feedback_controller.sch

EESchema Schematic File Version 4
LIBS:feedback_controller-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Device:C_Small C3
U 1 1 5AC80332
P 4750 1700
F 0 "C3" H 4658 1654 50  0000 R CNN
F 1 "10uF" H 4658 1745 50  0000 R CNN
F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder" H 4750 1700 50  0001 C CNN
F 3 "~" H 4750 1700 50  0001 C CNN
	1    4750 1700
	-1   0    0    1   
$EndComp
$Comp
L Device:C_Small C4
U 1 1 5AC803A6
P 6400 1700
F 0 "C4" H 6492 1746 50  0000 L CNN
F 1 "10uF" H 6492 1655 50  0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder" H 6400 1700 50  0001 C CNN
F 3 "~" H 6400 1700 50  0001 C CNN
	1    6400 1700
	1    0    0    -1  
$EndComp
$Comp
L power:+BATT #PWR0102
U 1 1 5AC81391
P 4750 1300
F 0 "#PWR0102" H 4750 1150 50  0001 C CNN
F 1 "+BATT" H 4765 1473 50  0000 C CNN
F 2 "" H 4750 1300 50  0001 C CNN
F 3 "" H 4750 1300 50  0001 C CNN
	1    4750 1300
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Schottky D1
U 1 1 5AC82C38
P 8050 4750
F 0 "D1" H 8050 4534 50  0000 C CNN
F 1 "D_Schottky" H 8050 4625 50  0000 C CNN
F 2 "Diode_SMD:D_0603_1608Metric_Pad0.88x0.95mm_HandSolder" H 8050 4750 50  0001 C CNN
F 3 "~" H 8050 4750 50  0001 C CNN
	1    8050 4750
	-1   0    0    1   
$EndComp
$Comp
L Device:Battery_Cell BT1
U 1 1 5AC819F4
P 800 1550
F 0 "BT1" H 918 1646 50  0000 L CNN
F 1 "Battery_Cell" H 918 1555 50  0000 L CNN
F 2 "Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical" V 800 1610 50  0001 C CNN
F 3 "~" V 800 1610 50  0001 C CNN
	1    800  1550
	1    0    0    -1  
$EndComp
$Comp
L power:+BATT #PWR0105
U 1 1 5AC81AF7
P 800 900
F 0 "#PWR0105" H 800 750 50  0001 C CNN
F 1 "+BATT" H 815 1073 50  0000 C CNN
F 2 "" H 800 900 50  0001 C CNN
F 3 "" H 800 900 50  0001 C CNN
	1    800  900 
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:LMV324 U1
U 4 1 5AC83471
P 4150 4850
F 0 "U1" H 4150 5050 50  0000 L CNN
F 1 "LMV324" H 4150 4650 50  0000 L CNN
F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 4100 4950 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lmv324.pdf" H 4200 5050 50  0001 C CNN
	4    4150 4850
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:LMV324 U1
U 3 1 5AC83729
P 7300 4750
F 0 "U1" H 7300 4950 50  0000 L CNN
F 1 "LMV324" H 7300 4550 50  0000 L CNN
F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 7250 4850 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lmv324.pdf" H 7350 4950 50  0001 C CNN
	3    7300 4750
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:LMV324 U1
U 2 1 5AC837D9
P 2300 2350
F 0 "U1" H 2300 2500 50  0000 L CNN
F 1 "LMV324" H 2300 2200 50  0000 L CNN
F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 2250 2450 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lmv324.pdf" H 2350 2550 50  0001 C CNN
	2    2300 2350
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R2
U 1 1 5AC842D5
P 800 2600
