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BQ24133电源管理模块问题

Other Parts Discussed in Thread: BQ24133

   请问, BQ24133电路设计给3节锂电池12.6V充电。采用数据手册典型应用电路,在不接锂电池时,测试数据如下表。

  电路图中VREF与CELL相连,其他与数据手册为两节锂电池充电的参考电路一致,但是将PGND和AGND连接在一起这样子有问题么?。

引脚

电压(V)

SW

0.38

PVCC

15.15

AVCC

14.4

ACN

15.15

ACP

15.15

CMSRC

15.07

ACDRV

20.4

STAT

2.27

TS

2.16

TTC

0.57

VREF

3.87

ISET

0.45

CELL

3.87

SRN

0.38

SRP

0.38

ACSET

0.34

OVPSET

1.27

BATDRV

15.15

REGN

0.03

BTST

0.32

PGND

0

AGND

0