5V_backup.sch-bak
EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 6 8
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Connection ~ 2700 4850
Wire Wire Line
	2700 4400 2700 4850
Wire Wire Line
	2700 4100 2700 3650
Wire Wire Line
	2700 4850 3750 4850
$Comp
L power:GNDS #PWR?
U 1 1 5F455538
P 3100 4550
AR Path="/5F455538" Ref="#PWR?"  Part="1" 
AR Path="/5F41BCFC/5F455538" Ref="#PWR064"  Part="1" 
F 0 "#PWR064" H 3100 4300 50  0001 C CNN
F 1 "GNDS" H 3105 4377 50  0000 C CNN
F 2 "" H 3100 4550 50  0001 C CNN
F 3 "" H 3100 4550 50  0001 C CNN
	1    3100 4550
	1    0    0    -1  
$EndComp
$Comp
L Device:C C?
U 1 1 5F45553E
P 3100 4400
AR Path="/5F45553E" Ref="C?"  Part="1" 
AR Path="/5F41BCFC/5F45553E" Ref="C64"  Part="1" 
F 0 "C64" H 3215 4446 50  0000 L CNN
F 1 "0.1uF" H 3215 4355 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3138 4250 50  0001 C CNN
F 3 "~" H 3100 4400 50  0001 C CNN
F 4 "1276-CL10B104KB8NNNLCT-ND" H 3100 4400 50  0001 C CNN "Digikey PN"
	1    3100 4400
	1    0    0    -1  
$EndComp
Connection ~ 3450 2800
$Comp
L Device:CP C?
U 1 1 5F455545
P 2700 4250
AR Path="/5F455545" Ref="C?"  Part="1" 
AR Path="/5F41BCFC/5F455545" Ref="C61"  Part="1" 
F 0 "C61" H 2818 4296 50  0000 L CNN
F 1 "3.3F" H 2818 4205 50  0000 L CNN
F 2 "star-common-lib:CAP_10x27_5mm_pitch" H 2738 4100 50  0001 C CNN
F 3 "" H 2700 4250 50  0001 C CNN
F 4 "1572-DGH106Q2R7C-ND" H 2700 4250 50  0001 C CNN "Digikey PN"
	1    2700 4250
	1    0    0    -1  
$EndComp
$Comp
L Device:CP C?
U 1 1 5F45554B
P 2700 5000
AR Path="/5F45554B" Ref="C?"  Part="1" 
AR Path="/5F41BCFC/5F45554B" Ref="C62"  Part="1" 
F 0 "C62" H 2818 5046 50  0000 L CNN
F 1 "3.3F" H 2818 4955 50  0000 L CNN
F 2 "star-common-lib:CAP_10x27_5mm_pitch" H 2738 4850 50  0001 C CNN
F 3 "" H 2700 5000 50  0001 C CNN
F 4 "1572-DGH106Q2R7C-ND" H 2700 5000 50  0001 C CNN "Digikey PN"
	1    2700 5000
	1    0    0    -1  
$EndComp
$Comp
L Device:C C?
U 1 1 5F455551
P 3100 3850
AR Path="/5F455551" Ref="C?"  Part="1" 
AR Path="/5F41BCFC/5F455551" Ref="C63"  Part="1" 
F 0 "C63" H 3215 3896 50  0000 L CNN
F 1 "10uF" H 3215 3805 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3138 3700 50  0001 C CNN
F 3 "~" H 3100 3850 50  0001 C CNN
F 4 "1276-1192-1-ND" H 3100 3850 50  0001 C CNN "Digikey PN"
	1    3100 3850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F455557
P 3100 4000
AR Path="/5F455557" Ref="#PWR?"  Part="1" 
AR Path="/5F41BCFC/5F455557" Ref="#PWR063"  Part="1" 
F 0 "#PWR063" H 3100 3750 50  0001 C CNN
F 1 "GND" H 3105 3827 50  0000 C CNN
F 2 "" H 3100 4000 50  0001 C CNN
F 3 "" H 3100 4000 50  0001 C CNN
	1    3100 4000
	1    0    0    -1  
$EndComp
$Comp
L Device:R R?
