Quick small board for testing the BQ24190 chip in OTG conditions: charging a battery in device mode, powering VBUS device in host mode, all while powering V_SYS (the MCU/rest).
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819 lines
21 KiB

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 2
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Connector:USB_B_Mini J?
U 1 1 60D3B0BB
P 1100 4400
AR Path="/5F7C2971/60D3B0BB" Ref="J?" Part="1"
AR Path="/5F7C29DF/60D3B0BB" Ref="J?" Part="1"
AR Path="/60CFD8F5/60D3B0BB" Ref="J1" Part="1"
F 0 "J1" H 1157 4867 50 0000 C CNN
F 1 "USB_B_Micro" H 1157 4776 50 0000 C CNN
F 2 "Connector_USB:USB_Micro-B_Wuerth_629105150521" H 1250 4350 50 0001 C CNN
F 3 "~" H 1250 4350 50 0001 C CNN
1 1100 4400
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 60D3B11B
P 1000 4800
AR Path="/5F7C29DF/60D3B11B" Ref="#PWR?" Part="1"
AR Path="/60CFD8F5/60D3B11B" Ref="#PWR01" Part="1"
F 0 "#PWR01" H 1000 4550 50 0001 C CNN
F 1 "GND" H 1005 4627 50 0000 C CNN
F 2 "" H 1000 4800 50 0001 C CNN
F 3 "" H 1000 4800 50 0001 C CNN
1 1000 4800
1 0 0 -1
$EndComp
Wire Wire Line
1000 4800 1100 4800
Connection ~ 1000 4800
$Comp
L Power_Protection:USBLC6-2SC6 U?
U 1 1 60D3B2BA
P 2650 4450
AR Path="/5F7C29DF/60D3B2BA" Ref="U?" Part="1"
AR Path="/60CFD8F5/60D3B2BA" Ref="U1" Part="1"
F 0 "U1" V 3150 4300 50 0000 L CNN
F 1 "USBLC6-2SC6" V 2150 4150 50 0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23-6_Handsoldering" H 2650 3950 50 0001 C CNN
F 3 "https://www.st.com/resource/en/datasheet/usblc6-2.pdf" H 2850 4800 50 0001 C CNN
F 4 "C7519" H 2650 4450 50 0001 C CNN "lcsc"
1 2650 4450
0 1 -1 0
$EndComp
$Comp
L power:GND #PWR?
U 1 1 60D3B2C0
P 2250 4450
AR Path="/5F7C29DF/60D3B2C0" Ref="#PWR?" Part="1"
AR Path="/60CFD8F5/60D3B2C0" Ref="#PWR015" Part="1"
F 0 "#PWR015" H 2250 4200 50 0001 C CNN
F 1 "GND" H 2255 4277 50 0000 C CNN
F 2 "" H 2250 4450 50 0001 C CNN
F 3 "" H 2250 4450 50 0001 C CNN
1 2250 4450
0 1 1 0
$EndComp
Wire Wire Line
2550 4050 2550 4000
Wire Wire Line
2550 4000 1900 4000
Wire Wire Line
1900 4000 1900 4400
Wire Wire Line
1900 4400 1400 4400
Wire Wire Line
2550 4850 2550 4900
Wire Wire Line
2550 4900 1900 4900
Wire Wire Line
1900 4900 1900 4500
Wire Wire Line
1900 4500 1400 4500
$Comp
L d_ti:BQ24190 U?
U 1 1 60D3B4D3
P 6750 3000
AR Path="/5F7C29DF/60D3B4D3" Ref="U?" Part="1"
AR Path="/60CFD8F5/60D3B4D3" Ref="U2" Part="1"
F 0 "U2" H 6725 3101 39 0000 C CNN
F 1 "BQ24190" H 6725 3026 39 0000 C CNN
F 2 "Package_DFN_QFN:VQFN-24-1EP_4x4mm_P0.5mm_EP2.45x2.45mm_ThermalVias" H 5700 3300 39 0001 C CNN
F 3 "" H 5700 3300 39 0001 C CNN
1 6750 3000
1 0 0 -1
$EndComp
$Comp
L Device:C C?
