Power sequencing, Figure 10-2 power sequencing – ADLINK aTCA-N700 User Manual

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aTCA-N700 HW Users Guide

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10.3. Power

Sequencing

As illustrated in Figure 10-2, the different power rails are required to power up in sequence. The

system CPLD along with the IPMC is responsible to generate the necessary signals. Monitoring of all
the power rails is done by the IPMC.

12V ON

3.3V ON

0.75V ON

P1.05V ON

1.2V ON

Within 5ms

POWER OK

after 500ms

2.5V ON

CN_1.1V + 1V ON

1.5V + AVS ON

Figure 10-2 Power Sequencing