F 0 "R2" H 859 2646 50  0000 L CNN
F 1 "0.1 1%" H 859 2555 50  0000 L CNN
F 2 "Resistor_SMD:R_1206_3216Metric" H 800 2600 50  0001 C CNN
F 3 "~" H 800 2600 50  0001 C CNN
	1    800  2600
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0106
U 1 1 5AC842DC
P 800 3050
F 0 "#PWR0106" H 800 2800 50  0001 C CNN
F 1 "GND" H 805 2877 50  0000 C CNN
F 2 "" H 800 3050 50  0001 C CNN
F 3 "" H 800 3050 50  0001 C CNN
	1    800  3050
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R19
U 1 1 5ACB8D2B
P 6100 5200
F 0 "R19" H 6041 5246 50  0000 R CNN
F 1 "10K 1%" H 6041 5155 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6100 5200 50  0001 C CNN
F 3 "~" H 6100 5200 50  0001 C CNN
	1    6100 5200
	-1   0    0    -1  
$EndComp
$Comp
L Device:R_Small R18
U 1 1 5ACBAA81
P 6050 4500
F 0 "R18" H 5991 4546 50  0000 R CNN
F 1 "8.2K 1%" H 5991 4455 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6050 4500 50  0001 C CNN
F 3 "~" H 6050 4500 50  0001 C CNN
	1    6050 4500
	-1   0    0    -1  
$EndComp
Wire Wire Line
	6050 4600 6050 4850
Wire Wire Line
	6050 4850 6100 4850
Wire Wire Line
	6100 4850 6100 5100
Connection ~ 6050 4850
Wire Wire Line
	7000 4850 6850 4850
Connection ~ 6100 4850
Wire Wire Line
	6050 4400 6050 4150
Wire Wire Line
	800  2700 800  2900
Text Label 2750 2350 0    50   ~ 0
batt_current
Text Label 6800 4650 2    50   ~ 0
batt_current
$Comp
L power:GND #PWR0108
U 1 1 5ACE92DC
P 6100 5550
F 0 "#PWR0108" H 6100 5300 50  0001 C CNN
F 1 "GND" H 6105 5377 50  0000 C CNN
F 2 "" H 6100 5550 50  0001 C CNN
F 3 "" H 6100 5550 50  0001 C CNN
	1    6100 5550
	1    0    0    -1  
$EndComp
Text Notes 5750 5450 0    50   ~ 0
TRICKLE CURRENT
Text Notes 3750 4450 0    50   ~ 0
CURRENT SET
Wire Wire Line
	5600 4850 5400 4850
$Comp
L Device:R_Small R11
U 1 1 5B1B1BCA
P 3050 1300
F 0 "R11" H 2991 1346 50  0000 R CNN
F 1 "15K 1%" H 2991 1255 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3050 1300 50  0001 C CNN
F 3 "~" H 3050 1300 50  0001 C CNN
	1    3050 1300
	-1   0    0    -1  
$EndComp
$Comp
L Device:R_Small R12
U 1 1 5B1B1D3E
P 3050 1800
F 0 "R12" H 2991 1846 50  0000 R CNN
F 1 "10K 1%" H 2991 1755 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3050 1800 50  0001 C CNN
F 3 "~" H 3050 1800 50  0001 C CNN
	1    3050 1800
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0109
U 1 1 5B1B1E5E
P 3050 2050
F 0 "#PWR0109" H 3050 1800 50  0001 C CNN
F 1 "GND" H 3055 1877 50  0000 C CNN
F 2 "" H 3050 2050 50  0001 C CNN
F 3 "" H 3050 2050 50  0001 C CNN
	1    3050 2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	3050 2050 3050 2000
Wire Wire Line
	3050 1200 3050 1150
Wire Wire Line
	3050 1150 800  1150
Connection ~ 800  1150
Wire Wire Line
	800  1150 800  1350
Wire Wire Line
	3050 1400 3050 1500
Connection ~ 3050 1500
Wire Wire Line
	3050 1500 3050 1650
$Comp
L Device:C_Small C8
U 1 1 5B148D1E
P 9450 2050
F 0 "C8" V 9221 2050 50  0000 C CNN
