The front end uses the power brick to output 12V. We use ucc29002 to make the current sharing of two 8A power supplies. Figure 1 is the internal schematic diagram of the module output + s. The phenomenon is that after the current reaches a certain level (4a), one of the modules will become full load, the other is no-load, and the current sharing can not be realized. In the experiment, resistance is added between + s and VO + outside the module, 100 ohm and 200 ohm are used. Please help to analyze the cause of failure?
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