markus/leddie
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fde561406f
leddie/kicad/power.sch
Markus Koch fde561406f Exchange USB-C socket with USB-micro-B 
I want a 100% SMD part to avoid holes in the board, and
was not able to find an entirely SMD type-C connector.
2021-03-14 09:49:38 +01:00

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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 6 7
Title "Leddie"
Date "2021-03-06"
Rev "01"
Comp "Markus Koch - notsyncing.net"
Comment1 "Licensed under CC BY-SA 3.0"
Comment2 "https://l.notsyncing.net/leddie"
Comment3 ""
Comment4 "Power supply and battery management"
$EndDescr
$Comp
L Battery_Management:MCP73831-2-OT U?
U 1 1 604354DC
P 4350 1850
F 0 "U?" H 4450 2100 50 0000 C CNN
F 1 "MCP73832-2" H 4700 1600 50 0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 4400 1600 50 0001 L CIN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/20001984g.pdf" H 4200 1800 50 0001 C CNN
1 4350 1850
1 0 0 -1
$EndComp
$Comp
L Connector:Conn_01x02_Male J?
U 1 1 60435FAB
P 6500 1950
F 0 "J?" H 6472 1924 50 0000 R CNN
F 1 "Battery" H 6472 1833 50 0000 R CNN
F 2 "" H 6500 1950 50 0001 C CNN
F 3 "~" H 6500 1950 50 0001 C CNN
1 6500 1950
-1 0 0 -1
$EndComp
Wire Wire Line
5900 1950 5800 1950
Wire Wire Line
5500 1750 5800 1750
Wire Wire Line
5800 1750 5800 1950
Connection ~ 5500 1750
$Comp
L Device:R R?
U 1 1 6043E48C
P 3850 2200
F 0 "R?" H 3920 2246 50 0000 L CNN
F 1 "4k7" H 3920 2155 50 0000 L CNN
F 2 "" V 3780 2200 50 0001 C CNN
F 3 "~" H 3850 2200 50 0001 C CNN
1 3850 2200
1 0 0 -1
$EndComp
Wire Wire Line
3850 2050 3850 1950
Wire Wire Line
3850 1950 3950 1950
Wire Wire Line
4350 2150 4350 2450
Wire Wire Line
4350 2450 3850 2450
Wire Wire Line
3850 2450 3850 2350
Wire Wire Line
4350 2550 4350 2450
Connection ~ 4350 2450
$Comp
L power:GND #PWR?
U 1 1 6043F855
P 4350 2550
F 0 "#PWR?" H 4350 2300 50 0001 C CNN
F 1 "GND" H 4355 2377 50 0000 C CNN
F 2 "" H 4350 2550 50 0001 C CNN
F 3 "" H 4350 2550 50 0001 C CNN
1 4350 2550
1 0 0 -1
$EndComp
Wire Wire Line
4350 1550 4350 1450
$Comp
L power:VBUS #PWR?
U 1 1 6044110F
P 4350 1450
F 0 "#PWR?" H 4350 1300 50 0001 C CNN
F 1 "VBUS" H 4365 1623 50 0000 C CNN
F 2 "" H 4350 1450 50 0001 C CNN
F 3 "" H 4350 1450 50 0001 C CNN
1 4350 1450
1 0 0 -1
$EndComp
Wire Wire Line
4750 1750 5500 1750
$Comp
L power:GND #PWR?
U 1 1 60445B69
P 5800 2550
F 0 "#PWR?" H 5800 2300 50 0001 C CNN
F 1 "GND" H 5805 2377 50 0000 C CNN
F 2 "" H 5800 2550 50 0001 C CNN
F 3 "" H 5800 2550 50 0001 C CNN
1 5800 2550
1 0 0 -1
$EndComp
Wire Wire Line
5800 2050 5800 2550
$Comp
L power:+BATT #PWR?
