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bq76PL536a 过压保护功能不准确

Other Parts Discussed in Thread: BQ76PL536A, BQ76PL536

你好,我设置了bq76PL536a的过压门限值为4V(通过设置CONFIG_COV的值为40),但是每节电池的电压不到4v就让COV_FAULT 中相应警告位置1,以下是我用uart打印的调试信息。

The votalge of cell 1 is

3951

The votalge of cell 2 is

3961

The votalge of cell 3 is

3958

The votalge of cell 4 is

3959

The votalge of cell 5 is

3962

The votalge of cell 6 is

3952

COV_FAULT is

60

说明:

The votalge of cell 6 is

3952

说明CELL6的电压时3.952.  这是bq76PL536a的测量值。

求专家解答 ,谢谢!!!