TUSB320IRWBR的ID管脚在手册中建议上拉电阻200K,但是由于与其连接的MCU使能了下拉电阻,导致本应该为高电平的时候高不上去,把上拉电阻降低为4.7kΩ满足电平要求。涉及此管脚输出低电平时内部MOS管的电流流通能力,所以烦请确认下此方案是否可行,谢谢。
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TUSB320IRWBR的ID管脚在手册中建议上拉电阻200K,但是由于与其连接的MCU使能了下拉电阻,导致本应该为高电平的时候高不上去,把上拉电阻降低为4.7kΩ满足电平要求。涉及此管脚输出低电平时内部MOS管的电流流通能力,所以烦请确认下此方案是否可行,谢谢。