![Circuit design and power management in an Arduino project with stepper motors and solonoids - Electrical Engineering Stack Exchange Circuit design and power management in an Arduino project with stepper motors and solonoids - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/2Hz5p.jpg)
Circuit design and power management in an Arduino project with stepper motors and solonoids - Electrical Engineering Stack Exchange
![DRV8881: how to calculate power consumption of step motor and driver IC? - Motor drivers forum - Motor drivers - TI E2E support forums DRV8881: how to calculate power consumption of step motor and driver IC? - Motor drivers forum - Motor drivers - TI E2E support forums](https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/38/0880.motor.png)
DRV8881: how to calculate power consumption of step motor and driver IC? - Motor drivers forum - Motor drivers - TI E2E support forums
![Looking for a transformer to power this stepper motor/driver. How many Watts should it deliver? Does it matter if its regulated or unregulated? The stepper is 4.2A per coil (bi-polar) *Rated current/phase: 4.2A *Phase resistance: 0.9ohm *Inductance: 3.8mH ... Looking for a transformer to power this stepper motor/driver. How many Watts should it deliver? Does it matter if its regulated or unregulated? The stepper is 4.2A per coil (bi-polar) *Rated current/phase: 4.2A *Phase resistance: 0.9ohm *Inductance: 3.8mH ...](https://i.redd.it/dvd7lat823y91.jpg)
Looking for a transformer to power this stepper motor/driver. How many Watts should it deliver? Does it matter if its regulated or unregulated? The stepper is 4.2A per coil (bi-polar) *Rated current/phase: 4.2A *Phase resistance: 0.9ohm *Inductance: 3.8mH ...
![DRV8881: how to calculate power consumption of step motor and driver IC? - Motor drivers forum - Motor drivers - TI E2E support forums DRV8881: how to calculate power consumption of step motor and driver IC? - Motor drivers forum - Motor drivers - TI E2E support forums](https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/38/sch_2D00_drv.png)
DRV8881: how to calculate power consumption of step motor and driver IC? - Motor drivers forum - Motor drivers - TI E2E support forums
![power supply - Not enough amperes in a stepper motor control system - Electrical Engineering Stack Exchange power supply - Not enough amperes in a stepper motor control system - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/aqYnY.png)