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217 lines
5.3 KiB
217 lines
5.3 KiB
EESchema Schematic File Version 4
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LIBS:batterystation-cache
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EELAYER 26 0
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EELAYER END
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$Descr A4 11693 8268
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encoding utf-8
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Sheet 2 9
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Title ""
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Date ""
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Rev ""
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Comp ""
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Comment1 ""
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Comment2 ""
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Comment3 ""
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Comment4 ""
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$EndDescr
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$Comp
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L conn:CONN_01X05 P10
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U 1 1 5CBBEE8F
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P 5100 3900
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F 0 "P10" H 5177 3941 50 0000 L CNN
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F 1 "STC4054" H 5177 3850 50 0000 L CNN
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F 2 "TO_SOT_Packages_SMD:SOT-23-5" H 5100 3900 50 0001 C CNN
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F 3 "" H 5100 3900 50 0000 C CNN
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1 5100 3900
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1 0 0 -1
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$EndComp
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Text Notes 4550 5650 0 50 ~ 0
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STC4054\nNote: Pin 1, is counter-clockwise\nstarting at chrg pin (see data sheet)\n\nNOTE: Double check footprint matches\ndata sheet with numbers.\n\n\n\n4.2 Volts ONLY (not 4.1 - and only ONE cell)\n\nVCC must be always 30mV above BAT or else it will shut down (i.e. if charger is battery powered)
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Wire Wire Line
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4900 3700 4600 3700
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Text Label 4700 3700 0 50 ~ 0
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CHRG
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Wire Wire Line
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3750 3800 3750 3950
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Wire Wire Line
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3750 3800 4900 3800
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$Comp
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L power:GND #PWR0106
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U 1 1 5CBBF0AE
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P 3750 3950
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F 0 "#PWR0106" H 3750 3700 50 0001 C CNN
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F 1 "GND" H 3755 3777 50 0000 C CNN
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F 2 "" H 3750 3950 50 0000 C CNN
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F 3 "" H 3750 3950 50 0000 C CNN
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1 3750 3950
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1 0 0 -1
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$EndComp
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Text Label 4700 3900 0 50 ~ 0
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BAT
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Text Label 4700 4000 0 50 ~ 0
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PROG
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$Comp
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L power:+5V #PWR0107
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U 1 1 5CBBF145
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P 4250 4100
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F 0 "#PWR0107" H 4250 3950 50 0001 C CNN
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F 1 "+5V" H 4265 4273 50 0000 C CNN
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F 2 "" H 4250 4100 50 0000 C CNN
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F 3 "" H 4250 4100 50 0000 C CNN
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1 4250 4100
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1 0 0 -1
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$EndComp
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Wire Wire Line
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4250 4100 4900 4100
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$Comp
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L device:LED D1
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U 1 1 5CBBF242
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P 4600 3300
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F 0 "D1" V 4638 3183 50 0000 R CNN
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F 1 "LED" V 4547 3183 50 0000 R CNN
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F 2 "Capacitors_SMD:C_0805_HandSoldering" H 4600 3300 50 0001 C CNN
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F 3 "" H 4600 3300 50 0000 C CNN
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1 4600 3300
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0 -1 -1 0
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$EndComp
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Wire Wire Line
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4600 3450 4600 3700
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Wire Wire Line
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4600 3150 4600 3000
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$Comp
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L power:+5V #PWR0108
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U 1 1 5CBBF555
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P 4600 2350
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F 0 "#PWR0108" H 4600 2200 50 0001 C CNN
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F 1 "+5V" H 4615 2523 50 0000 C CNN
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F 2 "" H 4600 2350 50 0000 C CNN
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F 3 "" H 4600 2350 50 0000 C CNN
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1 4600 2350
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1 0 0 -1
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$EndComp
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Text Notes 4850 2750 0 50 ~ 0
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LED may need resistor, when in\nweak pull down mode.\nAlso has a 10mA pull down mode\nwhere led not needed.