U 1 1 60D3B4D9
P 5950 2950
AR Path="/5F7C29DF/60D3B4D9" Ref="C?" Part="1"
AR Path="/60CFD8F5/60D3B4D9" Ref="C2" Part="1"
F 0 "C2" H 5800 3050 50 0000 L CNN
F 1 "1uF X7R/X5R" H 5950 3050 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder" H 5988 2800 50 0001 C CNN
F 3 "~" H 5950 2950 50 0001 C CNN
1 5950 2950
1 0 0 -1
$EndComp
Connection ~ 5950 3100
$Comp
L power:GND #PWR?
U 1 1 60D3B4E1
P 5950 2800
AR Path="/5F7C29DF/60D3B4E1" Ref="#PWR?" Part="1"
AR Path="/60CFD8F5/60D3B4E1" Ref="#PWR028" Part="1"
F 0 "#PWR028" H 5950 2550 50 0001 C CNN
F 1 "GND" V 5955 2672 50 0000 R CNN
F 2 "" H 5950 2800 50 0001 C CNN
F 3 "" H 5950 2800 50 0001 C CNN
1 5950 2800
-1 0 0 1
$EndComp
$Comp
L Device:C C?
U 1 1 60D3B4E7
P 8350 2950
AR Path="/5F7C29DF/60D3B4E7" Ref="C?" Part="1"
AR Path="/60CFD8F5/60D3B4E7" Ref="C11" Part="1"
F 0 "C11" H 8465 2996 50 0000 L CNN
F 1 "10uF X5R" H 8465 2905 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder" H 8388 2800 50 0001 C CNN
F 3 "~" H 8350 2950 50 0001 C CNN
1 8350 2950
1 0 0 -1
$EndComp
$Comp
L Device:L L?
U 1 1 60D3B4ED
P 8050 3100
AR Path="/5F7C29DF/60D3B4ED" Ref="L?" Part="1"
AR Path="/60CFD8F5/60D3B4ED" Ref="L1" Part="1"
F 0 "L1" V 8240 3100 50 0000 C CNN
F 1 "2.2uH" V 8149 3100 50 0000 C CNN
F 2 "Inductor_SMD:L_Vishay_IHLP-2020" H 8050 3100 50 0001 C CNN
F 3 "~" H 8050 3100 50 0001 C CNN
F 4 "704-MCQ1V2012-1R0-R" V 8050 3100 50 0001 C CNN "mouser"
1 8050 3100
0 -1 -1 0
$EndComp
$Comp
L Device:C C?
U 1 1 60D3B4F3
P 8750 2950
AR Path="/5F7C29DF/60D3B4F3" Ref="C?" Part="1"
AR Path="/60CFD8F5/60D3B4F3" Ref="C16" Part="1"
F 0 "C16" H 8865 2996 50 0000 L CNN
F 1 "10uF X5R" H 8865 2905 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder" H 8788 2800 50 0001 C CNN
F 3 "~" H 8750 2950 50 0001 C CNN
1 8750 2950
1 0 0 -1
$EndComp
Connection ~ 8350 3100
Wire Wire Line
8350 3100 8250 3100
Connection ~ 8750 3100
Wire Wire Line
8750 3100 8350 3100
Connection ~ 8750 2800
Wire Wire Line
8750 2800 8350 2800
$Comp
L power:GND #PWR?
U 1 1 60D3B515
P 8750 2800
AR Path="/5F7C29DF/60D3B515" Ref="#PWR?" Part="1"
AR Path="/60CFD8F5/60D3B515" Ref="#PWR040" Part="1"
F 0 "#PWR040" H 8750 2550 50 0001 C CNN
F 1 "GND" V 8755 2672 50 0000 R CNN
F 2 "" H 8750 2800 50 0001 C CNN
F 3 "" H 8750 2800 50 0001 C CNN
1 8750 2800
-1 0 0 1
$EndComp
Text Notes 9200 3200 0 39 ~ 0
SYS: 3.5V-4.35V
$Comp
L Device:C_Small C?
