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TPS43061从5V升压到48V

Other Parts Discussed in Thread: TPS43061

我现在用的TPS43061能不能从5V升压到48V,能的话为什么我们只能升压到22V是那个地方设计有问题。

  • Hi
    借助webench确认一下你的电路?
    如果只能升压到22V,首先确认输入电压是否有被拉低(建议输入电容适当放大一点), 其次确认功率电感设计饱和电流是否足够? 最后确认下电流保护是否合适或者提前动作(或者是因为noise影响)?