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问题如题，请问用哪个型号的芯片能够达到要求？用自带的设计工具根本不行。
Hi
可以参照TPS40210的方案来搭一个chargepump的升压转换：
具体见方案： http://www.ti.com.cn/tool/cn/pmp8621
采用较低的输入电压，需要再增加2级chargepump.
