Allegro MicroSystems APS11203 24V Hall-Effect Switches

Introduction

The Allegro MicroSystems APS11203 24V Hall-Effect Switches are advanced sensors designed for precision performance in various demanding environments. AEC-Q100 qualified and featuring chopper-stabilization technology, these switches are ideal for automotive and industrial applications, providing reliable contactless sensing of magnetic fields.

Part Description

The APS11203 Hall-Effect Switches operate within a voltage range of 2.7V to 26V and are available in both omnipolar and unipolar configurations. They feature high and low sensitivity magnetic switch point options, ensuring versatility in different applications. The open-drain output actuates in response to detected magnetic fields, while the device is designed for robustness with features like reverse-battery protection and overvoltage protection. With a temperature range of -40°C to +165°C, these switches are suitable for a variety of industrial and automotive environments.

Applications

• Automotive:

  • Power closures
  • Power steering
  • In-cabin motors
  • Wiper position sensing
  • Gear-shift selectors
  • Seat belt buckles
  • Brake switches
  • Headlight position detection
  • Hood latch positions
  • Throttle and valve positions
  • Mirror position sensing

• Industrial:

  • Motor encoders
  • Commutation/index sensing
  • Brushless DC (BLDC) motors
  • Fan motors
  • Smart meters
  • Home appliances
  • Position detection
  • e-Mobility applications
  • Robotics
  • Building automation

Industries

• Automotive
• Industrial Automation
• Consumer Electronics
• Robotics
• Home Appliances

Usage Ideas

1. Automotive Safety System: Implement the APS11203 in a seat belt buckle detection system to ensure that the vehicle's safety features are activated only when the seat belt is fastened.
2. Smart Home Automation: Use the Hall-Effect switch to detect the position of doors or windows in a smart home system, triggering alerts or actions when they are opened or closed.
3. Robotic Arm Positioning: Integrate the APS11203 in a robotic arm to provide feedback on the position of joints, enhancing precision in automated tasks.

Conclusion

The Allegro MicroSystems APS11203 24V Hall-Effect Switches are a robust and versatile solution for contactless magnetic field sensing in various applications. With their advanced features and wide operating temperature range, they are well-suited for both automotive and industrial environments, making them an excellent choice for engineers and designers looking to enhance system reliability and performance.