U 1 1 60D3B527
P 8400 3600
AR Path="/5F7C29DF/60D3B527" Ref="C?" Part="1"
AR Path="/60CFD8F5/60D3B527" Ref="C12" Part="1"
F 0 "C12" H 8450 3650 50 0000 L CNN
F 1 "4.7uF" H 8450 3550 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder" H 8400 3600 50 0001 C CNN
F 3 "~" H 8400 3600 50 0001 C CNN
1 8400 3600
1 0 0 -1
$EndComp
Wire Wire Line
7200 3500 7800 3500
$Comp
L power:GND #PWR?
U 1 1 60D3B52E
P 8400 3700
AR Path="/5F7C29DF/60D3B52E" Ref="#PWR?" Part="1"
AR Path="/60CFD8F5/60D3B52E" Ref="#PWR037" Part="1"
F 0 "#PWR037" H 8400 3450 50 0001 C CNN
F 1 "GND" V 8400 3600 50 0000 R CNN
F 2 "" H 8400 3700 50 0001 C CNN
F 3 "" H 8400 3700 50 0001 C CNN
1 8400 3700
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 60D3B534
P 6650 4950
AR Path="/5F7C29DF/60D3B534" Ref="#PWR?" Part="1"
AR Path="/60CFD8F5/60D3B534" Ref="#PWR032" Part="1"
F 0 "#PWR032" H 6650 4700 50 0001 C CNN
F 1 "GND" V 6655 4822 50 0000 R CNN
F 2 "" H 6650 4950 50 0001 C CNN
F 3 "" H 6650 4950 50 0001 C CNN
1 6650 4950
1 0 0 -1
$EndComp
Wire Wire Line
8250 3700 8250 3100
Connection ~ 8250 3100
Wire Wire Line
8250 3100 8200 3100
Wire Wire Line
7200 3800 8250 3800
Wire Wire Line
8250 3800 8250 3700
Connection ~ 8250 3700
Wire Wire Line
8100 4000 7350 4000
$Comp
L Device:C C?
U 1 1 60D3B54C
P 8600 4300
AR Path="/5F7C29DF/60D3B54C" Ref="C?" Part="1"
AR Path="/60CFD8F5/60D3B54C" Ref="C17" Part="1"
F 0 "C17" V 8348 4300 50 0000 C CNN
F 1 "10uF" V 8439 4300 50 0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder" H 8638 4150 50 0001 C CNN
F 3 "~" H 8600 4300 50 0001 C CNN
1 8600 4300
-1 0 0 1
$EndComp
Wire Wire Line
7200 4300 7300 4300
Wire Wire Line
5950 3100 6250 3100
Wire Wire Line
5950 3200 5950 3100
$Comp
L Device:C C?
U 1 1 60D3B568
P 5300 3150
AR Path="/5F7C29DF/60D3B568" Ref="C?" Part="1"
AR Path="/60CFD8F5/60D3B568" Ref="C1" Part="1"
F 0 "C1" H 5415 3196 50 0000 L CNN
F 1 "6.8uF" H 5415 3105 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder" H 5338 3000 50 0001 C CNN
F 3 "~" H 5300 3150 50 0001 C CNN
1 5300 3150
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 60D3B56E
P 5300 3000
AR Path="/5F7C29DF/60D3B56E" Ref="#PWR?" Part="1"
AR Path="/60CFD8F5/60D3B56E" Ref="#PWR024" Part="1"
F 0 "#PWR024" H 5300 2750 50 0001 C CNN
F 1 "GND" V 5305 2872 50 0000 R CNN
F 2 "" H 5300 3000 50 0001 C CNN
F 3 "" H 5300 3000 50 0001 C CNN
1 5300 3000
-1 0 0 1
$EndComp
Wire Wire Line
5300 3300 6250 3300
$Comp
L Device:LED D?
