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Schematic

Layout

3D View

Schematic of Power Supply Tempate
C17
Capacitance
10uF
C24
Capacitance
10uF
C18
Capacitance
100nF
C19
Capacitance
68pF
C15
Capacitance
10uF
VSOLAR
C21
Capacitance
100nF
+3V3
C16
Capacitance
4u7 F
C23
Capacitance
100nF
GND
SOLAR POWER INTERFACE
R14
Resistance
6k8 Ω
R8
Resistance
15kΩ
R13
Resistance
68kΩ
U3
POWER CIRCUIT
Q1
R11
Resistance
1k5 Ω
Q1 Disconnects SOLAR input when both SOLAR and USB are connected. NOTE: This is a depletion type mosfet
U5
Iset = 6800 / Rset = 1A
R7
Resistance
2kΩ
I_ch = (Vset / Rset) * 900 = 900mA
L2
Inductance
2u2 H
D4
Color
Red
U4
D5
Color
Green
D2
Manufacturer Part Number
SS34

Power Supply Tempate

Power Supply Tempate thumbnail