For example, the Seagate IPxMxx series of dual H-bridge chips (IP1M10 through IP3M12) were very well thought out, but unfortunately, it appears that Seagate only made these when they used stepping motors for head positioning in Seagate disk drives.
不过如果,我说的不对的话,你可以试试看。
4线我觉得很奇怪,因为3相的电机很少见,不排除它的地线就是外壳,如果这样的话,就是2相 4级的了。