julian.daube
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rgb_lcd_hat
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added nfet for backlight control; added testpoints 

The RPI can now control the backlight by overwriting the Backlight enable
switch.

The Testpoints allow measurement of VLED and VDD_DISPLAY
review1
Julian Daube 3 years ago
parent
2e1bcb140b
commit
74344f025f
3 changed files with 2214 additions and 1421 deletions
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  1. +45
    -0
      rgb_lcd_pihat-cache.lib
  2. +1787
    -1129
      rgb_lcd_pihat.kicad_pcb
  3. +382
    -292
      rgb_lcd_pihat.sch

+ 45
- 0
rgb_lcd_pihat-cache.lib View File

@@ -140,6 +140,23 @@ X Pin_9 9 -200 500 150 R 50 50 1 1 P
ENDDRAW ENDDRAW
ENDDEF ENDDEF
# #
# Connector_TestPoint
#
DEF Connector_TestPoint TP 0 30 N N 1 F N
F0 "TP" 0 270 50 H V C CNN
F1 "Connector_TestPoint" 0 200 50 H V C CNN
F2 "" 200 0 50 H I C CNN
F3 "" 200 0 50 H I C CNN
$FPLIST
Pin*
Test*
$ENDFPLIST
DRAW
C 0 130 30 0 1 0 N
X 1 1 0 0 100 U 50 50 1 1 P
ENDDRAW
ENDDEF
#
# Custom_IC_ME3102 # Custom_IC_ME3102
# #
DEF Custom_IC_ME3102 U 0 40 Y Y 1 F N DEF Custom_IC_ME3102 U 0 40 Y Y 1 F N
@@ -262,6 +279,34 @@ X ~ 2 0 -100 20 U 50 50 1 1 P
ENDDRAW ENDDRAW
ENDDEF ENDDEF
# #
# Device_Q_NMOS_GSD
#
DEF Device_Q_NMOS_GSD Q 0 0 Y N 1 F N
F0 "Q" 200 50 50 H V L CNN
F1 "Device_Q_NMOS_GSD" 200 -50 50 H V L CNN
F2 "" 200 100 50 H I C CNN
F3 "" 0 0 50 H I C CNN
DRAW
C 65 0 110 0 1 10 N
C 100 -70 10 0 1 0 F
C 100 70 10 0 1 0 F
P 2 0 1 0 10 0 -100 0 N
P 2 0 1 10 10 75 10 -75 N
P 2 0 1 10 30 -50 30 -90 N
P 2 0 1 10 30 20 30 -20 N
P 2 0 1 10 30 90 30 50 N
P 2 0 1 0 100 100 100 70 N
P 3 0 1 0 100 -100 100 0 30 0 N
P 4 0 1 0 30 -70 130 -70 130 70 30 70 N
P 4 0 1 0 40 0 80 15 80 -15 40 0 F
P 4 0 1 0 110 20 115 15 145 15 150 10 N
P 4 0 1 0 130 15 115 -10 145 -10 130 15 N
X G 1 -200 0 100 R 50 50 1 1 I
X S 2 100 -200 100 U 50 50 1 1 P
X D 3 100 200 100 D 50 50 1 1 P
ENDDRAW
ENDDEF
#
# Device_R_Small # Device_R_Small
# #
DEF Device_R_Small R 0 10 N N 1 F N DEF Device_R_Small R 0 10 N N 1 F N


+ 1787
- 1129
rgb_lcd_pihat.kicad_pcb
File diff suppressed because it is too large
View File


+ 382
- 292
rgb_lcd_pihat.sch View File

@@ -371,26 +371,13 @@ $Comp
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F 1 "22u" H 7350 3400 50 0000 L CNN
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1 7250 3450
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$EndComp $EndComp
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F 3 "" H 6550 5650 50 0001 C CNN
1 6550 5650
P 6750 3900
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1 6750 3900
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$EndComp $EndComp
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1 6750 3500
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@@ -972,10 +945,10 @@ Text GLabel 10350 6250 0 50 Input ~ 0
LED- LED-
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LED+ LED+
Text GLabel 7350 850 2 50 Input ~ 0