U 1 1 60D3B575
P 5750 3800
AR Path="/5F7C29DF/60D3B575" Ref="D?" Part="1"
AR Path="/60CFD8F5/60D3B575" Ref="D1" Part="1"
F 0 "D1" H 5750 3700 50 0000 C CNN
F 1 "LED" H 5750 3900 50 0000 C CNN
F 2 "LED_THT:LED_D5.0mm" H 5750 3800 50 0001 C CNN
F 3 "~" H 5750 3800 50 0001 C CNN
F 4 "859-LTST-C190GKT" H 5750 3800 50 0001 C CNN "mouser"
1 5750 3800
-1 0 0 1
$EndComp
$Comp
L Device:R R?
U 1 1 60D3B57C
P 5450 3800
AR Path="/5F7C29DF/60D3B57C" Ref="R?" Part="1"
AR Path="/60CFD8F5/60D3B57C" Ref="R13" Part="1"
F 0 "R13" V 5550 3800 50 0000 C CNN
F 1 "2.2k" V 5334 3800 50 0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" V 5380 3800 50 0001 C CNN
F 3 "~" H 5450 3800 50 0001 C CNN
1 5450 3800
0 1 1 0
$EndComp
Wire Wire Line
5900 3800 6250 3800
Wire Wire Line
7200 4100 7350 4100
Wire Wire Line
7350 4100 7350 4000
Connection ~ 7350 4000
Wire Wire Line
7350 4000 7200 4000
$Comp
L Device:R_Small R?
U 1 1 60D3B588
P 7700 4550
AR Path="/5F7C29DF/60D3B588" Ref="R?" Part="1"
AR Path="/60CFD8F5/60D3B588" Ref="R14" Part="1"
F 0 "R14" V 7896 4550 50 0000 C CNN
F 1 "10k" V 7805 4550 50 0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" H 7700 4550 50 0001 C CNN
F 3 "~" H 7700 4550 50 0001 C CNN
1 7700 4550
0 -1 -1 0
$EndComp
$Comp
L Device:R_Small R?
U 1 1 60D3B58E
P 7950 4750
AR Path="/5F7C29DF/60D3B58E" Ref="R?" Part="1"
AR Path="/60CFD8F5/60D3B58E" Ref="R15" Part="1"
F 0 "R15" V 7750 4750 50 0000 C CNN
F 1 "10k" V 7850 4750 50 0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" H 7950 4750 50 0001 C CNN
F 3 "~" H 7950 4750 50 0001 C CNN
1 7950 4750
0 -1 -1 0
$EndComp
Wire Wire Line
7200 4500 7300 4500
Wire Wire Line
7300 4500 7300 4600
Wire Wire Line
7300 4600 7200 4600
Wire Wire Line
7300 4600 7300 4650
Connection ~ 7300 4600
Wire Wire Line
7600 4750 7850 4750
$Comp
L power:GND #PWR?
U 1 1 60D3B59D
P 8050 4750
AR Path="/5F7C29DF/60D3B59D" Ref="#PWR?" Part="1"
AR Path="/60CFD8F5/60D3B59D" Ref="#PWR039" Part="1"
F 0 "#PWR039" H 8050 4500 50 0001 C CNN
F 1 "GND" V 8055 4622 50 0000 R CNN
F 2 "" H 8050 4750 50 0001 C CNN
F 3 "" H 8050 4750 50 0001 C CNN
1 8050 4750
0 -1 -1 0
$EndComp
Wire Wire Line
7800 4550 7800 3500
Connection ~ 7800 3500
NoConn ~ 5300 6300
Text Notes 1600 3850 0 118 ~ 0
USB OTG
Wire Wire Line
6650 4950 6750 4950
Connection ~ 6650 4950
Connection ~ 6750 4950
Wire Wire Line
6750 4950 6850 4950
Text Notes 6300 2650 0 118 ~ 0
battery charger
Text Notes 4150 4850 0 79 ~ 0
if OTG is HIGH then Boost Mode is\nactivated
Text Notes 6500 3950 0 39 ~ 0
addr 6BH
Wire Wire Line
5850 3100 5950 3100
Wire Wire Line
5950 3200 6250 3200
$Comp
L Device:C_Small C?
