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请教一下TI工程师，要做一款AC176-264V输入，0-1.9V 50A的恒流源，什么芯片可以实现，有没有参考设计方案？谢谢！
建议使用LM5021，目前没有这方面的参考设计，0V启机可能会比较麻烦。0V的要求是绝对0V，还是0.几？
0V做不到