Text GLabel 8250 850 2 50 Input ~ 0
LED+ LED+
Wire Wire Line Wire Wire Line
7350 850 6700 850
8250 850 7900 850
Connection ~ 6700 850 Connection ~ 6700 850
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LED- LED-
@@ -1081,34 +1054,34 @@ Connection ~ 6700 2450
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Wire Wire Line Wire Wire Line
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Wire Wire Line Wire Wire Line
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Text Notes 10950 6450 2 50 ~ 0 Text Notes 10950 6450 2 50 ~ 0
mirrored connector to match pinout from the display mirrored connector to match pinout from the display
Wire Wire Line Wire Wire Line
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5400 2300 5400 2400
5900 2000 6000 2000
Text GLabel 6900 2150 2 50 Input ~ 0 Text GLabel 6900 2150 2 50 Input ~ 0
RV2 RV2
Text GLabel 6750 1800 2 50 Input ~ 0 Text GLabel 6750 1800 2 50 Input ~ 0
@@ -1275,61 +1246,61 @@ RV1
Wire Wire Line Wire Wire Line
6700 1800 6750 1800 6700 1800 6750 1800
Connection ~ 6700 1800 Connection ~ 6700 1800
Text GLabel 7300 3700 0 50 Input ~ 0
Text GLabel 10450 1300 0 50 Input ~ 0
RV1 RV1
Text GLabel 7300 3900 0 50 Input ~ 0
Text GLabel 10450 1500 0 50 Input ~ 0
RV2 RV2
Wire Wire Line Wire Wire Line
7300 3700 7350 3700
10450 1300 10500 1300
Wire Wire Line Wire Wire Line
7350 3800 7350 3900
10500 1400 10500 1500
Wire Wire Line Wire Wire Line
7350 3900 7300 3900
Connection ~ 7350 3900
Text Notes 7000 4050 0 50 ~ 0
Connector for external POT
10500 1500 10450 1500
Connection ~ 10500 1500
Text Notes 11050 1850 2 50 ~ 0
Connector for external \nbacklight dimming POT
$Comp $Comp
L Mechanical:MountingHole H1 L Mechanical:MountingHole H1
U 1 1 603BBE19 U 1 1 603BBE19
P 8750 5550
F 0 "H1" H 8850 5596 50 0000 L CNN
F 1 "MountingHole" H 8850 5505 50 0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 8750 5550 50 0001 C CNN
F 3 "~" H 8750 5550 50 0001 C CNN
1 8750 5550
P 9800 6750
F 0 "H1" H 9900 6796 50 0000 L CNN
F 1 "MountingHole" H 9900 6705 50 0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 9800 6750 50 0001 C CNN
F 3 "~" H 9800 6750 50 0001 C CNN
1 9800 6750
1 0 0 -1 1 0 0 -1
$EndComp $EndComp
$Comp $Comp
L Mechanical:MountingHole H2 L Mechanical:MountingHole H2
U 1 1 603BCE2E U 1 1 603BCE2E
P 8750 5750
F 0 "H2" H 8850 5796 50 0000 L CNN
F 1 "MountingHole" H 8850 5705 50 0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 8750 5750 50 0001 C CNN
F 3 "~" H 8750 5750 50 0001 C CNN
1 8750 5750
P 9800 6950
F 0 "H2" H 9900 6996 50 0000 L CNN
F 1 "MountingHole" H 9900 6905 50 0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 9800 6950 50 0001 C CNN
F 3 "~" H 9800 6950 50 0001 C CNN
1 9800 6950
1 0 0 -1 1 0 0 -1
$EndComp $EndComp
$Comp $Comp
L Mechanical:MountingHole H3 L Mechanical:MountingHole H3
U 1 1 603BD03E U 1 1 603BD03E
P 8750 5950
F 0 "H3" H 8850 5996 50 0000 L CNN
F 1 "MountingHole" H 8850 5905 50 0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 8750 5950 50 0001 C CNN