U 1 1 60D3B51D
P 7500 3300
AR Path="/5F7C29DF/60D3B51D" Ref="C?" Part="1"
AR Path="/60CFD8F5/60D3B51D" Ref="C8" Part="1"
F 0 "C8" H 7550 3350 50 0000 L CNN
F 1 "47nF" H 7700 3350 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder" H 7500 3300 50 0001 C CNN
F 3 "~" H 7500 3300 50 0001 C CNN
1 7500 3300
1 0 0 -1
$EndComp
Wire Wire Line
7200 3200 7500 3200
Wire Wire Line
7200 3100 7500 3100
Wire Wire Line
7500 3200 7500 3100
Connection ~ 7500 3100
Wire Wire Line
7500 3100 7900 3100
$Comp
L Connector_Generic:Conn_01x09 J3
U 1 1 6194C1BC
P 1400 2400
F 0 "J3" H 1480 2442 50 0000 L CNN
F 1 "mcu" H 1480 2351 50 0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x09_P2.54mm_Vertical" H 1400 2400 50 0001 C CNN
F 3 "~" H 1400 2400 50 0001 C CNN
1 1400 2400
1 0 0 -1
$EndComp
$Comp
L Connector:TestPoint TP1
U 1 1 6194F1A5
P 2600 1650
F 0 "TP1" H 2658 1768 50 0000 L CNN
F 1 "vusb" H 2658 1677 50 0000 L CNN
F 2 "TestPoint:TestPoint_Keystone_5010-5014_Multipurpose" H 2800 1650 50 0001 C CNN
F 3 "~" H 2800 1650 50 0001 C CNN
1 2600 1650
1 0 0 -1
$EndComp
$Comp
L Connector:TestPoint TP2
U 1 1 6194F511
P 2600 2100
F 0 "TP2" H 2658 2218 50 0000 L CNN
F 1 "gnd" H 2658 2127 50 0000 L CNN
F 2 "TestPoint:TestPoint_Keystone_5010-5014_Multipurpose" H 2800 2100 50 0001 C CNN
F 3 "~" H 2800 2100 50 0001 C CNN
1 2600 2100
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 6194F9D7
P 2600 2100
AR Path="/5F7C29DF/6194F9D7" Ref="#PWR?" Part="1"
AR Path="/60CFD8F5/6194F9D7" Ref="#PWR0104" Part="1"
F 0 "#PWR0104" H 2600 1850 50 0001 C CNN
F 1 "GND" V 2605 1972 50 0000 R CNN
F 2 "" H 2600 2100 50 0001 C CNN
F 3 "" H 2600 2100 50 0001 C CNN
1 2600 2100
1 0 0 -1
$EndComp
$Comp
L Connector:TestPoint TP3
U 1 1 619501B5
P 2600 2600
F 0 "TP3" H 2658 2718 50 0000 L CNN
F 1 "vsys" H 2658 2627 50 0000 L CNN
F 2 "TestPoint:TestPoint_Keystone_5010-5014_Multipurpose" H 2800 2600 50 0001 C CNN
F 3 "~" H 2800 2600 50 0001 C CNN
1 2600 2600
1 0 0 -1
$EndComp
$Comp
L Connector:TestPoint TP4
U 1 1 619506B6
P 3700 1650
F 0 "TP4" H 3758 1768 50 0000 L CNN
F 1 "bq_batp" H 3758 1677 50 0000 L CNN
F 2 "TestPoint:TestPoint_Keystone_5010-5014_Multipurpose" H 3900 1650 50 0001 C CNN
F 3 "~" H 3900 1650 50 0001 C CNN
1 3700 1650
1 0 0 -1
$EndComp
$Comp
L Jumper:Jumper_3_Bridged12 JP2
U 1 1 61961F12
P 5550 5650
F 0 "JP2" H 5550 5854 50 0000 C CNN
