基于dsp的PWM开关电源设计方案，介绍了基于DSP的PWM型开关电源的原理及设计方法，以DSP芯片TMS320LF2407产生SPWM为例阐述了开关电源中PWM波形的实现方法。-based dsp PWM switching power supply design, introduced a DSP-based PWM switching power supply design principle and the method DSP chip TMS320LF2407 SPWM have described as an example of the PWM switching power supply waveform Implementation.