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rs485-interface.sch
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rs485-interface.sch
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EESchema Schematic File Version 5
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 5 5
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
Comment5 ""
Comment6 ""
Comment7 ""
Comment8 ""
Comment9 ""
$EndDescr
Text HLabel 3175 2900 0 50 Input ~ 0
GND
Text HLabel 3175 2400 0 50 Input ~ 0
DE
Text HLabel 2975 2500 0 50 Input ~ 0
~RE
Wire Wire Line
2975 2500 3375 2500
$Comp
L Device:R R9
U 1 1 58FEF0D0
P 3175 2750
F 0 "R9" V 3255 2750 50 0000 C CNN
F 1 "1M" V 3182 2751 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3105 2750 30 0001 C CNN
F 3 "" H 3175 2750 30 0000 C CNN
F 4 "Generic 5% resistor" H 3175 2750 50 0001 C CNN "Comment"
1 3175 2750
1 0 0 -1
$EndComp
Text HLabel 4675 2200 2 50 Input ~ 0
A
Text HLabel 4675 2400 2 50 Input ~ 0
B
Text Label 4675 2200 2 60 ~ 0
RS485A
Text Label 4675 2400 2 60 ~ 0
RS485B
Wire Wire Line
4175 2400 4675 2400
Wire Wire Line
3775 1700 3775 1250
Connection ~ 3775 1700
Wire Wire Line
3775 1900 3775 1700
Wire Wire Line
4175 2200 4675 2200
Wire Wire Line
3775 1250 4025 1250
Text HLabel 3775 1250 0 50 Input ~ 0
VIN
$Comp
L Device:C C12
U 1 1 54DF0C76
P 4025 1400
F 0 "C12" H 4075 1500 50 0000 L CNN
F 1 "1u" H 4075 1300 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4063 1250 30 0001 C CNN
F 3 "" H 4025 1400 60 0000 C CNN
F 4 "Generic X5R capacitor" H 4025 1400 50 0001 C CNN "Comment"
1 4025 1400
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR018
U 1 1 54DF0CCD
P 4025 1550
F 0 "#PWR018" H 4025 1300 60 0001 C CNN
F 1 "GND" H 4025 1400 60 0000 C CNN
F 2 "" H 4025 1550 60 0000 C CNN
F 3 "" H 4025 1550 60 0000 C CNN
1 4025 1550
1 0 0 -1
$EndComp
Text HLabel 1550 2075 0 50 Input ~ 0
ENABLE
Wire Wire Line
1550 2375 2150 2375
Wire Wire Line
2150 2375 2150 2525
Text HLabel 2150 2525 0 50 Input ~ 0
GND
Wire Wire Line
2150 2275 2150 2375
Connection ~ 2150 2375
$Comp
L Device:R R10
U 1 1 5DC0D0CD
P 1700 2075
F 0 "R10" V 1493 2075 50 0000 C CNN
F 1 "150" V 1584 2075 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 1630 2075 50 0001 C CNN
F 3 "~" H 1700 2075 50 0001 C CNN
1 1700 2075
0 1 1 0
$EndComp
$Comp
L Device:R R16
U 1 1 5D8F7219
P 1550 2225
F 0 "R16" H 1481 2179 50 0000 R CNN
F 1 "1M" H 1481 2270 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 1480 2225 50 0001 C CNN
F 3 "~" H 1550 2225 50 0001 C CNN
1 1550 2225
1 0 0 -1
$EndComp
Wire Wire Line
3175 2600 3175 2400
Wire Wire Line
3175 2900 3775 2900
Wire Wire Line
3775 2900 3775 2700
Wire Wire Line
3175 2400 3375 2400
$Comp
L miceuz:SN65HVD U1
U 1 1 54DF0ADA
P 3775 2300
F 0 "U1" H 3475 2650 50 0000 L CNN
F 1 "SN65HVD72" H 3875 2650 50 0000 L CNN
F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 3775 2300 50 0001 C CIN
F 3 "" H 3775 2300 60 0000 C CNN
F 4 "SN65HVD72DR" H 3775 2300 60 0001 C CNN "PartNo"
F 5 "TEXAS INSTRUMENTS" H 3775 2300 60 0001 C CNN "Manufacturer"
F 6 "2542747" H 3775 2300 60 0001 C CNN "Distributor"
1 3775 2300
1 0 0 -1
$EndComp
Wire Wire Line
1600 1250 1850 1250
Text HLabel 1600 1250 0 50 Input ~ 0
BATT
Wire Wire Line
1850 1250 1950 1250
Connection ~ 1850 1250
$Comp
L Device:Q_PMOS_GSD Q1
U 1 1 5D8C5F67
P 2150 1350
F 0 "Q1" V 2350 1350 50 0000 C CNN
F 1 "Q_PMOS_GSD" V 2387 1350 50 0001 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 2350 1450 29 0001 C CNN
F 3 "" H 2150 1350 60 0000 C CNN
F 4 "NX2301P,215 " H 2150 1350 60 0001 C CNN "PartNo"
F 5 "NXP" H 2150 1350 60 0001 C CNN "Manufacturer"
F 6 "1894738" H 2150 1350 60 0001 C CNN "Distributor"
F 7 "Exact as specified" H 2150 1350 50 0001 C CNN "Comment"
1 2150 1350
0 1 -1 0
$EndComp
$Comp
L Device:R R8
U 1 1 5D8C5F68
P 1850 1400
F 0 "R8" H 1781 1354 50 0000 R CNN
F 1 "1M" H 1781 1445 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 1780 1400 50 0001 C CNN
F 3 "~" H 1850 1400 50 0001 C CNN
1 1850 1400
1 0 0 1
$EndComp
Wire Wire Line
2150 1875 2150 1550
Wire Wire Line
1850 1550 2150 1550
Connection ~ 2150 1550
Text HLabel 2350 1250 2 50 Input ~ 0
VOUT
$Comp
L Device:Q_NMOS_GSD Q2
U 1 1 5C9CE926
P 2050 2075
F 0 "Q2" H 2256 2075 50 0000 L CNN
F 1 "Q_NMOS_GSD" H 2256 2030 50 0001 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 2250 2175 50 0001 C CNN
F 3 "~" H 2050 2075 50 0001 C CNN
F 4 "NTR4003NT1G" H 2050 2075 50 0001 C CNN "PartNo"
F 5 "ON SEMICONDUCTOR" H 2050 2075 50 0001 C CNN "Manufacturer"
1 2050 2075
1 0 0 -1
$EndComp
Wire Wire Line
2975 2000 2975 2500
Wire Wire Line
2975 1700 3775 1700
Text HLabel 3375 2100 0 50 Input ~ 0
DI
Text HLabel 3375 2200 0 50 Input ~ 0
RO
$Comp
L Device:R R3
U 1 1 58FF80B2
P 2975 1850
F 0 "R3" V 3055 1850 50 0000 C CNN
F 1 "1M" V 2982 1851 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2905 1850 30 0001 C CNN
F 3 "" H 2975 1850 30 0000 C CNN
F 4 "Generic 5% resistor" H 2975 1850 50 0001 C CNN "Comment"
1 2975 1850
1 0 0 -1
$EndComp
$EndSCHEMATC