F 1 "jmp_ilim" H 5550 5763 50 0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 5550 5650 50 0001 C CNN
F 3 "~" H 5550 5650 50 0001 C CNN
1 5550 5650
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 619628E0
P 5300 5650
AR Path="/5F7C29DF/619628E0" Ref="#PWR?" Part="1"
AR Path="/60CFD8F5/619628E0" Ref="#PWR0101" Part="1"
F 0 "#PWR0101" H 5300 5400 50 0001 C CNN
F 1 "GND" V 5305 5522 50 0000 R CNN
F 2 "" H 5300 5650 50 0001 C CNN
F 3 "" H 5300 5650 50 0001 C CNN
1 5300 5650
0 1 1 0
$EndComp
$Comp
L Connector:TestPoint TP5
U 1 1 61963BAE
P 3700 2150
F 0 "TP5" H 3758 2268 50 0000 L CNN
F 1 "ilim" H 3758 2177 50 0000 L CNN
F 2 "TestPoint:TestPoint_Keystone_5010-5014_Multipurpose" H 3900 2150 50 0001 C CNN
F 3 "~" H 3900 2150 50 0001 C CNN
1 3700 2150
1 0 0 -1
$EndComp
$Comp
L Connector_Generic:Conn_01x01 J4
U 1 1 61964EB2
P 6000 5650
F 0 "J4" H 6080 5692 50 0000 L CNN
F 1 "ilim" H 6080 5601 50 0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" H 6000 5650 50 0001 C CNN
F 3 "~" H 6000 5650 50 0001 C CNN
1 6000 5650
1 0 0 -1
$EndComp
$Comp
L Jumper:Jumper_3_Bridged12 JP3
U 1 1 6196C354
P 5550 6300
F 0 "JP3" H 5550 6517 50 0000 C CNN
F 1 "jmp_~CE" H 5550 6419 50 0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 5550 6300 50 0001 C CNN
F 3 "~" H 5550 6300 50 0001 C CNN
1 5550 6300
1 0 0 -1
$EndComp
Text Notes 3850 6150 0 79 ~ 0
otter calc:\ndefault ilim: GND\ndefault ~CE~: floating
$Comp
L Connector:TestPoint TP6
U 1 1 619727B9
P 3100 1650
F 0 "TP6" H 3158 1768 50 0000 L CNN
F 1 "regn" H 3158 1677 50 0000 L CNN
F 2 "TestPoint:TestPoint_Keystone_5010-5014_Multipurpose" H 3300 1650 50 0001 C CNN
F 3 "~" H 3300 1650 50 0001 C CNN
1 3100 1650
1 0 0 -1
$EndComp
Text Notes 6950 1700 0 79 ~ 0
seen:\nINT tied to V_SYS
Text Notes 8900 3950 0 79 ~ 0
a battery with three pins,\ncan get the NTC wire connected
$Comp
L Connector_Generic:Conn_01x03 J6
U 1 1 61975ACB
P 9400 4200
F 0 "J6" H 9480 4242 50 0000 L CNN
F 1 "battery" H 9480 4151 50 0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 9400 4200 50 0001 C CNN
F 3 "~" H 9400 4200 50 0001 C CNN
1 9400 4200
1 0 0 -1
$EndComp
$Comp
L Connector:TestPoint TP7
U 1 1 619767DC
P 3100 2100
F 0 "TP7" H 3158 2218 50 0000 L CNN
F 1 "bat_ntc" H 3158 2127 50 0000 L CNN
F 2 "TestPoint:TestPoint_Keystone_5010-5014_Multipurpose" H 3300 2100 50 0001 C CNN
F 3 "~" H 3300 2100 50 0001 C CNN
1 3100 2100
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR?
