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AM305222R1DBGEVB:  Daughter Board SPI Stepper Driver NQFP Evaluation Board

The AM305222R1DBGEVB is a form factor daughter board for driving bipolar stepper motors. The daughter board can be interfaced via I/O pins and the SPI bus to an external microcontroller. In conjunction with the evaluation kit AMIS305XXGEVK it forms a complete solution turning high level commands from a CAN node in well defined motions. The design incorporates the lowest bill of materials, small board size and perfect matched thermal resistance allowing to drive 800 mA at elevated ambient temperature or even 1.6A under certain conditions.

Note: This board must be used with the AMIS305XXGEVK Industrial Stepper Motor Driver Kit.
Features and Applications


  • Low bill of materials
  • Small form factor (40mm x 32mm (20mm x 15mm active area))
  • Plug and Play in combination with AMIS305XXGEVK
  • Microstepping (full step, ½(compensated and uncompensated), 1/4, 1/8, 1/16, 1/32)
  • Nominal current of 800mA (1.6A under certain conditions)
  • Fully integrated current sensing
  • 6V-30V supply voltage
  • On chip 5V/50mA regulato
  • (Watchdog) reset output
  • Compatible with 5V and 3.3V microcontrollers
  • Next step and motion direction input
  • Speed and load-angle output
  • Diagnostics information
  • Thermal warning and thermal shutdown
  • Programmable PWM frequency and slope control


  • Flap control in HVAC systems
  • Headlamp Positioning systems
  • Pan tilt zoom function in Surveillance Camera
  • Mechatronic modules
  • X-Y-Z tables
  • Printers
  • Industrial robots
  • Pick-and-place machines
  • Dose pumps
  • Event lighting
  • Textile machines
Evaluation/Development Tool Information
Product Status Compliance Short Description Parts Used Action
AM305222R1DBGEVB Consult Sales Office
Daughter Board SPI Stepper Driver NQFP Evaluation Board AMIS30522C5222RG
Technical Documents
Type Document Title Document ID/Size Rev
Eval Board: BOM AM305222R1DBGEVB Bill of Materials ROHS Compliant AM305222R1DBGEVB_BOM_ROHS.PDF - 82 KB  1 
Eval Board: Gerber AM305222R1DBGEVB Gerber Layout Files (Zip Format) AM305222R1DBGEVB_GERBER.ZIP - 64.0 KB  1 
Eval Board: Schematic AM305222R1DBGEVB Schematic AM305222R1DBGEVB_SCHEMATIC.PDF - 170.0 KB  0 
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