v 20130925 2 N 6500 40000 24500 40000 4 { T 6600 40000 5 10 1 1 0 0 1 netname=GND } C 10400 39700 1 0 0 gnd-1.sym N 6500 49500 17500 49500 4 { T 6600 49500 5 10 1 1 0 0 1 netname=+3v3 } N 18000 49500 24500 49500 4 { T 23500 49500 5 10 1 1 0 0 1 netname=+48v } N 13500 44000 14500 44000 4 N 14500 43700 14500 44000 4 N 14500 41200 14500 42800 4 C 21700 41700 1 0 0 IGBT.sym { T 22504 43201 5 10 1 1 0 6 1 refdes=IGBT1 T 23496 44801 5 10 0 1 0 0 1 device=INVERTER T 23200 41900 5 10 1 1 90 2 1 value=SKM145GB066D } N 22500 45700 22500 49500 4 N 22500 44700 22500 43300 4 N 22500 41700 22500 40000 4 N 22000 45700 22000 46000 4 N 22000 44800 22000 44500 4 N 22000 44500 22500 44500 4 C 16800 40900 1 0 0 transistor.sym { T 17500 41100 5 8 1 1 180 0 1 device=2N6517 T 17500 41900 5 10 1 1 0 6 1 refdes=Q2 T 17800 41400 5 8 0 0 0 0 1 value=BC547 T 17800 41800 5 8 0 0 0 0 1 footprint=TO92 } N 14500 42500 14800 42500 4 N 17500 42100 17500 47300 4 N 17500 40000 17500 40900 4 B 6000 39500 19000 10500 15 0 0 0 -1 -1 0 -1 -1 -1 -1 -1 B 6000 39000 19000 500 15 0 0 0 -1 -1 0 -1 -1 -1 -1 -1 T 6500 39200 9 10 1 0 0 0 1 TITLE: 48v test: more decoupling + MCU contactor control + Supply monitoring AUTHOR: Graham North CREATED: 2-February-2017 NOTES: C 9200 46800 1 90 0 thermistor.sym { T 8800 46900 5 10 0 1 90 0 1 device=THERMISTOR T 9005 46800 5 10 1 1 180 0 1 refdes=TH3 } C 9100 40800 1 90 0 resistor-2.sym { T 8750 41200 5 10 0 0 90 0 1 device=RESISTOR T 9000 41600 5 10 1 1 0 6 1 refdes=R7 T 9000 40900 5 10 1 1 180 0 1 value=1k } N 9000 47700 9000 49500 4 N 9000 46800 9000 41700 4 N 9000 40800 9000 40000 4 N 8500 44900 10400 44900 4 L 9100 47500 9300 47700 3 0 0 2 50 50 L 8300 49900 22800 49900 3 0 0 2 50 50 L 22800 49900 22800 43200 3 0 0 2 50 50 L 22800 43200 22700 43100 3 0 0 2 50 50 C 14600 40300 1 90 0 resistor-2.sym { T 14250 40700 5 10 0 0 90 0 1 device=RESISTOR T 14500 41100 5 10 1 1 0 0 1 refdes=R11 T 14500 40400 5 10 1 1 180 6 1 value=220 } N 14500 40300 14500 40000 4 C 14600 42800 1 90 0 resistor-2.sym { T 14250 43200 5 10 0 0 90 0 1 device=RESISTOR T 14500 43600 5 10 1 1 0 0 1 refdes=R10 T 14500 42900 5 10 1 1 180 6 1 value=220 } C 17800 41900 1 0 0 transistor-pnp.sym { T 18500 42100 5 8 1 1 180 0 1 device=ZTX758 T 18500 42900 5 10 1 1 0 6 1 refdes=Q4 } C 17800 44900 1 0 0 transistor.sym { T 18500 45100 5 8 1 1 180 0 1 device=ZTX658 T 18500 45900 5 10 1 1 0 6 1 refdes=Q3 } N 18500 46100 18500 49000 4 N 18500 41900 18500 41500 4 N 18500 44500 18500 44900 4 N 17500 42500 17800 42500 4 C 18800 43900 1 0 0 