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TSS721A内部桥堆和VB引脚输出功率问题!

Other Parts Discussed in Thread: TSS721A

TSS721A 如果在BUSL1/BUSL2引脚上不加限流电阻,直接挂接MBUS总线上(总线电压40V),会不会因为上电电流冲击导致721芯片损坏?这种接法久期可靠性怎么样??VB引脚作为电源使用时(或加负载),可以持续输出多大电流??这样做会影响VDD引脚供电波动或者不稳定吗?甚至引起VDD输出短时跌落吗?

重庆智能水表集团技术研发部,,,陈工 ,15826005764