Texas Instruments

LM5109MA/NOPB  

Gate Drivers ICs

LM5109MA/NOPB Description

The LM5109MA/NOPB is a high-performance gate driver IC designed for half-bridge configurations, manufactured by Texas Instruments. This device is part of the Power Management (PMIC) category and is housed in an 8SOIC package. It is specifically tailored for surface-mount applications, ensuring compatibility with modern PCB designs. The LM5109MA/NOPB features two independent channels, each capable of driving high-side and low-side MOSFsET with a peak output current of 1A for both sourcing and sinking. The supply voltage range of 8V to 14V makes it suitable for a variety of power supply applications, while the high-side voltage capability of up to 118V (bootstrap) ensures robustness in high-voltage environments.

LM5109MA/NOPB Features

• Independent Channel Type: The LM5109MA/NOPB offers two independent channels, providing flexibility in driving high-side and low-side MOSFETs separately.
• High Peak Output Current: Each channel can handle a peak output current of 1A for both sourcing and sinking, ensuring efficient power delivery.
• Wide Supply Voltage Range: The device operates within an 8V to 14V supply voltage range, making it suitable for a broad range of power supply applications.
• High High-Side Voltage Capability: With a maximum high-side voltage of 118V (bootstrap), the LM5109MA/NOPB is well-suited for high-voltage applications.
• Fast Rise and Fall Times: The typical rise and fall times of 15ns ensure rapid switching, reducing switching losses and improving overall efficiency.
• Logic Compatibility: The logic input voltage levels of VIL = 0.8V and VIH = 2.2V ensure compatibility with a wide range of control signals.
• Compliance and Reliability: The LM5109MA/NOPB is REACH unaffected and RoHS3 compliant, meeting environmental and regulatory standards. It also has a moisture sensitivity level (MSL) of 1, indicating unlimited exposure to moisture, enhancing its reliability in various environmental conditions.

LM5109MA/NOPB Applications

The LM5109MA/NOPB is ideal for applications requiring efficient power conversion and control. Its high-side and low-side driving capabilities make it suitable for:

• DC-DC Converters: The device's ability to drive MOSFETs efficiently makes it ideal for buck, boost, and buck-boost converters.
• Motor Control: The independent channels and high peak current capabilities allow precise control of motor drivers.
• Power Supplies: The wide supply voltage range and high high-side voltage capability make it suitable for various power supply designs, including those in automotive and industrial applications.
• Renewable Energy Systems: The LM5109MA/NOPB can be used in inverters and converters for solar and wind power systems, where high efficiency and reliability are crucial.

Conclusion of LM5109MA/NOPB

The LM5109MA/NOPB from Texas Instruments stands out as a robust and versatile gate driver IC for half-bridge configurations. Its combination of high peak output current, wide supply voltage range, and high high-side voltage capability makes it suitable for a wide range of power management applications. The fast rise and fall times, along with its compliance with environmental standards, further enhance its appeal. Whether used in DC-DC converters, motor control systems, or renewable energy applications, the LM5109MA/NOPB offers reliable performance and significant advantages over similar models, making it a preferred choice for engineers and designers in the electronics industry.

LM5109MA/NOPB Documents

Download datasheets and manufacturer documentation for LM5109MA/NOPB

PCN Assembly/Origin :

Additional Assembly Site 07/Jun/2021      

Datasheets :

LM5109      

PCN Obsolescence/ EOL :

EOL 27/Oct/2023      

HTML Datasheet :

LM5109      

PCN Design/Specification :

Cu Wire 21/Mar/2017       Retract 26-Apr-2022