morgan/esp32-dual-lora
1
0
Fork 0
Code Issues 7 Pull requests Projects Releases Wiki Activity

simplified parts of design, switched to AP2112K-3.3 for power reg

Browse source
This commit is contained in:
Morgan 'ARR\!' Allen 2021-06-15 16:33:19 -07:00
parent a83fe17a11
commit 53727820aa
3 changed files with 1678 additions and 2133 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3434
loranet2.kicad_pcb
View file

File diff suppressed because it is too large Load diff

4
loranet2.pro
View file

@ -1,4 +1,4 @@
update=Tue 28 Apr 2020 08:11:04 AM PDT update=Tue 15 Jun 2021 04:25:08 PM PDT
version=1 version=1
last_client=kicad last_client=kicad
[general] [general]
@ -29,6 +29,8 @@ MinMicroViaDiameter=0.2
MinMicroViaDrill=0.09999999999999999 MinMicroViaDrill=0.09999999999999999
MinHoleToHole=0.25 MinHoleToHole=0.25
TrackWidth1=0.25 TrackWidth1=0.25
TrackWidth2=0.3
TrackWidth3=0.5
ViaDiameter1=0.8 ViaDiameter1=0.8
ViaDrill1=0.4 ViaDrill1=0.4
ViaDiameter2=0.4 ViaDiameter2=0.4

