3600 0 1 1 0 $EndComp $Comp L Device:R R5 U 1 1 6114B27A P 3250 3000 F 0 "R5" V 3043 3000 50 0000 C CNN F 1 "5.1k" V 3134 3000 50 0000 C CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 3180 3000 50 0001 C CNN F 3 "~" H 3250 3000 50 0001 C CNN F 4 "C25905" H 3250 3000 50 0001 C CNN "LCSC" F 5 "" H 3250 3000 50 0001 C CNN "Supplier" 1 3250 3000 0 1 1 0 $EndComp $Comp L max80_debug:HRO-TYPE-C-31-M-12 USB1 U 1 1 6114CF45 P 2950 3250 AR Path="/6114CF45" Ref="USB1" Part="1" AR Path="/601569F0/6114CF45" Ref="USB1" Part="1" F 0 "USB1" H 2950 4453 60 0000 C CNN F 1 "HRO-TYPE-C-31-M-12" H 2950 4347 60 0000 C CNN F 2 "max80_debug:HRO-TYPE-C-31-M-12" H 2950 4241 60 0000 C CNN F 3 "https://datasheet.lcsc.com/szlcsc/1811131825_Korean-Hroparts-Elec-TYPE-C-31-M-12_C165948.pdf" H 2250 3300 60 0001 C CNN F 4 "C107410" H 2950 3250 50 0001 C CNN "LCSC" 1 2950 3250 1 0 0 -1 $EndComp $Comp L Power_Protection:USBLC6-2SC6 U? U 1 1 6114F91C P 4300 3800 AR Path="/6114F91C" Ref="U?" Part="1" AR Path="/5E63B67F/6114F91C" Ref="U?" Part="1" AR Path="/601569F0/6114F91C" Ref="U9" Part="1" F 0 "U9" V 4650 3550 50 0000 R CNN F 1 "USBLC6-2SC6" V 4750 3600 50 0000 R CNN F 2 "Package_TO_SOT_SMD:SOT-23-6" H 3550 4200 50 0001 C CNN F 3 "" H 4500 4150 50 0001 C CNN F 4 "C7519" H 4300 3800 50 0001 C CNN "LCSC" 1 4300 3800 0 -1 -1 0 $EndComp $Comp L Device:Polyfuse F1 U 1 1 611529F7 P 5000 3100 F 0 "F1" V 4900 3100 50 0000 C CNN F 1 "Polyfuse 460mA" V 5150 3100 50 0000 C CNN F 2 "max80:Fuse_1206_3216Metric" H 5050 2900 50 0001 L CNN F 3 "https://datasheet.lcsc.com/szlcsc/1811141110_TECHFUSE-nSMD020-30V_C69680.pdf" H 5000 3100 50 0001 C CNN F 4 "C69680" H 3650 1600 50 0001 C CNN "LCSC" F 5 "" H 3650 1600 50 0001 C CNN "MOUSER" F 6 "" H 3650 1600 50 0001 C CNN "MPN" 1 5000 3100 0 1 1 0 $EndComp $Comp L Device:C C39 U 1 1 61154A99 P 4900 2600 F 0 "C39" V 4648 2600 50 0000 C CNN F 1 "1uF" V 4739 2600 50 0000 C CNN F 2 "Capacitor_SMD:C_0805_2012Metric" H 4938 2450 50 0001 C CNN F 3 "~" H 4900 2600 50 0001 C CNN F 4 "C28323" H 3500 1650 50 0001 C CNN "LCSC" F 5 "" H 3500 1650 50 0001 C CNN "MOUSER" F 6 "" H 3500 1650 50 0001 C CNN "MPN" F 7 "" H 4900 2600 50 0001 C CNN "Supplier" 1 4900 2600 -1 0 0 -1 $EndComp $Comp L Device:C C40 U 1 1 61156BD2 P 5600 2400 F 0 "C40" V 5348 2400 50 0000 C CNN F 1 "10uF" V 5439 2400 50 0000 C CNN F 2 "Capacitor_SMD:C_0805_2012Metric" H 5638 2250 50 0001 C CNN F 3 "~" H 5600 2400 50 0001 C CNN F 4 "C15850" H 4200 1450 50 0001 C CNN "LCSC" F 5 "" H 4200 1450 50 0001 C CNN "MOUSER" F 6 "" H 4200 1450 50 0001 C CNN "MPN" F 7 "" H 5600 2400 50 0001 C CNN "Supplier" 1 5600 2400 0 1 1 0 $EndComp Wire Wire Line 5200 2750 5200 3100 $EndSCHEMATC