LM5118Q1MH/NOPB

The LM5118Q1MH/NOPB is a high current, low quiescent current, gate driver for resonant power converters. It is based on Texas Instruments’ proprietary high-speed Gate Driver with Integrated PowerStage architecture. It includes an independently controlled gate driver pair and an integrated high current, low-side MOSFET to drive the power stage. The device can be used to drive both single-ended and full-bridge topologies, and supports PWM dimming and high-speed soft switching. The LM5118Q1MH/NOPB is a multi-mode power conversion device and is ideal for applications such as automotive, industrial, and consumer power supplies.

Application Field

The LM5118Q1MH/NOPB is a multi mode power conversion device for both single-ended and full-bridge topologies. It provides high frequency, high power, and low cost solutions for automotive, industrial and consumer power supply applications. It is also used as a PWM dimming control to minimize power consumption, as well as for high speed soft switching control.

This power MOSFET circuit is used in a variety of applications such as electric vehicle charging, automotive power supplies, industrial power systems and home electronics. As an example, electric vehicle charging applications require fast and accurate charging profiles to comply with the grid regulations. The LM5118Q1MH/NOPB power MOSFET offers excellent performance in such applications, enabling fast charging control while also providing high power efficiency.

The device also has a wide operating temperature range and is ideal for automotive or industrial applications, such as battery powered systems, UPS systems or other applications in harsh outdoor environments.

Working Principle

The LM5118Q1MH/NOPB is a multi-mode power conversion device for single-ended and full-bridge topologies. It is designed to drive both n- and p-channel power MOSFETs. The device also provides support for PWM dimming and High-Speed Soft Switching operation. The integrated high current driver block consists of two independent power driver stages, each providing up to 8A of peak output current.

The LM5118Q1MH/NOPB includes a temperature sensor and a voltage regulator to ensure the device’s performance under all conditions. The device’s self-protection features protect against over-temperature, over-voltage, under-voltage, over-current, and over-frequency conditions. The device implements integrated, low-power sleep modes that minimize the quiescent current consumption.

The LM5118Q1MH/NOPB utilizes proprietary TI Gate Driver and integrated PowerStage architecture that provides a simple, low cost solution for high-frequency, high-power applications. This architecture is designed to enhance accuracy, reduce board space requirements and improve efficiency, while further enhancing system performance. In addition, the LM5118Q1MH/NOPB utilizes a low-noise, high-efficiency analog control loop to regulate both the driver current and power switches.

Conclusion

The LM5118Q1MH/NOPB is a high current, low quiescent current, gate driver for resonant power converters. It can be used in a wide range of applications, including electric vehicle charging, automotive, industrial and consumer power systems. The device is based on Texas Instrument’s proprietary high-speed Gate Driver with Integrated PowerStage architecture, offering integrated driver stages and low-noise, high-efficiency analog control loops. The LM5118Q1MH/NOPB is an ideal choice for high power and high frequency applications.