F 1 "0.1uF" V 9312 2050 50  0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 9450 2050 50  0001 C CNN
F 3 "~" H 9450 2050 50  0001 C CNN
	1    9450 2050
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0111
U 1 1 5B16F507
P 9450 3100
F 0 "#PWR0111" H 9450 2850 50  0001 C CNN
F 1 "GND" H 9455 2927 50  0000 C CNN
F 2 "" H 9450 3100 50  0001 C CNN
F 3 "" H 9450 3100 50  0001 C CNN
	1    9450 3100
	1    0    0    -1  
$EndComp
Wire Wire Line
	9450 3100 9450 3000
$Comp
L Device:L_Small L3
U 1 1 5AEA5C86
P 8200 1600
F 0 "L3" V 8385 1600 50  0000 C CNN
F 1 "JUMPER" V 8294 1600 50  0000 C CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm" H 8200 1600 50  0001 C CNN
F 3 "~" H 8200 1600 50  0001 C CNN
	1    8200 1600
	0    1    -1   0   
$EndComp
Text Label 6550 4850 0    50   ~ 0
set_current
$Comp
L Device:C_Small C7
U 1 1 5B31BE6A
P 7000 5500
F 0 "C7" V 6771 5500 50  0000 C CNN
F 1 "NC" V 6862 5500 50  0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 7000 5500 50  0001 C CNN
F 3 "~" H 7000 5500 50  0001 C CNN
	1    7000 5500
	0    1    1    0   
$EndComp
Wire Wire Line
	6900 5500 6850 5500
Wire Wire Line
	6850 5500 6850 4850
Connection ~ 6850 4850
Wire Wire Line
	6850 4850 6100 4850
Wire Wire Line
	7800 5500 7800 4750
Connection ~ 7800 4750
Wire Wire Line
	7800 4750 7600 4750
$Comp
L Amplifier_Operational:LMV324 U1
U 5 1 5B5F6C61
P 8600 2200
F 0 "U1" H 8550 2400 50  0000 L CNN
F 1 "LMV324" H 8550 2000 50  0000 L CNN
F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 8550 2300 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lmv324.pdf" H 8650 2400 50  0001 C CNN
	5    8600 2200
	1    0    0    -1  
$EndComp
$Comp
L Device:Jumper_NO_Small JP1
U 1 1 5B64C51D
P 7400 1350
F 0 "JP1" V 7446 1302 50  0000 R CNN
F 1 "BATT+" V 7355 1302 50  0000 R CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm" H 7400 1350 50  0001 C CNN
F 3 "~" H 7400 1350 50  0001 C CNN
	1    7400 1350
	0    -1   -1   0   
$EndComp
$Comp
L Device:Jumper_NO_Small JP2
U 1 1 5B64C5F7
P 7850 1350
F 0 "JP2" V 7804 1398 50  0000 L CNN
F 1 "2V8" V 7895 1398 50  0000 L CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm" H 7850 1350 50  0001 C CNN
F 3 "~" H 7850 1350 50  0001 C CNN
	1    7850 1350
	0    1    1    0   
$EndComp
$Comp
L power:+BATT #PWR0114
U 1 1 5B652CD8
P 7400 1150
F 0 "#PWR0114" H 7400 1000 50  0001 C CNN
F 1 "+BATT" H 7415 1323 50  0000 C CNN
F 2 "" H 7400 1150 50  0001 C CNN
F 3 "" H 7400 1150 50  0001 C CNN
	1    7400 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	8100 1600 7850 1600
Wire Wire Line
	7400 1600 7400 1450
Wire Wire Line
	7850 1450 7850 1600
Connection ~ 7850 1600
Wire Wire Line
	7850 1600 7400 1600
Wire Wire Line
	7850 1250 7850 1150
Wire Wire Line
	7400 1150 7400 1250
Wire Wire Line
	8500 1900 8500 1600
Wire Wire Line
	8500 2500 8500 3000
Wire Wire Line
	8500 3000 9450 3000
Connection ~ 9450 3000
Wire Wire Line
	9450 3000 9450 2150
Wire Wire Line
