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:stmbl EELAYER 26 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 3 3 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L POWERSTEP01 U1 U 1 1 59F49F89 P 5450 3850 AR Path="/59F49F2C/59F49F89" Ref="U1" Part="1" AR Path="/59F4C6C6/59F49F89" Ref="U2" Part="1" F 0 "U1" H 5525 2756 60 0000 C CNN F 1 "POWERSTEP01" H 5525 2650 60 0000 C CNN F 2 "stmbl:VFQFPNPSTEP" H 5350 3400 60 0001 C CNN F 3 "" H 5350 3400 60 0001 C CNN 1 5450 3850 1 0 0 -1 $EndComp Text HLabel 4300 3700 0 60 Input ~ 0 ~CS Text HLabel 4300 3800 0 60 Input ~ 0 CK Text HLabel 4300 3900 0 60 Input ~ 0 SDO Text HLabel 4300 4000 0 60 Input ~ 0 SDI $Comp L R R1 U 1 1 59F4A079 P 7100 4400 AR Path="/59F49F2C/59F4A079" Ref="R1" Part="1" AR Path="/59F4C6C6/59F4A079" Ref="R5" Part="1" F 0 "R1" H 7170 4446 50 0000 L CNN F 1 "R" H 7170 4355 50 0000 L CNN F 2 "stmbl:R_2512" V 7030 4400 50 0001 C CNN F 3 "" H 7100 4400 50 0001 C CNN 1 7100 4400 1 0 0 -1 $EndComp $Comp L R R2 U 1 1 59F4A11F P 7600 4350 AR Path="/59F49F2C/59F4A11F" Ref="R2" Part="1" AR Path="/59F4C6C6/59F4A11F" Ref="R6" Part="1" F 0 "R2" H 7670 4396 50 0000 L CNN F 1 "R" H 7670 4305 50 0000 L CNN F 2 "stmbl:R_2512" V 7530 4350 50 0001 C CNN F 3 "" H 7600 4350 50 0001 C CNN 1 7600 4350 1 0 0 -1 $EndComp $Comp L GND #PWR02 U 1 1 59F4A20F P 5100 5150 AR Path="/59F49F2C/59F4A20F" Ref="#PWR02" Part="1" AR Path="/59F4C6C6/59F4A20F" Ref="#PWR010" Part="1" F 0 "#PWR010" H 5100 4900 50 0001 C CNN F 1 "GND" H 5105 4977 50 0000 C CNN F 2 "" H 5100 5150 50 0001 C CNN F 3 "" H 5100 5150 50 0001 C CNN 1 5100 5150 1 0 0 -1 $EndComp $Comp L D D1 U 1 1 59F4A23F P 5800 2150 AR Path="/59F49F2C/59F4A23F" Ref="D1" Part="1" AR Path="/59F4C6C6/59F4A23F" Ref="D3" Part="1" F 0 "D1" H 5800 1934 50 0000 C CNN F 1 "D" H 5800 2025 50 0000 C CNN F 2 "stmbl:SMA_Standard" H 5800 2150 50 0001 C CNN F 3 "" H 5800 2150 50 0001 C CNN 1 5800 2150 -1 0 0 1 $EndComp $Comp L D D2 U 1 1 59F4A2D7 P 6200 2150 AR Path="/59F49F2C/59F4A2D7" Ref="D2" Part="1" AR Path="/59F4C6C6/59F4A2D7" Ref="D4" Part="1" F 0 "D2" H 6200 1934 50 0000 C CNN F 1 "D" H 6200 2025 50 0000 C CNN F 2 "stmbl:SMA_Standard" H 6200 2150 50 0001 C CNN F 3 "" H 6200 2150 50 0001 C CNN 1 6200 2150 -1 0 0 1 $EndComp $Comp L C C4 U 1 1 59F4A42C P 6000 2400 AR Path="/59F49F2C/59F4A42C" Ref="C4" Part="1" AR Path="/59F4C6C6/59F4A42C" Ref="C10" Part="1" F 0 "C4" H 6115 