373
loranet2.sch
View file

@ -14,52 +14,6 @@ Comment3 ""
Comment4 "" Comment4 ""
$EndDescr $EndDescr
$Comp $Comp
L Regulator_Switching:MCP16331CH U2
U 1 1 5EA7821D
P 1925 1150
F 0 "U2" H 1925 1517 50 0000 C CNN
F 1 "MCP16331CH" H 1925 1426 50 0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-6" H 1975 900 50 0001 L CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/20005308C.pdf" H 725 1800 50 0001 C CNN
1 1925 1150
1 0 0 -1
$EndComp
$Comp
L Device:RF_Shield_One_Piece J3
U 1 1 5EA793A8
P -3075 750
F 0 "J3" H -2445 739 50 0000 L CNN
F 1 "RF_Shield_One_Piece" H -2445 648 50 0000 L CNN
F 2 "RF_Shielding:Laird_Technologies_BMI-S-101_13.66x12.70mm" H -3075 650 50 0001 C CNN
F 3 "~" H -3075 650 50 0001 C CNN
1 -3075 750
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0103
U 1 1 5EA7C41B
P -3075 1375
F 0 "#PWR0103" H -3075 1125 50 0001 C CNN
F 1 "GND" H -3070 1202 50 0000 C CNN
F 2 "" H -3075 1375 50 0001 C CNN
F 3 "" H -3075 1375 50 0001 C CNN
1 -3075 1375
1 0 0 -1
$EndComp
Wire Wire Line
-3075 1375 -3075 1150
$Comp
L Device:C C1
U 1 1 5EA86A24
P 1225 1200
F 0 "C1" H 1110 1154 50 0000 R CNN
F 1 "20u" H 1110 1245 50 0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1263 1050 50 0001 C CNN
F 3 "~" H 1225 1200 50 0001 C CNN
1 1225 1200
-1 0 0 1
$EndComp
$Comp
L power:VBUS #PWR0104 L power:VBUS #PWR0104
U 1 1 5EA87497 U 1 1 5EA87497
P 4800 1675 P 4800 1675
@ -70,210 +24,6 @@ F 3 "" H 4800 1675 50 0001 C CNN
1 4800 1675 1 4800 1675
0 -1 -1 0 0 -1 -1 0
$EndComp $EndComp
Wire Wire Line
875 1050 1225 1050
Wire Wire Line
1225 1050 1525 1050
Connection ~ 1225 1050
$Comp
L power:GND #PWR0105
U 1 1 5EA8BE1F
P 1925 1675
F 0 "#PWR0105" H 1925 1425 50 0001 C CNN
F 1 "GND" H 1930 1502 50 0000 C CNN
F 2 "" H 1925 1675 50 0001 C CNN
F 3 "" H 1925 1675 50 0001 C CNN
1 1925 1675
1 0 0 -1
$EndComp
Wire Wire Line
1925 1675 1925 1450
$Comp
L power:GND #PWR0106
U 1 1 5EA8EE64
P 1225 1575
F 0 "#PWR0106" H 1225 1325 50 0001 C CNN
F 1 "GND" H 1230 1402 50 0000 C CNN
F 2 "" H 1225 1575 50 0001 C CNN
F 3 "" H 1225 1575 50 0001 C CNN
1 1225 1575
1 0 0 -1
$EndComp
Wire Wire Line
1225 1575 1225 1350
$Comp
L Device:C C3
U 1 1 5EA8FE06
P 3950 1200
F 0 "C3" H 3835 1154 50 0000 R CNN
F 1 "20u" H 3835 1245 50 0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3988 1050 50 0001 C CNN
F 3 "~" H 3950 1200 50 0001 C CNN
1 3950 1200
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR0107
U 1 1 5EA8FE0C
P 3950 1575
F 0 "#PWR0107" H 3950 1325 50 0001 C CNN
F 1 "GND" H 3955 1402 50 0000 C CNN
F 2 "" H 3950 1575 50 0001 C CNN
F 3 "" H 3950 1575 50 0001 C CNN
1 3950 1575
1 0 0 -1
$EndComp
Wire Wire Line
3950 1575 3950 1350
$Comp
L power:+3V3 #PWR0108
U 1 1 5EA901B8
P 3950 750
F 0 "#PWR0108" H 3950 600 50 0001 C CNN
F 1 "+3V3" H 3965 923 50 0000 C CNN
F 2 "" H 3950 750 50 0001 C CNN
F 3 "" H 3950 750 50 0001 C CNN
1 3950 750
1 0 0 -1
$EndComp
$Comp
L Device:R R2
U 1 1 5EA9335D
P 3575 1425
F 0 "R2" H 3645 1471 50 0000 L CNN
F 1 "10k" H 3645 1380 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" V 3505 1425 50 0001 C CNN
F 3 "~" H 3575 1425 50 0001 C CNN
1 3575 1425
1 0 0 -1
$EndComp
$Comp
L Device:R R1
U 1 1 5EA97A46
P 3575 1075
F 0 "R1" H 3645 1121 50 0000 L CNN
F 1 "21.6k" H 3645 1030 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" V 3505 1075 50 0001 C CNN
F 3 "~" H 3575 1075 50 0001 C CNN
1 3575 1075
1 0 0 -1
$EndComp
$Comp
L Device:L L1
U 1 1 5EA98FF3
P 2925 1150
F 0 "L1" V 3115 1150 50 0000 C CNN
