EESchema Schematic File Version 2 LIBS:power LIBS:device LIBS:transistors LIBS:conn LIBS:linear LIBS:regul LIBS:74xx LIBS:cmos4000 LIBS:adc-dac LIBS:memory LIBS:xilinx LIBS:microcontrollers LIBS:dsp LIBS:microchip LIBS:analog_switches LIBS:motorola LIBS:texas LIBS:intel LIBS:audio LIBS:interface LIBS:digital-audio LIBS:philips LIBS:display LIBS:cypress LIBS:siliconi LIBS:opto LIBS:atmel LIBS:contrib LIBS:valves LIBS:74lv1t34 LIBS:93lc46b LIBS:Diodes_Mosfet LIBS:hole LIBS:Microchip_CAN LIBS:Microchip_regulator LIBS:MPS_Regulators LIBS:St_Baluns LIBS:Ti_Logic LIBS:Ti_Regulators LIBS:tsl256x LIBS:voltage-translators LIBS:Silabs LIBS:Wurth_Eth LIBS:Ti_POE LIBS:STM32 LIBS:Microchip_Ethernet LIBS:STM32F107VCT LIBS:Pulse_Magnetics LIBS:ALPS_Tact LIBS:Panasonic_Relays LIBS:Load_Driver LIBS:Diode_Bridge LIBS:Diodes_Regul LIBS:Dpak_Diode LIBS:symbol LIBS:brain-cache EELAYER 25 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 8 8 Title "RTC" Date "2016-09-09" Rev "0.6" Comp "BetaMachine" Comment1 "Brain" Comment2 "AAA Control Backend" Comment3 "Nipo" Comment4 "" $EndDescr $Comp L PCF8563 U17 U 1 1 57B57780 P 4700 4300 F 0 "U17" H 4450 3925 50 0000 C CNN F 1 "PCF8563" H 4625 4300 50 0000 C CNN F 2 "Housings_SSOP:TSSOP-8_3x3mm_Pitch0.65mm" H 4700 4300 50 0001 C CNN F 3 "" H 4700 4300 50 0000 C CNN F 4 "NXP" H 4700 4300 60 0001 C CNN "MFN" F 5 "PCF8563TS/5,118" H 4700 4300 60 0001 C CNN "MFP" F 6 "771-PCF8563TS/5118" H 4700 4300 60 0001 C CNN "S1PN" F 7 "I2C RTC" H 4700 4300 60 0001 C CNN "Description" 1 4700 4300 -1 0 0 -1 $EndComp $Comp L Crystal Y1 U 1 1 57B577CF P 5250 4300 F 0 "Y1" V 5204 4169 50 0000 R CNN F 1 "32768Hz" V 5295 4169 50 0000 R CNN F 2 "Abracon:ABS07" H 5250 4300 50 0001 C CNN F 3 "" H 5250 4300 50 0000 C CNN F 4 "Abracon" H 5250 4300 60 0001 C CNN "MFN" F 5 "ABS07-32.768KHZ-1-T" H 5250 4300 60 0001 C CNN "MFP" F 6 "815-ABS07-32.7K-1-T" H 5250 4300 60 0001 C CNN "S1PN" F 7 "Quartz 32.768KHz 12.5pF -40C +85C 10ppm" H 5250 4300 60 0001 C CNN "Description" 1 5250 4300 0 -1 1 0 $EndComp Wire Wire Line 5250 4150 5250 4100 Wire Wire Line 5100 4100 5750 4100 Wire Wire Line 5250 4450 5250 4500 Wire Wire Line 5750 4100 5750 4600 Connection ~ 5250 4100 $Comp L C C40 U 1 1 57B57860 P 5750 4750 F 0 "C40" H 5865 4796 50 0000 L CNN F 1 "12pF" H 5865 4705 50 0000 L CNN F 2 "Resistors_SMD:R_0603" H 5788 4600 50 0001 C CNN F 3 "" H 5750 4750 50 0000 C CNN F 4 "Vishay" H 7000 2150 60 0001 C CNN "MFN" F 5 "VJ0603A120KXJPW1BC" H 7000 2150 60 0001 C CNN "MFP" F 6 "77-VJ0603A120KXJPBC" H 7000 2150 60 0001 C CNN "S1PN" F 7 "16V, C0G, 10%, 0603" H 7000 2150 60 0001 C CNN "Description" 1 5750 4750 -1 0 0 -1 $EndComp Wire Wire Line 5750 4900 5750 5000 $Comp L GND #PWR090 U 1 1 57B578C5 P 5750 5000 F 0 "#PWR090" H 5750 4750 50 0001 C CNN F 1 "GND" H 5755 4827 50 0000 C CNN F 2 "" H 5750 5000 50 0000 C CNN F 3 "" H 5750 5000 50 0000 C CNN 1 5750 5000 -1 0 0 -1 $EndComp Wire Wire Line 4700 4700 4700 5000 $Comp L GND #PWR091 U 1 1 57B579F8 P 4700 5000 F 0 "#PWR091" H 4700 4750 50 0001 C CNN F 1 "GND" H 4705 4827 50 0000 C CNN F 2 "" H 4700 5000 50 0000 C CNN F 3 "" H 4700 5000 50 0000 C CNN 1 4700 5000 -1 0 0 -1 $EndComp Wire Wire Line 2200 4100 4300 4100 Wire Wire Line 2200 4200 4300 4200 Wire Wire Line 4000 4500 4300 4500 Text HLabel 4000 4500 0 60 Output ~ 0 IRQ $Comp L +3V3 #PWR092 U 1 1 57B57CFE P 6900 2500 F 0 "#PWR092" H 6900 2350 50 0001 C CNN F 1 "+3V3" H 6915 2673 50 0000 C CNN F 2 "" H 6900 2500 50 0000 C CNN F 3 "" H 6900 2500 50 0000 C CNN 1 6900 2500 1 0 0 -1 $EndComp $Comp L C C42 U 1 1 57B581B3 P 7300 3850 F 0 "C42" H 7415 3896 50 0000 L CNN F 1 "10nF" H 7415 3805 50 0000 L CNN F 2 "Resistors_SMD:R_0603" H 7338 3700 50 0001 C CNN F 3 "" H 7300 3850 50 0000 C CNN F 4 "Wurth Electronics" H 7000 2150 60 0001 C CNN "MFN" F 5 "885012206065" H 7000 2150 60 0001 C CNN "MFP" F 6 "710-885012206065" H 7000 2150 60 0001 C CNN "S1PN" F 7 "25V, X7R, 10%, 10nF, 0603" H 7000 2150 60 0001 C CNN "Description" 1 7300 3850 1 0 0 -1 $EndComp Wire Wire Line 5250 4500 5100 4500 $Comp L CP C41 U 1 1 57B583E8 P 6500 3850 F 0 "C41" H 6615 3896 50 0000 L CNN F 1 "0.47F" H 6615 3805 50 0000 L CNN F 2 "PowerCap:KR-5R5Cxx4-R" H 6538 3700 50 0001 C CNN F 3 "" H 6500 3850 50 0000 C CNN F 4 "Eaton" H 6500 3850 60 0001 C CNN "MFN" F 5 "KR-5R5C474-R" H 6500 3850 60 0001 C CNN "MFP" F 6 "504-KR-5R5C474-R" H 6500 3850 60 0001 C CNN "S1PN" F 7 "5.5V Supercap" H 6500 3850 60 0001 C CNN "Description" 1 6500 3850 1 0 0 -1 $EndComp Wire Wire Line 6500 3200 6500 3700 Wire Wire Line 7300 3200 7300 3700 Connection ~ 6500 3500 Wire Wire Line 6500 4000 6500 4200 Wire Wire Line 7300 4000 7300 4200 $Comp L GND #PWR093 U 1 1 57B585B6 P 6500 4200 F 0 "#PWR093" H 6500 3950 50 0001 C CNN F 1 "GND" H 6505 4027 50 0000 C CNN F 2 "" H 6500 4200 50 0000 C CNN F 3 "" H 6500 4200 50 0000 C CNN 1 6500 4200 1 0 0 -1 $EndComp $Comp L GND #PWR094 U 1 1 57B585D9 P 7300 