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BQ40Z50-R1: 系统接入检测脚的作用。

Part Number: BQ40Z50-R1
Other Parts Discussed in Thread: BQ40Z50

我看到BQ40Z50芯片有个PRES脚,是系统接入脚。当BQ40Z50芯片检测到这个脚持续被拉到地时,芯片会有什么动作?如果此脚不拉低,芯片会怎么样?

1、在系统端,我将这个脚接到地,当电池放入系统时,PRES脚被持续拉到地,此时芯片是不是会持续放电?

2、如果电池没有放入系统,这个脚处于悬空状态,此时芯片是不是充放电MOS关闭?

3、此脚是否有休眠唤醒功能?

  • 您好

    1,PRES接到地不会持续放电。

    2,这是根据您的参数设置有关。

    The recovery condition for removable pack ([NR] = 0) is based on the transition on the PRES pin, while the recovery condition for embedded pack ([NR] = 1) is based on the Reset time.

    3,没有休眠唤醒功能。