U 1 1 61976E5D
P 8600 4150
AR Path="/5F7C29DF/61976E5D" Ref="#PWR?" Part="1"
AR Path="/60CFD8F5/61976E5D" Ref="#PWR0105" Part="1"
F 0 "#PWR0105" H 8600 3900 50 0001 C CNN
F 1 "GND" V 8605 4022 50 0000 R CNN
F 2 "" H 8600 4150 50 0001 C CNN
F 3 "" H 8600 4150 50 0001 C CNN
1 8600 4150
0 1 1 0
$EndComp
Wire Wire Line
8600 4150 8850 4150
Wire Wire Line
8850 4150 8850 4200
Wire Wire Line
8850 4200 9200 4200
Connection ~ 8600 4150
Wire Wire Line
9200 4300 8950 4300
Wire Wire Line
8950 4300 8950 4450
Wire Wire Line
8950 4450 8600 4450
Wire Wire Line
8100 4450 8600 4450
Wire Wire Line
8100 4000 8100 4450
Connection ~ 8600 4450
Wire Wire Line
7300 4650 7600 4650
Wire Wire Line
7600 4650 7600 4750
Wire Wire Line
7600 4650 7600 4550
Connection ~ 7600 4650
Text Notes 8750 2750 0 39 ~ 0
ceramic caps types: C11,C16 X5R, C3: X7R
Wire Wire Line
8750 3100 9150 3100
Text Notes 7950 3200 0 39 ~ 0
1.5MHz switching freq
Text Notes 650 950 0 118 ~ 0
See bq24912.pdf page 42 for placement of\ncapacitors around the chip and GP
$Comp
L Device:C C?
U 1 1 619D0D0E
P 9150 2950
AR Path="/5F7C29DF/619D0D0E" Ref="C?" Part="1"
AR Path="/60CFD8F5/619D0D0E" Ref="C3" Part="1"
F 0 "C3" H 9265 2996 50 0000 L CNN
F 1 "0.1uF X7R" H 9265 2905 50 0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder" H 9188 2800 50 0001 C CNN
F 3 "~" H 9150 2950 50 0001 C CNN
1 9150 2950
1 0 0 -1
$EndComp
Connection ~ 9150 3100
Wire Wire Line
9150 3100 9850 3100
Wire Wire Line
8750 2800 9150 2800
Text Notes 6700 1150 0 79 ~ 0
refs:\n- https://e2e.ti.com/support/power-management/f/196/t/756694\n- https://e2e.ti.com/support/power-management/f/196/t/432554\n- https://e2e.ti.com/support/power-management/f/196/t/877383\n- eval board from TI: https://www.ti.com/lit/ug/sluua14c/sluua14c.pdf
$Comp
L Device:R_Small R1
U 1 1 619E46A5
P 7300 3400
F 0 "R1" V 7200 3350 50 0000 C CNN
F 1 "0" V 7200 3450 50 0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" H 7300 3400 50 0001 C CNN
F 3 "~" H 7300 3400 50 0001 C CNN
1 7300 3400
0 1 1 0
$EndComp
Wire Wire Line
7400 3400 7500 3400
Connection ~ 7500 3200
$Comp
L power:GND #PWR?
U 1 1 61A08852
P 1200 2000
AR Path="/5F7C29DF/61A08852" Ref="#PWR?" Part="1"
AR Path="/60CFD8F5/61A08852" Ref="#PWR0103" Part="1"
F 0 "#PWR0103" H 1200 1750 50 0001 C CNN
F 1 "GND" H 1205 1827 50 0000 C CNN
F 2 "" H 1200 2000 50 0001 C CNN
F 3 "" H 1200 2000 50 0001 C CNN
1 1200 2000
0 1 1 0
$EndComp
Text Label 1200 2800 2 39 ~ 0
V_SYS
Text Label 9850 3100 2 39 ~ 0
V_SYS
Text Label 5300 3800 2 39 ~ 0
V_SYS
Text Label 2600 2600 3 39 ~ 0
V_SYS
Text Label 1400 4200 0 39 ~ 0
VUSB
Text Label 3050 4450 0 39 ~ 0