	9450 1600 9450 1950
Wire Wire Line
	9450 1600 8500 1600
Wire Wire Line
	8300 1600 8500 1600
Text Label 8500 1600 0    50   ~ 0
V_op
Wire Wire Line
	800  1650 800  2100
Wire Wire Line
	2000 2250 1750 2250
Wire Wire Line
	1750 2450 2000 2450
$Comp
L Device:R_Small R10
U 1 1 5B5D2C04
P 2200 2800
F 0 "R10" V 2396 2800 50  0000 C CNN
F 1 "75K 1%" V 2305 2800 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 2200 2800 50  0001 C CNN
F 3 "~" H 2200 2800 50  0001 C CNN
	1    2200 2800
	0    -1   -1   0   
$EndComp
Wire Wire Line
	2100 2800 1750 2800
$Comp
L Device:R_Small R8
U 1 1 5B5D2C0C
P 1750 3300
F 0 "R8" H 1691 3346 50  0000 R CNN
F 1 "10K 1%" H 1691 3255 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 1750 3300 50  0001 C CNN
F 3 "~" H 1750 3300 50  0001 C CNN
	1    1750 3300
	-1   0    0    -1  
$EndComp
Wire Wire Line
	2300 2800 2900 2800
Wire Wire Line
	2900 2800 2900 2350
Wire Wire Line
	2900 2350 2600 2350
$Comp
L Device:R_Small R3
U 1 1 5B5D2C48
P 1300 2100
F 0 "R3" V 1200 2150 50  0000 R CNN
F 1 "10K 1%" V 1400 2150 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 1300 2100 50  0001 C CNN
F 3 "~" H 1300 2100 50  0001 C CNN
	1    1300 2100
	0    -1   1    0   
$EndComp
$Comp
L Device:R_Small R7
U 1 1 5B5D2C4F
P 1750 1800
F 0 "R7" H 1691 1846 50  0000 R CNN
F 1 "180K 1%" H 1691 1755 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 1750 1800 50  0001 C CNN
F 3 "~" H 1750 1800 50  0001 C CNN
	1    1750 1800
	-1   0    0    -1  
$EndComp
Wire Wire Line
	1750 1900 1750 2100
Wire Wire Line
	1750 2100 1400 2100
Connection ~ 1750 2100
Wire Wire Line
	1750 2100 1750 2250
$Comp
L power:GND #PWR0116
U 1 1 5B5D2C5B
P 1750 3500
F 0 "#PWR0116" H 1750 3250 50  0001 C CNN
F 1 "GND" H 1755 3327 50  0000 C CNN
F 2 "" H 1750 3500 50  0001 C CNN
F 3 "" H 1750 3500 50  0001 C CNN
	1    1750 3500
	1    0    0    -1  
$EndComp
Wire Wire Line
	1750 3500 1750 3400
Wire Wire Line
	1750 3200 1750 3100
Connection ~ 1750 2800
Wire Wire Line
	1750 2450 1750 2800
$Comp
L Device:C_Small C2
U 1 1 5B5D2C65
P 2200 3100
F 0 "C2" V 1971 3100 50  0000 C CNN
F 1 "0.1uF" V 2062 3100 50  0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 2200 3100 50  0001 C CNN
F 3 "~" H 2200 3100 50  0001 C CNN
	1    2200 3100
	0    1    1    0   
$EndComp
Wire Wire Line
	2100 3100 1750 3100
Connection ~ 1750 3100
Wire Wire Line
	1750 3100 1750 2800
Wire Wire Line
	2300 3100 2900 3100
Wire Wire Line
	2900 3100 2900 2800
Connection ~ 2900 2800
Wire Wire Line
	1750 1700 1750 1500
Text Label 1750 1500 0    50   ~ 0
V_op
Wire Wire Line
	1200 2100 800  2100
Connection ~ 800  2100
Wire Wire Line
	800  2100 800  2350
Wire Wire Line
	2900 2350 3250 2350
Connection ~ 2900 2350
$Comp
L Connector_Generic:Conn_01x01 J4
U 1 1 5B606C28
P 3450 2350
F 0 "J4" H 3529 2392 50  0000 L CNN
F 1 "batt_current" H 3529 2301 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" H 3450 2350 50  0001 C CNN