4200 F 0 "#PWR094" H 7300 3950 50 0001 C CNN F 1 "GND" H 7305 4027 50 0000 C CNN F 2 "" H 7300 4200 50 0000 C CNN F 3 "" H 7300 4200 50 0000 C CNN 1 7300 4200 1 0 0 -1 $EndComp $Comp L R R32 U 1 1 57B586D2 P 6900 2750 F 0 "R32" V 6693 2750 50 0000 C CNN F 1 "100R" V 6784 2750 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 6830 2750 50 0001 C CNN F 3 "" H 6900 2750 50 0000 C CNN F 4 "Panasonic" H 5550 3850 60 0001 C CNN "MFN" F 5 "ERJ-3EKF1000V" H 5550 3850 60 0001 C CNN "MFP" F 6 "667-ERJ-3EKF1000V" H 5550 3850 60 0001 C CNN "S1PN" F 7 "1%, 75V, 0603" H 5550 3850 60 0001 C CNN "Description" 1 6900 2750 -1 0 0 1 $EndComp Wire Wire Line 6900 2500 6900 2600 $Comp L D_Schottky_x2_ACom_KKA D11 U 1 1 57B58B53 P 6900 3200 F 0 "D11" H 6900 3324 50 0000 C CNN F 1 "Diode" H 6900 3415 50 0000 C CNN F 2 "Housings_SOT-23_SOT-143_TSOT-6:SOT-23" H 6900 3200 50 0001 C CNN F 3 "" H 6900 3200 50 0000 C CNN F 4 "Diodes Incorporated" H 6900 3200 60 0001 C CNN "MFN" F 5 "BAW156-7-F" H 6900 3200 60 0001 C CNN "MFP" F 6 "621-BAW156-F" H 6900 3200 60 0001 C CNN "S1PN" F 7 "Low leakage 85V" H 6900 3200 60 0001 C CNN "Description" 1 6900 3200 1 0 0 1 $EndComp Wire Wire Line 6900 2900 6900 3000 Wire Wire Line 6600 3200 6500 3200 Wire Wire Line 4700 3500 7300 3500 Wire Wire Line 7300 3200 7200 3200 Text Notes 5300 3300 0 60 ~ 0 Supercap charge @33mA\n90% charge time:\n2*R*C = 94s $Comp L STM32F107VCT U1 U 5 1 57BE29BE P 1400 4100 F 0 "U1" H 1824 4645 50 0000 C CNN F 1 "STM32F107VCT" H 1824 4554 50 0000 C CNN F 2 "Housings_QFP:LQFP-100_14x14mm_Pitch0.5mm" H 1824 4463 50 0001 C CNN F 3 "" H 1400 4100 50 0000 C CNN F 4 "STMicroelectronics" H 10200 5800 60 0001 C CNN "MFN" F 5 "STM32F107VCT7" H 10200 5800 60 0001 C CNN "MFP" F 6 "511-STM32F107VCT7" H 10200 5800 60 0001 C CNN "S1PN" F 7 "STM32 Connectivity, 72MHz, 256/64kB" H 10200 5800 60 0001 C CNN "Description" 5 1400 4100 1 0 0 -1 $EndComp Connection ~ 7300 3500 Wire Wire Line 4700 3500 4700 3900 $Comp L CONN_01X04 P13 U 1 1 57BEEED1 P 3650 3300 F 0 "P13" V 3668 3062 50 0000 R CNN F 1 "I2C_EXT" V 3577 3062 50 0000 R CNN F 2 "Pin_Headers:Pin_Header_Straight_1x04" V 3478 3062 50 0001 R CNN F 3 "" H 3650 3300 50 0000 C CNN F 4 "TE Connectivity" H 3650 3300 60 0001 C CNN "MFN" F 5 "5-146281-4" H 3650 3300 60 0001 C CNN "MFP" F 6 "571-5-146281-4" H 3650 3300 60 0001 C CNN "S1PN" F 7 "NU" V 3478 3062 60 0000 R CNN "Installed" 1 3650 3300 0 -1 -1 0 $EndComp Wire Wire Line 3600 3500 