Started design of SMPS for 3.3V

2016-02-15 18:20:08 +01:00 · 2016-02-15 18:20:08 +01:00 · eaf38e8c02
commit eaf38e8c02
parent 058188a11c
5 changed files with 271 additions and 383 deletions
--- a/debug.sch
+++ b/debug.sch
@ -32,6 +32,7 @@ LIBS:Oscillators
 LIBS:lattice
 LIBS:pmic
 LIBS:specific-powersyms
+LIBS:regulators
 LIBS:fpgna-cache
 EELAYER 25 0
 EELAYER END
--- a/fpgna-cache.lib
+++ b/fpgna-cache.lib
@ -326,6 +326,27 @@ X TMS 79 -650 100 200 R 50 50 6 1 I
 ENDDRAW
 ENDDEF
 #
+# LM2596
+#
+DEF LM2596 U 0 40 Y Y 1 F N
+F0 "U" -250 350 60 H V C CNN
+F1 "LM2596" 150 350 60 H V C CNN
+F2 "" -50 200 60 H V C CNN
+F3 "" -50 200 60 H V C CNN
+$FPLIST
+ DDPAK
+ TO-263
+$ENDFPLIST
+DRAW
+S -300 300 300 -300 0 1 0 f
+X VIN 1 -500 100 200 R 50 50 1 1 W
+X Output 2 500 0 200 L 50 50 1 1 w
+X GND 3 200 -500 200 U 50 50 1 1 W
+X Feedback 4 500 200 200 L 50 50 1 1 I
+X ON 5 -150 -500 200 U 50 50 1 1 I I
+ENDDRAW
+ENDDEF
+#
 # Lattice-JTAG
 #
 DEF Lattice-JTAG P 0 40 Y Y 1 F N
--- a/fpgna.pro
+++ b/fpgna.pro
@ -1,4 +1,4 @@
-update=Mon 15 Feb 2016 11:28:47 AM CET
+update=Mon 15 Feb 2016 06:12:25 PM CET
 version=1
 last_client=kicad
 [pcbnew]
@ -62,3 +62,4 @@ LibName30=Oscillators
 LibName31=lattice/lattice
 LibName32=power/pmic
 LibName33=libs/specific-powersyms
+LibName34=power/regulators
--- a/fpgna.sch
+++ b/fpgna.sch
@ -32,6 +32,7 @@ LIBS:Oscillators
 LIBS:lattice
 LIBS:pmic
 LIBS:specific-powersyms
+LIBS:regulators
 LIBS:fpgna-cache
 EELAYER 25 0
 EELAYER END
--- a/power.sch
+++ b/power.sch
@ -32,6 +32,7 @@ LIBS:Oscillators
 LIBS:lattice
 LIBS:pmic
 LIBS:specific-powersyms
+LIBS:regulators
 LIBS:fpgna-cache
 EELAYER 25 0
 EELAYER END
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@ -774,12 +709,12 @@ $EndComp
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@ -919,190 +854,112 @@ CHARGE_ENABLE
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-Text Notes 1550 900  0    60   ~ 0
-TODO: Redo as SMPS!
 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Wire Wire Line
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 Connection ~ 3700 2150
 Connection ~ 3950 2150
 Connection ~ 4200 2150
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 Connection ~ 3950 2450
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-	4200 1450 4450 1450
-Wire Wire Line
-	4450 1450 4700 1450
-Wire Wire Line
-	4700 1450 4950 1450
-Wire Wire Line
-	4950 1450 5200 1450
-Wire Wire Line
-	5200 1450 5450 1450
+	3450 1450 5450 1450
 Wire Wire Line
 	4200 1050 4200 1150
 Wire Wire Line
@ -1196,9 +1015,7 @@ Wire Wire Line
 Wire Wire Line
 	3650 5300 3650 5350
 Wire Wire Line
-	3400 5350 3650 5350
-Wire Wire Line
-	3650 5350 3900 5350
+	3400 5350 3900 5350
 Wire Wire Line
 	3900 5350 3900 4900
 Wire Wire Line
@ -1210,18 +1027,14 @@ Wire Wire Line
 	3400 4700 3650 4700
 Connection ~ 3650 4700
 Wire Wire Line
-	8700 950  8700 1100
-Wire Wire Line
-	8700 1100 8700 1200
+	8700 950  8700 1200
 Wire Wire Line
 	8700 1100 8650 1100
 Wire Wire Line
 	8700 1200 8650 1200
 Connection ~ 8700 1100
 Wire Wire Line
-	7600 950  7600 1100
-Wire Wire Line
-	7600 1100 7600 1200
+	7600 950  7600 1200
 Wire Wire Line
 	7600 1200 7650 1200
 Connection ~ 7600 1100
@ -1246,17 +1059,13 @@ Wire Wire Line
 Wire Wire Line
 	8800 3300 9100 3300
