Nexperia NEX9x 40V LDO Voltage Regulators

Introduction

The Nexperia NEX9x 40V LDO Voltage Regulators are designed to provide reliable and efficient voltage regulation for a variety of applications. With their ultra-low quiescent current and AEC-Q100 qualification, these devices are particularly suited for automotive environments, ensuring stable performance under varying conditions.

Part Description

The NEX9x series includes low-dropout (LDO) voltage regulators that can handle input voltages ranging from 3V to 40V. The NEX91207 model, in particular, is a tracking LDO that offers high tracking accuracy and is capable of directly connecting to vehicle batteries. It features a maximum output current of 70mA and is housed in a compact SOT23 package. These regulators are designed to operate efficiently even in cold-crank conditions, making them ideal for automotive applications where ripple-sensitive loads are present. They also incorporate integrated fault protections, including thermal shutdown and short-circuit protection.

Applications

• High-precision voltage tracking
• Automotive lighting systems
• Automotive head units and instrument clusters
• Telematics control units
• Power tools
• Motor driver modules
• Consumer electronics (e.g., mobile phones, tablets, wearables)
• Body Control Modules (BCMs)
• Electric Vehicle (EV) and Hybrid Electric Vehicle (HEV) power trains

Industries

• Automotive
• Consumer Electronics
• Telecommunications
• Industrial Automation
• Electric Vehicles

Usage Ideas

1. Automotive Lighting Control: Use the NEX91207 to regulate voltage for LED headlights, ensuring consistent brightness and performance under varying vehicle conditions.
2. Telematics Unit Power Supply: Implement the NEX91207 in a telematics control unit to provide stable power for GPS and communication modules, enhancing vehicle connectivity.
3. Microcontroller Power Source: Design a microcontroller-based project that utilizes the NEX91207 to maintain a stable voltage supply, ensuring reliable operation in battery-powered devices.

Conclusion

The Nexperia NEX9x 40V LDO Voltage Regulators are versatile components that excel in automotive and consumer electronics applications. Their low quiescent current, robust performance, and integrated protections make them an excellent choice for designers looking to create reliable and efficient power solutions. Whether for automotive lighting, telematics, or consumer devices, the NEX91207 and its counterparts offer the stability and performance needed in today's demanding environments.