U 1 1 60447DA9
P 5800 1450
F 0 "#PWR?" H 5800 1300 50 0001 C CNN
F 1 "+BATT" H 5815 1623 50 0000 C CNN
F 2 "" H 5800 1450 50 0001 C CNN
F 3 "" H 5800 1450 50 0001 C CNN
1 5800 1450
1 0 0 -1
$EndComp
Wire Wire Line
5800 1450 5800 1750
Connection ~ 5800 1750
$Comp
L power:GND #PWR?
U 1 1 60445842
P 5500 2550
F 0 "#PWR?" H 5500 2300 50 0001 C CNN
F 1 "GND" H 5505 2377 50 0000 C CNN
F 2 "" H 5500 2550 50 0001 C CNN
F 3 "" H 5500 2550 50 0001 C CNN
1 5500 2550
1 0 0 -1
$EndComp
Wire Wire Line
5500 2150 5500 2550
Wire Wire Line
5500 1750 5500 1850
$Comp
L Device:C C?
U 1 1 6043944C
P 5500 2000
F 0 "C?" H 5615 2046 50 0000 L CNN
F 1 "4u7" H 5615 1955 50 0000 L CNN
F 2 "" H 5538 1850 50 0001 C CNN
F 3 "~" H 5500 2000 50 0001 C CNN
1 5500 2000
1 0 0 -1
$EndComp
$Comp
L Device:C C?
U 1 1 6045293C
P 3500 2000
F 0 "C?" H 3615 2046 50 0000 L CNN
F 1 "4u7" H 3615 1955 50 0000 L CNN
F 2 "" H 3538 1850 50 0001 C CNN
F 3 "~" H 3500 2000 50 0001 C CNN
1 3500 2000
1 0 0 -1
$EndComp
Wire Wire Line
3500 2150 3500 2550
$Comp
L power:GND #PWR?
U 1 1 6045341B
P 3500 2550
F 0 "#PWR?" H 3500 2300 50 0001 C CNN
F 1 "GND" H 3505 2377 50 0000 C CNN
F 2 "" H 3500 2550 50 0001 C CNN
F 3 "" H 3500 2550 50 0001 C CNN
1 3500 2550
1 0 0 -1
$EndComp
$Comp
L power:VBUS #PWR?
U 1 1 60455054
P 3500 1450
F 0 "#PWR?" H 3500 1300 50 0001 C CNN
F 1 "VBUS" H 3515 1623 50 0000 C CNN
F 2 "" H 3500 1450 50 0001 C CNN
F 3 "" H 3500 1450 50 0001 C CNN
1 3500 1450
1 0 0 -1
$EndComp
Wire Wire Line
3500 1450 3500 1850
Text Notes 4550 1500 0 79 ~ 0
Battery Charger
$Comp
L Device:Fuse F?
U 1 1 6045FD58
P 6050 1950
F 0 "F?" V 5853 1950 50 0000 C CNN
F 1 "2.5A" V 5944 1950 50 0000 C CNN
F 2 "" V 5980 1950 50 0001 C CNN
F 3 "~" H 6050 1950 50 0001 C CNN
1 6050 1950
0 1 1 0
$EndComp
Wire Wire Line
6300 1950 6200 1950
Wire Wire Line
5800 2050 6300 2050
$Comp
L Regulator_Switching:TPS61040DBV U?
U 1 1 60465C0F
P 9150 1600
F 0 "U?" H 8950 1350 50 0000 C CNN
F 1 "LM2735" H 9350 1350 50 0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 9250 1350 50 0001 L CIN
F 3 "https://www.ti.com/lit/ds/symlink/lm2735.pdf" H 8950 1900 50 0001 C CNN
1 9150 1600
1 0 0 -1
$EndComp
$Comp
L Device:L L?
