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用BOOSTXL板子运行额定30Ncm的电机,只能达到10%就上不去了,有波形图和配置图,帮忙参考下

Other Parts Discussed in Thread: DRV8301, OPA2374

电机最高转速3W转,单对极,扭矩30Ncm,PI控制器参数自动生成的,没动过,现在问题是扭矩完全没有达到额定的,差蛮多的,测试转速是1000转,转速越低扭矩越小。

配置如

电压波形

AB电流波形(DRV8301内置运放)

C电流波形(opa2374运放)

以上波形大约是带载2Ncm,转速1000rpm情况下的。请TI的各位老师和热心网友帮忙分析下,问题出在哪里,谢谢。