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关于CSD85377Q4M同步降压,做成升压的问题



手上有一块CSD95377EVM 测试了一下降压没什么问题,根据提供板子的人介绍说反过来接(升压的时候输出变输入)也可以实现升压,刚好有个项目做50W的buck-boost方案(输入3.3-4.2V,输出1V-7.5V),想用这个芯片来做,测试了一下升压不行,可调节的范围小。求各位大咖解惑。