Detailed Product Description

Q2HB44
Introduction
Full/Half driver supplies regulated phase current for supply voltage from 12 to 40vdc. It is designed for use with the 2-phse hybrid stepper of all kinds with 42-86 mm outside diameter,6,8 lead & 4Arms current max.
Features
       High reliability,Low price
       Highest response frequency up to 200Kpps
       Current of winding will be reduced by 50%
when no step pulse command is received for 0.1 second.
       Bipolar constant current chopping mode
       Optically isolated signal I/O
       Driving current is continually adjustable from 0.5A/phase to 4A/phase.
       Single power supply from 12v to 40vdc.

?Q2HB44MA(B)
Introduction
Constant angle,constant torque microstep driver supplies regulated phase current for supply voltage from 12 to 40vdc. It is designed for use with the 2-phse hybrid stepper of all kinds with 42-86 mm outside diameter,6,8 lead & 4Arms current max. The driver adopts a unique control circuity, the benefits include: reduce motors noise, make motor run more smoothly, i9mprove motors performance by 30% at high speed , reduce drivers heating by 50%.
Features
       High reliability,Low price
       12/8 channels constant angle & constant torque microstep, highest microstep up to 200.
       A unique control circuity is adopted.
       Highest response frequency up to 200Kpps
       Current of winding will be reduced by 50% when no step pulse command is received for 0.1 second.
       Bipolar constant current chopping mode
       Optically isolated signal I/O
       Driving current is continually adjustable from 0.5A/phase to 4A/phase.
       Single power supply from 12v to 40vdc.

Q2HB88
Introduction
Full/Half driver supplies regulated phase current for supply voltage from 18 to 80vdc. It is designed for use with the 2-phse hybrid stepper of all kinds with 86-110 mm outside diameter,4 lead & 8Arms current max.
Features
       High reliability,Low price
       Highest response frequency up to 200Kpps
       Current of winding will be reduced to set value when no step pulse command is received for 0.1 second.
       Bipolar constant current chopping mode
       Optically isolated signal I/O
       Driving current is continually adjustable from 0.5A/phase to 8A/phase.
         Single power supply from 18v to 80vdc.
         Run at double 4 steps or four phase 8 steps
         Over-voltage protection,overheat protection & over-current protection