看这个链接，有全部的SCH，bom和测试结果
www.ti.com/.../PMP30224
The PMP30224 reference design provides 5.0V at 1.0A continuous / 5.0A peak and 1.8V @ 0.075A for a TAS2555 Class D Amplifier. The input voltage range is between 5.0V and 38.0V.
没法使用外部，只有内部的两个参考源，参考下面，拿走不谢：
/*!
* @brief Specifies whether the internal reference of the ADC is sourced from the battery voltage or a fixed internal source.
*
* - In practice, using the internal fixed voltage reference sets the upper range of the…
各位参考下面代码，根据需要自己设置，拿走不谢：
/*!
* @brief Specifies whether the internal reference of the ADC is sourced from the battery voltage or a fixed internal source.
*
* - In practice, using the internal fixed voltage reference sets the upper range of the ADC…
Other Parts Discussed in Thread: DRV8353R 28335的永磁同步电机控制控制程序中的ILEG2DCBUSMEAS模块，用来输出ADC采集回来的电流值Id，Iq和DC BUS，头文件中有一段注释看不明白，这个gain值为什么这样算啊？
// Note: Assuming the base DC-bus voltage is 24 volt
// - ADC input for Vdc_bus range is 24*1/(24.9+1) = 0…
这个应该是写错了，你理解是正确的，与输入成反比，输出成正比
This one shot duration is set inversely proportional to the converter input voltage, VIN, and proportional to the output voltage, VO, to maintain a pseudo-fixed frequency over the input voltage range,
Other Parts Discussed in Thread: UCC29910A 请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。 https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1070965/universal-ac-input-pfc-design-with-78v-18a-outpu…
