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 NEW DRIVER25PS

Driver25PS is a new improved 2.5A Bipolar stepper motor drive board.

Specification

• Popular design using the Allegro 3977 chip
• PS (Power save input) is switchable and reduces hold current to approx 30% keeping chips, motors and power supplies cool. This function is optional and needs a compatible parallel interface to work.
• Unplugable none reversible motor connector
• Improved layout, with all connections on one side and provision for vertical mounting bracket.
• Two phase PWM operation.
• Uses Internal synchronous rectification to reduce board size and heat dissipation.
• Includes thermal shutdown, UVLO and crossover current protection.
• 1/8,1/4,1/2 or full step selectable.
• Dip switch adjustable stepper currents 1, 1.5, 2 & 2.5 amps
• Step, Direction, Enable and PS (Power save) line inputs.
• On board 5V regulator, single supply line (24V - 30V DC regulated supply recommended)
• Maximum 35V @ 2.5A per phase motor output.
• LED indicator display of step, direction, enable and power.
• Dip switch settings for step increment, enable, sleep & current.
• Board size 97 X 60 mm. FR4, immersion gold, 2oz copper, RoHS compliant.
• Loop through power connections.

Notes: Metal fixing bracket is for illustration purpose and is not included.
Controller I’C is surface mount and is supplied ready soldered to PCB in Kit.

The Driver25PS board is available ready built or in kit form

Kit Code DRV25PSK £18.00  Ready built Code DRV25PS £23.00

Special offer 2 X DRV25PS £44, 3 X DRV25PS £65 
Special offer 2 X DRV25PSK £34 3 X DRV25PSK £50

Fixing bracket blanks for vertical mounting ( need finishing)£0.50 each

ASk for Google invoice for required items

LED Displays of Step, Direction, Enable and Blue power

PLEASE ADD £2.50 POSTAGE COST TO ALL ORDERS
GOOGLE CHECKOUT PRICES INCLUDES POSTAGE & PACKING TO UK AND NORTHEN IRELAND