AN 491: Power Sequence Auto Start Using Altera MAX Series

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ID 683346
Date 9/22/2014
Public
Document Table of Contents
Document Table of Contents x
1. Power Sequence Auto Start Using Altera MAX Series
1. Power Sequence Auto Start Using Altera MAX Series x
1.1. Power Saving 1.2. Auto Start 1.3. Auto Start Using MAX II Devices 1.4. Acknowledgments 1.5. Document Revision History
1.2. Auto Start x
1.2.1. Power Cycle 1.2.2. External Circuits
1.3. Auto Start Using MAX II Devices x
1.3.1. Auto Start Design Demonstration on MDN-B2 Board
1. Power Sequence Auto Start Using Altera MAX Series

1.2.1. Power Cycle

Figure 3. Power Cycle Waveform

Each cycle consists of a ‘Power On’ and a ‘Power Down’ period. In the ‘Power Down’ period the MAX II devices regularly switches on for a very small period of time ‘t’, increments the counter, and switches off. When the desired count is reached, the MAX II devices enter into the Power On period and reinitializes the value of the counter. It then performs the desired functions. At the end of the ‘Power On’ period, the capacitors contain the reinitialized value. When the MAX II devices are powered on again, it increments the counter and shuts down after the period ‘t’, and the count is restarted.

Level Two Title