protection (or not). max4619 might need +5V tho

2021-12-22 19:56:51 +01:00 · 2021-12-22 19:56:51 +01:00 · bbce79cd76
parent ec33aa2185
commit bbce79cd76
3 changed files with 3808 additions and 3598 deletions
--- a/glitcher.kicad_pcb
+++ b/glitcher.kicad_pcb
--- a/glitchout.sch
+++ b/glitchout.sch
@ -46,20 +46,14 @@ F 3 "" H 6300 5000 50  0001 C CNN
 	1    6300 5000
 	1    0    0    -1  
 $EndComp
-Text GLabel 5650 4350 0    50   Input ~ 0
+Text GLabel 4900 4550 0    50   Input ~ 0
 MAX_SW_A
-Text GLabel 5650 4450 0    50   Input ~ 0
+Text GLabel 4900 4850 0    50   Input ~ 0
 MAX_SW_B
-Wire Wire Line
-	5750 4350 5650 4350
-Wire Wire Line
-	5650 4450 5750 4450
-Text GLabel 4450 4250 0    50   Input ~ 0
+Text GLabel 3600 4250 0    50   Input ~ 0
 MAX_EN
-Text GLabel 5650 4550 0    50   Input ~ 0
+Text GLabel 4900 5150 0    50   Input ~ 0
 GLITCH_SIG
-Wire Wire Line
-	5650 4550 5750 4550
 Text GLabel 6850 3950 2    50   Input ~ 0
 GLITCH_OUT
 Text GLabel 5650 3750 0    50   Input ~ 0
@ -84,12 +78,12 @@ Wire Wire Line
 $Comp
 L power:+3V3 #PWR0152
 U 1 1 6271E09E
-P 6500 3050
-F 0 "#PWR0152" H 6500 2900 50  0001 C CNN
-F 1 "+3V3" H 6515 3223 50  0000 C CNN
-F 2 "" H 6500 3050 50  0001 C CNN
-F 3 "" H 6500 3050 50  0001 C CNN
-	1    6500 3050
+P 5500 2600
+F 0 "#PWR0152" H 5500 2450 50  0001 C CNN
+F 1 "+3V3" H 5515 2773 50  0000 C CNN
+F 2 "" H 5500 2600 50  0001 C CNN
+F 3 "" H 5500 2600 50  0001 C CNN
+	1    5500 2600
 	0    1    1    0   
 $EndComp
 Wire Wire Line
@ -112,30 +106,28 @@ Text Label 5200 3950 0    50   ~ 0
 Vglitch_hi
 Text Label 5200 4050 0    50   ~ 0
 Vglitch_lo
-Text Notes 6500 2950 0    50   ~ 0
-TODO: use\nVBUS here\ninstead?
 $Comp
 L Device:R R500
 U 1 1 62925A32
-P 4700 4250
-F 0 "R500" V 4493 4250 50  0000 C CNN
-F 1 "4.7k" V 4584 4250 50  0000 C CNN
-F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 4630 4250 50  0001 C CNN
-F 3 "~" H 4700 4250 50  0001 C CNN
-	1    4700 4250
+P 3850 4250
+F 0 "R500" V 3643 4250 50  0000 C CNN
+F 1 "4.7k" V 3734 4250 50  0000 C CNN
+F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 3780 4250 50  0001 C CNN
+F 3 "~" H 3850 4250 50  0001 C CNN
+	1    3850 4250
 	0    1    1    0   
 $EndComp
 Wire Wire Line
-	4550 4250 4450 4250
+	3700 4250 3600 4250
 Wire Wire Line
-	4850 4250 5000 4250
-Text GLabel 5000 4400 3    50   Input ~ 0
+	4000 4250 4150 4250
+Text GLabel 4150 4400 3    50   Input ~ 0
 EMERG_SHDN
 Wire Wire Line
-	5000 4400 5000 4250
-Connection ~ 5000 4250
+	4150 4400 4150 4250
+Connection ~ 4150 4250
 Wire Wire Line
-	5000 4250 5750 4250
+	4150 4250 5750 4250
 NoConn ~ 6750 3350
 NoConn ~ 5750 3350
 Wire Wire Line
@ -143,4 +135,73 @@ Wire Wire Line
 Text GLabel 5050 3100 2    50   Input ~ 0
 Vdcflt
 NoConn ~ 5750 3450
+$Comp
+L Device:R R501
+U 1 1 61C3E9A2
+P 5200 4700
+F 0 "R501" V 4993 4700 50  0000 C CNN
+F 1 "100" V 5084 4700 50  0000 C CNN
+F 2 "Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder" V 5130 4700 50  0001 C CNN
+F 3 "~" H 5200 4700 50  0001 C CNN
+	1    5200 4700
