Texas Instruments

TPS54122RHLT  

Linear & Switching Voltage Regulators

TPS54122RHLT Description

The TPS54122RHLT is a dual-output synchronous buck/linear regulator from Texas Instruments, designed to provide efficient power management solutions for a variety of electronic applications. This device is housed in a 24-pin QFN package and is suitable for surface-mount applications. It features two output channels, each capable of delivering up to 3A of current with an adjustable output voltage range of 0.8V to 3.6V. The regulator operates with a supply voltage between 2.95V and 6V and supports a wide switching frequency range from 300kHz to 2MHz. The TPS54122RHLT is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. It is important to note that this product is obsolete, but it remains a valuable option for legacy designs.

TPS54122RHLT Features

• Dual-Output Capability: The TPS54122RHLT provides two independent output channels, each with a voltage range of 0.8V to 3.6V and a maximum current of 3A. This dual-output feature allows for efficient power distribution and management in multi-rail systems.
• Wide Switching Frequency Range: The regulator supports a switching frequency range from 300kHz to 2MHz, offering flexibility in design to optimize for efficiency or minimize output ripple.
• Efficient Synchronous Design: The synchronous buck topology ensures high efficiency across a wide range of load conditions, making it suitable for applications requiring high power density and minimal heat dissipation.
• Surface-Mount Compatibility: The 24-pin QFN package is ideal for surface-mount assembly, enabling compact and reliable integration into modern electronic designs.
• Environmental Compliance: The TPS54122RHLT is both REACH unaffected and RoHS3 compliant, ensuring it meets the highest environmental and safety standards.
• Moisture Sensitivity Level: With an MSL rating of 2 (1 Year), the device is well-suited for manufacturing environments with controlled humidity levels.

TPS54122RHLT Applications

The TPS54122RHLT is ideal for applications requiring efficient power management and dual-output regulation. Some specific use cases include:

• Embedded Systems: In embedded systems where multiple voltage rails are needed, the dual-output capability of the TPS54122RHLT can simplify power distribution and reduce component count.
• Telecommunications: The wide switching frequency range and high efficiency make it suitable for telecom equipment where space and power efficiency are critical.
• Industrial Controls: The robust design and environmental compliance make it an excellent choice for industrial applications where reliability and compliance with safety standards are paramount.
• Consumer Electronics: The compact size and high efficiency are beneficial for consumer electronics, ensuring minimal power loss and heat generation.

Conclusion of TPS54122RHLT

The TPS54122RHLT from Texas Instruments is a versatile dual-output synchronous buck/linear regulator that offers high efficiency and flexibility in power management. Its wide switching frequency range, dual-output capability, and surface-mount compatibility make it a valuable component for a variety of applications. Despite being obsolete, the TPS54122RHLT remains a reliable choice for legacy designs and applications where its unique features and performance benefits are required.

TPS54122RHLT Documents

Download datasheets and manufacturer documentation for TPS54122RHLT

PCN Assembly/Origin :

Mult Dev Assembly Mat Chg 26/Apr/2019      

Datasheets :

TPS54122      

PCN Obsolescence/ EOL :

Mult Dev EOL 13/Apr/2023