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BQ4050EVM-561: 关于bq4050 sleep模式时,DSG FET关闭的疑问?

Part Number: BQ4050EVM-561
Other Parts Discussed in Thread: BQ4050

在4050 TRM文档的13.1.9节看到(如附件的图所示),发MCA命令0x0011进入sleep模式时,为什么会将DSG FET关闭呢?

想bq4050进入sleep模式,同时保证DSG FET打开,负载需要一直供电,应该怎么设置呢?