3600 4100 Connection ~ 3600 4100 Wire Wire Line 3700 4200 3700 3500 Connection ~ 3700 4200 Wire Wire Line 3800 3500 3800 3600 $Comp L GND #PWR095 U 1 1 57BEF0CB P 3800 3600 F 0 "#PWR095" H 3800 3350 50 0001 C CNN F 1 "GND" H 3805 3427 50 0000 C CNN F 2 "" H 3800 3600 50 0000 C CNN F 3 "" H 3800 3600 50 0000 C CNN 1 3800 3600 1 0 0 -1 $EndComp Wire Wire Line 3500 3500 3500 3600 Wire Wire Line 3500 3600 3300 3600 Wire Wire Line 3300 3600 3300 3500 $Comp L +3V3 #PWR096 U 1 1 57BEF123 P 3300 3500 F 0 "#PWR096" H 3300 3350 50 0001 C CNN F 1 "+3V3" H 3315 3673 50 0000 C CNN F 2 "" H 3300 3500 50 0000 C CNN F 3 "" H 3300 3500 50 0000 C CNN 1 3300 3500 1 0 0 -1 $EndComp Wire Wire Line 4300 4400 4000 4400 Text HLabel 4000 4400 0 60 Output ~ 0 OSC_OUT Text Label 3900 4100 0 60 ~ 0 SCL Text Label 3900 4200 0 60 ~ 0 SDA $Comp L R R30 U 1 1 57CE1FC1 P 2500 3750 F 0 "R30" V 2580 3750 50 0000 C CNN F 1 "4k7" V 2400 3750 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 2430 3750 50 0001 C CNN F 3 "" H 2500 3750 50 0000 C CNN F 4 "Panasonic" H 5550 3850 60 0001 C CNN "MFN" F 5 "ERJ-3GEYJ472V" H 5550 3850 60 0001 C CNN "MFP" F 6 "667-ERJ-3GEYJ472V" H 5550 3850 60 0001 C CNN "S1PN" F 7 "75V, 5%, 0603" H 5550 3850 60 0001 C CNN "Description" 1 2500 3750 1 0 0 -1 $EndComp Wire Wire Line 2500 3600 2500 3300 Wire Wire Line 2800 3300 2800 3600 Wire Wire Line 2500 3900 2500 4100 Connection ~ 2500 4100 Wire Wire Line 2800 3900 2800 4200 Connection ~ 2800 4200 $Comp L +3V3 #PWR097 U 1 1 57CE211C P 2500 3300 F 0 "#PWR097" H 2500 3150 50 0001 C CNN F 1 "+3V3" H 2500 3440 50 0000 C CNN F 2 "" H 2500 3300 50 0000 C CNN F 3 "" H 2500 3300 50 0000 C CNN 1 2500 3300 1 0 0 -1 $EndComp $Comp L +3V3 #PWR098 U 1 1 57CE2151 P 2800 3300 F 0 "#PWR098" H 2800 3150 50 0001 C CNN F 1 "+3V3" H 2800 3440 50 0000 C CNN F 2 "" H 2800 3300 50 0000 C CNN F 3 "" H 2800 3300 50 0000 C CNN 1 2800 3300 1 0 0 -1 $EndComp $Comp L R R31 U 1 1 57CE26D3 P 2800 3750 F 0 "R31" V 2880 3750 50 0000 C CNN F 1 "4k7" V 2700 3750 50 0000 C CNN F 2 "Resistors_SMD:R_0603" V 2730 3750 50 0001 C CNN F 3 "" H 2800 3750 50 0000 C CNN F 4 "Panasonic" H 5550 3850 60 0001 C CNN "MFN" F 5 "ERJ-3GEYJ472V" H 5550 3850 60 0001 C CNN "MFP" F 6 "667-ERJ-3GEYJ472V" H 5550 3850 60 0001 C CNN "S1PN" F 7 "75V, 5%, 0603" H 5550 3850 60 0001 C CNN "Description" 1 2800 3750 1 0 0 -1 $EndComp Text Notes 1500 2000 0 60 ~ 0 Local RTC + Supercap\nTracks time during power outage $EndSCHEMATC