F 1 "15uH" V 3024 1150 50 0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2925 1150 50 0001 C CNN
F 3 "~" H 2925 1150 50 0001 C CNN
1 2925 1150
0 -1 -1 0
$EndComp
$Comp
L Device:C_Small C2
U 1 1 5EA9B381
P 2600 1000
F 0 "C2" H 2508 954 50 0000 R CNN
F 1 "100n" H 2600 1075 50 0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2600 1000 50 0001 C CNN
F 3 "~" H 2600 1000 50 0001 C CNN
1 2600 1000
-1 0 0 1
$EndComp
$Comp
L Device:D D2
U 1 1 5EAA32F8
P 2925 850
F 0 "D2" H 2925 1067 50 0000 C CNN
F 1 "D" H 2925 976 50 0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2925 850 50 0001 C CNN
F 3 "~" H 2925 850 50 0001 C CNN
1 2925 850
1 0 0 -1
$EndComp
Wire Wire Line
3075 1150 3200 1150
Wire Wire Line
3200 1150 3200 850
Wire Wire Line
3200 850 3075 850
Wire Wire Line
2325 1150 2600 1150
Wire Wire Line
2600 850 2600 900
Wire Wire Line
2600 850 2775 850
Wire Wire Line
2600 850 2425 850
Wire Wire Line
2425 850 2425 1050
Wire Wire Line
2425 1050 2325 1050
Connection ~ 2600 850
Wire Wire Line
2600 1100 2600 1150
Connection ~ 2600 1150
Wire Wire Line
2600 1150 2775 1150
$Comp
L Device:D_Schottky D1
U 1 1 5EAA6CF0
P 2600 1500
F 0 "D1" V 2554 1580 50 0000 L CNN
F 1 "D_Schottky" V 2645 1580 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 2600 1500 50 0001 C CNN
F 3 "~" H 2600 1500 50 0001 C CNN
1 2600 1500
0 1 1 0
$EndComp
Wire Wire Line
2600 1350 2600 1150
Wire Wire Line
3950 750 3950 850
Wire Wire Line
3575 1275 3575 1250
Connection ~ 3575 1250
Wire Wire Line
3575 1250 3575 1225
Wire Wire Line
2325 1250 3575 1250
Wire Wire Line
3200 850 3575 850
Wire Wire Line
3575 850 3575 925
Connection ~ 3200 850
Connection ~ 3950 850
Wire Wire Line
3950 850 3950 1050
$Comp
L power:GND #PWR0109
U 1 1 5EAC0A50
P 3575 1725
F 0 "#PWR0109" H 3575 1475 50 0001 C CNN
F 1 "GND" H 3580 1552 50 0000 C CNN
F 2 "" H 3575 1725 50 0001 C CNN
F 3 "" H 3575 1725 50 0001 C CNN
1 3575 1725
1 0 0 -1
$EndComp
Wire Wire Line
3575 1725 3575 1575
$Comp
L power:GND #PWR0110
U 1 1 5EAC1E6A
P 2600 1800
F 0 "#PWR0110" H 2600 1550 50 0001 C CNN
F 1 "GND" H 2605 1627 50 0000 C CNN
F 2 "" H 2600 1800 50 0001 C CNN
F 3 "" H 2600 1800 50 0001 C CNN
1 2600 1800
1 0 0 -1
$EndComp
Wire Wire Line
2600 1800 2600 1650
Wire Wire Line
3575 850 3950 850
Connection ~ 3575 850
Wire Wire Line Wire Wire Line
1500 2525 1500 2725 1500 2525 1500 2725
Wire Wire Line Wire Wire Line
@ -307,7 +57,7 @@ U 1 1 5EB13CED
P 3600 2525 P 3600 2525
F 0 "J1" H 3680 2517 50 0000 L CNN F 0 "J1" H 3680 2517 50 0000 L CNN
F 1 "Conn_01x02" H 3680 2426 50 0000 L CNN F 1 "Conn_01x02" H 3680 2426 50 0000 L CNN
F 2 "Connector_JST:JST_EH_B2B-EH-A_1x02_P2.50mm_Vertical" H 3600 2525 50 0001 C CNN F 2 "Connector_JST:JST_EH_S2B-EH_1x02_P2.50mm_Horizontal" H 3600 2525 50 0001 C CNN
F 3 "~" H 3600 2525 50 0001 C CNN F 3 "~" H 3600 2525 50 0001 C CNN
1 3600 2525 1 3600 2525
1 0 0 -1 1 0 0 -1
@ -549,7 +299,7 @@ F 3 "https://www.silabs.com/documents/public/data-sheets/cp2102n-datasheet.pdf"
1 0 0 -1 1 0 0 -1
$EndComp $EndComp
$Comp $Comp
L Connector:USB_B_Micro J2 L loranet2-rescue:USB_B_Micro-Connector J2
U 1 1 5EA9250C U 1 1 5EA9250C
P 8100 2300 P 8100 2300
F 0 "J2" H 8157 2767 50 0000 C CNN F 0 "J2" H 8157 2767 50 0000 C CNN
@ -787,7 +537,7 @@ Wire Wire Line
Wire Wire Line Wire Wire Line
4925 2200 4925 2325 4925 2200 4925 2325
Connection ~ 4925 2200 Connection ~ 4925 2200
Text GLabel 875 1050 0 50 Input ~ 0 Text GLabel 1400 1050 0 50 Input ~ 0
VIN VIN
Text Notes 4525 1025 0 50 ~ 0 Text Notes 4525 1025 0 50 ~ 0