transistor.sym { T 19500 44100 5 8 1 1 180 0 1 device=MJE13007G T 19500 44900 5 10 1 1 0 6 1 refdes=Q5 } N 19500 45100 19500 49000 4 N 19500 42100 19500 43900 4 N 19500 40900 19500 40000 4 N 18500 44500 18800 44500 4 N 18500 41500 18800 41500 4 N 18500 43100 18500 43500 4 N 18500 43500 19500 43500 4 C 18800 40900 1 0 0 transistor.sym { T 19500 41100 5 8 1 1 180 0 1 device=MJE13007G T 19500 41900 5 10 1 1 0 6 1 refdes=Q6 } N 16500 41200 16500 47300 4 N 16000 42000 16500 42000 4 N 15500 40000 15500 41900 4 N 16500 40300 16500 40000 4 N 10400 47500 10000 47500 4 N 10000 47500 10000 49500 4 C 8700 46800 1 90 0 thermistor.sym { T 8300 46900 5 10 0 1 90 0 1 device=THERMISTOR T 8505 46800 5 10 1 1 180 0 1 refdes=TH2 } C 8600 40800 1 90 0 resistor-2.sym { T 8250 41200 5 10 0 0 90 0 1 device=RESISTOR T 8500 41600 5 10 1 1 0 6 1 refdes=R6 T 8500 40900 5 10 1 1 180 0 1 value=1k } N 8500 47700 8500 49500 4 N 8500 46800 8500 41700 4 N 8500 40800 8500 40000 4 L 9300 49700 9300 47700 3 0 0 2 50 50 L 8600 47500 8800 47700 3 0 0 2 50 50 L 8800 49800 8800 47700 3 0 0 2 50 50 L 8800 49800 19100 49800 3 0 0 2 50 50 L 19100 49800 19100 45000 3 0 0 2 50 50 L 19100 45000 19300 44800 3 0 0 2 50 50 N 8000 45300 10400 45300 4 C 22300 44700 1 0 0 dc_motor-1.sym { T 22700 45700 5 10 0 0 0 0 1 device=DC_MOTOR T 22500 45600 5 10 1 1 0 0 1 refdes=M1 } C 22200 44800 1 90 0 diode-1.sym { T 21600 45200 5 10 0 0 90 0 1 device=DIODE T 22000 45600 5 10 1 1 180 0 1 refdes=D2 } N 11600 40100 11600 40000 4 L 18900 49700 18900 41800 3 0 0 2 50 50 L 18900 41800 19100 41600 3 0 0 2 50 50 L 9300 49700 18900 49700 3 0 0 2 50 50 C 8200 46800 1 90 0 thermistor.sym { T 7800 46900 5 10 0 1 90 0 1 device=THERMISTOR T 8005 46800 5 10 1 1 180 0 1 refdes=TH1 } C 8100 40800 1 90 0 resistor-2.sym { T 7750 41200 5 10 0 0 90 0 1 device=RESISTOR T 8000 41600 5 10 1 1 0 6 1 refdes=R5 T 8000 40900 5 10 1 1 180 0 1 value=1k } N 8000 47700 8000 49500 4 N 8000 46800 8000 41700 4 N 8000 40800 8000 40000 4 L 8100 47500 8300 47700 3 0 0 2 50 50 L 8300 49900 8300 47700 3 0 0 2 50 50 C 15100 40300 1 90 0 resistor-trimmer-2.sym { T 14200 41100 5 10 0 0 90 0 1 device=VARIABLE_RESISTOR T 15000 41100 5 10 1 1 0 0 1 refdes=R12 T 15000 40400 5 10 1 1 180 6 1 value=1k } N 14500 41500 15000 41500 4 N 15000 41500 15000 41200 4 N 15000 40300 15000 40000 4 C 16600 40300 1 90 0 resistor-trimmer-2.sym { T 15700 41100 5 10 0 0 90 0 1 device=VARIABLE_RESISTOR T 16500 41100 5 10 1 1 0 0 1 refdes=R15 T 16500 40400 5 10 1 1 180 6 1 value=1k } C 14800 41900 1 0 0 transistor.sym { T 15500 42100 5 8 1 1 180 0 1 device=2N6517 T 15500 42900 5 10 1 1 0 6 1 refdes=Q1 T 15800 42400 5 8 0 0 0 0 1 value=BC547 T 15800 42800 5 8 0 0 0 0 1 footprint=TO92 } C 16100 40300 1 90 0 resistor-2.sym { T 15750 40700 5 10 0 0 90 0 1 device=RESISTOR T 16000 41100 5 10 1 1 0 0 1 refdes=R13 T 16000 40400 5 10 1 1 180 6 1 value=220 } N 16000 40300 16000 40000 4 C 16600 47300 1 90 0 resistor-2.sym { T 16250 47700 5 10 0 0 90 0 1 device=RESISTOR T 16500 48100 5 10 1 1 0 0 1 refdes=R14 T 16500 47400 5 10 1 1 180 6 1 value=220 } N 16500 48200 16500 49500 4 C 10400 40100 1 0 0 ArduinoDue.sym { T 10700 42350 5 10 0 0 0 0 1 device=PIC16C505 T 10700 48100 5 10 1 1 0 0 1 refdes=MCU1 T 10700 42550 5 10 0 0 0 0 1 footprint=DIP14 T 11605 41595 5 10 1 1 90 0 1 documentation=http://www.robgray.com/temp/Due-pinout.pdf } N 9000 44700 10400 44700 4 C 14100 40300 1 90 0 resistor-2.sym { T 13750 40700 5 10 0 0 90 0 1 device=RESISTOR T 14000 41100 5 10 1 1 0 0 1 refdes=R9 T 14000 40400 5 10 1 1 180 6 1 value=1k } C 14200 42800 1 90 1 led-1.sym { T 13600 42000 5 10 0 0 270 2 1 device=LED T 14000 41700 5 10 1 1 0 6 1 refdes=LED1 T 13400 42000 5 10 0 0 270 2 1 symversion=0.1 } N 14000 42800 14000 44000 4 N 14000 41900 14000 41200 4 N 14000 40300 14000 40000 4 N 12700 40700 13500 40700 4 N 13500 40700 13500 44000 4 C 20300 44800 1 270 0 capacitor-5.sym { T 21400 44600 5 10 0 0 270 0 1 device=POLARIZED_CAPACITOR T 20500 44700 5 10 1 1 0 0 1 refdes=C2 T 21000 44600 5 10 0 0 270 0 1 symversion=0.1 T 20500 43900 5 10 1 1 0 0 1 value=100uF } N 20500 44800 20500 45900 4 N 20500 43800 20500 43500 4 C 10200 43200 1 90 1 capacitor-5.sym { T 9100 43000 5 10 0 0 270 2 1 device=POLARIZED_CAPACITOR T 10000 42900 5 10 1 1 180 8 1 refdes=C1 T 9500 43000 5 10 0 0 270 2 1 symversion=0.1 T 10000 42500 5 10 1 1 180 0 1 value=10uF } N 10400 47100 10000 47100 4 N 10000 47100 10000 43200 4 N 10000 42200 10000 40000 4 N 7000 49000 19500 49000 4 T 19200 49000 5 10 1 1 0 0 1 netname=+14v N 19500 42500 20100 42500 4 N 21000 41500 21000 42500 4 C 21000 41600 1 180 0 resistor-2.sym { T 20600 41250 5 10 0 0 180 0 1 device=RESISTOR T 20300 41600 5 10 1 1 0 0 1 refdes=R18 T 20300 41400 5 10 1 1 180 6 1 value=22 } N 20100 41500 20000 41500 4 L 9800 49600 20800 49600 3 0 0 2 50 50 C 9600 40800 1 90 0 resistor-2.sym { T 9250 41200 5 10 0 0 90 0 1 device=RESISTOR T 9500 41600 5 10 1 1 0 6 1 refdes=R8 T 9500 40900 5 10 1 1 180 0 1 value=1k } N 9500 47700 9500 49500 4 N 9500 46800 9500 41700 4 N 9500 40800 9500 40000 4 L 9600 47500 9800 47700 