U 1 1 60467AC9
P 9150 1300
F 0 "L?" V 9340 1300 50 0000 C CNN
F 1 "33u" V 9249 1300 50 0000 C CNN
F 2 "" H 9150 1300 50 0001 C CNN
F 3 "~" H 9150 1300 50 0001 C CNN
1 9150 1300
0 -1 -1 0
$EndComp
Wire Wire Line
9300 1300 9550 1300
Wire Wire Line
9550 1300 9550 1500
Wire Wire Line
9550 1500 9450 1500
Wire Wire Line
8850 1500 8750 1500
Wire Wire Line
8750 1500 8750 1300
Wire Wire Line
8750 1300 9000 1300
$Comp
L Device:D_Schottky D?
U 1 1 6046955A
P 9800 1500
F 0 "D?" H 9800 1375 50 0000 C CNN
F 1 "D_Schottky" H 9800 1374 50 0001 C CNN
F 2 "" H 9800 1500 50 0001 C CNN
F 3 "~" H 9800 1500 50 0001 C CNN
1 9800 1500
-1 0 0 1
$EndComp
Wire Wire Line
9650 1500 9550 1500
Connection ~ 9550 1500
$Comp
L Device:R R?
U 1 1 6046A01E
P 10050 1750
F 0 "R?" H 10120 1796 50 0000 L CNN
F 1 "26k" H 10120 1705 50 0000 L CNN
F 2 "" V 9980 1750 50 0001 C CNN
F 3 "~" H 10050 1750 50 0001 C CNN
1 10050 1750
1 0 0 -1
$EndComp
$Comp
L Device:R R?
U 1 1 6046A4BC
P 10050 2250
F 0 "R?" H 10120 2296 50 0000 L CNN
F 1 "10k" H 10120 2205 50 0000 L CNN
F 2 "" V 9980 2250 50 0001 C CNN
F 3 "~" H 10050 2250 50 0001 C CNN
1 10050 2250
1 0 0 -1
$EndComp
Wire Wire Line
10050 2400 10050 2500
$Comp
L power:GND #PWR?
U 1 1 6046AF94
P 10050 2500
F 0 "#PWR?" H 10050 2250 50 0001 C CNN
F 1 "GND" H 10055 2327 50 0000 C CNN
F 2 "" H 10050 2500 50 0001 C CNN
F 3 "" H 10050 2500 50 0001 C CNN
1 10050 2500
1 0 0 -1
$EndComp
Wire Wire Line
10050 2100 10050 2000
Wire Wire Line
10050 2000 9800 2000
Wire Wire Line
9800 2000 9800 1600
Wire Wire Line
9800 1600 9450 1600
Connection ~ 10050 2000
Wire Wire Line
10050 2000 10050 1900
Wire Wire Line
9950 1500 10050 1500
Wire Wire Line
10050 1500 10050 1600
$Comp
L Device:C C?
U 1 1 60470922
P 10400 1750
F 0 "C?" H 10515 1796 50 0000 L CNN
F 1 "330p" H 10515 1705 50 0000 L CNN
F 2 "" H 10438 1600 50 0001 C CNN
F 3 "~" H 10400 1750 50 0001 C CNN
1 10400 1750
1 0 0 -1
$EndComp
Wire Wire Line
10400 1600 10400 1500
Wire Wire Line
10400 1500 10050 1500
Connection ~ 10050 1500
Wire Wire Line
10400 1900 10400 2000
Wire Wire Line
10400 2000 10050 2000
$Comp
L Device:C C?
U 1 1 6047212E
P 10850 1750
F 0 "C?" H 10965 1796 50 0000 L CNN
F 1 "4u7" H 10965 1705 50 0000 L CNN
F 2 "" H 10888 1600 50 0001 C CNN
F 3 "~" H 10850 1750 50 0001 C CNN
1 10850 1750
1 0 0 -1
$EndComp
Wire Wire Line
10850 1600 10850 1500
Wire Wire Line
10850 1500 10400 1500
Connection ~ 10400 1500
Wire Wire Line
10850 1900 10850 2500
$Comp
L power:GND #PWR?