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$Comp
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L device:R R1
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U 1 1 5CBBF689
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P 4050 3600
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F 0 "R1" V 3843 3600 50 0000 C CNN
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F 1 "5K" V 3934 3600 50 0000 C CNN
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F 2 "Capacitors_SMD:C_0805_HandSoldering" V 3980 3600 50 0001 C CNN
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F 3 "" H 4050 3600 50 0000 C CNN
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1 4050 3600
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0 1 1 0
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$EndComp
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Wire Wire Line
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4200 3600 4350 3600
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Wire Wire Line
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4500 3600 4500 4000
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Wire Wire Line
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4500 4000 4900 4000
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Wire Wire Line
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4400 3900 4400 4350
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Wire Wire Line
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4400 4350 5550 4350
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Wire Wire Line
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4400 3900 4900 3900
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Wire Wire Line
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3900 3600 3400 3600
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$Comp
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L power:GND #PWR0109
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U 1 1 5CBBFA1E
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P 3400 3600
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F 0 "#PWR0109" H 3400 3350 50 0001 C CNN
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F 1 "GND" H 3405 3427 50 0000 C CNN
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F 2 "" H 3400 3600 50 0000 C CNN
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F 3 "" H 3400 3600 50 0000 C CNN
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1 3400 3600
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1 0 0 -1
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$EndComp
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Text Notes 3400 3300 0 50 ~ 0
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Rprog is calculated by\n(1 / Rval) * 1000\ntherefore\n5K will be 200mA.\n1K would be 1A, etc...
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Text HLabel 5950 4350 2 50 Input ~ 0
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BAT_LIION_CHRG
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$Comp
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L device:C C1
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U 1 1 5CBBFBC6
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P 4250 4250
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F 0 "C1" H 4365 4296 50 0000 L CNN
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F 1 "1uF" H 4365 4205 50 0000 L CNN
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F 2 "Capacitors_SMD:C_0805_HandSoldering" H 4288 4100 50 0001 C CNN
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F 3 "" H 4250 4250 50 0000 C CNN
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1 4250 4250
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1 0 0 -1
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$EndComp
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Connection ~ 4250 4100
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$Comp
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L power:GND #PWR0110
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U 1 1 5CBBFC6C
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P 4250 4400
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F 0 "#PWR0110" H 4250 4150 50 0001 C CNN
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F 1 "GND" H 4255 4227 50 0000 C CNN
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F 2 "" H 4250 4400 50 0000 C CNN
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F 3 "" H 4250 4400 50 0000 C CNN
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1 4250 4400
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1 0 0 -1
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$EndComp
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Wire Wire Line
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4350 3600 4350 2650
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Wire Wire Line
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4350 2650 4000 2650
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Connection ~ 4350 3600
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Wire Wire Line
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4350 3600 4500 3600
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$Comp
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L conn:CONN_01X01 P9
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U 1 1 5CBC014B
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P 3800 2650
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F 0 "P9" H 3719 2425 50 0000 C CNN
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F 1 "VPROG_TAP" H 3719 2516 50 0000 C CNN
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F 2 "Pin_Headers:Pin_Header_Straight_1x01" H 3800 2650 50 0001 C CNN
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F 3 "" H 3800 2650 50 0000 C CNN
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1 3800 2650
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-1 0 0 1
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$EndComp
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$Comp
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L device:R R2
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U 1 1 5CBC04AF
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P 4600 2850
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F 0 "R2" H 4670 2896 50 0000 L CNN
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F 1 "1K" H 4670 2805 50 0000 L CNN
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F 2 "Capacitors_SMD:C_0805_HandSoldering" V 4530 2850 50 0001 C CNN
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F 3 "" H 4600 2850 50 0000 C CNN
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1 4600 2850
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1 0 0 -1
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$EndComp
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Wire Wire Line
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4600 2700 4600 2350
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$Comp
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L device:C C2
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U 1 1 5CBC0798
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P 5550 4500
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F 0 "C2" H 5665 4546 50 0000 L CNN
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F 1 "4.7uF" H 5665 4455 50 0000 L CNN
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F 2 "Capacitors_SMD:C_0805_HandSoldering" H 5588 4350 50 0001 C CNN
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F 3 "" H 5550 4500 50 0000 C CNN
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1 5550 4500
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1 0 0 -1
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$EndComp
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Connection ~ 5550 4350
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Wire Wire Line
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5550 4350 5950 4350
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$Comp
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L power:GND #PWR0111
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U 1 1 5CBC082A
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P 5550 4650
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F 0 "#PWR0111" H 5550 4400 50 0001 C CNN
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F 1 "GND" H 5555 4477 50 0000 C CNN
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F 2 "" H 5550 4650 50 0000 C CNN
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F 3 "" H 5550 4650 50 0000 C CNN
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1 5550 4650
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1 0 0 -1
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$EndComp
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Text Notes 6150 5100 0 50 ~ 0
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This cap may be optional\nNeeded for when battery\ndisconnected, to avoid\nripple.\nUse electrolytic (data sheet\nwants\n0.2-1ohm series resistance)
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Text Notes 4150 1800 0 118 ~ 0
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ST4054\nLi-Ion 1 cell battery charger
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$EndSCHEMATC
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