F 3 "~" H 3450 2350 50  0001 C CNN
	1    3450 2350
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x01 J3
U 1 1 5B60F641
P 3450 1500
F 0 "J3" H 3530 1542 50  0000 L CNN
F 1 "batt_voltage" H 3530 1451 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" H 3450 1500 50  0001 C CNN
F 3 "~" H 3450 1500 50  0001 C CNN
	1    3450 1500
	1    0    0    -1  
$EndComp
Wire Wire Line
	3050 1500 3250 1500
$Comp
L Device:Jumper_NO_Small JP4
U 1 1 5B66BE2B
P 5700 4850
F 0 "JP4" H 5700 4943 50  0000 C CNN
F 1 "Jumper_NO_Small" H 5700 4944 50  0001 C CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm" H 5700 4850 50  0001 C CNN
F 3 "~" H 5700 4850 50  0001 C CNN
	1    5700 4850
	1    0    0    -1  
$EndComp
$Comp
L Device:L_Small L2
U 1 1 5B67AF8B
P 2250 4850
F 0 "L2" V 2435 4850 50  0000 C CNN
F 1 "100nF" V 2344 4850 50  0000 C CNN
F 2 "Inductor_SMD:L_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 2250 4850 50  0001 C CNN
F 3 "~" H 2250 4850 50  0001 C CNN
	1    2250 4850
	0    -1   -1   0   
$EndComp
$Comp
L Device:C_Small C5
U 1 1 5B67B4DC
P 2450 5000
F 0 "C5" H 2358 4954 50  0000 R CNN
F 1 "0.1uF" H 2358 5045 50  0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 2450 5000 50  0001 C CNN
F 3 "~" H 2450 5000 50  0001 C CNN
	1    2450 5000
	-1   0    0    1   
$EndComp
Wire Wire Line
	2350 4850 2450 4850
Wire Wire Line
	2450 4900 2450 4850
Connection ~ 2450 4850
Wire Wire Line
	2450 4850 3000 4850
Text Notes 1150 4500 0    50   ~ 0
DETERMINE LC values based on PWM freq
$Comp
L power:GND #PWR0118
U 1 1 5B707B77
P 2450 5450
F 0 "#PWR0118" H 2450 5200 50  0001 C CNN
F 1 "GND" H 2455 5277 50  0000 C CNN
F 2 "" H 2450 5450 50  0001 C CNN
F 3 "" H 2450 5450 50  0001 C CNN
	1    2450 5450
	1    0    0    -1  
$EndComp
Wire Wire Line
	7800 4750 7900 4750
Wire Wire Line
	6800 4650 7000 4650
$Comp
L Device:R_Small R21
U 1 1 5B71AFB6
P 7450 5500
F 0 "R21" V 7646 5500 50  0000 C CNN
F 1 "NC" V 7555 5500 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 7450 5500 50  0001 C CNN
F 3 "~" H 7450 5500 50  0001 C CNN
	1    7450 5500
	0    -1   -1   0   
$EndComp
Wire Wire Line
	7350 5500 7100 5500
Wire Wire Line
	7550 5500 7800 5500
$Comp
L Connector_Generic:Conn_01x01 J9
U 1 1 5B73346F
P 5400 4650
F 0 "J9" V 5500 4750 50  0000 R CNN
F 1 "MPPT" V 5500 4600 50  0000 R CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" H 5400 4650 50  0001 C CNN
F 3 "~" H 5400 4650 50  0001 C CNN
	1    5400 4650
	0    -1   -1   0   
$EndComp
$Comp
L Connector_Generic:Conn_01x01 J10
U 1 1 5B733A64
P 8600 4750
F 0 "J10" H 8700 4850 50  0000 R CNN
F 1 "CURRENT_SET" H 9200 4750 50  0000 R CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" H 8600 4750 50  0001 C CNN
F 3 "~" H 8600 4750 50  0001 C CNN
	1    8600 4750
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x01 J8
U 1 1 5B752E92
P 1200 4850
F 0 "J8" H 1200 4700 50  0000 C CNN
