ROHM Semiconductor

BD9322EFJ-E2

BD9322EFJ-E2 Description

The BD9322EFJ-E2 is a high-performance, adjustable output buck regulator designed by ROHM Semiconductor for a wide range of power management applications. This IC features a robust design with a maximum input voltage of 18V and a minimum input voltage of 4.75V, making it suitable for various input voltage ranges. It delivers a stable output current of up to 2A, ensuring reliable power delivery to demanding applications. The regulator supports an adjustable output voltage range from 0.9V to 16.2V, providing flexibility to meet different system requirements.

The BD9322EFJ-E2 operates with a switching frequency of 380kHz, which helps in reducing the size of external components while maintaining high efficiency. It employs synchronous rectification, enhancing overall efficiency and reducing power loss. The regulator is housed in an 8-pin HTSOP-J package, suitable for surface-mount applications, and is available in tape and reel packaging for convenient handling and assembly.

BD9322EFJ-E2 Features

• Adjustable Output Voltage: The BD9322EFJ-E2 offers an adjustable output voltage range from 0.9V to 16.2V, providing flexibility to accommodate various system requirements.
• High Efficiency: With synchronous rectification, the regulator achieves high efficiency, reducing power loss and improving thermal performance.
• Wide Input Voltage Range: The regulator supports an input voltage range from 4.75V to 18V, making it suitable for a variety of power sources.
• High Output Current Capability: Capable of delivering up to 2A of output current, ensuring reliable power delivery to demanding applications.
• Compact Design: The 8-pin HTSOP-J package is ideal for space-constrained designs, while the 380kHz switching frequency allows for smaller external components.
• Compliance and Reliability: The BD9322EFJ-E2 is ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory compliance. It also has a moisture sensitivity level (MSL) of 1, making it suitable for a wide range of manufacturing environments.
• Single Output Configuration: The regulator is designed with a single positive output configuration, simplifying circuit design and reducing complexity.

BD9322EFJ-E2 Applications

The BD9322EFJ-E2 is ideal for a variety of applications requiring efficient power conversion and stable voltage regulation. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and portable gaming consoles where compact size and high efficiency are critical.
• Industrial Equipment: Suitable for industrial control systems, automation equipment, and IoT devices that require reliable power management.
• Telecommunications: Can be used in base stations, routers, and other telecom equipment where stable power delivery and high efficiency are essential.
• Automotive Electronics: Applicable in automotive systems such as infotainment units, advanced driver assistance systems (ADAS), and electric vehicle (EV) components.

Conclusion of BD9322EFJ-E2

The BD9322EFJ-E2 is a versatile and high-performance buck regulator that offers significant advantages over similar models. Its adjustable output voltage, wide input voltage range, and high output current capability make it suitable for a broad range of applications. The inclusion of synchronous rectification and a compact package design further enhance its efficiency and ease of integration. While the product is marked as "Not For New Designs," its existing applications and performance benefits make it a reliable choice for ongoing projects. For designers seeking a robust and efficient power management solution, the BD9322EFJ-E2 is a compelling option.