+	0    1    1    0   
+$EndComp
+$Comp
+L Device:R R502
+U 1 1 61C3F184
+P 5200 5050
+F 0 "R502" V 4993 5050 50  0000 C CNN
+F 1 "100" V 5084 5050 50  0000 C CNN
+F 2 "Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder" V 5130 5050 50  0001 C CNN
+F 3 "~" H 5200 5050 50  0001 C CNN
+	1    5200 5050
+	0    1    1    0   
+$EndComp
+$Comp
+L Device:R R503
+U 1 1 61C3F885
+P 5200 5400
+F 0 "R503" V 4993 5400 50  0000 C CNN
+F 1 "22" V 5084 5400 50  0000 C CNN
+F 2 "Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder" V 5130 5400 50  0001 C CNN
+F 3 "~" H 5200 5400 50  0001 C CNN
+	1    5200 5400
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	5500 4550 5500 4350
+Wire Wire Line
+	5500 4350 5750 4350
+Wire Wire Line
+	5550 4450 5550 4850
+Wire Wire Line
+	5550 4450 5750 4450
+Wire Wire Line
+	5600 4550 5600 5150
+Wire Wire Line
+	5600 4550 5750 4550
+NoConn ~ 5500 2600
+$Comp
+L power:VBUS #PWR0156
+U 1 1 61C4640B
+P 6500 3050
+F 0 "#PWR0156" H 6500 2900 50  0001 C CNN
+F 1 "VBUS" V 6515 3178 50  0000 L CNN
+F 2 "" H 6500 3050 50  0001 C CNN
+F 3 "" H 6500 3050 50  0001 C CNN
+	1    6500 3050
+	0    1    1    0   
+$EndComp
+NoConn ~ 5050 5400
+NoConn ~ 5350 5400
+Wire Wire Line
+	4900 5150 5600 5150
+Wire Wire Line
+	4900 4850 5550 4850
+Wire Wire Line
+	4900 4550 5500 4550
+NoConn ~ 5050 4700
+NoConn ~ 5050 5050
+NoConn ~ 5350 5050
+NoConn ~ 5350 4700
 $EndSCHEMATC
--- a/psuflt.sch
+++ b/psuflt.sch
@ -18,9 +18,9 @@ L Amplifier_Operational:LM358 U400
 U 1 1 62527821
 P 3350 3950
 F 0 "U400" H 3350 4317 50  0000 C CNN
-F 1 "LM358" H 3350 4226 50  0000 C CNN
+F 1 "TSX922/OPA2350" H 3350 4226 50  0000 C CNN
 F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 3350 3950 50  0001 C CNN
-F 3 "http://www.ti.com/lit/ds/symlink/lm2904-n.pdf" H 3350 3950 50  0001 C CNN
+F 3 "https://www.st.com/resource/en/datasheet/tsx922.pdf" H 3350 3950 50  0001 C CNN
 	1    3350 3950
 	1    0    0    1   
 $EndComp
@ -29,9 +29,9 @@ L Amplifier_Operational:LM358 U400
 U 3 1 62528341
 P 3350 3950
 F 0 "U400" H 3308 3996 50  0000 L CNN
-F 1 "LM358" H 3308 3905 50  0000 L CNN
+F 1 "TSX922/OPA2350" H 3308 3905 50  0000 L CNN
 F 2 "Package_SO:SO-8_3.9x4.9mm_P1.27mm" H 3350 3950 50  0001 C CNN
-F 3 "http://www.ti.com/lit/ds/symlink/lm2904-n.pdf" H 3350 3950 50  0001 C CNN
+F 3 "https://www.st.com/resource/en/datasheet/tsx922.pdf" H 3350 3950 50  0001 C CNN
 	3    3350 3950
 	1    0    0    -1  
 $EndComp
@ -115,47 +115,42 @@ Vdcflt
 $Comp
 L Device:R R401
 U 1 1 625474BB
-P 5300 3050
-F 0 "R401" H 5370 3096 50  0000 L CNN
-F 1 "10k" H 5370 3005 50  0000 L CNN
-F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 5230 3050 50  0001 C CNN
-F 3 "~" H 5300 3050 50  0001 C CNN
-	1    5300 3050
+P 5300 2950
+F 0 "R401" H 5370 2996 50  0000 L CNN
+F 1 "10k" H 5370 2905 50  0000 L CNN
+F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 5230 2950 50  0001 C CNN
+F 3 "~" H 5300 2950 50  0001 C CNN
+	1    5300 2950
 	1    0    0    -1  
 $EndComp
 $Comp
 L Device:R R402
 U 1 1 62547F7D
-P 5300 3550