U 1 1 5F45555D
P 5650 3500
AR Path="/5F45555D" Ref="R?"  Part="1" 
AR Path="/5F41BCFC/5F45555D" Ref="R67"  Part="1" 
F 0 "R67" H 5720 3546 50  0000 L CNN
F 1 "1.1M" H 5720 3455 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 5580 3500 50  0001 C CNN
F 3 "~" H 5650 3500 50  0001 C CNN
F 4 "541-1.10MHCT-ND" H 5650 3500 50  0001 C CNN "Digikey PN"
	1    5650 3500
	1    0    0    -1  
$EndComp
$Comp
L Device:R R?
U 1 1 5F455563
P 5650 3800
AR Path="/5F455563" Ref="R?"  Part="1" 
AR Path="/5F41BCFC/5F455563" Ref="R68"  Part="1" 
F 0 "R68" H 5720 3846 50  0000 L CNN
F 1 "150k" H 5720 3755 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 5580 3800 50  0001 C CNN
F 3 "~" H 5650 3800 50  0001 C CNN
F 4 "311-150KHRCT-ND" H 5650 3800 50  0001 C CNN "Digikey PN"
	1    5650 3800
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F455569
P 2700 5150
AR Path="/5F455569" Ref="#PWR?"  Part="1" 
AR Path="/5F41BCFC/5F455569" Ref="#PWR062"  Part="1" 
F 0 "#PWR062" H 2700 4900 50  0001 C CNN
F 1 "GND" H 2705 4977 50  0000 C CNN
F 2 "" H 2700 5150 50  0001 C CNN
F 3 "" H 2700 5150 50  0001 C CNN
	1    2700 5150
	1    0    0    -1  
$EndComp
Wire Wire Line
	5150 4250 5400 4250
$Comp
L power:GND #PWR?
U 1 1 5F455570
P 4650 5250
AR Path="/5F455570" Ref="#PWR?"  Part="1" 
AR Path="/5F41BCFC/5F455570" Ref="#PWR067"  Part="1" 
F 0 "#PWR067" H 4650 5000 50  0001 C CNN
F 1 "GND" H 4655 5077 50  0000 C CNN
F 2 "" H 4650 5250 50  0001 C CNN
F 3 "" H 4650 5250 50  0001 C CNN
	1    4650 5250
	1    0    0    -1  
$EndComp
Text Notes 5650 4850 2    50   ~ 0
Charge at 1A
Text Notes 5700 3350 0    50   ~ 0
Output\nset 5V
Text Label 5200 4250 0    50   ~ 0
PROG
$Comp
L Device:R R?
U 1 1 5F455585
P 2700 2950
AR Path="/5F455585" Ref="R?"  Part="1" 
AR Path="/5F41BCFC/5F455585" Ref="R61"  Part="1" 
F 0 "R61" H 2770 2996 50  0000 L CNN
F 1 "10k" H 2770 2905 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2630 2950 50  0001 C CNN
F 3 "~" H 2700 2950 50  0001 C CNN
F 4 "RNCP0603FTD10K0CT-ND" H 2700 2950 50  0001 C CNN "Digikey PN"
	1    2700 2950
	1    0    0    -1  
$EndComp
$Comp
L Device:R R?
U 1 1 5F45558B
P 2700 3250
AR Path="/5F45558B" Ref="R?"  Part="1" 
AR Path="/5F41BCFC/5F45558B" Ref="R62"  Part="1" 
F 0 "R62" H 2770 3296 50  0000 L CNN
F 1 "3k" H 2770 3205 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2630 3250 50  0001 C CNN
F 3 "~" H 2700 3250 50  0001 C CNN
F 4 "RMCF0603FT3K00CT-ND" H 2700 3250 50  0001 C CNN "Digikey PN"
	1    2700 3250
	1    0    0    -1  
$EndComp
$Comp
L Device:R R?
