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Design Considerations for PCB in Green Energy Management Systems

This document outlines critical PCB design considerations for the Green Energy Management Systems (G.E.M.S) project. Key aspects include ensuring compact design for portability, accommodating a small LCD display, and strategically placing the microchip transceiver and current sensor. The layout emphasizes proximity of decoupling capacitors to ICs, incorporating voltage regulators to manage input voltage, and using tri-state buffers for communication pins. The power supply must address various voltage needs, include rectifiers for DC conversion, and incorporate protection measures against high current and voltage fluctuations.

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Design Considerations for PCB in Green Energy Management Systems

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  1. Green Energy Management Systems (G.E.M.S) Amey Rane Madhur Srivastava Tejas Pandit Varun Sivakumar

  2. PCB Design Considerations • 2 PCB boards • Power Adapter: Small, narrow to allow for portability. • Base Unit: Must be able to fit a small LCD display (10”) • Microchip Transceiver close to PCB edge. • Current Sensor must be close to PCB edge. • High Electromagnetic Interference from the power lines and most electric lines.

  3. Microcontroller Layout • Decoupling capacitors must be placed as close to the IC as possible. • Voltage regulators must be used to ensure that maximum input voltage of ATD is not exceeded. • The supply voltage to the microcontroller must be satisfied from the power line voltage. This requires the use of current rectifiers and regulators to supply DC voltage. • Tri-state buffers are required for the Tx/Rx pins

  4. Power Supply Voltage • The following voltage supplies are needed for different circuit components - +15,-15,+5,-5,+2.5V • The power supply needed by most of the components is DC thereby requiring the use of rectifiers and voltage regulators. • Requires circuit components which can tolerate high amounts of current(0-20A) and voltage fluctuations. • Requires fuses which can protect the rest of the circuit components from current surges.

  5. Questions

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