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Power Source Selector Module #Module
This project is focused on developing a versatile power source selection system capable of intelligently managing multiple power inputs including battery (VBAT), solar (VSOLAR), USB (VUSB), and VIN. The module is designed to ensure safe, efficient switching and regulation between these sources while integrating key protection features and diagnostic indicators. It lays the groundwork for further integration with broader systems, ensuring that power delivery is both reliable and adaptable to varying load conditions.
This project is focused on developing a versatile power source selection system capable of intelligently managing multiple power inputs including battery (VBAT), solar (VSOLAR), USB (VUSB), and VIN. The module is designed to ensure safe, efficient switching and regulation between these sources while integrating key protection features and diagnostic indicators. It lays the groundwork for further integration with broader systems, ensuring that power delivery is both reliable and adaptable to varying load conditions.
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VBAT
VSOLAR
Q1
VIN
R2
Resistance
2kΩ
VIN
R1
Resistance
1k5 Ω
VBAT
VSOLAR
D3
Color
Green
SWITCH OPERATION NOTE
Line 1
MOSFET disconnects SOLAR when both SOLAR and USB are connected.
Line 2
This is a depletion type MOSFET
U1
I_ch = (Vset / Rset) x 900 = 900 mA
D2
Color
Red
D1
C2
Capacitance
100nF
Reviews
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Power Source Selector Module
Power Source Selector Module #Module
Properties
Module
Pricing & Availability
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