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请问BQ24072输出端是否需要先dcdc升压再降压到3.3v

Other Parts Discussed in Thread: BQ24072

系统需要供电3.3 1.8  1.2,目前是直接bq24072出来就用dcdc降压到了3.3 1.8 1.2。 但是锂电池工作时,当降低3.6v左右时就比较尴尬,必须要停机了,如果加入升压dcdc会好点?