3 0 0 2 50 50 L 9800 49600 9800 47700 3 0 0 2 50 50 C 9700 46800 1 90 0 thermistor.sym { T 9300 46900 5 10 0 1 90 0 1 device=THERMISTOR T 9505 46800 5 10 1 1 180 0 1 refdes=TH4 } L 20800 49600 20800 46900 3 0 0 2 50 50 N 9500 45500 10400 45500 4 C 21300 46900 1 0 0 transistor.sym { T 22000 47100 5 8 1 1 180 0 1 device=ZTX658 T 22000 47900 5 10 1 1 0 6 1 refdes=Q8 } N 22000 48100 22000 49500 4 N 22000 46500 22000 46900 4 C 21200 45900 1 0 1 transistor.sym { T 20500 46100 5 8 1 1 180 6 1 device=MJE13007G T 20500 46900 5 10 1 1 0 0 1 refdes=Q7 } N 20500 47100 20500 49500 4 N 22000 46500 21200 46500 4 L 20800 46900 20700 46800 3 0 0 2 50 50 N 19000 49000 19000 45500 4 N 19000 45500 20500 45500 4 C 19900 47500 1 270 1 resistor-2.sym { T 20250 47900 5 10 0 0 90 2 1 device=RESISTOR T 20000 48300 5 10 1 1 0 6 1 refdes=R17 T 19900 47600 5 10 1 1 180 0 1 value=10k } C 20200 43900 1 90 0 zener-4.sym { T 19600 44300 5 10 0 0 90 0 1 device=DIODE T 20000 44600 5 10 1 1 0 0 1 refdes=D1 T 20000 44100 5 10 1 1 180 6 1 value=15v } N 20000 49500 20000 48400 4 N 20000 47500 21300 47500 4 N 20000 47500 20000 44800 4 N 20000 43900 20000 43500 4 C 21000 42600 1 180 0 resistor-2.sym { T 20600 42250 5 10 0 0 180 0 1 device=RESISTOR T 20300 42600 5 10 1 1 0 0 1 refdes=R19 T 20300 42400 5 10 1 1 180 6 1 value=22 } N 15500 44000 15500 43100 4 N 16000 42000 16000 41200 4 N 16500 41500 16800 41500 4 N 21000 42500 21700 42500 4 N 22000 46000 22500 46000 4 C 17600 47300 1 90 0 resistor-2.sym { T 17250 47700 5 10 0 0 90 0 1 device=RESISTOR T 17500 48100 5 10 1 1 0 0 1 refdes=R16 T 17500 47400 5 10 1 1 180 6 1 value=1k } N 17800 45500 17500 45500 4 N 17500 48200 17500 49000 4 C 21300 44800 1 270 0 capacitor-5.sym { T 22400 44600 5 10 0 0 270 0 1 device=POLARIZED_CAPACITOR T 21500 44700 5 10 1 1 0 0 1 refdes=C3 T 22000 44600 5 10 0 0 270 0 1 symversion=0.1 T 21500 43900 5 10 1 1 0 0 1 value=470uF } N 21500 44800 21500 45000 4 N 20000 45000 21500 45000 4 N 21500 43500 20000 43500 4 N 21500 40000 21500 43800 4 C 23000 46600 1 0 0 PowerRelay.sym { T 23500 48650 5 10 0 1 0 0 1 device=RELAY T 23500 47900 5 10 1 1 0 0 1 refdes=S2 } N 23500 48000 23500 49500 4 C 23700 41800 1 90 1 battery-4.sym { T 23000 41500 5 10 0 0 270 2 1 device=BATTERY T 22750 41500 5 10 0 0 270 2 1 symversion=0.1 T 23500 41200 5 10 1 1 0 6 1 refdes=B2 T 23500 40800 5 10 1 1 0 6 1 value=12vDC } N 23500 41800 23500 44800 4 N 23500 44500 23100 44500 4 N 23100 44500 23100 46600 4 N 23100 48000 23100 48500 4 C 23300 46300 1 270 0 battery-4.sym { T 24000 46000 