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Step Motor Driver

 
Data Sheet in PDF

Related Products

Rotary Step Motors
Linear Step Motors
Linear and Rotary Actuator
Power Supplies
Features 
  • 0.3 To 7 Amps Phase Current

  • +24 VDC to +80 VDC Power Supply

  • 10 Micro-steps per Step

  • Size 8 to 42 Motors

  • Mid-Band Resonance Compensation

  • Low-Speed Resonance Nulling Trimpot

  • Auto Current Reduction

  • 200 KHz Max Step Rate

  • Opto-isolated Step And Direction Inputs

  • 20W Dissipation at 7A per Phase

  • 20KHz Master Oscillator PWM

  • 0C To 70C Operating Temperature

  • LED Power Indicator

  • Small Size: 2.5" (63 mm) X 2.5" (63 mm) X (21 mm)

  • Light: 3.6 Oz (100 gm)

  • Anodized Aluminum Package

  • Modular 2-Piece Main Connector

 

Features Cnt'd
  • Crystal Controlled Clock

  • Short Circuit and Over Temperature Protection

  • Automatic Current Reduction, 0.5 Sec After Last Step Input

  • 14 Selectable Resolutions Both in Decimal and Binary

  • Micro-step Resolutions: 1/2, 1/4, 1/5, 1/8, 1/10, 1/16, 1/25, 1/32, 1/50,1/64, 1/125, 1/128, 1/250, 1/256

  • Extremely Small Size, 2.75" (69.9 mm) X 3.00" (76.2 mm) X 1.20" (30.5 mm)

 

The STPMDRV-404 is a high performance, low cost micro-stepping driver that incorporates advanced surface mount and ASIC technology. The STPMDRV-404 is small, easy to interface and use, yet powerful enough to handle the most demanding applications.

The STPMDRV-404 has 14 different resolutions (both in binary and decimal) built into the driver. The development of proprietary circuits has minimized ripple current while maintaining a 25 KHz chopping rate. This prevents additional motor heating that is common with drivers requiring higher chopping rates

The low inductance step motors can be used to improve high speed performance and system efficiency.

ELECTRICAL SPECIFICATIONS

Supply Voltage

+12 to +40 VDC

Phase Current

0.1 to 4.0 Amps 

Auto Current Reduction

Resistor Programmable, 0.5 Seconds After Last Step Pulse

Step Frequency

0 to 5 MHz
MECHANICAL SPECIFICATIONS
Dimensions 2.75" (69.9 mm) X 3.00" (76.2 mm) X 1.20" (30.5 mm)
Mounting Pattern Four 6-32 screws, 1.75” X 2.375” (44.5 mm, 60 mm)

ENVIRONMENT

Heat Sink Temperature  0 oC to 70 oC

Ambient Temperature

0 oC to 50 oC

Storage Temperature

-40 oC to 125 oC

Humidity

0 - 95% with no condensation

Ordering Information

Part No. Description Amount
STPMDRV-404 Step Motor Driver Inquire

 


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