Automotive Stepper Motor Driver with Programmable Motion Control and Integrated Current Sensing
AMT49700
The AMT49700 simplifies complex stepper motor control with its programmable motion profiles, integrated current sensing, and microstepping capabilities, reducing microprocessor overhead and external component count.
Product Details
Product Details
Top Features
• Peak motor current up to 1.6 A at 28 V.
• Low RDS(ON) outputs, 0.5 Ω source and sink typical
• Continuous operation at high ambient temperature
• 3.7 to 42 V supply operation
• Adaptive mixed current decay
• Synchronous rectification for low power dissipation
• Output slew control and PWM frequency spreading for
EMC noise reduction
• Internal overvoltage and undervoltage lockout
• Hot warning and overtemperature shutdown
• Short-circuit, open-load diagnostics
• Programmable motion control
• Configurable through serial interface
• Simple step and direction control option
Featured Applications:
• Automotive stepper motors
• Engine management
• Headlamp positioning
• HVAC flap and valve control
Target Application
- Exterior Lighting
- HVAC
- Throttle Position