U 1 1 5F455591
P 3500 3900
AR Path="/5F455591" Ref="R?"  Part="1" 
AR Path="/5F41BCFC/5F455591" Ref="R64"  Part="1" 
F 0 "R64" H 3430 3854 50  0000 R CNN
F 1 "3.3M" H 3430 3945 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3430 3900 50  0001 C CNN
F 3 "~" H 3500 3900 50  0001 C CNN
F 4 "RMCF0603FT3M30CT-ND" H 3500 3900 50  0001 C CNN "Digikey PN"
	1    3500 3900
	-1   0    0    1   
$EndComp
$Comp
L Device:R R?
U 1 1 5F455597
P 3500 4200
AR Path="/5F455597" Ref="R?"  Part="1" 
AR Path="/5F41BCFC/5F455597" Ref="R65"  Part="1" 
F 0 "R65" H 3430 4154 50  0000 R CNN
F 1 "1M" H 3430 4245 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3430 4200 50  0001 C CNN
F 3 "~" H 3500 4200 50  0001 C CNN
F 4 "RMCF0603FG1M00CT-ND" H 3500 4200 50  0001 C CNN "Digikey PN"
	1    3500 4200
	-1   0    0    1   
$EndComp
$Comp
L Device:R R?
U 1 1 5F45559D
P 5400 4400
AR Path="/5F45559D" Ref="R?"  Part="1" 
AR Path="/5F41BCFC/5F45559D" Ref="R66"  Part="1" 
F 0 "R66" H 5330 4354 50  0000 R CNN
F 1 "3k" H 5330 4445 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 5330 4400 50  0001 C CNN
F 3 "~" H 5400 4400 50  0001 C CNN
F 4 "RMCF0603FT3K00CT-ND" H 5400 4400 50  0001 C CNN "Digikey PN"
	1    5400 4400
	-1   0    0    1   
$EndComp
$Comp
L Device:L L?
U 1 1 5F4555A3
P 4700 3150
AR Path="/5F4555A3" Ref="L?"  Part="1" 
AR Path="/5F41BCFC/5F4555A3" Ref="L61"  Part="1" 
F 0 "L61" V 4890 3150 50  0000 C CNN
F 1 "1.5uH" V 4799 3150 50  0000 C CNN
F 2 "star-common-lib:744316150" H 4700 3150 50  0001 C CNN
F 3 "https://www.we-online.de/katalog/datasheet/744316150.pdf" H 4700 3150 50  0001 C CNN
F 4 "732-6178-1-ND" H 4700 3150 50  0001 C CNN "Digikey PN"
F 5 "744316150" H 4700 3150 50  0001 C CNN "MFG PN"
F 6 "2.55" H 4700 3150 50  0001 C CNN "Unit Cost"
	1    4700 3150
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4550 3250 4550 3150
Wire Wire Line
	4850 3250 4850 3150
$Comp
L Device:Net-Tie_2 NT?
U 1 1 5F4555AF
P 4150 5250
AR Path="/5F4555AF" Ref="NT?"  Part="1" 
AR Path="/5F41BCFC/5F4555AF" Ref="NT61"  Part="1" 
F 0 "NT61" H 4150 5339 50  0000 C CNN
F 1 "Net-Tie_2" H 4150 5340 50  0001 C CNN
F 2 "NetTie:NetTie-2_SMD_Pad0.5mm" H 4150 5250 50  0001 C CNN
F 3 "~" H 4150 5250 50  0001 C CNN
	1    4150 5250
	1    0    0    -1  
$EndComp
Wire Wire Line
	4550 5250 4550 5150
Wire Wire Line
	4250 5250 4250 5150
Wire Wire Line
	4650 5250 4550 5250
Connection ~ 4550 5250
Wire Wire Line
	4650 5250 4650 5150
Connection ~ 4650 5250
Wire Wire Line
	4650 5250 4750 5250
Wire Wire Line
	4750 5250 4750 5150
$Comp
L star-common-lib:LTC3110 U?
