Automotive Low Dropout (LDO) Regulators


Automotive Low Dropout (LDO) Regulators

Manufacturer

Part #

Category

ROHM Semiconductor BDxHA3MEFJ-C & BDxHA3VEFJ-C Power

Description

The ROHM Semiconductor BDxHA3MEFJ-C and BDxHA3VEFJ-C are Automotive Low Dropout (LDO) Regulators that offer variable and fixed output options. They feature high accuracy reference voltage circuits, built-in Over-Current Protection, and Thermal Shut Down circuits, making them ideal for various applications. These regulators operate in a temperature range of -40°C to 125°C and are AEC-Q100 qualified.

ROHM Semiconductor BDxHA3MEFJ-C & BDxHA3VEFJ-C Automotive Low Dropout Regulators

Introduction

The ROHM Semiconductor BDxHA3MEFJ-C and BDxHA3VEFJ-C are advanced Automotive Low Dropout (LDO) Regulators designed to provide reliable voltage regulation in automotive applications. With their high accuracy and built-in protection features, these regulators are an excellent choice for various electronic systems requiring stable power supply.

Part Description

The BDxHA3MEFJ-C and BDxHA3VEFJ-C LDO Regulators offer both variable and fixed output options, catering to a wide range of voltage requirements. They feature a high accuracy reference voltage circuit with ±2% output accuracy, ensuring precise voltage levels. Additionally, these regulators are equipped with built-in Over-Current Protection (OCP) and Thermal Shut Down (TSD) circuits, enhancing their reliability and safety during operation. They can handle a maximum output current of 0.3A and operate within a temperature range of -40°C to 125°C. The compact HTSOP-J8 package (4.90mm x 6mm x 1mm) makes them suitable for space-constrained applications, and they are AEC-Q100 qualified, ensuring compliance with automotive standards.

Applications

  • Automotive electronic control units (ECUs)
  • Infotainment systems
  • Sensor power supply
  • Power management for LED lighting
  • Battery management systems

Industries

  • Automotive
  • Consumer Electronics
  • Industrial Automation
  • Telecommunications
  • Medical Devices

Usage Ideas

  1. Automotive Sensor Power Supply: Use the BDxHA3MEFJ-C to provide a stable power supply for automotive sensors, ensuring accurate readings and reliable performance in various environmental conditions.

  2. Infotainment System Voltage Regulation: Implement the BDxHA3VEFJ-C in an automotive infotainment system to maintain consistent voltage levels for audio and visual components, enhancing user experience.

  3. LED Lighting Control: Design a power management circuit for LED lighting in vehicles using the LDO regulators to ensure efficient and reliable operation, even under varying load conditions.

Conclusion

The ROHM Semiconductor BDxHA3MEFJ-C and BDxHA3VEFJ-C Automotive Low Dropout Regulators are versatile components that provide high accuracy and robust protection features, making them ideal for a variety of automotive applications. Their compact design and compliance with automotive standards further enhance their appeal for engineers looking to develop reliable electronic systems in the automotive industry.