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Motor Control

Motor Control. H-Bridge for Bi-direction. Relays. Relay “Poles” and “Throws”. 1. Relay H-Bridge. How to make an H-Bridge with ONE relay?. Transistors. 2. Transistor H-Bridge. 3. H-Bridge ICs. L293 Function Table. Motor Driver Design Considerations. Noise In-rush Current Over-heating

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Motor Control

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Presentation Transcript

  1. Motor Control

  2. H-Bridge for Bi-direction

  3. Relays

  4. Relay “Poles” and “Throws”

  5. 1. Relay H-Bridge

  6. How to make an H-Bridge with ONE relay?

  7. Transistors

  8. 2. Transistor H-Bridge

  9. 3. H-Bridge ICs

  10. L293 Function Table

  11. Motor DriverDesign Considerations • Noise • In-rush Current • Over-heating • Power Source (Single / Dual Supply)

  12. Noise Protection Techniques Coupling Capacitor Clamp Diodes

  13. Noise Protection Techniques (cont) Opto-Isolator 5V

  14. In-rush Current

  15. In-rush Current (cont) Resistor Current Limiter

  16. Over Heating Heat Sink

  17. Dual Power Supply

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