 Wire Wire Line
-	9300 3600 9300 3650
-Wire Wire Line
-	9300 3650 9300 3700
+	9300 3600 9300 3700
 Wire Wire Line
 	9300 4050 9300 4000
 Wire Wire Line
 	8800 2850 8800 3300
 Wire Wire Line
-	9500 3300 9550 3300
-Wire Wire Line
-	9550 3300 9750 3300
+	9500 3300 9750 3300
 Wire Wire Line
 	9550 3300 9550 2950
 Wire Wire Line
@ -1264,9 +1073,7 @@ Wire Wire Line
 Wire Wire Line
 	9200 2950 9000 2950
 Wire Wire Line
-	9000 2850 9000 2950
-Wire Wire Line
-	9000 2950 9000 3650
+	9000 2850 9000 3650
 Wire Wire Line
 	9000 3650 9300 3650
 Connection ~ 9000 2950
@ -1299,9 +1106,7 @@ Wire Wire Line
 	9300 1950 9300 2150
 Connection ~ 9300 1550
 Wire Wire Line
-	9600 1750 9650 1750
-Wire Wire Line
-	9650 1750 9950 1750
+	9600 1750 9950 1750
 Wire Wire Line
 	9650 2100 9650 2150
 Wire Wire Line
@ -1313,9 +1118,7 @@ Wire Wire Line
 	8950 1150 9950 1150
 Connection ~ 8950 1350
 Wire Wire Line
-	7300 1350 7350 1350
-Wire Wire Line
-	7350 1350 7650 1350
+	7300 1350 7650 1350
 Wire Wire Line
 	7300 1550 7650 1550
 $Comp
@ -1341,9 +1144,7 @@ F 3 "" H 7400 3500 30  0000 C CNN
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	7400 3250 7400 3300
-Wire Wire Line
-	7400 3300 7400 3350
+	7400 3250 7400 3350
 $Comp
 L VSYS #PWR?
 U 1 1 56C208D6
@ -1367,15 +1168,11 @@ F 3 "" H 7400 3750 60  0000 C CNN
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	7400 3650 7400 3700
-Wire Wire Line
-	7400 3700 7400 3750
+	7400 3650 7400 3750
 Wire Wire Line
 	7400 2900 7400 2950
 Wire Wire Line
-	7400 3300 7600 3300
-Wire Wire Line
-	7600 3300 7800 3300
+	7400 3300 7800 3300
 Connection ~ 7400 3300
 $Comp
 L ZENERsmall D?
@ -1398,4 +1195,71 @@ Wire Wire Line
 Connection ~ 7600 3300
 Text HLabel 7800 3300 2    60   Input ~ 0
 SYS_VOLTAGE
+$Comp
+L R R?
+U 1 1 56C292A1
+P 7500 1150
+F 0 "R?" V 7580 1150 50  0000 C CNN
+F 1 "10k" V 7500 1150 50  0000 C CNN
+F 2 "" V 7430 1150 30  0000 C CNN
+F 3 "" H 7500 1150 30  0000 C CNN
+	1    7500 1150
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	7350 1000 7500 1000
+Connection ~ 7350 1000
+Wire Wire Line
+	7500 1300 7500 1550
+Connection ~ 7500 1550
+Text Notes 1550 750  0    60   ~ 0
+Different VCC for uC and FPGA
+$Comp
+L LM2596 U?
+U 1 1 56C35664
+P 1700 1400
+F 0 "U?" H 1700 1887 60  0000 C CNN
+F 1 "LM2596" H 1700 1781 60  0000 C CNN
+F 2 "" H 1650 1600 60  0000 C CNN
+F 3 "" H 1650 1600 60  0000 C CNN
+	1    1700 1400
+	1    0    0    -1  
+$EndComp
+$Comp
+L GNDD #PWR?
+U 1 1 56C35DE1
+P 1050 1950
+F 0 "#PWR?" H 1050 1700 50  0001 C CNN
+F 1 "GNDD" H 1050 1800 50  0000 C CNN
+F 2 "" H 1050 1950 60  0000 C CNN
+F 3 "" H 1050 1950 60  0000 C CNN
+	1    1050 1950
+	1    0    0    -1  
+$EndComp
+$Comp
+L GNDD #PWR?
+U 1 1 56C35F4F
+P 1900 1950
+F 0 "#PWR?" H 1900 1700 50  0001 C CNN
+F 1 "GNDD" H 1900 1800 50  0000 C CNN
+F 2 "" H 1900 1950 60  0000 C CNN
+F 3 "" H 1900 1950 60  0000 C CNN
+	1    1900 1950
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1900 1950 1900 1900
+$Comp
+L GNDD #PWR?
+U 1 1 56C360EB
+P 1550 1950
+F 0 "#PWR?" H 1550 1700 50  0001 C CNN
+F 1 "GNDD" H 1550 1800 50  0000 C CNN
+F 2 "" H 1550 1950 60  0000 C CNN
+F 3 "" H 1550 1950 60  0000 C CNN
+	1    1550 1950
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1550 1900 1550 1950
 $EndSCHEMATC