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VBAT
VUSB
VSOLAR
+3V3
GND
U5
Q1
L2
Inductance
2u2 H
R14
Resistance
6k8 Ω
R8
Resistance
15kΩ
R13
Resistance
68kΩ
U3
R11
Resistance
1k5 Ω
D4
Color
Red
R7
Resistance
2kΩ
D2
D5
Color
Green
C17
Capacitance
10uF
SOLAR POWER INTERFACE
C24
Capacitance
10uF
C18
Capacitance
100nF
POWER CIRCUIT
Q1 Disconnects SOLAR input when both SOLAR and USB are connected. NOTE: This is a depletion type mosfet
C19
Capacitance
68pF
C15
Capacitance
10uF
Iset = 6800 / Rset = 1A
C21
Capacitance
100nF
C16
Capacitance
4u7 F
I_ch = (Vset / Rset) * 900 = 900mA
C23
Capacitance
100nF
U4

Power Supply Tempate MULTISYMBOL

Power Supply Tempate MULTISYMBOL thumbnail