Power net portal is a special schematic object used to define a power or ground net. Power ports allow you to conveniently indicate a power net at any location in the design. Power nets of the same designator automatically connect throughout your design #portal #power
A generic fixed inductor for rapid developing circuit topology. *You can now change the footprint and 3D model at the top level anytime you want. This is the power of #generics
This circuit is a high-side DC current sensor using the INA219 chip, which allows for monitoring voltage and current over an I2C interface. Here's what each part of the circuit does:
INA219 IC: This is the main component, designed to measure the bus voltage and current flowing through the load. It provides high-side current sensing, which means it connects on the supply-side of the load. It communicates the measurements over I2C.
Resistors R1, R2, R3, R4: These are generic resistors, each with a resistance of 1k ohms. They may be used for pull-up or configuration settings.
R5: This is the current-sense resistor with a resistance of 0.1 ohm. It is used to measure the current by detecting the voltage drop across it.
Capacitor C1: This 0.1µF capacitor is typically used for decoupling, providing stability by filtering out noise on the power supply lines.
Jumpers JP1, JP2: These are likely used to configure settings such as address selection for the I2C interface or operational modes.
Power and Ground Pins (VCC, GND): Provide power to the circuit and a common ground reference.
Signal Pins (SCL, SDA): Used for the I2C communication interface.
The INA219 chip is ideal for applications where you need to measure current through and voltage across a sensor or load in real-time, and it enables efficient monitoring in projects like battery management systems or embedded systems.
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Passive Components
Resistor Power Rating
Beta
Checks that the power traveling across a given resistor is under its rating with 50% headroom.