Added resistors to protect the driver MOSFET gates
These were missing in v1.0 and have been patched in during assembly. Without R32 and R33, too much voltage difference would be applied to the gates of the driver transistors Q2 and Q7, destroying the transistors.
This commit is contained in:
parent
39166f4c92
commit
973d1f0b6f
122
switching.sch
122
switching.sch
|
@ -592,7 +592,7 @@ L Device:R R5
|
||||||
U 1 1 6090AC2B
|
U 1 1 6090AC2B
|
||||||
P 2000 950
|
P 2000 950
|
||||||
F 0 "R5" V 2207 950 50 0000 C CNN
|
F 0 "R5" V 2207 950 50 0000 C CNN
|
||||||
F 1 "100k" V 2116 950 50 0000 C CNN
|
F 1 "47k" V 2116 950 50 0000 C CNN
|
||||||
F 2 "Resistor_SMD:R_0603_1608Metric" V 1930 950 50 0001 C CNN
|
F 2 "Resistor_SMD:R_0603_1608Metric" V 1930 950 50 0001 C CNN
|
||||||
F 3 "~" H 2000 950 50 0001 C CNN
|
F 3 "~" H 2000 950 50 0001 C CNN
|
||||||
1 2000 950
|
1 2000 950
|
||||||
|
@ -601,20 +601,20 @@ $EndComp
|
||||||
$Comp
|
$Comp
|
||||||
L power:GND #PWR08
|
L power:GND #PWR08
|
||||||
U 1 1 6090A86E
|
U 1 1 6090A86E
|
||||||
P 1750 2000
|
P 1750 2150
|
||||||
F 0 "#PWR08" H 1750 1750 50 0001 C CNN
|
F 0 "#PWR08" H 1750 1900 50 0001 C CNN
|
||||||
F 1 "GND" H 1755 1827 50 0000 C CNN
|
F 1 "GND" H 1755 1977 50 0000 C CNN
|
||||||
F 2 "" H 1750 2000 50 0001 C CNN
|
F 2 "" H 1750 2150 50 0001 C CNN
|
||||||
F 3 "" H 1750 2000 50 0001 C CNN
|
F 3 "" H 1750 2150 50 0001 C CNN
|
||||||
1 1750 2000
|
1 1750 2150
|
||||||
1 0 0 -1
|
1 0 0 -1
|
||||||
$EndComp
|
$EndComp
|
||||||
Wire Wire Line
|
Wire Wire Line
|
||||||
1750 1900 1750 2000
|
1750 2100 1750 2150
|
||||||
Wire Wire Line
|
Wire Wire Line
|
||||||
1750 1200 1950 1200
|
1750 1200 1950 1200
|
||||||
Wire Wire Line
|
Wire Wire Line
|
||||||
1750 1500 1750 1200
|
1750 1700 1750 1600
|
||||||
Wire Wire Line
|
Wire Wire Line
|
||||||
2250 900 2250 950
|
2250 900 2250 950
|
||||||
$Comp
|
$Comp
|
||||||
|
@ -631,27 +631,27 @@ $EndComp
|
||||||
$Comp
|
$Comp
|
||||||
L Transistor_FET:2N7002 Q1
|
L Transistor_FET:2N7002 Q1
|
||||||
U 1 1 608A7BB3
|
U 1 1 608A7BB3
|
||||||
P 1650 1700
|
P 1650 1900
|
||||||
F 0 "Q1" H 1854 1746 50 0000 L CNN
|
F 0 "Q1" H 1854 1946 50 0000 L CNN
|
||||||
F 1 "2N7002" H 1854 1655 50 0000 L CNN
|
F 1 "2N7002" H 1854 1855 50 0000 L CNN
|
||||||
F 2 "Package_TO_SOT_SMD:SOT-23" H 1850 1625 50 0001 L CIN
|
F 2 "Package_TO_SOT_SMD:SOT-23" H 1850 1825 50 0001 L CIN
|
||||||
F 3 "https://www.onsemi.com/pub/Collateral/NDS7002A-D.PDF" H 1650 1700 50 0001 L CNN
|
F 3 "https://www.onsemi.com/pub/Collateral/NDS7002A-D.PDF" H 1650 1900 50 0001 L CNN
|
||||||
1 1650 1700
|
1 1650 1900
|
||||||
1 0 0 -1
|
1 0 0 -1
|
||||||
$EndComp
|
$EndComp
|
||||||
Wire Wire Line
|
Wire Wire Line
|
||||||
1400 1700 1450 1700
|
1400 1900 1450 1900
|
||||||
Wire Wire Line
|
Wire Wire Line
|
||||||
1050 1700 1100 1700
|
1050 1900 1100 1900
|
||||||
$Comp
|
$Comp
|
||||||
L Device:R R1
|
L Device:R R1
|
||||||
U 1 1 6088F7A2
|
U 1 1 6088F7A2
|
||||||