U 1 1 5F4555C5
P 4450 4250
AR Path="/5F4555C5" Ref="U?"  Part="1" 
AR Path="/5F41BCFC/5F4555C5" Ref="U61"  Part="1" 
F 0 "U61" H 4250 5550 50  0000 C CNN
F 1 "LTC3110" H 4250 5450 50  0000 C CNN
F 2 "star-common-lib:LTC3110" H 5150 3100 50  0001 C CNN
F 3 "" H 5150 3100 50  0001 C CNN
	1    4450 4250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5F4555CB
P 5300 3100
AR Path="/5F4555CB" Ref="#PWR?"  Part="1" 
AR Path="/5F41BCFC/5F4555CB" Ref="#PWR068"  Part="1" 
F 0 "#PWR068" H 5300 2850 50  0001 C CNN
F 1 "GND" H 5305 2927 50  0000 C CNN
F 2 "" H 5300 3100 50  0001 C CNN
F 3 "" H 5300 3100 50  0001 C CNN
	1    5300 3100
	1    0    0    -1  
$EndComp
$Comp
L power:GNDS #PWR?
U 1 1 5F4555D1
P 4050 5250
AR Path="/5F4555D1" Ref="#PWR?"  Part="1" 
AR Path="/5F41BCFC/5F4555D1" Ref="#PWR066"  Part="1" 
F 0 "#PWR066" H 4050 5000 50  0001 C CNN
F 1 "GNDS" H 4055 5077 50  0000 C CNN
F 2 "" H 4050 5250 50  0001 C CNN
F 3 "" H 4050 5250 50  0001 C CNN
	1    4050 5250
	1    0    0    -1  
$EndComp
$Comp
L power:GNDS #PWR?
U 1 1 5F4555D8
P 2700 3400
AR Path="/5F4555D8" Ref="#PWR?"  Part="1" 
AR Path="/5F41BCFC/5F4555D8" Ref="#PWR061"  Part="1" 
F 0 "#PWR061" H 2700 3150 50  0001 C CNN
F 1 "GNDS" H 2705 3227 50  0000 C CNN
F 2 "" H 2700 3400 50  0001 C CNN
F 3 "" H 2700 3400 50  0001 C CNN
	1    2700 3400
	1    0    0    -1  
$EndComp
$Comp
L power:GNDS #PWR?
U 1 1 5F4555DE
P 3500 4350
AR Path="/5F4555DE" Ref="#PWR?"  Part="1" 
AR Path="/5F41BCFC/5F4555DE" Ref="#PWR065"  Part="1" 
F 0 "#PWR065" H 3500 4100 50  0001 C CNN
F 1 "GNDS" H 3505 4177 50  0000 C CNN
F 2 "" H 3500 4350 50  0001 C CNN
F 3 "" H 3500 4350 50  0001 C CNN
	1    3500 4350
	1    0    0    -1  
$EndComp
$Comp
L power:GNDS #PWR?
U 1 1 5F4555E4
P 5650 3950
AR Path="/5F4555E4" Ref="#PWR?"  Part="1" 
AR Path="/5F41BCFC/5F4555E4" Ref="#PWR070"  Part="1" 
F 0 "#PWR070" H 5650 3700 50  0001 C CNN
F 1 "GNDS" H 5655 3777 50  0000 C CNN
F 2 "" H 5650 3950 50  0001 C CNN
F 3 "" H 5650 3950 50  0001 C CNN
	1    5650 3950
	1    0    0    -1  
$EndComp
$Comp
L power:GNDS #PWR?