F 3 "~" H 8750 5950 50 0001 C CNN
1 8750 5950
P 10550 6750
F 0 "H3" H 10650 6796 50 0000 L CNN
F 1 "MountingHole" H 10650 6705 50 0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 10550 6750 50 0001 C CNN
F 3 "~" H 10550 6750 50 0001 C CNN
1 10550 6750
1 0 0 -1 1 0 0 -1
$EndComp $EndComp
$Comp $Comp
L Mechanical:MountingHole H4 L Mechanical:MountingHole H4
U 1 1 603BD2B0 U 1 1 603BD2B0
P 8750 6150
F 0 "H4" H 8850 6196 50 0000 L CNN
F 1 "MountingHole" H 8850 6105 50 0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 8750 6150 50 0001 C CNN
F 3 "~" H 8750 6150 50 0001 C CNN
1 8750 6150
P 10550 6950
F 0 "H4" H 10650 6996 50 0000 L CNN
F 1 "MountingHole" H 10650 6905 50 0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 10550 6950 50 0001 C CNN
F 3 "~" H 10550 6950 50 0001 C CNN
1 10550 6950
1 0 0 -1 1 0 0 -1
$EndComp $EndComp
$Comp $Comp
@@ -1386,12 +1357,12 @@ Connection ~ 1650 7000
$Comp $Comp
L rgb_lcd_pihat-rescue:Logo-Custom_logo LOGO1 L rgb_lcd_pihat-rescue:Logo-Custom_logo LOGO1
U 1 1 606925A8 U 1 1 606925A8
P 6300 7500
F 0 "LOGO1" H 6678 7521 50 0000 L CNN
F 1 "Logo" H 6678 7430 50 0000 L CNN
F 2 "Custom_logo:BB" H 6050 7750 50 0001 C CNN
F 3 "" H 6050 7750 50 0001 C CNN
1 6300 7500
P 7400 6750
F 0 "LOGO1" H 7778 6771 50 0000 L CNN
F 1 "Logo" H 7778 6680 50 0000 L CNN
F 2 "Custom_logo:BB" H 7150 7000 50 0001 C CNN
F 3 "" H 7150 7000 50 0001 C CNN
1 7400 6750
1 0 0 -1 1 0 0 -1
$EndComp $EndComp
Text Notes 550 5150 0 50 ~ 0 Text Notes 550 5150 0 50 ~ 0
@@ -1436,7 +1407,6 @@ Text GLabel 1400 2650 0 50 Input ~ 0
Green1 Green1
NoConn ~ 1650 1950 NoConn ~ 1650 1950
NoConn ~ 1650 2150 NoConn ~ 1650 2150
NoConn ~ 1650 2750
NoConn ~ 2350 6600 NoConn ~ 2350 6600
NoConn ~ 2350 6700 NoConn ~ 2350 6700
Wire Wire Line Wire Wire Line
@@ -1445,7 +1415,6 @@ Wire Wire Line
2350 6200 3400 6200 2350 6200 3400 6200
NoConn ~ 2350 5700 NoConn ~ 2350 5700
NoConn ~ 2350 5800 NoConn ~ 2350 5800
NoConn ~ 2350 5500
Wire Wire Line Wire Wire Line
2950 6600 3350 6600 2950 6600 3350 6600
Wire Wire Line Wire Wire Line
@@ -1467,14 +1436,6 @@ Wire Wire Line
3350 6600 3350 6800 3350 6600 3350 6800
NoConn ~ 3600 6300 NoConn ~ 3600 6300
NoConn ~ 3600 6400 NoConn ~ 3600 6400
Wire Notes Line
4800 550 7700 550
Wire Notes Line
7700 550 7700 2850
Wire Notes Line
7700 2850 4800 2850
Wire Notes Line
4800 2850 4800 550
Text Notes 7650 2800 2 50 ~ 0 Text Notes 7650 2800 2 50 ~ 0
Backlight LED Driver Backlight LED Driver
Text Notes 1700 3150 0 50 ~ 0 Text Notes 1700 3150 0 50 ~ 0
@@ -1493,81 +1454,210 @@ NoConn ~ 10500 5850
$Comp $Comp
L Jumper:Jumper_3_Bridged12 JP1 L Jumper:Jumper_3_Bridged12 JP1
U 1 1 60892CAD U 1 1 60892CAD
P 9250 1350
F 0 "JP1" V 9250 1400 50 0000 L CNN
F 1 "Jumper_3_Bridged12" V 9295 1417 50 0001 L CNN
F 2 "Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm" H 9250 1350 50 0001 C CNN
F 3 "~" H 9250 1350 50 0001 C CNN
1 9250 1350
P 8050 3600
F 0 "JP1" V 8050 3650 50 0000 L CNN
F 1 "Jumper_3_Bridged12" V 8095 3667 50 0001 L CNN