VUSB
Text Label 2600 1650 3 39 ~ 0
VUSB
Text Label 5850 3100 2 39 ~ 0
VUSB
Text Label 1400 4600 0 39 ~ 0
USB0_ID
Text Label 1200 2100 2 39 ~ 0
USB0_ID
Text Label 1200 2200 2 39 ~ 0
USB0_DP
Text Label 1200 2300 2 39 ~ 0
USB0_DM
Text Label 2750 4050 0 39 ~ 0
USB0_DP
Text Label 2750 4850 0 39 ~ 0
USB0_DM
Text Label 6250 3500 2 39 ~ 0
USB0_DP
Text Label 6250 3600 2 39 ~ 0
USB0_DM
Text Label 6250 4500 2 39 ~ 0
~CE
Text Label 5550 6450 3 39 ~ 0
~CE
Text Label 5550 5800 3 39 ~ 0
ILIM
Text Label 7300 4300 0 39 ~ 0
ILIM
Text Label 6250 4400 2 39 ~ 0
OTG_EN
Text Label 6250 4300 2 39 ~ 0
BAT_INT
Text Label 6250 4200 2 39 ~ 0
INT_SCL
Text Label 6250 4100 2 39 ~ 0
INT_SDA
Text Label 1200 2700 2 39 ~ 0
OTG_EN
Text Label 1200 2600 2 39 ~ 0
BAT_INT
Text Label 1200 2400 2 39 ~ 0
INT_SCL
Text Label 1200 2500 2 39 ~ 0
INT_SDA
Text Label 3100 2100 3 39 ~ 0
BAT_NTC
Text Label 3700 2150 3 39 ~ 0
ILIM
Text Label 3700 1650 3 39 ~ 0
BQ_BATP
Text Label 3100 1650 3 39 ~ 0
REGN
Text Label 7600 4650 0 39 ~ 0
BAT_NTC
Text Label 7800 4050 3 39 ~ 0
REGN
Text Label 8100 4100 3 39 ~ 0
BQ_BATP
Text Label 9200 4100 2 39 ~ 0
BAT_NTC
$Comp
L Connector_Generic:Conn_01x01 J5
U 1 1 6196E678
P 6000 6300
F 0 "J5" H 6080 6348 50 0000 L CNN
F 1 "ext ~CE~" H 6080 6250 50 0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" H 6000 6300 50 0001 C CNN
F 3 "~" H 6000 6300 50 0001 C CNN
1 6000 6300
1 0 0 -1
$EndComp
$Comp
L power:PWR_FLAG #FLG0109
U 1 1 618606ED
P 7350 4000
F 0 "#FLG0109" H 7350 4075 50 0001 C CNN
F 1 "PWR_FLAG" H 7350 4150 50 0000 C CNN
F 2 "" H 7350 4000 50 0001 C CNN
F 3 "~" H 7350 4000 50 0001 C CNN
1 7350 4000
1 0 0 -1
$EndComp
Wire Wire Line
7200 3700 7400 3700
Connection ~ 7400 3700
$Comp
L power:PWR_FLAG #FLG0108
U 1 1 6185F480
P 7400 3700
F 0 "#FLG0108" H 7400 3775 50 0001 C CNN
F 1 "PWR_FLAG" H 7400 3850 50 0000 C CNN
F 2 "" H 7400 3700 50 0001 C CNN
F 3 "~" H 7400 3700 50 0001 C CNN
1 7400 3700
1 0 0 -1
$EndComp
Connection ~ 7500 3400
$Comp
L power:PWR_FLAG #FLG0102
U 1 1 6184D393
P 7500 3400
F 0 "#FLG0102" H 7500 3475 50 0001 C CNN
F 1 "PWR_FLAG" V 7500 3528 50 0000 L CNN
F 2 "" H 7500 3400 50 0001 C CNN
F 3 "~" H 7500 3400 50 0001 C CNN
1 7500 3400
0 1 1 0
$EndComp
Wire Wire Line
7800 3500 8400 3500
Wire Wire Line
7400 3700 8250 3700
$Comp
L Device:R R2
U 1 1 5FA6DB5B
P 3850 3300
F 0 "R2" H 3920 3346 50 0000 L CNN
F 1 "10K OPT" H 3920 3255 50 0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder" V 3780 3300 50 0001 C CNN
F 3 "~" H 3850 3300 50 0001 C CNN
1 3850 3300
1 0 0 -1
$EndComp
Text Label 3850 3150 1 39 ~ 0
BAT_INT
Text Label 3850 3450 3 39 ~ 0
V_SYS
$EndSCHEMATC