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