Make sure this arrangement with\nbattery going into the regulator makes\nsense. maybe consider buck-boost if\nit will extent battery within protection\ncircuit limits. Make sure this arrangement with\nbattery going into the regulator makes\nsense. maybe consider buck-boost if\nit will extent battery within protection\ncircuit limits.
@ -940,7 +690,7 @@ L Device:C C4
U 1 1 5EE222E3 U 1 1 5EE222E3
P 1050 4525 P 1050 4525
F 0 "C4" H 935 4479 50 0000 R CNN F 0 "C4" H 935 4479 50 0000 R CNN
F 1 "20u" H 935 4570 50 0000 R CNN F 1 "10u" H 935 4570 50 0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1088 4375 50 0001 C CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 1088 4375 50 0001 C CNN
F 3 "~" H 1050 4525 50 0001 C CNN F 3 "~" H 1050 4525 50 0001 C CNN
1 1050 4525 1 1050 4525
@ -1326,4 +1076,119 @@ F 3 "" H 5000 6525 50 0001 C CNN
$EndComp $EndComp
Wire Wire Line Wire Wire Line
5000 6525 4875 6525 5000 6525 4875 6525
$Comp
L power:GND #PWR0110
U 1 1 5EAC1E6A
P 2650 1700
F 0 "#PWR0110" H 2650 1450 50 0001 C CNN
F 1 "GND" H 2655 1527 50 0000 C CNN
F 2 "" H 2650 1700 50 0001 C CNN
F 3 "" H 2650 1700 50 0001 C CNN
1 2650 1700
1 0 0 -1
$EndComp
$Comp
L power:+3V3 #PWR0108
U 1 1 5EA901B8
P 2650 950
F 0 "#PWR0108" H 2650 800 50 0001 C CNN
F 1 "+3V3" H 2665 1123 50 0000 C CNN
F 2 "" H 2650 950 50 0001 C CNN
F 3 "" H 2650 950 50 0001 C CNN
1 2650 950
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0106
U 1 1 5EA8EE64
P 1550 1700
F 0 "#PWR0106" H 1550 1450 50 0001 C CNN
F 1 "GND" H 1555 1527 50 0000 C CNN
F 2 "" H 1550 1700 50 0001 C CNN
F 3 "" H 1550 1700 50 0001 C CNN
1 1550 1700
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0105
U 1 1 5EA8BE1F
P 2250 1700
F 0 "#PWR0105" H 2250 1450 50 0001 C CNN
F 1 "GND" H 2255 1527 50 0000 C CNN
F 2 "" H 2250 1700 50 0001 C CNN
F 3 "" H 2250 1700 50 0001 C CNN
1 2250 1700
1 0 0 -1
$EndComp
$Comp
L Regulator_Linear:AP2112K-3.3 U2
U 1 1 60D148E8
P 2250 1150
F 0 "U2" H 2250 1492 50 0000 C CNN
F 1 "AP2112K-3.3" H 2250 1401 50 0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 2250 1475 50 0001 C CNN
F 3 "https://www.diodes.com/assets/Datasheets/AP2112.pdf" H 2250 1250 50 0001 C CNN
1 2250 1150
1 0 0 -1
$EndComp
Wire Wire Line
2550 1050 2650 1050
Wire Wire Line
2650 1050 2650 950
$Comp
L Device:C C2
U 1 1 60D45A49
P 2650 1300
F 0 "C2" H 2765 1346 50 0000 L CNN
F 1 "1u" H 2765 1255 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 2688 1150 50 0001 C CNN
F 3 "~" H 2650 1300 50 0001 C CNN
1 2650 1300
1 0 0 -1
$EndComp
$Comp
L Device:C C1
U 1 1 60D46CD5
P 1550 1350
F 0 "C1" H 1665 1396 50 0000 L CNN
F 1 "1u" H 1665 1305 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1588 1200 50 0001 C CNN
F 3 "~" H 1550 1350 50 0001 C CNN
1 1550 1350
1 0 0 -1
$EndComp
Wire Wire Line
1400 1050 1550 1050
Connection ~ 1550 1050
Wire Wire Line
1550 1050 1950 1050
Wire Wire Line
1550 1500 1550 1700
Wire Wire Line
2250 1700 2250 1450
Wire Wire Line
2650 1700 2650 1450
Wire Wire Line
1550 1050 1550 1150
Wire Wire Line
2650 1050 2650 1150
Connection ~ 2650 1050
$Comp
L Device:R_Small R1
U 1 1 60DC0EF8
P 1750 1150
F 0 "R1" V 1500 1150 50 0000 C CNN
F 1 "100k" V 1600 1150 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1750 1150 50 0001 C CNN
F 3 "~" H 1750 1150 50 0001 C CNN
1 1750 1150
0 1 1 0
$EndComp
Wire Wire Line
1850 1150 1950 1150
Wire Wire Line
1650 1150 1550 1150
Connection ~ 1550 1150
Wire Wire Line
1550 1150 1550 1200
$EndSCHEMATC $EndSCHEMATC