ROHM Semiconductor LM2903EZ Automotive Ground Sense Comparator

Introduction

The ROHM Semiconductor LM2903EZ is a high-performance automotive ground sense comparator designed to operate efficiently from nearly the ground level for input signals. Its AEC-Q100 qualification ensures reliability in automotive applications, making it a preferred choice for various critical systems.

Part Description

The LM2903EZ is a high-gain comparator that supports both single and dual power supply operations. It boasts a low supply current of 0.6mA, a minimal input offset current of 5nA, and an input bias current of just 50nA. This component operates within a supply voltage range of 3V to 36V for single supply and ±1.5V to ±18V for dual supply. The compact SOP-J8 package measures 4.9mm x 6mm x 1.65mm, making it suitable for space-constrained applications. Its robust design and performance characteristics make it ideal for automotive electronics, including engine control units, Electric Power Steering (EPS), and Anti-lock Braking Systems (ABS).

Applications

• Engine Control Units (ECU)
• Electric Power Steering (EPS)
• Anti-lock Braking Systems (ABS)
• General automotive electronics

Industries

• Automotive
• Transportation
• Electronics
• Robotics

Usage Ideas

1. Engine Monitoring System: Utilize the LM2903EZ to create a comparator circuit that monitors engine parameters, ensuring optimal performance and safety.
2. Electric Power Steering Control: Implement the comparator in an EPS system to enhance steering response and improve vehicle handling.
3. Anti-lock Braking System Enhancement: Design a braking system that uses the LM2903EZ to detect wheel slip and adjust braking force accordingly, improving vehicle safety.

Conclusion

The ROHM Semiconductor LM2903EZ Automotive Ground Sense Comparator is a versatile and reliable component for various automotive applications. Its low power consumption, compact size, and AEC-Q100 qualification make it an excellent choice for engineers looking to enhance the performance and safety of automotive systems. Whether in engine control, steering, or braking systems, the LM2903EZ stands out as a key component in modern automotive electronics.