Stepper Motor Controllers & Indexers

Stepper Motor Controllers are current amplifiers that turn a low-current control signal into a higher-current signal to drive stepper motors. They run using a type of open-loop system that takes digital step and direction inputs by a programmable pulse generator known as an indexer. In other words, Indexers take a signal from a computer or any other control device and turn them into pulses. Drivers or Stepper Motor Controls take these pulses and transfer them into a current (motion, steps, torque, speed) so the stepper motor can move accordingly. A user is able to operate and control steps using an interface.



Types of stepper drivers



There are many types of stepper drivers, including PWM/chopper drivers, L/R drivers and recirculating chopper drivers. The two most common are bipolar and unipolar drivers.
Bipolar drives have a single winding with two leads per phase. The winding has a current that needs to be reversed so that magnetic poles can also be reversed in the correct order.
Unipolar drivers have one winding with a centre tap per phase. This means that the magnetic pole can be reversed without switching the direction of a current, so a single transistor can be used per each individual winding.


What are stepper drivers used for?



Stepper drivers typical applications are current amplifiers in stepper motors. However, they can also be used for any device that operates at more than 50–100 mA.


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Description Price For Motor Type Current Rating Voltage Rating Board Supply Voltage Motor Supply Voltage Overall Length Overall Width Overall Depth
RS庫存編號 905-8780
BrandRS PRO
HK$1,016.60
單位
Bipolar 4.4 A 48 V 24 → 48V - 92mm 85mm 23mm
RS庫存編號 905-8786
BrandRS PRO
HK$739.11
單位
Bipolar 2.2 A 48 V 24 → 48V - 78mm 68mm 21mm
RS庫存編號 793-4127
製造零件編號G201X
BrandGeckodrive
HK$1,335.02
單位
Stepper Motor 7 A 80 V dc 18 → 80V dc - 2.5in 0.83in 2.58in
RS庫存編號 240-7920
製造零件編號GSM 2
HK$538.80
單位
Unipolar 2 A - - 9 → 40V dc 61mm 46mm 15mm
RS庫存編號 877-7225
製造零件編號ST5-Q-NN
HK$3,717.04
單位
Bipolar 0.1 → 5 A 24 → 48 V dc - - 127mm 76.2mm 44.5mm
RS庫存編號 829-3553
製造零件編號BS1D200P10
HK$1,611.49
單位
Bipolar 2 A 36 V dc - - - - -
RS庫存編號 896-8557
製造零件編號G250 Heatsink + Screws
BrandGeckodrive
HK$55.59
單位
- - - - - - - -
RS庫存編號 443-0102
製造零件編號53107
HK$266.48
單位
Unipolar 350 mA - 10 → 24V dc - 55mm 40mm -
RS庫存編號 455-851
製造零件編號ST10-S
HK$3,803.22
單位
Bipolar 10 A - 24 → 80V dc - 3.65in 3in 1.25in
RS庫存編號 793-4130
製造零件編號G901X
BrandGeckodrive
HK$284.29
單位
Stepper Motor - - - - 0.835in 0.850in -
RS庫存編號 793-4133
製造零件編號GM215
BrandGeckodrive
HK$2,557.76
單位
NEMA 17 to 42 Size 7 A - 18 → 80V dc 18 → 80V dc 2.5in 2.5in 0.85in
RS庫存編號 793-4121
製造零件編號G203V
BrandGeckodrive
HK$2,030.00
單位
Stepper Motor 7 A 80 V dc 18 → 80V dc - 2.5in 0.83in 2.58in
RS庫存編號 921-1353
製造零件編號MCST 3601
BrandFaulhaber
HK$4,807.36
單位
Stepper Motor 100 mA 24 V dc 9 → 36V dc - 68mm 47.5mm 13mm
RS庫存編號 455-863
製造零件編號ST10-SI
HK$5,509.12
單位
Bipolar 10 A - 24 → 80V dc - 5in 3in 1.75in
RS庫存編號 896-8566
製造零件編號G540
BrandGeckodrive
HK$4,727.44
單位
Stepper Motor 3.5 A 50 V dc 18 → 50V dc 50V dc 161.8mm 60.2mm 31.75mm
RS庫存編號 829-3556
製造零件編號US1D200P10
HK$1,254.76
單位
Unipolar 3 A 36 V dc - - - - -
RS庫存編號 877-7228
製造零件編號ST10-Q-NN
HK$3,707.87
單位
Bipolar 0.1 → 10 A 24 → 80 V dc - - 127mm 76.2mm 44.5mm
RS庫存編號 441-0265
製造零件編號MSE570 EVO 2
HK$1,630.29
單位
Bipolar 3.5 A - 15 → 48V dc - 160mm 100mm 35.5mm
RS庫存編號 877-7216
製造零件編號STR-2M
HK$1,494.97
單位
Bipolar 0.3 → 2.2 A 12 → 48 V dc - - 92.6mm 56mm 20.8mm
RS庫存編號 455-845
製造零件編號ST5-SI
HK$4,949.05
單位
Bipolar 5 A - 24 → 48V dc - 5in 3in 1.75in