P 1250 1700
|
P 1250 1900
|
||||||
F 0 "R1" V 1043 1700 50 0000 C CNN
|
F 0 "R1" V 1043 1900 50 0000 C CNN
|
||||||
F 1 "10k" V 1134 1700 50 0000 C CNN
|
F 1 "10k" V 1134 1900 50 0000 C CNN
|
||||||
F 2 "Resistor_SMD:R_0603_1608Metric" V 1180 1700 50 0001 C CNN
|
F 2 "Resistor_SMD:R_0603_1608Metric" V 1180 1900 50 0001 C CNN
|
||||||
F 3 "~" H 1250 1700 50 0001 C CNN
|
F 3 "~" H 1250 1900 50 0001 C CNN
|
||||||
1 1250 1700
|
1 1250 1900
|
||||||
0 1 1 0
|
0 1 1 0
|
||||||
$EndComp
|
$EndComp
|
||||||
Text GLabel 1000 2500 0 50 Input ~ 0
|
Text GLabel 1000 2500 0 50 Input ~ 0
|
||||||
|
@ -739,7 +739,7 @@ L Device:R R20
|
||||||
U 1 1 6094D851
|
U 1 1 6094D851
|
||||||
P 9250 950
|
P 9250 950
|
||||||
F 0 "R20" V 9457 950 50 0000 C CNN
|
F 0 "R20" V 9457 950 50 0000 C CNN
|
||||||
F 1 "100k" V 9366 950 50 0000 C CNN
|
F 1 "47k" V 9366 950 50 0000 C CNN
|
||||||
F 2 "Resistor_SMD:R_0603_1608Metric" V 9180 950 50 0001 C CNN
|
F 2 "Resistor_SMD:R_0603_1608Metric" V 9180 950 50 0001 C CNN
|
||||||
F 3 "~" H 9250 950 50 0001 C CNN
|
F 3 "~" H 9250 950 50 0001 C CNN
|
||||||
1 9250 950
|
1 9250 950
|
||||||
|
@ -748,18 +748,18 @@ $EndComp
|
||||||
$Comp
|
$Comp
|
||||||
L power:GND #PWR021
|
L power:GND #PWR021
|
||||||
U 1 1 6094D85B
|
U 1 1 6094D85B
|
||||||
P 9000 2000
|
P 9000 2100
|
||||||
F 0 "#PWR021" H 9000 1750 50 0001 C CNN
|
F 0 "#PWR021" H 9000 1850 50 0001 C CNN
|
||||||
F 1 "GND" H 9005 1827 50 0000 C CNN
|
F 1 "GND" H 9005 1927 50 0000 C CNN
|
||||||
F 2 "" H 9000 2000 50 0001 C CNN
|
F 2 "" H 9000 2100 50 0001 C CNN
|
||||||
F 3 "" H 9000 2000 50 0001 C CNN
|
F 3 "" H 9000 2100 50 0001 C CNN
|
||||||
1 9000 2000
|
1 9000 2100
|
||||||
1 0 0 -1
|
1 0 0 -1
|
||||||
$EndComp
|
$EndComp
|
||||||
Wire Wire Line
|
Wire Wire Line
|
||||||
9000 1200 9200 1200
|
9000 1200 9200 1200
|
||||||
Wire Wire Line
|
Wire Wire Line
|
||||||
9000 1500 9000 1200
|
9000 1600 9000 1550
|
||||||
Wire Wire Line
|
Wire Wire Line
|
||||||
9500 900 9500 950
|
9500 900 9500 950
|
||||||
$Comp
|
$Comp
|
||||||
|
@ -776,27 +776,27 @@ $EndComp
|
||||||
$Comp
|
$Comp
|
||||||
L Transistor_FET:2N7002 Q6
|
L Transistor_FET:2N7002 Q6
|
||||||
U 1 1 6094D873
|
U 1 1 6094D873
|
||||||
P 8900 1700
|
P 8900 1800
|
||||||
F 0 "Q6" H 9104 1746 50 0000 L CNN
|
F 0 "Q6" H 9104 1846 50 0000 L CNN
|
||||||
F 1 "2N7002" H 9104 1655 50 0000 L CNN
|
F 1 "2N7002" H 9104 1755 50 0000 L CNN
|
||||||
F 2 "Package_TO_SOT_SMD:SOT-23" H 9100 1625 50 0001 L CIN
|
F 2 "Package_TO_SOT_SMD:SOT-23" H 9100 1725 50 0001 L CIN
|
||||||
F 3 "https://www.onsemi.com/pub/Collateral/NDS7002A-D.PDF" H 8900 1700 50 0001 L CNN
|
F 3 "https://www.onsemi.com/pub/Collateral/NDS7002A-D.PDF" H 8900 1800 50 0001 L CNN
|
||||||
1 8900 1700
|
1 8900 1800
|
||||||
1 0 0 -1
|
1 0 0 -1
|
||||||
$EndComp
|
$EndComp
|
||||||
Wire Wire Line
|
Wire Wire Line
|
||||||
8650 1700 8700 1700
|
8650 1800 8700 1800
|
||||||
Wire Wire Line
|
Wire Wire Line
|
||||||
8300 1700 8350 1700
