/
battery-protection.sch
170 lines (170 loc) · 4.11 KB
/
battery-protection.sch
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
EESchema Schematic File Version 5
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 5
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
Comment5 ""
Comment6 ""
Comment7 ""
Comment8 ""
Comment9 ""
$EndDescr
Text HLabel 1475 1800 0 50 Input ~ 0
VIN
Text HLabel 2175 2100 0 50 Input ~ 0
GND
Wire Wire Line
1775 1800 2175 1800
Connection ~ 2175 1800
Wire Wire Line
2175 1800 2500 1800
$Comp
L Device:D_TVS D5
U 1 1 5DC183A7
P 2175 1950
F 0 "D5" V 2175 2029 50 0000 L CNN
F 1 "D_TVS" V 2220 2029 50 0001 L CNN
F 2 "Diode_SMD:D_SOD-123F" H 2175 1950 50 0001 C CNN
F 3 "~" H 2175 1950 50 0001 C CNN
F 4 "SMF11A" H 2175 1950 50 0001 C CNN "PartNo"
F 5 "Littlefuse" H 2175 1950 50 0001 C CNN "Manufacturer"
1 2175 1950
0 1 1 0
$EndComp
$Comp
L Device:Thermistor_PTC TH1
U 1 1 5DC19068
P 1625 1800
F 0 "TH1" V 1769 1800 50 0000 C CNN
F 1 "Thermistor_PTC" V 1769 1800 50 0001 C CNN
F 2 "Fuse:Fuse_1206_3216Metric" H 1675 1600 50 0001 L CNN
F 3 "~" H 1625 1800 50 0001 C CNN
F 4 "nSMD075-13.2V" H 1625 1800 50 0001 C CNN "PartNo"
F 5 "TECHFUSE" H 1625 1800 50 0001 C CNN "Manufacturer"
1 1625 1800
0 -1 -1 0
$EndComp
Text HLabel 4000 1800 2 50 Input ~ 0
VOUT
Wire Wire Line
3250 1800 3375 1800
Wire Wire Line
3775 1800 4000 1800
Wire Wire Line
3775 2850 4000 2850
Wire Wire Line
4000 1800 4000 2850
Wire Wire Line
3250 2100 3575 2100
$Comp
L Device:D D3
U 1 1 5D86D14C
P 3625 2850
F 0 "D3" H 3625 2634 50 0000 C CNN
F 1 "1N4148" H 3625 2725 50 0000 C CNN
F 2 "Diode_SMD:D_SOD-123" H 3625 2850 50 0001 C CNN
F 3 "~" H 3625 2850 50 0001 C CNN
F 4 "Diodes Inc" H 3625 2850 50 0001 C CNN "Manufacturer"
F 5 "1N4148W-7-F" H 3625 2850 50 0001 C CNN "PartNo"
1 3625 2850
-1 0 0 1
$EndComp
$Comp
L Device:R R24
U 1 1 5DC22CF0
P 3250 2250
F 0 "R24" H 3320 2296 50 0000 L CNN
F 1 "1M" H 3320 2205 50 0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3180 2250 50 0001 C CNN
F 3 "~" H 3250 2250 50 0001 C CNN
1 3250 2250
1 0 0 -1
$EndComp
Connection ~ 3250 1800
Wire Wire Line
2950 1800 3250 1800
Connection ~ 3250 2100
Wire Wire Line
2950 2100 3250 2100
$Comp
L Device:D_Zener D2
U 1 1 5E21FE6A
P 2950 1950
F 0 "D2" V 2905 2030 50 0000 L CNN
F 1 "7.6V" V 2995 2030 50 0000 L CNN
F 2 "Diode_SMD:D_SOD-323" H 2950 1950 50 0001 C CNN
F 3 "~" H 2950 1950 50 0001 C CNN
F 4 "MM3Z7V5ST1G" H 2950 1950 50 0001 C CNN "PartNo"
F 5 "ON SEMI" H 2950 1950 50 0001 C CNN "Manufacturer"
1 2950 1950
0 1 1 0
$EndComp
$Comp
L Device:Q_PMOS_GSD Q4
U 1 1 5DC24989
P 3575 1900
F 0 "Q4" V 3775 1900 50 0000 C CNN
F 1 "Q_PMOS_GSD" V 3812 1900 50 0001 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 3775 2000 29 0001 C CNN
F 3 "" H 3575 1900 60 0000 C CNN
F 4 "NX2301P,215 " H 3575 1900 60 0001 C CNN "PartNo"
F 5 "NXP" H 3575 1900 60 0001 C CNN "Manufacturer"
F 6 "1894738" H 3575 1900 60 0001 C CNN "Distributor"
F 7 "Exact as specified" H 3575 1900 50 0001 C CNN "Comment"
1 3575 1900
0 1 -1 0
$EndComp
$Comp
L Device:R R21
U 1 1 5DC1D764
P 3250 1950
F 0 "R21" H 3320 1996 50 0000 L CNN
F 1 "1M" H 3320 1905 50 0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3180 1950 50 0001 C CNN
F 3 "~" H 3250 1950 50 0001 C CNN
1 3250 1950
1 0 0 -1
$EndComp
Wire Wire Line
2700 2100 2950 2100
Connection ~ 2700 2100
Text HLabel 2400 2850 0 50 Input ~ 0
VBUS
Connection ~ 2700 2850
Wire Wire Line
2400 2850 2700 2850
Wire Wire Line
2700 2100 2700 2850
Wire Wire Line
2700 2850 3475 2850
Text HLabel 3250 2400 0 50 Input ~ 0
GND
Connection ~ 2950 1800
Connection ~ 2950 2100
Wire Wire Line
2900 1800 2950 1800
$Comp
L Device:Q_PMOS_GSD Q3
U 1 1 5DC1ADD3
P 2700 1900
F 0 "Q3" V 2900 1900 50 0000 C CNN
F 1 "Q_PMOS_GSD" V 2937 1900 50 0001 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 2900 2000 29 0001 C CNN
F 3 "" H 2700 1900 60 0000 C CNN
F 4 "NX2301P,215 " H 2700 1900 60 0001 C CNN "PartNo"
F 5 "NXP" H 2700 1900 60 0001 C CNN "Manufacturer"
F 6 "1894738" H 2700 1900 60 0001 C CNN "Distributor"
F 7 "Exact as specified" H 2700 1900 50 0001 C CNN "Comment"
1 2700 1900
0 -1 -1 0
$EndComp
$EndSCHEMATC