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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
PWR_FLAG11
PWR_FLAG10
R33
Resistance
2.2kΩ
R43
Resistance
100 Ω
R11
Resistance
470 Ω
R12
Resistance
100kΩ
C41
Capacitance
2.2uF
C24
Capacitance
100nF
R22
Resistance
100kΩ
C21
Capacitance
22uF
C44
Capacitance
10nF
C36
Capacitance
100nF
R18
Resistance
470 Ω
C20
Capacitance
10uF
C37
Capacitance
10nF
C9
Capacitance
100nF
C49
Capacitance
10nF
C43
Capacitance
100nF
R23
Resistance
100kΩ
C19
Capacitance
100nF
C7
Capacitance
10nF
R28
Resistance
100kΩ
R21
Resistance
470 Ω
C11
Capacitance
1nF
R7
Resistance
2.2kΩ
R34
Resistance
2.2kΩ
C23
Capacitance
2.2uF
C29
Capacitance
220nF
R35
Resistance
100kΩ
C26
Capacitance
100nF
R19
Resistance
10kΩ
C14
Capacitance
1uF
C20
Capacitance
22uF
R29
Resistance
24.9kΩ
C58
Capacitance
100pF
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
+3.3V
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
+3.3V
SSEL
TEMP_EXT
DAC
+3V3
LED_B
I2C1_SDA
LOAD_EN
LED_A
+3.3V
DCDC_OUT
LED_C
USB_DP
C5
Capacitance
820uF
D7
C2
Capacitance
150uF
+12V
+5V
+5V
J3
VDDA
U6
Manufacturer Part Number
INA2181A3QDGSRQ1
L2
Inductance
2.2uH
L3
Inductance
10uH
U4
Q6
Q5
RT1 - 10k NTC
U3
F2
U9
IC6
J7
J5
J6
MPPT Solar Charge Controller