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BQ34110shiyong

Other Parts Discussed in Thread: BQ34Z110

TI技术支持:

在小批量产BQ34Z110电量计时发现一些问题,希望知道这是为什么?

1、在导入*.SENC文件后,再开机,STATUS正确的状态字应为0X0015,敲入命令0X0021后,应为0X0013。这是电量计处于松弛状态。待加上负载后,STATUS状态字应变为0X0003处于跟踪状态。但新的样机开机后STATUS状态字为0X0005,敲入0X0021命令后,变为0X0003。加上负载后还是0X0003。

2、在电量计新样机未加负载前AI平均电流为负值-0X0032,可是正确的应为0X0000。

3、请问电流校准时电流的校准值应该是多少安培。我们的实际情况是在2A时校准后,负载电流为5A时,误差大约为10%。正确作法是怎样的。

希望得到尽快答复。谢谢!

                                                                                                                                                           北京智华远大

                                                                                                                                                           2014。8。26