F 1 "PWM_MPPT" H 1200 5000 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" H 1200 4850 50  0001 C CNN
F 3 "~" H 1200 4850 50  0001 C CNN
	1    1200 4850
	-1   0    0    1   
$EndComp
Text Label 7600 4750 0    50   ~ 0
cur_output
Text Label 4450 4850 0    50   ~ 0
PWM_BUFFERED
Text Label 1900 4850 0    50   ~ 0
pwm
Wire Wire Line
	800  900  800  1150
Text Label 800  2100 0    50   ~ 0
BATT_CUR
Text Label 1750 2250 0    50   ~ 0
B+
Text Label 1750 2450 0    50   ~ 0
B-
Text Label 6050 4150 0    50   ~ 0
V_op
$Comp
L Device:R_Small R28
U 1 1 5B64848E
P 6000 1750
F 0 "R28" H 5941 1796 50  0000 R CNN
F 1 "10K 1%" H 5941 1705 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6000 1750 50  0001 C CNN
F 3 "~" H 6000 1750 50  0001 C CNN
	1    6000 1750
	-1   0    0    -1  
$EndComp
$Comp
L Device:R_Small R27
U 1 1 5B648566
P 5400 2100
F 0 "R27" H 5341 2146 50  0000 R CNN
F 1 "16K 1%" H 5341 2055 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 5400 2100 50  0001 C CNN
F 3 "~" H 5400 2100 50  0001 C CNN
	1    5400 2100
	-1   0    0    -1  
$EndComp
Wire Wire Line
	6000 1650 6000 1450
Wire Wire Line
	6000 1850 6000 1900
Wire Wire Line
	6000 1900 5850 1900
Wire Wire Line
	5400 1900 5400 1750
Wire Wire Line
	5400 1900 5400 2000
Connection ~ 5400 1900
Wire Wire Line
	5100 1450 4750 1450
Wire Wire Line
	4750 1450 4750 1350
Wire Wire Line
	4750 1450 4750 1600
Connection ~ 4750 1450
Wire Wire Line
	6000 1450 6400 1450
Wire Wire Line
	6400 1450 6400 1350
Wire Wire Line
	6400 1450 6400 1600
Connection ~ 6400 1450
$Comp
L power:GND #PWR0101
U 1 1 5B68BC0A
P 5400 2450
F 0 "#PWR0101" H 5400 2200 50  0001 C CNN
F 1 "GND" H 5405 2277 50  0000 C CNN
F 2 "" H 5400 2450 50  0001 C CNN
F 3 "" H 5400 2450 50  0001 C CNN
	1    5400 2450
	1    0    0    -1  
$EndComp
Wire Wire Line
	5400 2450 5400 2350
Wire Wire Line
	5400 2300 6400 2300
Wire Wire Line
	6400 2300 6400 1800
Connection ~ 5400 2300
Wire Wire Line
	5400 2300 5400 2200
Wire Wire Line
	5400 2350 4750 2350
Wire Wire Line
	4750 2350 4750 1800
Connection ~ 5400 2350
Wire Wire Line
	5400 2350 5400 2300
Wire Wire Line
	2450 5450 2450 5100
$Comp
L Device:C_Small C6
U 1 1 5B5B1381
P 3900 5600
F 0 "C6" V 3671 5600 50  0000 C CNN
F 1 "NC" V 3762 5600 50  0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3900 5600 50  0001 C CNN
F 3 "~" H 3900 5600 50  0001 C CNN
	1    3900 5600
	0    1    1    0   
$EndComp
Wire Wire Line
	3800 5600 3550 5600
Wire Wire Line
	3550 5600 3550 5250
Wire Wire Line
	4700 5600 4700 5250
$Comp
L Device:R_Small R29
U 1 1 5B5B138B
P 4350 5600
F 0 "R29" V 4546 5600 50  0000 C CNN
F 1 "NC" V 4455 5600 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 4350 5600 50  0001 C CNN
F 3 "~" H 4350 5600 50  0001 C CNN
	1    4350 5600
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4250 5600 4000 5600
Wire Wire Line
	4450 5600 4700 5600
Wire Wire Line
	3550 4950 3850 4950
$Comp
L Device:R_Small R22
U 1 1 5B5C3FED
P 3000 4500
