Texas Instruments

LM5109BMA  

Gate Drivers ICs

LM5109BMA Description

The LM5109BMA is a high-performance gate driver IC designed for demanding power conversion applications. Manufactured by Texas Instruments, this half-bridge gate driver is housed in an 8SOIC package and is ideal for surface mount applications. The LM5109BMA features independent high and low-side drivers capable of operating with a supply voltage ranging from 8V to 14V. It supports a peak output current of 1A for both sourcing and sinking, ensuring robust performance in various power electronics circuits.

LM5109BMA Features

• Independent Channel Type: The LM5109BMA offers independent high and low-side drivers, providing flexibility in controlling power MOSFETs or IGBTs.
• Wide Supply Voltage Range: With a supply voltage range of 8V to 14V, the LM5109BMA is suitable for a variety of power supply applications.
• High Side Voltage Capability: The high-side driver can operate up to a maximum bootstrap voltage of 108V, making it ideal for high-voltage applications.
• Fast Rise and Fall Times: Typical rise and fall times of 15ns ensure minimal switching losses and high efficiency in power conversion circuits.
• Logic Compatibility: The logic input levels (VIL: 0.8V, VIH: 2.2V) are designed to be compatible with a wide range of digital control circuits.
• Compliance and Reliability: The LM5109BMA is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability and regulatory compliance.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the LM5109BMA is suitable for storage and handling in various environmental conditions.

LM5109BMA Applications

The LM5109BMA is well-suited for a variety of high-voltage power conversion applications, including:

• DC-DC Converters: Ideal for high-efficiency DC-DC converters requiring fast switching and low switching losses.
• Motor Drives: Suitable for driving high-voltage motors, ensuring precise control and high reliability.
• Inverters: Applicable in solar inverters and other renewable energy systems where high voltage and fast switching are critical.
• Power Supplies: Enhances the performance of power supplies in telecommunications, industrial, and consumer electronics.

Conclusion of LM5109BMA

The LM5109BMA from Texas Instruments is a versatile and high-performance gate driver IC designed to meet the demands of modern power electronics. Its wide supply voltage range, high-side voltage capability, and fast switching times make it an excellent choice for applications requiring high efficiency and reliability. The independent channel design and compatibility with various logic levels further enhance its flexibility. With its compliance to environmental and regulatory standards, the LM5109BMA is a reliable and sustainable solution for power conversion needs.

LM5109BMA Documents

Download datasheets and manufacturer documentation for LM5109BMA

Datasheets :

LM5109B      

PCN Obsolescence/ EOL :

EOL 27/Oct/2023      

HTML Datasheet :

LM5109B      

PCN Design/Specification :

Cu Wire 21/Mar/2017