I am using this load share controller and am looking to provide a status signal when the overall load exceeds a certain amount.
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I am using this load share controller and am looking to provide a status signal when the overall load exceeds a certain amount.
Thanks John,
I'm using a circuit configuration identical to figure 15 found in www.ti.com/.../slua147.pdf "APPLICATION NOTE U-129 UC3907 LOAD SHARE IC SIMPLIFIES PARALLEL POWER SUPPLY DESIGN". I am using two power sources (POE+) that each trip off at ~30W.
I was in the process of designing a circuit to sum the voltages tapped from Pin 9 of each UC3907 and am referencing the system ground (pin 2) to the non inverting op amp input. I figured the total voltages was proportional to the total power used by the system.
Is this what you are suggesting?
Is there an application circuit you would have me reference?