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TAS6424E-Q1: TAS6424E-Q1 FAULT and WARN pin status during power ON

Part Number: TAS6424E-Q1
应用:汽车座舱,14V, 4 channel*4ohms
现象:在power on之后,发现如下现象
              (1)FAULT pin上电正常->中间被拉低(大概1.2s)->然后恢复正常高
              (2)WARN pin上电被拉低->拉高->拉低(0.2s)->恢复正常高
问题:上述现象是否正常,如何排查
channel1: Warning Pin
channel2:Fault Pin
channel3:OUT_2P Pin
channel4:STANDBY Pin