http://e2e.ti.com/blogs_/b/motordrivecontrol/archive/2012/01/17/the-5-2v-stepper-motor-and-50v-stepper-driver-paradox.aspxI find it funny that a lot of stepper motors out there are still rated in voltage and that their voltage ratings are frequently low. This can cause confusion for some of our customers wanting to drive a 3V, 5.2V or 6V stepper motor with one of our 40Ven-US6.x Production