Texas Instruments

LM3544M-L/NOPB  

Power Distribution Switches, Load Drivers

LM3544M-L/NOPB Description

The LM3544M-L/NOPB is a high-side power switch designed for efficient power distribution and load driving applications. Manufactured by Texas Instruments, this device is part of the Power Distribution Switches and Load Drivers category. It features a 1:2 input-to-output ratio, making it ideal for applications requiring multiple load paths. The LM3544M-L/NOPB is housed in a surface-mount 16SOIC package, ensuring compact and reliable integration into various electronic systems.

This power switch operates within a load voltage range of 2.7V to 5.5V and can handle a maximum output current of 500mA. It offers a typical on-resistance (Rds On) of 90mOhm, which minimizes power loss and enhances efficiency. The device is equipped with comprehensive fault protection mechanisms, including fixed current limiting, over-temperature protection, and under-voltage lockout (UVLO), ensuring robust and reliable operation under various conditions.

LM3544M-L/NOPB Features

• High-Side Output Configuration: The high-side configuration simplifies circuit design and enhances control over the load.
• Active Product Status: This ensures that the LM3544M-L/NOPB is readily available for new designs and existing applications.
• Status Flag: Provides real-time monitoring of the switch status, facilitating effective system management and fault detection.
• No Supply Voltage Required (Vcc/Vdd): This feature reduces the complexity of power supply requirements, making the device suitable for a wide range of applications.
• REACH Unaffected and ROHS3 Compliant: Ensures environmental compliance and suitability for global markets.
• Moisture Sensitivity Level (MSL) 1 (Unlimited): This indicates that the device is highly resistant to moisture, enhancing reliability in various environmental conditions.
• USB Switch Type: Optimized for USB applications, ensuring compatibility with modern electronic devices.
• Multiple Outputs (4): Allows for versatile load management, supporting multiple load paths in a single package.
• Fault Protection: Fixed current limiting, over-temperature protection, and UVLO safeguard the device and connected loads against potential damage.

LM3544M-L/NOPB Applications

The LM3544M-L/NOPB is well-suited for a variety of applications, particularly those requiring efficient power distribution and load management. Key applications include:

• USB Power Management: Ideal for managing power in USB hubs, chargers, and peripherals.
• Mobile Devices: Suitable for smartphones, tablets, and other portable electronics where compact and efficient power switching is crucial.
• Consumer Electronics: Applicable in devices such as digital cameras, gaming consoles, and smart home appliances.
• Industrial Equipment: Can be used in industrial control systems and automation equipment for reliable power distribution.
• Automotive Electronics: Suitable for in-vehicle infotainment systems and other automotive applications requiring robust power management.

Conclusion of LM3544M-L/NOPB

The LM3544M-L/NOPB from Texas Instruments is a versatile and reliable high-side power switch that offers significant advantages in power distribution and load driving applications. Its unique features, such as the status flag, comprehensive fault protection, and multiple outputs, make it stand out from similar models. The device's compatibility with USB applications and its robust environmental compliance further enhance its appeal. Whether used in consumer electronics, mobile devices, or industrial equipment, the LM3544M-L/NOPB provides efficient and reliable power management, making it an excellent choice for modern electronic designs.

LM3544M-L/NOPB Documents

Download datasheets and manufacturer documentation for LM3544M-L/NOPB

Datasheets :

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HTML Datasheet :

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Wire Chg 19/Mar/2016