-F 0 "R402" H 5370 3596 50  0000 L CNN
-F 1 "10k" H 5370 3505 50  0000 L CNN
-F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 5230 3550 50  0001 C CNN
-F 3 "~" H 5300 3550 50  0001 C CNN
-	1    5300 3550
+P 5300 3350
+F 0 "R402" H 5370 3396 50  0000 L CNN
+F 1 "10k" H 5370 3305 50  0000 L CNN
+F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 5230 3350 50  0001 C CNN
+F 3 "~" H 5300 3350 50  0001 C CNN
+	1    5300 3350
 	1    0    0    -1  
 $EndComp
 $Comp
 L power:GND #PWR0143
 U 1 1 6254865E
-P 5300 3850
-F 0 "#PWR0143" H 5300 3600 50  0001 C CNN
-F 1 "GND" H 5305 3677 50  0000 C CNN
-F 2 "" H 5300 3850 50  0001 C CNN
-F 3 "" H 5300 3850 50  0001 C CNN
-	1    5300 3850
+P 5300 3550
+F 0 "#PWR0143" H 5300 3300 50  0001 C CNN
+F 1 "GND" H 5305 3377 50  0000 C CNN
+F 2 "" H 5300 3550 50  0001 C CNN
+F 3 "" H 5300 3550 50  0001 C CNN
+	1    5300 3550
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	5300 3850 5300 3700
-Wire Wire Line
-	5300 3400 5300 3300
-Text GLabel 5450 3300 2    50   Input ~ 0
+	5300 3550 5300 3500
+Text GLabel 5450 3150 2    50   Input ~ 0
 ADC0
 Wire Wire Line
-	5450 3300 5300 3300
-Connection ~ 5300 3300
-Wire Wire Line
-	5300 3300 5300 3200
+	5450 3150 5300 3150
 $Comp
 L misc-mcus:DS1803 U401
 U 1 1 6255530A
@ -182,12 +177,12 @@ Wire Wire Line
 $Comp
 L power:+3V3 #PWR0144
 U 1 1 62571F0D
-P 6900 3100
-F 0 "#PWR0144" H 6900 2950 50  0001 C CNN
-F 1 "+3V3" H 6915 3273 50  0000 C CNN
-F 2 "" H 6900 3100 50  0001 C CNN
-F 3 "" H 6900 3100 50  0001 C CNN
-	1    6900 3100
+P 4850 5050
+F 0 "#PWR0144" H 4850 4900 50  0001 C CNN
+F 1 "+3V3" H 4865 5223 50  0000 C CNN
+F 2 "" H 4850 5050 50  0001 C CNN
+F 3 "" H 4850 5050 50  0001 C CNN
+	1    4850 5050
 	1    0    0    -1  
 $EndComp
 $Comp
@ -226,16 +221,14 @@ Text GLabel 7950 4000 2    50   Input ~ 0
 Vdclo
 Wire Wire Line
 	7050 4000 7800 4000
-Text GLabel 6150 3950 0    50   Input ~ 0
+Text GLabel 5650 3850 0    50   Input ~ 0
 DPOT_CLK
-Text GLabel 6150 4050 0    50   Input ~ 0
+Text GLabel 5650 4150 0    50   Input ~ 0
 DPOT_DAT
-Wire Wire Line
-	6250 3950 6150 3950
 Wire Wire Line
 	6150 4050 6250 4050
 Wire Wire Line
-	6900 3100 6900 3350
+	4850 5050 4850 5200
 $Comp
 L power:VBUS #PWR0147
 U 1 1 6258CDD8
@ -334,7 +327,7 @@ Wire Wire Line
 Wire Wire Line
 	3750 3950 4400 3950
 Wire Wire Line
-	5300 2900 5300 2750
+	5300 2800 5300 2750
 Connection ~ 5300 2750
 Wire Wire Line
 	5300 2750 7200 2750
@ -383,8 +376,149 @@ Wire Wire Line
 	4150 2700 4150 2450
 Wire Wire Line
 	4150 2700 4500 2700
-NoConn ~ 6900 3350
 Connection ~ 6650 4800
 Wire Wire Line
 	6150 4800 6650 4800
+Connection ~ 5300 3150
+Wire Wire Line
+	5300 3150 5300 3100
+Wire Wire Line
+	5300 3150 5300 3200
+$Comp
+L Device:R R405
+U 1 1 61C66FCB
+P 4850 5800
+F 0 "R405" V 4643 5800 50  0000 C CNN
+F 1 "100" V 4734 5800 50  0000 C CNN
+F 2 "Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder" V 4780 5800 50  0001 C CNN
+F 3 "~" H 4850 5800 50  0001 C CNN
+	1    4850 5800
+	0    1    1    0   
+$EndComp
+$Comp