2446 50 0000 L CNN F 1 "C" H 6115 2355 50 0000 L CNN F 2 "stmbl:C_0603" H 6038 2250 50 0001 C CNN F 3 "" H 6000 2400 50 0001 C CNN 1 6000 2400 1 0 0 -1 $EndComp $Comp L C C3 U 1 1 59F4A539 P 6000 1650 AR Path="/59F49F2C/59F4A539" Ref="C3" Part="1" AR Path="/59F4C6C6/59F4A539" Ref="C9" Part="1" F 0 "C3" V 5748 1650 50 0000 C CNN F 1 "C" V 5839 1650 50 0000 C CNN F 2 "stmbl:C_0603" H 6038 1500 50 0001 C CNN F 3 "" H 6000 1650 50 0001 C CNN 1 6000 1650 0 1 1 0 $EndComp $Comp L C C5 U 1 1 59F4A5C9 P 6800 1750 AR Path="/59F49F2C/59F4A5C9" Ref="C5" Part="1" AR Path="/59F4C6C6/59F4A5C9" Ref="C11" Part="1" F 0 "C5" H 6685 1704 50 0000 R CNN F 1 "C" H 6685 1795 50 0000 R CNN F 2 "stmbl:C_0603" H 6838 1600 50 0001 C CNN F 3 "" H 6800 1750 50 0001 C CNN 1 6800 1750 -1 0 0 1 $EndComp $Comp L R R4 U 1 1 59F4A831 P 8100 3500 AR Path="/59F49F2C/59F4A831" Ref="R4" Part="1" AR Path="/59F4C6C6/59F4A831" Ref="R8" Part="1" F 0 "R4" H 8170 3546 50 0000 L CNN F 1 "R" H 8170 3455 50 0000 L CNN F 2 "stmbl:R_0603" V 8030 3500 50 0001 C CNN F 3 "" H 8100 3500 50 0001 C CNN 1 8100 3500 1 0 0 -1 $EndComp $Comp L R R7 U 1 1 59F4A876 P 8100 3000 AR Path="/59F4C6C6/59F4A876" Ref="R7" Part="1" AR Path="/59F49F2C/59F4A876" Ref="R3" Part="1" F 0 "R3" H 8170 3046 50 0000 L CNN F 1 "R" H 8170 2955 50 0000 L CNN F 2 "stmbl:R_0603" V 8030 3000 50 0001 C CNN F 3 "" H 8100 3000 50 0001 C CNN 1 8100 3000 1 0 0 -1 $EndComp $Comp L GND #PWR07 U 1 1 59F4A8CE P 7600 4600 AR Path="/59F49F2C/59F4A8CE" Ref="#PWR07" Part="1" AR Path="/59F4C6C6/59F4A8CE" Ref="#PWR015" Part="1" F 0 "#PWR015" H 7600 4350 50 0001 C CNN F 1 "GND" H 7605 4427 50 0000 C CNN F 2 "" H 7600 4600 50 0001 C CNN F 3 "" H 7600 4600 50 0001 C CNN 1 7600 4600 1 0 0 -1 $EndComp $Comp L GND #PWR05 U 1 1 59F4A90B P 7100 4600 AR Path="/59F49F2C/59F4A90B" Ref="#PWR05" Part="1" AR Path="/59F4C6C6/59F4A90B" Ref="#PWR013" Part="1" F 0 "#PWR013" H 7100 4350 50 0001 C CNN F 1 "GND" H 7105 4427 50 0000 C CNN F 2 "" H 7100 4600 50 0001 C CNN F 3 "" H 7100 4600 50 0001 C CNN 1 7100 4600 1 0 0 -1 $EndComp $Comp L GND #PWR08 U 1 1 59F4A966 P 8100 3750 AR Path="/59F49F2C/59F4A966" Ref="#PWR08" Part="1" AR Path="/59F4C6C6/59F4A966" Ref="#PWR016" Part="1" F 0 "#PWR016" H 8100 3500 50 0001 C CNN F 1 "GND" H 8105 3577 50 0000 C CNN F 2 "" H 8100 3750 50 0001 C CNN F 3 "" H 8100 3750 50 0001 C CNN 1 8100 3750 1 0 0 -1 $EndComp $Comp L CONN_01X04 J1 U 1 1 59F4B2B2 