U 1 1 5F4555EA
P 5400 4550
AR Path="/5F4555EA" Ref="#PWR?"  Part="1" 
AR Path="/5F41BCFC/5F4555EA" Ref="#PWR069"  Part="1" 
F 0 "#PWR069" H 5400 4300 50  0001 C CNN
F 1 "GNDS" H 5405 4377 50  0000 C CNN
F 2 "" H 5400 4550 50  0001 C CNN
F 3 "" H 5400 4550 50  0001 C CNN
	1    5400 4550
	1    0    0    -1  
$EndComp
$Comp
L Transistor_FET:IRLML6402 Q?
U 1 1 5F4555F0
P 3250 2900
AR Path="/5F4555F0" Ref="Q?"  Part="1" 
AR Path="/5F41BCFC/5F4555F0" Ref="Q61"  Part="1" 
F 0 "Q61" V 3592 2900 50  0000 C CNN
F 1 "DMP2066LSN-7" V 3501 2900 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 3450 2825 50  0001 L CIN
F 3 "~" H 3250 2900 50  0001 L CNN
F 4 "DMP2066LSNDICT-ND" H 3250 2900 50  0001 C CNN "Digikey PN"
	1    3250 2900
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3250 3100 3250 3400
Connection ~ 3250 3100
Wire Wire Line
	3050 2800 2700 2800
$Comp
L Device:R R?
U 1 1 5F4555FC
P 3450 2950
AR Path="/5F4555FC" Ref="R?"  Part="1" 
AR Path="/5F41BCFC/5F4555FC" Ref="R63"  Part="1" 
F 0 "R63" H 3520 2996 50  0000 L CNN
F 1 "10k" H 3520 2905 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3380 2950 50  0001 C CNN
F 3 "~" H 3450 2950 50  0001 C CNN
F 4 "RNCP0603FTD10K0CT-ND" H 3450 2950 50  0001 C CNN "Digikey PN"
	1    3450 2950
	1    0    0    -1  
$EndComp
Wire Wire Line
	3250 3100 3450 3100
$Comp
L Device:C C?
U 1 1 5F455603
P 5300 2950
AR Path="/5F455603" Ref="C?"  Part="1" 
AR Path="/5F41BCFC/5F455603" Ref="C65"  Part="1" 
F 0 "C65" H 5415 2996 50  0000 L CNN
F 1 "47uF" H 5415 2905 50  0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric" H 5338 2800 50  0001 C CNN
F 3 "~" H 5300 2950 50  0001 C CNN
F 4 "1276-3063-1-ND" H 5300 2950 50  0001 C CNN "Digikey PN"
	1    5300 2950
	1    0    0    -1  
$EndComp
Text Label 3150 3650 0    50   ~ 0
Vcap
Text Label 3050 4850 0    50   ~ 0
Vmid
Text Label 5400 3650 0    50   ~ 0
FB
NoConn ~ 5150 4150
Wire Wire Line
	5650 3650 5150 3650
Connection ~ 5300 2800
Wire Wire Line
	5300 2800 5650 2800
Wire Wire Line
	5650 3350 5650 2800
Wire Wire Line
	2700 3650 3100 3650
Wire Wire Line
	3750 4050 3500 4050
Connection ~ 3500 4050
Wire Wire Line
	3500 3750 3500 3650
Connection ~ 3500 3650
Wire Wire Line
	3500 3650 3750 3650
Wire Wire Line
	3350 4250 3350 4050
Wire Wire Line
	3350 4050 3500 4050
Wire Wire Line
	3750 3750 3750 3650
Connection ~ 3750 3650
Wire Wire Line
	3750 4150 3750 4050
Connection ~ 3750 4050
Wire Wire Line
	3100 4250 3350 4250
Wire Wire Line
	3100 3700 3100 3650
Connection ~ 3100 3650
Wire Wire Line
	3100 3650 3500 3650
Connection ~ 4250 3250
