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关于使用ucc28950芯片的移向全桥整流电路输出电流不连续问题

Other Parts Discussed in Thread: UCC28950

采用ucc28950移向全桥整流电路做充电机,输出桥式整流后给电池充电,电流闭环控制。。。现在设置电流稳定到1A,电压跟随电池电压。当输出电流达到1A时,PWM就无驱动输出,电流下降接近0时,PWM继续工作在最小占空比下。。。。看手册好像是猝发模式??? 请问,应该如何解决,使电流波动不那么大,最好持续稳定。