F 2 "Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm" H 8050 3600 50 0001 C CNN
F 3 "~" H 8050 3600 50 0001 C CNN
1 8050 3600
0 1 1 0 0 1 1 0
$EndComp $EndComp
$Comp $Comp
L Jumper:Jumper_3_Bridged12 JP2 L Jumper:Jumper_3_Bridged12 JP2
U 1 1 608943E0 U 1 1 608943E0
P 9750 1350
F 0 "JP2" V 9750 1400 50 0000 L CNN
F 1 "Jumper_3_Bridged12" V 10200 1450 50 0001 L CNN
F 2 "Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm" H 9750 1350 50 0001 C CNN
F 3 "~" H 9750 1350 50 0001 C CNN
1 9750 1350
P 8550 3600
F 0 "JP2" V 8550 3650 50 0000 L CNN
F 1 "Jumper_3_Bridged12" V 9000 3700 50 0001 L CNN
F 2 "Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm" H 8550 3600 50 0001 C CNN
F 3 "~" H 8550 3600 50 0001 C CNN
1 8550 3600
0 -1 1 0 0 -1 1 0
$EndComp $EndComp
Wire Wire Line
8550 3300 8550 3350
Wire Wire Line
8050 3300 8050 3350
$Comp
L power:GND #PWR04
U 1 1 60902B54
P 8300 3950
F 0 "#PWR04" H 8300 3700 50 0001 C CNN
F 1 "GND" V 8305 3822 50 0000 R CNN
F 2 "" H 8300 3950 50 0001 C CNN
F 3 "" H 8300 3950 50 0001 C CNN
1 8300 3950
1 0 0 -1
$EndComp
Wire Wire Line
8550 3850 8550 3900
Wire Wire Line
8550 3900 8300 3900
Wire Wire Line
8050 3900 8050 3850
Wire Wire Line
8300 3900 8300 3950
Connection ~ 8300 3900
Wire Wire Line
8300 3900 8050 3900
Text GLabel 7850 3600 0 50 Input ~ 0
L_R
Text GLabel 8750 3600 2 50 Input ~ 0
U_D
Wire Wire Line
8750 3600 8700 3600
Wire Wire Line
7850 3600 7900 3600
Wire Wire Line
4900 3300 5400 3300
Wire Wire Line
4900 3800 5250 3800
Wire Wire Line
5500 1450 5500 1850
Wire Notes Line
3300 2850 9100 2850
NoConn ~ 2350 5500
Text GLabel 1400 2750 0 50 Input ~ 0
BL_ENABLE
Wire Wire Line
1400 2750 1650 2750
$Comp
L Device:R_Small R10
U 1 1 60C60D4C
P 6000 2350
F 0 "R10" H 6200 2350 50 0000 R CNN
F 1 "100k" H 6200 2450 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" H 6000 2350 50 0001 C CNN
F 3 "~" H 6000 2350 50 0001 C CNN
1 6000 2350
-1 0 0 1
$EndComp
Connection ~ 5500 1850
$Comp $Comp
L power:+3.3VP #PWR02
U 1 1 608A82D6
P 9500 1000
F 0 "#PWR02" H 9650 950 50 0001 C CNN
F 1 "+3.3VP" H 9520 1143 50 0000 C CNN
F 2 "" H 9500 1000 50 0001 C CNN
F 3 "" H 9500 1000 50 0001 C CNN
1 9500 1000
L power:GND #PWR07
U 1 1 60C730E6
P 4450 2500
F 0 "#PWR07" H 4450 2250 50 0001 C CNN
F 1 "GND" V 4455 2372 50 0000 R CNN
F 2 "" H 4450 2500 50 0001 C CNN
F 3 "" H 4450 2500 50 0001 C CNN
1 4450 2500
1 0 0 -1 1 0 0 -1
$EndComp $EndComp
Wire Wire Line Wire Wire Line
9250 1050 9500 1050
4450 2400 4450 2500
Wire Wire Line Wire Wire Line
9750 1050 9750 1100
4450 1850 4450 2000
Text GLabel 3850 2200 0 50 Input ~ 0
BL_ENABLE
$Comp
L Device:R_Small R9
U 1 1 60CA8B3D
P 4000 2200
F 0 "R9" V 3804 2200 50 0000 C CNN
F 1 "100k" V 3895 2200 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" H 4000 2200 50 0001 C CNN
F 3 "~" H 4000 2200 50 0001 C CNN
1 4000 2200
0 1 1 0
$EndComp
Wire Wire Line Wire Wire Line
9500 1000 9500 1050
Connection ~ 9500 1050
3900 2200 3850 2200
Wire Wire Line Wire Wire Line
9500 1050 9750 1050
