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Welcome to Flux

Treat Flux like your intern. Tell it what you'd like to build and it'll get to work. You can also ask it questions, brainstorm ideas, and teach it your preferences. Learn More

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

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    Power Supply Tempate 9DeM

    Power Supply Tempate 9DeM thumbnail
    This Power Supply Template project takes input from USB, Battery and Solar and then charges the battery and and has a 3.3V ouput
    #template #power #solar

    Properties

    Power Management

    Parametric

    Module

    Pricing & Availability

    Distributor

    Qty 1

    Arrow

    $0.53–$0.97

    Digi-Key

    $0.56–$1.42

    LCSC

    $0.91–$1.49

    Mouser

    $2.39–$2.60

    Verical

    $0.55–$1.01

    Controls