Texas Instruments

LM5109BSD/NOPB

LM5109BSD/NOPB Description

The LM5109BSD/NOPB is a high-performance gate driver IC from Texas Instruments, designed for driving high-side and low-side MOSFETs in half-bridge configurations. This IC is part of the Gate Drivers ICs category and is offered in an 8-pin WSON package. With its robust features and performance benefits, the LM5109BSD/NOPB is an ideal choice for various power conversion applications.

LM5109BSD/NOPB Features

• Voltage - Supply: The LM5109BSD/NOPB operates over a wide supply voltage range of 8V to 14V, making it suitable for a variety of power conversion applications.
• Rise / Fall Time (Typ): The IC boasts fast rise and fall times of 15ns, ensuring efficient and rapid switching performance.
• Logic Voltage - VIL, VIH: The LM5109BSD/NOPB has a logic voltage range of 0.8V to 2.2V, providing reliable operation with various control inputs.
• Current - Peak Output (Source, Sink): The IC can source and sink up to 1A of peak output current, making it capable of driving large MOSFETs in high-power applications.
• High Side Voltage - Max (Bootstrap): The LM5109BSD/NOPB can handle high-side voltages up to 108V, making it suitable for high-voltage applications.
• Number of Drivers: This IC features two independent gate drivers, providing flexibility in half-bridge configurations.
• Mounting Type: The LM5109BSD/NOPB is surface-mountable, allowing for easy integration into various PCB designs.
• RoHS Status: The IC is compliant with RoHS3 standards, ensuring environmental compliance in manufacturing processes.
• REACH Status: The LM5109BSD/NOPB is REACH unaffected, indicating that it does not contain any substances of very high concern (SVHCs) above the specified threshold limits.

LM5109BSD/NOPB Applications

The LM5109BSD/NOPB is ideal for a wide range of power conversion applications, including:

1. DC-DC Converters: The IC's high-side and low-side gate driving capabilities make it suitable for driving MOSFETs in buck, boost, and buck-boost converter topologies.
2. Motor Control: The LM5109BSD/NOPB can be used in motor control applications, such as brushless DC (BLDC) motor drivers, where precise control of MOSFET gates is required.
3. Power Factor Correction (PFC): The IC's high-side gate driving capability makes it suitable for PFC applications, where high-voltage MOSFETs need to be driven efficiently.
4. Inverters: The LM5109BSD/NOPB can be used in inverter applications, such as solar inverters and uninterruptible power supplies (UPS), where high-voltage and high-current MOSFETs need to be driven.

Conclusion of LM5109BSD/NOPB

The LM5109BSD/NOPB is a versatile and high-performance gate driver IC from Texas Instruments, offering a wide range of features and benefits for various power conversion applications. Its fast switching times, high-side voltage handling, and RoHS compliance make it an ideal choice for demanding applications requiring precise gate control and high reliability. With its unique features and advantages over similar models, the LM5109BSD/NOPB is a valuable addition to any power conversion design.