P 7600 3950 AR Path="/59F49F2C/59F4B2B2" Ref="J1" Part="1" AR Path="/59F4C6C6/59F4B2B2" Ref="J2" Part="1" F 0 "J1" H 7678 3991 50 0000 L CNN F 1 "CONN_01X04" H 7678 3900 50 0000 L CNN F 2 "stmbl:CONN_1x04_2.54" H 7600 3950 50 0001 C CNN F 3 "" H 7600 3950 50 0001 C CNN 1 7600 3950 1 0 0 -1 $EndComp $Comp L C C6 U 1 1 59F4B6B3 P 7150 1750 AR Path="/59F49F2C/59F4B6B3" Ref="C6" Part="1" AR Path="/59F4C6C6/59F4B6B3" Ref="C12" Part="1" F 0 "C6" H 7035 1704 50 0000 R CNN F 1 "C" H 7035 1795 50 0000 R CNN F 2 "stmbl:C_0603" H 7188 1600 50 0001 C CNN F 3 "" H 7150 1750 50 0001 C CNN 1 7150 1750 -1 0 0 1 $EndComp $Comp L GND #PWR06 U 1 1 59F4B7DF P 7150 2000 AR Path="/59F49F2C/59F4B7DF" Ref="#PWR06" Part="1" AR Path="/59F4C6C6/59F4B7DF" Ref="#PWR014" Part="1" F 0 "#PWR014" H 7150 1750 50 0001 C CNN F 1 "GND" H 7155 1827 50 0000 C CNN F 2 "" H 7150 2000 50 0001 C CNN F 3 "" H 7150 2000 50 0001 C CNN 1 7150 2000 1 0 0 -1 $EndComp $Comp L GND #PWR04 U 1 1 59F4B826 P 6800 2000 AR Path="/59F49F2C/59F4B826" Ref="#PWR04" Part="1" AR Path="/59F4C6C6/59F4B826" Ref="#PWR012" Part="1" F 0 "#PWR012" H 6800 1750 50 0001 C CNN F 1 "GND" H 6805 1827 50 0000 C CNN F 2 "" H 6800 2000 50 0001 C CNN F 3 "" H 6800 2000 50 0001 C CNN 1 6800 2000 1 0 0 -1 $EndComp $Comp L C C2 U 1 1 59F4BB09 P 5150 2100 AR Path="/59F49F2C/59F4BB09" Ref="C2" Part="1" AR Path="/59F4C6C6/59F4BB09" Ref="C8" Part="1" F 0 "C2" H 5035 2054 50 0000 R CNN F 1 "C" H 5035 2145 50 0000 R CNN F 2 "stmbl:C_0603" H 5188 1950 50 0001 C CNN F 3 "" H 5150 2100 50 0001 C CNN 1 5150 2100 -1 0 0 1 $EndComp $Comp L C C1 U 1 1 59F4BB44 P 4450 2100 AR Path="/59F49F2C/59F4BB44" Ref="C1" Part="1" AR Path="/59F4C6C6/59F4BB44" Ref="C7" Part="1" F 0 "C1" H 4335 2054 50 0000 R CNN F 1 "C" H 4335 2145 50 0000 R CNN F 2 "stmbl:C_0603" H 4488 1950 50 0001 C CNN F 3 "" H 4450 2100 50 0001 C CNN 1 4450 2100 -1 0 0 1 $EndComp Wire Wire Line 4300 3700 4550 3700 Wire Wire Line 4550 3800 4300 3800 Wire Wire Line 4300 3900 4550 3900 Wire Wire Line 4550 4000 4300 4000 Wire Wire Line 5950 2150 6050 2150 Connection ~ 6000 2150 Wire Wire Line 6350 1650 6350 2450 Wire Wire Line 6350 2450 6200 2450 Wire Wire Line 6200 2450 6200 2750 Wire Wire Line 5650 1300 5650 2450 Wire Wire Line 5650 2450 5800 2450 Wire Wire Line 5800 2450 5800 2750 Wire Wire Line 6000 2250 6000 2150 Wire Wire Line 6000 2750 6000 2550 Wire Wire Line 6350 1650 6150 1650 Connection ~ 