U 1 1 60473C75
P 10850 2500
F 0 "#PWR?" H 10850 2250 50 0001 C CNN
F 1 "GND" H 10855 2327 50 0000 C CNN
F 2 "" H 10850 2500 50 0001 C CNN
F 3 "" H 10850 2500 50 0001 C CNN
1 10850 2500
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 6047460D
P 9150 2500
F 0 "#PWR?" H 9150 2250 50 0001 C CNN
F 1 "GND" H 9155 2327 50 0000 C CNN
F 2 "" H 9150 2500 50 0001 C CNN
F 3 "" H 9150 2500 50 0001 C CNN
1 9150 2500
1 0 0 -1
$EndComp
Wire Wire Line
9150 2500 9150 1900
$Comp
L Device:C C?
U 1 1 6047AD39
P 8500 1750
F 0 "C?" H 8615 1796 50 0000 L CNN
F 1 "4u7" H 8615 1705 50 0000 L CNN
F 2 "" H 8538 1600 50 0001 C CNN
F 3 "~" H 8500 1750 50 0001 C CNN
1 8500 1750
1 0 0 -1
$EndComp
Wire Wire Line
8500 1600 8500 1500
Connection ~ 8750 1500
Wire Wire Line
8500 1900 8500 2500
$Comp
L power:GND #PWR?
U 1 1 6047DC73
P 8500 2500
F 0 "#PWR?" H 8500 2250 50 0001 C CNN
F 1 "GND" H 8505 2327 50 0000 C CNN
F 2 "" H 8500 2500 50 0001 C CNN
F 3 "" H 8500 2500 50 0001 C CNN
1 8500 2500
1 0 0 -1
$EndComp
Connection ~ 8500 1500
Wire Wire Line
7550 1500 7250 1500
Wire Wire Line
7250 1500 7250 1400
$Comp
L power:+BATT #PWR?
U 1 1 604966CF
P 7250 1400
F 0 "#PWR?" H 7250 1250 50 0001 C CNN
F 1 "+BATT" H 7265 1573 50 0000 C CNN
F 2 "" H 7250 1400 50 0001 C CNN
F 3 "" H 7250 1400 50 0001 C CNN
1 7250 1400
1 0 0 -1
$EndComp
Wire Wire Line
7750 1800 7750 1900
Wire Wire Line
10850 1400 10850 1500
Connection ~ 10850 1500
$Comp
L Device:R R?
U 1 1 604F2B02
P 7500 1900
F 0 "R?" V 7293 1900 50 0000 C CNN
F 1 "10k" V 7384 1900 50 0000 C CNN
F 2 "" V 7430 1900 50 0001 C CNN
F 3 "~" H 7500 1900 50 0001 C CNN
1 7500 1900
0 1 1 0
$EndComp
Wire Wire Line
7650 1900 7750 1900
Wire Wire Line
7350 1900 7250 1900
Wire Wire Line
7250 1900 7250 1500
Connection ~ 7250 1500
Text Notes 8850 950 0 79 ~ 0
LED Supply
$Comp
L Device:Q_PMOS_GSD Q?
U 1 1 6050E25F
P 7750 1600
F 0 "Q?" V 8092 1600 50 0000 C CNN
F 1 "NTR4171P" V 8001 1600 50 0000 C CNN
F 2 "" H 7950 1700 50 0001 C CNN
F 3 "~" H 7750 1600 50 0001 C CNN
1 7750 1600
0 1 -1 0
$EndComp
Wire Wire Line
8750 1600 8850 1600
$Comp
L Device:D_Schottky D?
U 1 1 60539B27
P 10050 1250
F 0 "D?" V 10050 1170 50 0000 R CNN
F 1 "D_Schottky" V 10005 1170 50 0001 R CNN
F 2 "" H 10050 1250 50 0001 C CNN
F 3 "~" H 10050 1250 50 0001 C CNN
1 10050 1250
0 -1 -1 0
$EndComp
Wire Wire Line
10050 1400 10050 1500
Wire Wire Line
10050 1100 10050 1000
$Comp
L power:VBUS #PWR?