+L Device:R R406
+U 1 1 61C67CF4
+P 4850 6100
+F 0 "R406" V 4643 6100 50  0000 C CNN
+F 1 "100" V 4734 6100 50  0000 C CNN
+F 2 "Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder" V 4780 6100 50  0001 C CNN
+F 3 "~" H 4850 6100 50  0001 C CNN
+	1    4850 6100
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	5000 5800 5100 5800
+Wire Wire Line
+	6150 3850 6150 3950
+Wire Wire Line
+	6150 3950 6250 3950
+Wire Wire Line
+	5000 6100 5050 6100
+Wire Wire Line
+	6150 4150 6150 4050
+Wire Wire Line
+	4700 5800 4650 5800
+Wire Wire Line
+	4650 5800 4600 5800
+$Comp
+L Device:R R407
+U 1 1 61C7D223
+P 4650 5450
+F 0 "R407" H 4720 5496 50  0000 L CNN
+F 1 "1k" H 4720 5405 50  0000 L CNN
+F 2 "Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder" V 4580 5450 50  0001 C CNN
+F 3 "~" H 4650 5450 50  0001 C CNN
+	1    4650 5450
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:R R408
+U 1 1 61C81FCC
+P 5050 5450
+F 0 "R408" H 5120 5496 50  0000 L CNN
+F 1 "1k" H 5120 5405 50  0000 L CNN
+F 2 "Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder" V 4980 5450 50  0001 C CNN
+F 3 "~" H 5050 5450 50  0001 C CNN
+	1    5050 5450
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4650 5600 4650 5800
+Connection ~ 4650 5800
+Wire Wire Line
+	5050 5600 5050 6100
+Connection ~ 5050 6100
+Wire Wire Line
+	5050 6100 5100 6100
+Wire Wire Line
+	5050 5300 5050 5200
+Wire Wire Line
+	5050 5200 4850 5200
+Connection ~ 4850 5200
+Wire Wire Line
+	4650 5300 4650 5200
+Wire Wire Line
+	4650 5200 4850 5200
+Wire Wire Line
+	4600 6100 4700 6100
+$Comp
+L Device:D_Zener D400
+U 1 1 61CACB41
+P 4650 6300
+F 0 "D400" V 4604 6380 50  0000 L CNN
+F 1 "BZX84C3V6" V 4695 6380 50  0000 L CNN
+F 2 "Diode_SMD:D_SOT-23_ANK" H 4650 6300 50  0001 C CNN
+F 3 "https://www.farnell.com/datasheets/1911825.pdf" H 4650 6300 50  0001 C CNN
+	1    4650 6300
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	4650 6150 4650 5800
+$Comp
+L Device:D_Zener D401
+U 1 1 61CB1638
+P 4900 6600
+F 0 "D401" V 4854 6680 50  0000 L CNN
+F 1 "BZX84C3V6" V 4945 6680 50  0000 L CNN
+F 2 "Diode_SMD:D_SOT-23_ANK" H 4900 6600 50  0001 C CNN
+F 3 "https://www.farnell.com/datasheets/1911825.pdf" H 4900 6600 50  0001 C CNN
+	1    4900 6600
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	4900 6450 4900 6200
+Wire Wire Line
+	4900 6200 5050 6200
+Wire Wire Line
+	5050 6200 5050 6100
+Wire Wire Line
+	4650 6450 4650 6850
+Wire Wire Line
+	4900 6750 4900 6850
+$Comp
+L power:GND #PWR0155
+U 1 1 61CBB83C
+P 4800 7000
+F 0 "#PWR0155" H 4800 6750 50  0001 C CNN
+F 1 "GND" H 4805 6827 50  0000 C CNN
+F 2 "" H 4800 7000 50  0001 C CNN
+F 3 "" H 4800 7000 50  0001 C CNN
+	1    4800 7000
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4650 6850 4800 6850
+Wire Wire Line
+	4800 6850 4800 7000
+Wire Wire Line
+	4900 6850 4800 6850
+Connection ~ 4800 6850
+NoConn ~ 4600 5800
+NoConn ~ 4600 6100
+NoConn ~ 5100 6100
+NoConn ~ 5100 5800
+Wire Wire Line
+	6150 3850 5650 3850
+Wire Wire Line
+	5650 4150 6150 4150
 $EndSCHEMATC