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ADP1046A 100Watt
Evaluation board
CS1 OR INPUT CURRENT SETTING
The input current settings are accessed using the 'CS1 Settings' block. This block is used to program the fast and accurate
ADCs for pulse by pulse current limiting, leading edge blanking, and enabling the Volt-Second Balance correction to the
bottom MOSFETs of the full bridge converter and/or the synchronous rectifiers.
Some tests are provided to appreciate the flexibility of the part. In addition to these, some suggestions for further evaluation
are also provided.
A.
CS1 Accurate and Fast OCP: Figure 23 shows the CS1 accurate OCP flag and a re-enable after 1 second.
This test was conducted by setting the CS1 accurate OCP limit of 2.68A (drop down menu in the GUI) which is lower
than the current at minimum voltage. Then the input voltage was ramped down from 60V until the OCP limit was
triggered. Monitoring the PWM signal at test point OUTA clearly shows the shutdown of the PWM.
Figure 22 - CS1 Settings window
Rev. 1.3 | Page 16 of 55
PRD1386
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