U 1 1 605497D1
P 10050 1000
F 0 "#PWR?" H 10050 850 50 0001 C CNN
F 1 "VBUS" H 10065 1173 50 0000 C CNN
F 2 "" H 10050 1000 50 0001 C CNN
F 3 "" H 10050 1000 50 0001 C CNN
1 10050 1000
1 0 0 -1
$EndComp
Text Notes 10650 1500 0 50 ~ 0
4.5V
$Comp
L leddie_parts:VLED #PWR?
U 1 1 6057AAF4
P 10850 1400
F 0 "#PWR?" H 10850 1250 50 0001 C CNN
F 1 "VLED" H 10865 1573 50 0000 C CNN
F 2 "" H 10850 1400 50 0001 C CNN
F 3 "" H 10850 1400 50 0001 C CNN
1 10850 1400
1 0 0 -1
$EndComp
Text Notes 4400 2250 0 50 ~ 0
charge current: 250mA
$Sheet
S 4250 4300 550 200
U 6058E11E
F0 "led_substring_power" 47
F1 "led_substring.sch" 47
F2 "DOUT" O R 4800 4400 47
F3 "DIN" I L 4250 4400 47
$EndSheet
Text Notes 9200 2200 0 47 ~ 0
For layout hints, see\nTPS6104x datasheet
Text HLabel 7650 2050 0 50 Input ~ 0
~VLED_EN
Wire Wire Line
7750 1900 7750 2050
Wire Wire Line
7750 2050 7650 2050
Connection ~ 7750 1900
Text HLabel 4850 1950 2 50 Output ~ 0
~CHG_ACTIVE
Wire Wire Line
4850 1950 4750 1950
$Comp
L Regulator_Linear:TPS71533__SC70 U?
U 1 1 605A11F4
P 1850 1850
AR Path="/60699B96/605A11F4" Ref="U?" Part="1"
AR Path="/60435139/605A11F4" Ref="U?" Part="1"
F 0 "U?" H 1850 2092 50 0000 C CNN
F 1 "TPS71533__SC70" H 1850 2001 50 0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-353_SC-70-5" H 1850 2075 50 0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tps715.pdf" H 1550 2650 50 0001 C CNN
1 1850 1850
1 0 0 -1
$EndComp
Wire Wire Line
2150 1850 2250 1850
Wire Wire Line
2250 1850 2250 1750
Wire Wire Line
1850 2150 1850 2350
$Comp
L power:GND #PWR?
U 1 1 605A11FD
P 1850 2350
AR Path="/60699B96/605A11FD" Ref="#PWR?" Part="1"
AR Path="/60435139/605A11FD" Ref="#PWR?" Part="1"
F 0 "#PWR?" H 1850 2100 50 0001 C CNN
F 1 "GND" H 1855 2177 50 0000 C CNN
F 2 "" H 1850 2350 50 0001 C CNN
F 3 "" H 1850 2350 50 0001 C CNN
1 1850 2350
1 0 0 -1
$EndComp
$Comp
L power:+BATT #PWR?
U 1 1 605A1203
P 1450 1750
AR Path="/60699B96/605A1203" Ref="#PWR?" Part="1"
AR Path="/60435139/605A1203" Ref="#PWR?" Part="1"
F 0 "#PWR?" H 1450 1600 50 0001 C CNN
F 1 "+BATT" H 1465 1923 50 0000 C CNN
F 2 "" H 1450 1750 50 0001 C CNN
F 3 "" H 1450 1750 50 0001 C CNN
1 1450 1750
1 0 0 -1
$EndComp
Wire Wire Line
1550 1850 1450 1850
Wire Wire Line
1450 1850 1450 1750
$Comp
L leddie_parts:VCPU #PWR?
U 1 1 605A120B
P 2250 1750
AR Path="/60699B96/605A120B" Ref="#PWR?" Part="1"
AR Path="/60435139/605A120B" Ref="#PWR?" Part="1"
F 0 "#PWR?" H 2250 1600 50 0001 C CNN
F 1 "VCPU" H 2265 1923 50 0000 C CNN
F 2 "" H 2250 1750 50 0001 C CNN
F 3 "" H 2250 1750 50 0001 C CNN
1 2250 1750
1 0 0 -1
$EndComp
$Comp
L Device:C C?
