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MOSFET Driver
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4
Battery to 5V (SMPS)
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8
LOAD OUTPUT
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5
DC/DC Power Stage
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1
Solar Voltage
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2
Current Sense Amplifier
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6
Solar Panel
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3
Battery Voltage
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7
PWR_FLAG1
C41
Capacitance
2.2uF
PWR_FLAG11
C24
Capacitance
100nF
C21
Capacitance
22uF
C44
Capacitance
10nF
C36
Capacitance
100nF
C20
Capacitance
10uF
C37
Capacitance
10nF
C9
Capacitance
100nF
C49
Capacitance
10nF
C43
Capacitance
100nF
C19
Capacitance
100nF
C7
Capacitance
10nF
C11
Capacitance
1nF
C23
Capacitance
2.2uF
C29
Capacitance
220nF
C26
Capacitance
100nF
PWR_FLAG10
C14
Capacitance
1uF
C20
Capacitance
22uF
C58
Capacitance
100pF
R33
Resistance
2.2kΩ
R43
Resistance
100 Ω
R11
Resistance
470 Ω
R12
Resistance
100kΩ
R22
Resistance
100kΩ
R18
Resistance
470 Ω
+3.3V
R23
Resistance
100kΩ
R28
Resistance
100kΩ
R21
Resistance
470 Ω
+3.3V
R7
Resistance
2.2kΩ
R34
Resistance
2.2kΩ
+3V3
+3.3V
R35
Resistance
100kΩ
R19
Resistance
10kΩ
R29
Resistance
24.9kΩ
USART1_RX
USART1_RX
V_SOLAR_EN
LOAD_S
5V_PG
USB_PWR_EN
USART1_TX
I_LOAD
SWCLK
T_BAT
SPI1_MISO
USART1_TX
BUTTON
TEMP_INT_PD
SWDIO
LOAD_S
USB_DM
T_BAT
I_DCDC
USART2_RX
V_SOLAR
PWM_HS
USB_DP
BAT+
I2C1_SCL
USB_DM
5V_PG
BUTTON
TEMP_INT_PD
V_BAT
BOOT0
I_LOAD
USART2_TX
SWDIO
SPI1_MOSI
SPI1_SCK
LOAD_S
PWM_LS
USB_PWR_EN
SSEL
TEMP_EXT
DAC
LED_B
I2C1_SDA
LOAD_EN
LED_A
DCDC_OUT
LED_C
USB_DP
J6
C5
Capacitance
820uF
C2
Capacitance
150uF
J3
D7
L2
Inductance
2.2uH
L3
Inductance
10uH
+12V
+5V
+5V
VDDA
F2
J7
U9
Q6
Q5
RT1 - 10k NTC
U6
Manufacturer Part Number
INA2181A3QDGSRQ1
U4
IC6
J5
U3

MPPT Solar Charge Controller