6350 2150 Wire Wire Line 5850 1650 5650 1650 Connection ~ 5650 2150 Wire Wire Line 6500 3800 7100 3800 Wire Wire Line 6500 4200 7600 4200 Wire Wire Line 6600 4200 6600 4950 Wire Wire Line 6600 4950 5800 4950 Wire Wire Line 5800 4950 5800 4850 Connection ~ 6600 4200 Wire Wire Line 5550 4850 5550 5000 Wire Wire Line 5550 5000 6650 5000 Wire Wire Line 6650 5000 6650 3800 Connection ~ 6650 3800 Wire Wire Line 8100 3650 8100 3750 Wire Wire Line 6500 3250 8100 3250 Wire Wire Line 8100 3150 8100 3350 Connection ~ 8100 3250 Wire Wire Line 8100 2850 8100 1300 Wire Wire Line 8100 1300 5650 1300 Connection ~ 5650 1650 Wire Wire Line 7600 4500 7600 4600 Wire Wire Line 5100 4850 5100 5150 Wire Wire Line 6500 3600 7400 3600 Wire Wire Line 7400 3600 7400 3800 Wire Wire Line 7400 3900 7350 3900 Wire Wire Line 7350 3900 7350 3700 Wire Wire Line 7350 3700 6500 3700 Wire Wire Line 6500 4000 7400 4000 Wire Wire Line 7100 3800 7100 4250 Wire Wire Line 7100 4550 7100 4600 Wire Wire Line 7400 4100 6500 4100 Wire Wire Line 7150 1600 7150 1300 Connection ~ 7150 1300 Wire Wire Line 6800 1600 6800 1300 Connection ~ 6800 1300 Wire Wire Line 6800 1900 6800 2000 Wire Wire Line 7150 1900 7150 2000 Wire Wire Line 5500 2750 5500 2650 Wire Wire Line 5500 2650 5800 2650 Connection ~ 5800 2650 Wire Wire Line 5400 1950 5400 2750 Wire Wire Line 5400 2650 5200 2650 Wire Wire Line 5200 2650 5200 2750 Wire Wire Line 5150 1950 5400 1950 Connection ~ 5400 2650 Wire Wire Line 5100 2750 5100 2650 Wire Wire Line 5100 2650 5000 2650 Wire Wire Line 5000 1950 5000 2750 Wire Wire Line 5000 1950 4450 1950 Connection ~ 5000 2650 $Comp L GND #PWR03 U 1 1 59F4BDF8 P 5150 2350 AR Path="/59F49F2C/59F4BDF8" Ref="#PWR03" Part="1" AR Path="/59F4C6C6/59F4BDF8" Ref="#PWR011" Part="1" F 0 "#PWR011" H 5150 2100 50 0001 C CNN F 1 "GND" H 5155 2177 50 0000 C CNN F 2 "" H 5150 2350 50 0001 C CNN F 3 "" H 5150 2350 50 0001 C CNN 1 5150 2350 1 0 0 -1 $EndComp $Comp L GND #PWR09 U 1 1 59F4BE1F P 4450 2350 AR Path="/59F4C6C6/59F4BE1F" Ref="#PWR09" Part="1" AR Path="/59F49F2C/59F4BE1F" Ref="#PWR01" Part="1" F 0 "#PWR09" H 4450 2100 50 0001 C CNN F 1 "GND" H 4455 2177 50 0000 C CNN F 2 "" H 4450 2350 50 0001 C CNN F 3 "" H 4450 2350 50 0001 C CNN 1 4450 2350 1 0 0 -1 $EndComp Wire Wire Line 5150 2250 5150 2350 Wire Wire Line 4450 2250 4450 2350 Text HLabel 4300 3400 0 60 Input ~ 0 ~STBY Wire Wire Line 4300 3400 4550 3400 $EndSCHEMATC