Texas Instruments

LM3544MX-H/NOPB  

Power Distribution Switches, Load Drivers

LM3544MX-H/NOPB Description

The LM3544MX-H/NOPB is a high-side power switch designed by Texas Instruments, featuring a 1:2 input-to-output ratio and a maximum output current of 500mA. This device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a 16-pin SOIC package. Despite being marked as obsolete, the LM3544MX-H/NOPB remains a robust solution for applications requiring reliable power switching. It operates within a load voltage range of 2.7V to 5.5V and offers a typical on-resistance (Rds On) of 90mOhm, ensuring efficient power delivery with minimal power loss.

LM3544MX-H/NOPB Features

• High-Side Configuration: The high-side output configuration allows for straightforward integration into various power management systems.
• Status Flag: This feature provides real-time monitoring of the switch status, enhancing system reliability and fault detection.
• Fault Protection: The LM3544MX-H/NOPB includes comprehensive fault protection mechanisms such as fixed current limiting, over-temperature protection, and under-voltage lockout (UVLO), ensuring safe operation under varying conditions.
• RoHS3 Compliance: The device adheres to stringent environmental standards, making it suitable for environmentally conscious applications.
• REACH Unaffected: The product is unaffected by the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulations, ensuring compliance with European chemical safety standards.
• Moisture Sensitivity Level (MSL) 1: The device is rated for unlimited exposure to moisture, making it highly reliable in humid environments.
• Surface Mount: The surface mount technology (SMT) ensures ease of installation and compatibility with modern PCB assembly processes.

LM3544MX-H/NOPB Applications

The LM3544MX-H/NOPB is ideal for a variety of applications, particularly those requiring efficient power switching and robust fault protection. Key use cases include:

• USB Switching: The device's USB switch type makes it suitable for managing power in USB-based systems, ensuring reliable connectivity and power management.
• Power Management in Portable Devices: The 1:2 input-to-output ratio and 500mA maximum output current make it an excellent choice for power management in portable devices, where space and efficiency are critical.
• Industrial Equipment: The comprehensive fault protection and high reliability make the LM3544MX-H/NOPB suitable for industrial applications where robustness and safety are paramount.

Conclusion of LM354MX4-H/NOPB

The LM3544MX-H/NOPB, despite being marked as obsolete, remains a reliable and efficient power switch suitable for a range of applications. Its high-side configuration, comprehensive fault protection, and compliance with environmental standards make it a standout choice in the power management domain. While newer models may offer additional features, the LM3544MX-H/NOPB's proven performance and robust design continue to make it a valuable component for engineers and designers in need of a dependable power switching solution.

LM3544MX-H/NOPB Documents

Download datasheets and manufacturer documentation for LM3544MX-H/NOPB

Datasheets :

LM3544      

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LM3544