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之前用的汽车级别的uc1843芯片，成本太贵，麻烦各位大大另外推荐一款汽车级的芯片。还有这两天我看了一款ucc28700-Q1的芯片，是否能用的上？上面有一个开启阈值17.5-23v，我如何设计才能在9-36v输入打开芯片，望各位大大解惑。