5 10 0 0 270 0 1 device=BATTERY T 24250 46000 5 10 0 0 270 0 1 symversion=0.1 T 23500 45700 5 10 1 1 0 0 1 refdes=B1 T 23500 45300 5 10 1 1 0 0 1 value=36vDC } C 13000 45500 1 0 0 reedrelay.sym { T 13500 47550 5 10 0 1 0 0 1 device=RELAY T 13500 46850 5 10 1 1 0 0 1 refdes=S1 } N 13500 45500 13500 44500 4 N 13100 47100 13100 46900 4 N 13100 45500 13100 40000 4 N 12700 47100 13100 47100 4 N 13500 48500 13500 46900 4 N 13500 48500 24000 48500 4 N 13100 44500 13500 44500 4 N 24000 47200 24000 48500 4 C 23800 47200 1 270 0 led-1.sym { T 24400 46400 5 10 0 0 270 0 1 device=LED T 24000 47200 5 10 1 1 0 0 1 refdes=LED2 T 24600 46400 5 10 0 0 270 0 1 symversion=0.1 } N 24000 46300 24000 43200 4 N 24000 42300 24000 40000 4 C 24100 42300 1 90 0 resistor-2.sym { T 24000 43100 5 10 1 1 0 0 1 refdes=R20 T 24000 42400 5 10 1 1 180 6 1 value=1k T 23750 42700 5 10 0 0 90 0 1 device=RESISTOR } N 23500 46600 23500 46300 4 N 18500 49500 18500 49100 4 N 18500 49100 7500 49100 4 N 7500 40800 7500 40000 4 C 7600 40800 1 90 0 resistor-2.sym { T 7250 41200 5 10 0 0 90 0 1 device=RESISTOR T 7500 41600 5 10 1 1 0 6 1 refdes=R4 T 7500 40900 5 10 1 1 180 0 1 value=1k } N 7500 41700 7500 46800 4 C 7600 46800 1 90 0 resistor-2.sym { T 7250 47200 5 10 0 0 90 0 1 device=RESISTOR T 7500 47600 5 10 1 1 0 6 1 refdes=R3 T 7500 46900 5 10 1 1 180 0 1 value=22k } N 7500 49100 7500 47700 4 N 10400 45700 7500 45700 4 N 7000 40800 7000 40000 4 C 7100 40800 1 90 0 resistor-2.sym { T 6750 41200 5 10 0 0 90 0 1 device=RESISTOR T 7000 41600 5 10 1 1 0 6 1 refdes=R2 T 7000 40900 5 10 1 1 180 0 1 value=1k } N 7000 41700 7000 46800 4 C 7100 46800 1 90 0 resistor-2.sym { T 6750 47200 5 10 0 0 90 0 1 device=RESISTOR T 7000 47600 5 10 1 1 0 6 1 refdes=R1 T 7000 46900 5 10 1 1 180 0 1 value=22k } N 7000 49000 7000 47700 4 N 10400 45900 7000 45900 4 T 24100 40000 5 10 1 1 0 0 1 netname=GND N 23500 40000 23500 40300 4 T 14000 48000 9 10 1 0 0 2 15 Vout = Vin * R2 / (R1 + R2) R1 = (Vin / Vout - 1) * R2 R1 = (60 / 3.3 - 1) * 1000 R1 = 17181.8 Vin = Vout * (R1 + R2) / R2 Vin = 3.3 * (22000 + 1000) / 1000 Vin = 75.9 R1=22k, R2=1k gives up to ~76vDC 75.9 / 1024 = 0.074121094 = 74mV Resolution of 74mV per increment N 15500 44000 16500 44000 4 C 20800 48400 1 270 0 capacitor-5.sym { T 21900 48200 5 10 0 0 270 0 1 device=POLARIZED_CAPACITOR T 21000 48300 5 10 1 1 0 0 1 refdes=C4 T 21500 48200 5 10 0 0 270 0 1 symversion=0.1 T 21000 47500 5 10 1 1 0 0 1 value=100uF } N 21000 48400 21000 49500 4 N 21000 43500 21000 47400 4 N 20000 42500 20000 41500 4