Texas Instruments

LM46001PWPR  

DC Switching Voltage Regulators

The Texas Instruments LM46001PWPR is a highly integrated, high-efficiency, step-down (buck) converter with a built-in power MOSFET. It is designed to provide a compact and efficient power solution for a wide range of applications.

Description:

The LM46001PWPR is a synchronous step-down converter that can operate from an input voltage range of 4.5V to 28V. It has a wide output voltage range of 0.9V to 10V and can deliver up to 40A of continuous output current. The device is available in a compact 12mm x 12mm PowerPad™ package, which includes a thermal pad for improved heat dissipation.

Features:

1. High efficiency: The LM46001PWPR offers high efficiency of up to 98%, which helps reduce power dissipation and improve overall system performance.
2. Integrated power MOSFET: The device features an integrated power MOSFET, which eliminates the need for an external MOSFET and simplifies the design.
3. Wide input and output voltage range: The LM46001PWPR can operate from a wide input voltage range of 4.5V to 28V and provides a wide output voltage range of 0.9V to 10V.
4. High output current: The device can deliver up to 40A of continuous output current, making it suitable for high-current applications.
5. Compact package: The LM46001PWPR is available in a compact 12mm x 12mm PowerPad™ package, which includes a thermal pad for improved heat dissipation.
6. Protection features: The device includes various protection features such as over-current protection, over-temperature protection, and open-loop protection to ensure reliable operation.
7. Programmable soft-start: The LM46001PWPR features a programmable soft-start function, which helps reduce inrush current and minimize output voltage overshoot during startup.

Applications:

The LM46001PWPR is suitable for a wide range of applications that require high-efficiency, high-current step-down conversion. Some of the key applications include:

1. Industrial and telecom power supplies
2. High-current point-of-load (POL) applications
3. Distributed power systems
4. High-brightness LED (HB-LED) lighting
5. Automotive applications, such as infotainment systems and power management
6. High-power battery charging systems
7. Motor drive applications

In summary, the Texas Instruments LM46001PWPR is a high-efficiency, high-current step-down converter that offers a wide input and output voltage range, integrated power MOSFET, and various protection features. Its compact package and programmable soft-start function make it suitable for a wide range of applications, including industrial, telecom, automotive, and high-power battery charging systems.

LM46001PWPR Documents

Download datasheets and manufacturer documentation for LM46001PWPR

PCN Assembly/Origin :

Wafer Fab Site Add 29/Mar/2017      

Datasheets :

LM46001      

Reference Design Library :

LM46001PWPEVM: 3.3V @ 1A, 3.5 ~ 60 Vin      

Design Resources :

LM46001 Design with WEBENCH® Power Designer      

HTML Datasheet :

LM46001      

PCN Design/Specification :

Symbolization Update 14/Feb/2023       Design 22/Feb/2022