F 0 "R22" H 2941 4546 50  0000 R CNN
F 1 "NC" H 2941 4455 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3000 4500 50  0001 C CNN
F 3 "~" H 3000 4500 50  0001 C CNN
	1    3000 4500
	-1   0    0    -1  
$EndComp
$Comp
L Device:R_Small R23
U 1 1 5B5CD690
P 3000 5250
F 0 "R23" H 2941 5296 50  0000 R CNN
F 1 "NC" H 2941 5205 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3000 5250 50  0001 C CNN
F 3 "~" H 3000 5250 50  0001 C CNN
	1    3000 5250
	-1   0    0    -1  
$EndComp
Text Label 3000 4300 0    50   ~ 0
V_op
Wire Wire Line
	3000 4300 3000 4400
Wire Wire Line
	3850 4750 3000 4750
Wire Wire Line
	3000 4750 3000 4600
Wire Wire Line
	3000 4750 3000 4850
Connection ~ 3000 4750
$Comp
L Device:R_Small R20
U 1 1 5B6355F6
P 1650 4850
F 0 "R20" V 1550 4900 50  0000 R CNN
F 1 "0R" V 1750 4900 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 1650 4850 50  0001 C CNN
F 3 "~" H 1650 4850 50  0001 C CNN
	1    1650 4850
	0    -1   1    0   
$EndComp
Wire Wire Line
	1750 4850 2150 4850
Wire Wire Line
	1550 4850 1400 4850
Connection ~ 3000 4850
Wire Wire Line
	3000 4850 3000 5150
$Comp
L Device:D_Schottky D3
U 1 1 5B65CDF3
P 5150 4850
F 0 "D3" H 5150 4634 50  0000 C CNN
F 1 "D_Schottky" H 5150 4725 50  0000 C CNN
F 2 "Diode_SMD:D_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 5150 4850 50  0001 C CNN
F 3 "~" H 5150 4850 50  0001 C CNN
	1    5150 4850
	-1   0    0    1   
$EndComp
Wire Wire Line
	5300 4850 5400 4850
Connection ~ 5400 4850
Wire Wire Line
	5000 4850 4700 4850
Connection ~ 4700 4850
$Comp
L power:GND #PWR0107
U 1 1 5B684CCA
P 3000 5450
F 0 "#PWR0107" H 3000 5200 50  0001 C CNN
F 1 "GND" H 3005 5277 50  0000 C CNN
F 2 "" H 3000 5450 50  0001 C CNN
F 3 "" H 3000 5450 50  0001 C CNN
	1    3000 5450
	1    0    0    -1  
$EndComp
Wire Wire Line
	3000 5450 3000 5350
Text Label 3250 4750 0    50   ~ 0
DEFAULT_PWM
$Comp
L Regulator_Linear:AP2127K-ADJ U?
U 1 1 5B6B9C2F
P 5400 1450
F 0 "U?" H 5400 1792 50  0000 C CNN
F 1 "AP2127K-ADJ" H 5400 1701 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 5400 1775 50  0001 C CNN
F 3 "https://www.diodes.com/assets/Datasheets/AP2127.pdf" H 5400 1550 50  0001 C CNN
	1    5400 1450
	1    0    0    -1  
$EndComp
Wire Wire Line
	5100 1350 4750 1350
Connection ~ 4750 1350
Wire Wire Line
	4750 1350 4750 1300
Wire Wire Line
	5700 1350 6000 1350
Connection ~ 6400 1350
Wire Wire Line
	6400 1350 6400 1250
Wire Wire Line
	6000 1350 6000 1450
Connection ~ 6000 1350
Wire Wire Line
	6000 1350 6400 1350
Connection ~ 6000 1450
Wire Wire Line
	5700 1450 5850 1450
Wire Wire Line
	5850 1450 5850 1900
Connection ~ 5850 1900
Wire Wire Line
	5850 1900 5400 1900
$Comp
L power:+2V5 #PWR?
U 1 1 5B6CE255
P 6400 1250
F 0 "#PWR?" H 6400 1100 50  0001 C CNN
F 1 "+2V5" H 6415 1423 50  0000 C CNN
F 2 "" H 6400 1250 50  0001 C CNN
F 3 "" H 6400 1250 50  0001 C CNN
	1    6400 1250
	1    0    0    -1  
$EndComp
$Comp
L power:+2V5 #PWR?
