现象:AO+ 悬空 xtr117 特别热 ,AO+跳线接地 就正常
问题 : 为什么悬空发热 ?
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是因为V+的电源DCDC_24的地与3脚IRET的地 共地的原因吗?
Iret是local的地,除了芯片发烫 ,能正常工作吗?