Connection ~ 4150 3250
Connection ~ 4850 3250
Connection ~ 4050 3250
Wire Wire Line
	3950 3250 4050 3250
Wire Wire Line
	4050 3250 4150 3250
Wire Wire Line
	4150 3250 4250 3250
Wire Wire Line
	4250 3250 4350 3250
Wire Wire Line
	4450 3250 4550 3250
Connection ~ 4550 3250
Wire Wire Line
	4850 3250 4950 3250
Wire Wire Line
	3450 2800 3950 2800
Wire Wire Line
	3950 3250 3950 2800
Connection ~ 3950 3250
Connection ~ 3950 2800
Wire Wire Line
	3950 2800 5300 2800
Wire Wire Line
	3350 3400 3250 3400
Wire Wire Line
	2950 3100 2700 3100
Connection ~ 2700 3100
Text HLabel 2550 2800 0    50   Input ~ 0
+5V
Text HLabel 5750 2800 2    50   Output ~ 0
VSYS
$Comp
L power:GND #PWR071
U 1 1 5F32447F
P 7500 4350
F 0 "#PWR071" H 7500 4100 50  0001 C CNN
F 1 "GND" H 7505 4177 50  0000 C CNN
F 2 "" H 7500 4350 50  0001 C CNN
F 3 "" H 7500 4350 50  0001 C CNN
	1    7500 4350
	1    0    0    -1  
$EndComp
Text HLabel 8100 4050 2    50   BiDi ~ 0
SDA
Wire Wire Line
	8100 4050 8000 4050
Text HLabel 8100 4150 2    50   Input ~ 0
SCL
Wire Wire Line
	8100 4150 8000 4150
Text HLabel 7750 3400 1    50   Input ~ 0
+3.3V
Text Label 4450 2800 0    50   ~ 0
VSYS
Text Label 6600 4050 0    50   ~ 0
~CHRG
Text Label 6600 3850 0    50   ~ 0
CAP_OK
Text Label 6600 3950 0    50   ~ 0
~CMP_OUT
Wire Wire Line
	5150 3750 5500 3750
Wire Wire Line
	5150 3850 5500 3850
Wire Wire Line
	5150 3950 5500 3950
Wire Wire Line
	5150 4050 5500 4050
Text Label 5500 3750 2    50   ~ 0
DIR
Text Label 5500 3850 2    50   ~ 0
~CHRG
Text Label 5500 3950 2    50   ~ 0
CAP_OK
Text Label 5500 4050 2    50   ~ 0
~CMP_OUT
Text Label 2950 3100 0    50   ~ 0
DIR
Text Label 3350 3400 0    50   ~ 0
~CHRG
NoConn ~ 7000 4150
Wire Wire Line
	7000 4050 6600 4050
Wire Wire Line
	6600 3850 7000 3850
Wire Wire Line
	7000 3950 6600 3950
$Comp
L Interface_Expansion:PCA9537 U62
U 1 1 5F328D7B
P 7500 3950
F 0 "U62" H 7500 4431 50  0000 C CNN
F 1 "PCA9537" H 7500 4340 50  0000 C CNN
F 2 "Package_SO:TSSOP-10_3x3mm_P0.5mm" H 8500 3600 50  0001 C CNN
F 3 "https://www.nxp.com/docs/en/data-sheet/PCA9537.pdf" H 7300 2250 50  0001 C CNN
F 4 "568-1837-1-ND" H 7500 3950 50  0001 C CNN "Digikey PN"
	1    7500 3950
	-1   0    0    -1  
$EndComp
Text HLabel 8100 3950 2    50   Output ~ 0
~INT
Wire Wire Line
	8100 3950 8000 3950
$Comp
L Device:R R69
U 1 1 5F32BDE0
P 8050 3650
F 0 "R69" H 8120 3696 50  0000 L CNN
F 1 "10k" H 8120 3605 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 7980 3650 50  0001 C CNN
F 3 "~" H 8050 3650 50  0001 C CNN
F 4 "RNCP0603FTD10K0CT-ND" H 8050 3650 50  0001 C CNN "Digikey PN"