U 1 1 5B6CE381
P 7850 1150
F 0 "#PWR?" H 7850 1000 50  0001 C CNN
F 1 "+2V5" H 7865 1323 50  0000 C CNN
F 2 "" H 7850 1150 50  0001 C CNN
F 3 "" H 7850 1150 50  0001 C CNN
	1    7850 1150
	1    0    0    -1  
$EndComp
Text Notes 4200 950  0    50   ~ 0
MIGHT NEED DIFFERENT POWER LDO DEPENDING ON POWER SOURCE
Wire Wire Line
	4700 5250 3550 5250
Connection ~ 4700 5250
Wire Wire Line
	4700 5250 4700 4850
Connection ~ 3550 5250
Wire Wire Line
	3550 5250 3550 4950
Wire Wire Line
	6100 5300 6100 5550
Wire Wire Line
	5800 4850 6050 4850
$Comp
L Amplifier_Operational:LMV324 U1
U 1 1 5B6915AC
P 8600 2200
F 0 "U1" H 8600 2500 50  0000 C CNN
F 1 "LMV324" H 8700 2000 50  0000 C CNN
F 2 "" H 8550 2300 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lmv324.pdf" H 8650 2400 50  0001 C CNN
	1    8600 2200
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5B691B73
P 1250 2600
F 0 "C?" H 1158 2554 50  0000 R CNN
F 1 "0.1uF" H 1158 2645 50  0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 1250 2600 50  0001 C CNN
F 3 "~" H 1250 2600 50  0001 C CNN
	1    1250 2600
	-1   0    0    1   
$EndComp
Wire Wire Line
	1250 2500 1250 2350
Wire Wire Line
	1250 2350 800  2350
Connection ~ 800  2350
Wire Wire Line
	800  2350 800  2500
Wire Wire Line
	1250 2700 1250 2900
Wire Wire Line
	1250 2900 800  2900
Connection ~ 800  2900
Wire Wire Line
	800  2900 800  3050
$Comp
L Device:C_Small C?
U 1 1 5B69D622
P 3500 1800
F 0 "C?" H 3408 1754 50  0000 R CNN
F 1 "0.1uF" H 3408 1845 50  0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3500 1800 50  0001 C CNN
F 3 "~" H 3500 1800 50  0001 C CNN
	1    3500 1800
	-1   0    0    1   
$EndComp
Wire Wire Line
	3500 1700 3500 1650
Wire Wire Line
	3500 1650 3050 1650
Connection ~ 3050 1650
Wire Wire Line
	3050 1650 3050 1700
Wire Wire Line
	3500 1900 3500 2000
Wire Wire Line
	3500 2000 3050 2000
Connection ~ 3050 2000
Wire Wire Line
	3050 2000 3050 1900
Wire Wire Line
	4450 4850 4700 4850
Wire Wire Line
	8200 4750 8400 4750
$Comp
L Device:Jumper_NC_Small JP?
U 1 1 5B6D467B
P 8050 2100
F 0 "JP?" H 8050 2221 50  0000 C CNN
F 1 "Jumper_NC_Small" H 8050 2221 50  0001 C CNN
F 2 "" H 8050 2100 50  0001 C CNN
F 3 "~" H 8050 2100 50  0001 C CNN
	1    8050 2100
	1    0    0    -1  
$EndComp
$Comp
L Device:Jumper_NC_Small JP?
U 1 1 5B6D4900
P 8050 2300
F 0 "JP?" H 8050 2421 50  0000 C CNN
F 1 "Jumper_NC_Small" H 8050 2421 50  0001 C CNN
F 2 "" H 8050 2300 50  0001 C CNN
F 3 "~" H 8050 2300 50  0001 C CNN
	1    8050 2300
	1    0    0    -1  
$EndComp
Wire Wire Line
	8150 2100 8300 2100
Wire Wire Line
	8150 2300 8300 2300
$Comp
L Device:Jumper_NO_Small JP?
U 1 1 5B6DD908
P 9150 2200
F 0 "JP?" H 9150 2293 50  0000 C CNN
F 1 "Jumper_NO_Small" H 9150 2294 50  0001 C CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm" H 9150 2200 50  0001 C CNN
F 3 "~" H 9150 2200 50  0001 C CNN
	1    9150 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	9050 2200 8900 2200
$Comp
L power:GND #PWR?
U 1 1 5B6E236F
P 7850 2400
F 0 "#PWR?" H 7850 2150 50  0001 C CNN
F 1 "GND" H 7855 2227 50  0000 C CNN
F 2 "" H 7850 2400 50  0001 C CNN
F 3 "" H 7850 2400 50  0001 C CNN
	1    7850 2400
	1    0    0    -1  
$EndComp
Wire Wire Line
	7850 2400 7850 2300
Wire Wire Line
	7850 2100 7950 2100
Wire Wire Line
	7950 2300 7850 2300
Connection ~ 7850 2300
Wire Wire Line
	7850 2300 7850 2100
NoConn ~ 9250 2200
Connection ~ 8500 1600
$EndSCHEMATC