4150 2200 4100 2200
$Comp
L Device:Q_NMOS_GSD Q1
U 1 1 60D15588
P 4350 2200
F 0 "Q1" H 4555 2246 50 0000 L CNN
F 1 "ATM7002KNSA" H 4555 2155 50 0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23_Handsoldering" H 4550 2300 50 0001 C CNN
F 3 "https://datasheet.lcsc.com/szlcsc/2011132035_Agertech-ATM7002KNSA_C915711.pdf" H 4350 2200 50 0001 C CNN
F 4 "C915711" H 4350 2200 50 0001 C CNN "LCSC"
1 4350 2200
1 0 0 -1
$EndComp
Connection ~ 7250 3300
Connection ~ 8050 3300
Wire Wire Line Wire Wire Line
9250 1050 9250 1100
7250 3300 7750 3300
$Comp $Comp
L power:GND #PWR04
U 1 1 60902B54
P 9500 1700
F 0 "#PWR04" H 9500 1450 50 0001 C CNN
F 1 "GND" V 9505 1572 50 0000 R CNN
F 2 "" H 9500 1700 50 0001 C CNN
F 3 "" H 9500 1700 50 0001 C CNN
1 9500 1700
L Connector:TestPoint TP1
U 1 1 60E25800
P 7750 3200
F 0 "TP1" H 7808 3318 50 0000 L CNN
F 1 "3V3_DISPLAY" H 7808 3227 50 0000 L CNN
F 2 "TestPoint:TestPoint_Keystone_5000-5004_Miniature" H 7950 3200 50 0001 C CNN
F 3 "~" H 7950 3200 50 0001 C CNN
1 7750 3200
1 0 0 -1 1 0 0 -1
$EndComp $EndComp
Wire Wire Line Wire Wire Line
9750 1600 9750 1650
7750 3200 7750 3300
Connection ~ 7750 3300
Wire Wire Line Wire Wire Line
9750 1650 9500 1650
7750 3300 8050 3300
$Comp
L power:+3.3VP #PWR0101
U 1 1 60E5BA1B
P 7250 3200
F 0 "#PWR0101" H 7400 3150 50 0001 C CNN
F 1 "+3.3VP" H 7270 3343 50 0000 C CNN
F 2 "" H 7250 3200 50 0001 C CNN
F 3 "" H 7250 3200 50 0001 C CNN
1 7250 3200
1 0 0 -1
$EndComp
Wire Wire Line Wire Wire Line
9250 1650 9250 1600
7250 3200 7250 3300
Wire Wire Line Wire Wire Line
9500 1650 9500 1700
Connection ~ 9500 1650
9600 2350 10350 2350
Wire Wire Line Wire Wire Line
9500 1650 9250 1650
Text GLabel 9050 1350 0 50 Input ~ 0
L_R
Text GLabel 9950 1350 2 50 Input ~ 0
U_D
8050 3300 8550 3300
Connection ~ 8550 3300
Wire Wire Line
8550 3300 9600 3300
Wire Wire Line
9600 3300 9600 2350
Wire Notes Line
3300 4400 9100 4400
Wire Notes Line
3300 550 3300 4400
Text Notes 7500 4350 2 50 ~ 0
3V3 buck for display
Text Notes 7600 4350 0 50 ~ 0
scanline direction settings for display
Wire Notes Line
7550 2850 7550 4400
Text Notes 8900 1000 2 50 ~ 0
8 Series LEDs @ 800mA
Wire Notes Line
3300 550 9100 550
Wire Wire Line
6000 2450 6000 2550
Wire Wire Line
5500 1850 5500 2100
Wire Wire Line Wire Wire Line
9950 1350 9900 1350
6000 2250 6000 2200
Wire Wire Line Wire Wire Line
9050 1350 9100 1350
6000 2200 5900 2200
Wire Wire Line Wire Wire Line
4700 5050 5200 5050
4450 1850 5500 1850
$Comp
L Connector:TestPoint TP2
U 1 1 611790C2
P 7900 750
F 0 "TP2" H 7958 868 50 0000 L CNN
F 1 "BG_LEDS" H 7958 777 50 0000 L CNN
F 2 "TestPoint:TestPoint_Keystone_5000-5004_Miniature" H 8100 750 50 0001 C CNN
F 3 "~" H 8100 750 50 0001 C CNN
1 7900 750
1 0 0 -1
$EndComp
Wire Wire Line Wire Wire Line
4700 5550 5050 5550
7900 750 7900 850
Wire Notes Line
9100 550 9100 4400
Connection ~ 7900 850
Wire Wire Line Wire Wire Line
5500 1450 5500 1900
7900 850 6700 850
$EndSCHEMATC $EndSCHEMATC

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