U 1 1 605A1211
P 2250 2100
AR Path="/60699B96/605A1211" Ref="C?" Part="1"
AR Path="/60435139/605A1211" Ref="C?" Part="1"
F 0 "C?" H 2365 2146 50 0000 L CNN
F 1 "470n" H 2365 2055 50 0000 L CNN
F 2 "" H 2288 1950 50 0001 C CNN
F 3 "~" H 2250 2100 50 0001 C CNN
1 2250 2100
1 0 0 -1
$EndComp
Wire Wire Line
2250 1950 2250 1850
Connection ~ 2250 1850
Wire Wire Line
2250 2250 2250 2350
$Comp
L power:GND #PWR?
U 1 1 605A121A
P 2250 2350
AR Path="/60699B96/605A121A" Ref="#PWR?" Part="1"
AR Path="/60435139/605A121A" Ref="#PWR?" Part="1"
F 0 "#PWR?" H 2250 2100 50 0001 C CNN
F 1 "GND" H 2255 2177 50 0000 C CNN
F 2 "" H 2250 2350 50 0001 C CNN
F 3 "" H 2250 2350 50 0001 C CNN
1 2250 2350
1 0 0 -1
$EndComp
Text Notes 1550 1450 0 79 ~ 0
Always-on\nCPU Supply
Text Notes 7800 4800 0 50 ~ 0
Always on:\n +BATT: 3.0 - 4.2 V, 2.5 A, unregulated from battery cell\n VCPU: 3.0 - 3.3 V, 50 mA, unregulated, clipped at 3.3V\nCPU controlled:\n VAUX: VCPU - 0.7V, 10 mA, unregulated\n VLED: 5V, 2.1 A, regulated\nWhen plugged in:\n VBUS: 5V, 500 mA, regulated\n\nNote: Current values are maximum design current.\nNote: VLED shall not draw more than 400 mA.\nNote: Stand-by current should be around 5uA.\nNote: VAUX is generated on the "digital" sheet.
Text Notes 1050 2300 0 50 ~ 0
Needs to support\ndropout mode with\na max drop of 0.3V!
Wire Wire Line
8500 1500 8750 1500
Wire Wire Line
8750 1600 8750 1500
$Comp
L Device:C C?
U 1 1 606AE047
P 8100 1750
F 0 "C?" H 8215 1796 50 0000 L CNN
F 1 "4u7" H 8215 1705 50 0000 L CNN
F 2 "" H 8138 1600 50 0001 C CNN
F 3 "~" H 8100 1750 50 0001 C CNN
1 8100 1750
1 0 0 -1
$EndComp
Wire Wire Line
8100 1900 8100 2500
$Comp
L power:GND #PWR?
U 1 1 606AE258
P 8100 2500
F 0 "#PWR?" H 8100 2250 50 0001 C CNN
F 1 "GND" H 8105 2327 50 0000 C CNN
F 2 "" H 8100 2500 50 0001 C CNN
F 3 "" H 8100 2500 50 0001 C CNN
1 8100 2500
1 0 0 -1
$EndComp
Wire Wire Line
8100 1600 8100 1500
Wire Wire Line
8100 1500 8500 1500
Wire Wire Line
7950 1500 8100 1500
Connection ~ 8100 1500
Text Notes 8300 3750 0 79 ~ 0
Power supply overview
Wire Notes Line
7750 3600 10150 3600
Wire Notes Line
10150 3600 10150 4850
Wire Notes Line
10150 4850 7750 4850
Wire Notes Line
7750 4850 7750 3600
Text HLabel 4150 4400 0 50 Input ~ 0
LED_DIN
Wire Wire Line
4150 4400 4250 4400
Wire Wire Line
4900 4400 4800 4400
NoConn ~ 4900 4400
$EndSCHEMATC
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