|
8300 1800 8350 1800
|
||||||
$Comp
|
$Comp
|
||||||
L Device:R R18
|
L Device:R R18
|
||||||
U 1 1 6094D87F
|
U 1 1 6094D87F
|
||||||
P 8500 1700
|
P 8500 1800
|
||||||
F 0 "R18" V 8293 1700 50 0000 C CNN
|
F 0 "R18" V 8293 1800 50 0000 C CNN
|
||||||
F 1 "10k" V 8384 1700 50 0000 C CNN
|
F 1 "10k" V 8384 1800 50 0000 C CNN
|
||||||
F 2 "Resistor_SMD:R_0603_1608Metric" V 8430 1700 50 0001 C CNN
|
F 2 "Resistor_SMD:R_0603_1608Metric" V 8430 1800 50 0001 C CNN
|
||||||
F 3 "~" H 8500 1700 50 0001 C CNN
|
F 3 "~" H 8500 1800 50 0001 C CNN
|
||||||
1 8500 1700
|
1 8500 1800
|
||||||
0 1 1 0
|
0 1 1 0
|
||||||
$EndComp
|
$EndComp
|
||||||
Wire Wire Line
|
Wire Wire Line
|
||||||
|
@ -848,7 +848,7 @@ Wire Wire Line
|
||||||
9850 2500 10150 2500
|
9850 2500 10150 2500
|
||||||
Connection ~ 9500 2000
|
Connection ~ 9500 2000
|
||||||
Wire Wire Line
|
Wire Wire Line
|
||||||
9000 2000 9000 1900
|
9000 2100 9000 2000
|
||||||
$Comp
|
$Comp
|
||||||
L Device:R R2
|
L Device:R R2
|
||||||
U 1 1 6097F850
|
U 1 1 6097F850
|
||||||
|
@ -974,13 +974,13 @@ Text GLabel 6750 6050 2 50 Output ~ 0
|
||||||
Meas_U_SW
|
Meas_U_SW
|
||||||
Text GLabel 6750 5300 2 50 Output ~ 0
|
Text GLabel 6750 5300 2 50 Output ~ 0
|
||||||
Meas_U_Solar
|
Meas_U_Solar
|
||||||
Text GLabel 1050 1700 0 50 Input ~ 0
|
Text GLabel 1050 1900 0 50 Input ~ 0
|
||||||
Solar_Sw
|
Solar_Sw
|
||||||
Text GLabel 7100 4000 1 50 Output ~ 0
|
Text GLabel 7100 4000 1 50 Output ~ 0
|
||||||
Meas_I_Solar
|
Meas_I_Solar
|
||||||
Text GLabel 9950 5650 2 50 Output ~ 0
|
Text GLabel 9950 5650 2 50 Output ~ 0
|
||||||
Meas_U_Bat
|
Meas_U_Bat
|
||||||
Text GLabel 8300 1700 0 50 Input ~ 0
|
Text GLabel 8300 1800 0 50 Input ~ 0
|
||||||
Load_Sw
|
Load_Sw
|
||||||
Text GLabel 10700 4000 1 50 Output ~ 0
|
Text GLabel 10700 4000 1 50 Output ~ 0
|
||||||
Meas_I_Load
|
Meas_I_Load
|
||||||
|
@ -1311,4 +1311,30 @@ F 3 "~" H 2250 1700 50 0001 C CNN
|
||||||
1 2250 1700
|
1 2250 1700
|
||||||
-1 0 0 1
|
-1 0 0 1
|
||||||
$EndComp
|
$EndComp
|
||||||
|
$Comp
|
||||||
|
L Device:R R32
|
||||||
|
U 1 1 60C5C5A7
|
||||||
|
P 1750 1450
|
||||||
|
F 0 "R32" H 1680 1404 50 0000 R CNN
|
||||||
|
F 1 "220k" H 1680 1495 50 0000 R CNN
|
||||||
|
F 2 "Resistor_SMD:R_0603_1608Metric" V 1680 1450 50 0001 C CNN
|
||||||
|
F 3 "~" H 1750 1450 50 0001 C CNN
|
||||||
|
1 1750 1450
|
||||||
|
-1 0 0 1
|
||||||
|
$EndComp
|
||||||
|
Wire Wire Line
|
||||||
|
1750 1300 1750 1200
|
||||||
|
$Comp
|
||||||
|
L Device:R R33
|
||||||
|
U 1 1 60C7F36D
|
||||||
|
P 9000 1400
|
||||||
|
F 0 "R33" H 8930 1354 50 0000 R CNN
|
||||||
|
F 1 "220k" H 8930 1445 50 0000 R CNN
|
||||||
|
F 2 "Resistor_SMD:R_0603_1608Metric" V 8930 1400 50 0001 C CNN
|
||||||
|
F 3 "~" H 9000 1400 50 0001 C CNN
|
||||||
|
1 9000 1400
|
||||||
|
-1 0 0 1
|
||||||
|
$EndComp
|
||||||
|
Wire Wire Line
|
||||||
|
9000 1250 9000 1200
|
||||||
$EndSCHEMATC
|
$EndSCHEMATC
|
||||||
|
|
Loading…
Reference in a new issue