	1    8050 3650
	1    0    0    -1  
$EndComp
Wire Wire Line
	8000 3850 8050 3850
Wire Wire Line
	8050 3850 8050 3800
Wire Wire Line
	8050 3500 7750 3500
Wire Wire Line
	7750 3500 7750 3650
Wire Wire Line
	7750 3650 7500 3650
Wire Wire Line
	7750 3500 7750 3400
Connection ~ 7750 3500
Connection ~ 5650 3650
Wire Wire Line
	5750 2800 5650 2800
Connection ~ 5650 2800
Wire Wire Line
	2550 2800 2700 2800
Connection ~ 2700 2800
$Comp
L power:PWR_FLAG #FLG061
U 1 1 5F36028E
P 3950 2800
F 0 "#FLG061" H 3950 2875 50  0001 C CNN
F 1 "PWR_FLAG" H 3950 2973 50  0000 C CNN
F 2 "" H 3950 2800 50  0001 C CNN
F 3 "~" H 3950 2800 50  0001 C CNN
	1    3950 2800
	1    0    0    -1  
$EndComp
$Comp
L power:PWR_FLAG #FLG062
U 1 1 5F360B80
P 4050 5250
F 0 "#FLG062" H 4050 5325 50  0001 C CNN
F 1 "PWR_FLAG" V 4050 5377 50  0000 L CNN
F 2 "" H 4050 5250 50  0001 C CNN
F 3 "~" H 4050 5250 50  0001 C CNN
	1    4050 5250
	0    -1   -1   0   
$EndComp
Text Label 3100 4250 0    50   ~ 0
FBVcap
Text Label 4450 3250 0    50   ~ 0
SW1
Text Label 4850 3250 0    50   ~ 0
SW2
$Comp
L Connector:TestPoint_Probe TP61
U 1 1 5F35FFB8
P 3100 3550
F 0 "TP61" H 3253 3651 50  0000 L CNN
F 1 "Vcap" H 3253 3560 50  0000 L CNN
F 2 "TestPoint:TestPoint_Keystone_5000-5004_Miniature" H 3300 3550 50  0001 C CNN
F 3 "~" H 3300 3550 50  0001 C CNN
F 4 "36-5006-ND" H 3100 3550 50  0001 C CNN "Digikey PN"
	1    3100 3550
	1    0    0    -1  
$EndComp
Wire Wire Line
	3100 3550 3100 3650
Wire Wire Line
	4250 5250 4550 5250
Connection ~ 4250 5250
Connection ~ 4050 5250
Text Notes 3650 5850 0    50   ~ 0
FORMULA
Text Notes 4700 5850 0    50   ~ 0
CURRENT VALUE
Wire Notes Line
	3150 5900 5400 5900
Wire Notes Line
	3150 6100 5400 6100
Text Notes 4900 6050 0    50   ~ 0
4.71V
Wire Notes Line
	3150 6300 5400 6300
Text Notes 3200 6250 0    50   ~ 0
Vsys = 0.6 * (1 + R67/R68)
Text Notes 3200 6050 0    50   ~ 0
Vcap = (1.095) * (1 + R64/R65)
Text Notes 4900 6250 0    50   ~ 0
5.0V
Wire Notes Line
	3150 6500 5400 6500
Wire Notes Line
	3150 6700 5400 6700
Text Notes 3200 6450 0    50   ~ 0
Charge Current Lim = 3kOhm/R66
Text Notes 4950 6450 0    50   ~ 0
1A
Text Notes 3200 6650 0    50   ~ 0
Vth(rising) = 0.65 * (1 + R64/R65)
Text Notes 3200 6850 0    50   ~ 0
Vth(falling) = 0.59 * (1 + R64/65)
Text Notes 4900 6650 0    50   ~ 0
2.8V
Text Notes 4900 6850 0    50   ~ 0
2.54V
Wire Notes Line
	4650 6900 4650 5700
Wire Notes Line
	3150 5700 3150 6900
Wire Notes Line
	3150 6900 5400 6900
Wire Notes Line
	5400 6900 5400 5700
Wire Notes Line
	3150 5700 5400 5700
$EndSCHEMATC