1. 03/11/03Nate Lamie Power Drivers

2. 03/11/03Nate Lamie Background Used to provide interface between low-level logic and power loads

3. 03/11/03Nate Lamie Typical Applications Drivers for high current loads such as relays, solenoids, stepping motors and LED or incandescent displays

4. 03/11/03Nate Lamie Types of Drivers Sinking –Output pin provides ground for the load Sourcing –Output pin provides a voltage source for the load

5. 03/11/03Nate Lamie Sinking and Sourcing

6. 03/11/03Nate Lamie Considerations for Selection Power and current ratings of the load Inverting, Non-inverting functions Diode clamp Number of outputs needed Number of inputs available –Serial or Parallel input?

7. 03/11/03Nate Lamie Serial Input

8. 03/11/03Nate Lamie Parallel Input

9. For More Information www.allegromicro.com www.micrel.com