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TCA9517-Q1: TCA9517DGKRQ1

Part Number: TCA9517-Q1

有如下问题还请帮忙解答。

1.IIC A,IIC B是否有一端有上拉电阻即可,另外一端是否还需要接上拉。

2.两端电压一致,只是想增加驱动能力,可以多挂一些设备,这么用是否OK.

3.这颗IC 从实际应用角度来说,建议最大挂多少外部设备。