EESchema Schematic File Version 2 LIBS:74xgxx LIBS:74xx LIBS:ac-dc LIBS:actel LIBS:adc-dac LIBS:Altera LIBS:analog_devices LIBS:analog_switches LIBS:atmel LIBS:audio LIBS:brooktre LIBS:cmos4000 LIBS:cmos_ieee LIBS:conn LIBS:contrib LIBS:cypress LIBS:dc-dc LIBS:device LIBS:digital-audio LIBS:diode LIBS:display LIBS:dsp LIBS:elec-unifil LIBS:ESD_Protection LIBS:ftdi LIBS:gennum LIBS:graphic LIBS:hc11 LIBS:intel LIBS:interface LIBS:ir LIBS:Lattice LIBS:linear LIBS:logo LIBS:maxim LIBS:memory LIBS:microchip LIBS:microchip_dspic33dsc LIBS:microchip_pic10mcu LIBS:microchip_pic12mcu LIBS:microchip_pic16mcu LIBS:microchip_pic18mcu LIBS:microchip_pic32mcu LIBS:microcontrollers LIBS:motor_drivers LIBS:motorola LIBS:msp430 LIBS:nordicsemi LIBS:nxp_armmcu LIBS:onsemi LIBS:opto LIBS:Oscillators LIBS:philips LIBS:power LIBS:powerint LIBS:Power_Management LIBS:pspice LIBS:references LIBS:regul LIBS:relays LIBS:rfcom LIBS:sensors LIBS:silabs LIBS:siliconi LIBS:stm8 LIBS:stm32 LIBS:supertex LIBS:switches LIBS:texas LIBS:transf LIBS:transistors LIBS:ttl_ieee LIBS:valves LIBS:video LIBS:Xicor LIBS:xilinx LIBS:Zilog LIBS:pihat_template-cache EELAYER 25 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 2 2 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L BSS138 Q1 U 1 1 54F14605 P 6000 3100 F 0 "Q1" H 6000 2951 40 0000 R CNN F 1 "BSS138" H 6000 3250 40 0000 R CNN F 2 "w_smd_trans:sot23" H 5870 3202 29 0000 C CNN F 3 "" H 6000 3100 60 0000 C CNN F 4 "621-DMG2305UX-13" H 6000 3100 60 0001 C CNN "Mouser Part No." 1 6000 3100 0 -1 -1 0 $EndComp Text HLabel 5000 3000 0 47 Input ~ 0 5V_SUPPLY Text HLabel 6900 3000 2 47 Input ~ 0 5V_MCU $Comp L DMMT5401 U5 U 1 1 54F1CFA3 P 6000 4000 F 0 "U5" H 5700 4150 47 0000 C CNN F 1 "DMMT5401" H 6450 3800 47 0000 C CNN F 2 "w_smd_trans:sot23-6" H 5850 3700 47 0001 C CNN F 3 "" H 5850 3700 47 0000 C CNN F 4 "621-DMMT5401-7-F" H 6000 4000 60 0001 C CNN "Mouser Part No." 1 6000 4000 1 0 0 -1 $EndComp Wire Wire Line 6200 3000 6900 3000 Wire Wire Line 5000 3000 5800 3000 Wire Wire Line 5800 3700 5800 3500 Wire Wire Line 5800 3500 5650 3500 Wire Wire Line 5650 3500 5650 3000 Connection ~ 5650 3000 Wire Wire Line 6200 3700 6200 3500 Wire Wire Line 6200 3500 6350 3500 Wire Wire Line 6350 3500 6350 3000 Connection ~ 6350 3000 $Comp L R R12 U 1 1 54F1D101 P 6200 4800 F 0 "R12" V 6280 4800 50 0000 C CNN F 1 "47k" V 6207 4801 50 0000 C CNN F 2 "w_smd_resistors:r_0402" V 6130 4800 30 0001 C CNN F 3 "" H 6200 4800 30 0000 C CNN F 4 "667-ERJ-2RKF4702X" V 6200 4800 60 0001 C CNN "Mouser Part No." 1 6200 4800 1 0 0 -1 $EndComp $Comp L R R11 U 1 1 54F1D193 P 5800 4800 F 0 "R11" V 5880 4800 50 0000 C CNN F 1 "10k" V 5807 4801 50 0000 C CNN F 2 "w_smd_resistors:r_0402" V 5730 4800 30 0001 C CNN F 3 "" H 5800 4800 30 0000 C CNN F 4 "71-CRCW0402-10K-E3" V 5800 4800 60 0001 C CNN "Mouser Part No." 1 5800 4800 1 0 0 -1 $EndComp $Comp L GND #PWR021 U 1 1 54F1D1B9 P 6200 5200 F 0 "#PWR021" H 6200 4950 60 0001 C CNN F 1 "GND" H 6200 5050 60 0000 C CNN F 2 "" H 6200 5200 60 0000 C CNN F 3 "" H 6200 5200 60 0000 C CNN 1 6200 5200 1 0 0 -1 $EndComp $Comp L GND #PWR022 U 1 1 54F1D1D3 P 5800 5200 F 0 "#PWR022" H 5800 4950 60 0001 C CNN F 1 "GND" H 5800 5050 60 0000 C CNN F 2 "" H 5800 5200 60 0000 C CNN F 3 "" H 5800 5200 60 0000 C CNN 1 5800 5200 1 0 0 -1 $EndComp Wire Wire Line 5800 4350 5800 4650 Wire Wire Line 5800 4950 5800 5200 Wire Wire Line 6200 4350 6200 4650 Wire Wire Line 6200 4950 6200 5200 Wire Wire Line 5900 4350 5900 4450 Wire Wire Line 5800 4450 6100 4450 Connection ~ 5800 4450 Wire Wire Line 6100 4450 6100 4350 Connection ~ 5900 4450 Wire Wire Line 6050 3300 6050 3600 Wire Wire Line 6050 3600 6650 3600 Wire Wire Line 6650 3600 6650 4450 Wire Wire Line 6650 4450 6200 4450 Connection ~ 6200 4450 Text Notes 4800 2650 0 47 ~ 0 *Recomended back powering protection for raspberry pi. Recomended by\nRaspberyy Pi Foundation\nhttps://github.com/raspberrypi/hats/blob/master/designguide.md $EndSCHEMATC