The TLE6284G is a monolithic integrated circuit designed for controlling automotive stepper motors. It's primarily used for applications such as headlight beam adjustment, idle speed control, and other precision positioning systems.
Applications
- Headlight beam adjustment: Precisely controls the vertical and horizontal position of headlight beams.
- Idle speed control: Regulates engine idle speed for optimized performance and fuel efficiency.
- HVAC flap control: Controls the position of air conditioning flaps for precise temperature regulation.
- Throttle control: Drives stepper motors for electronic throttle control systems.
- Valve control: Positioning of various valves in automotive and industrial applications.
Features
- Dual full-bridge driver: Allows for bidirectional control of two stepper motor windings.
- Low RDS(on): Minimizes power dissipation and improves efficiency.
- Overcurrent protection: Protects the device and the stepper motor from damage due to excessive current.
- Overtemperature protection: Prevents the device from overheating and ensures reliable operation.
- Undervoltage lockout: Prevents operation when the supply voltage is too low.
- Short-circuit protection: Protects the device from damage due to short circuits.
- Micro-step capability: Enables precise positioning and smooth motor operation.
- Diagnostic feedback: Provides feedback on fault conditions.
Benefits
- Precise motor control: Enables accurate and reliable positioning of stepper motors.
- Increased system reliability: Protection features prevent damage to the device and the motor.
- Improved efficiency: Low RDS(on) minimizes power dissipation.
- Reduced system cost: Integrated features reduce the need for external components.
- Simplified system design: Comprehensive protection features simplify the design process.
Additional Details
The TLE6284G operates from a wide supply voltage range, typically from 4.5V to 40V. It includes a variety of protection features such as overcurrent, overtemperature, undervoltage, and short-circuit protection. The device is available in a PG-DSO-20 package.
