Texas Instruments

LM5143QRWGRQ1  

DC DC Switching Controllers

The LM5143QRWGRQ1 is a highly integrated step-up/step-down converter with a built-in power switch from Texas Instruments. It is designed to provide efficient and flexible power conversion for a wide range of applications.

Description:

The LM5143QRWGRQ1 is a compact, high-efficiency step-up/step-down converter that can operate from input voltages as low as 2.5V and as high as 40V. It features a built-in power switch, which allows it to convert input voltages to either higher or lower output voltages, depending on the application requirements.

Features:

1. Wide input voltage range: The LM5143QRWGRQ1 can operate from input voltages as low as 2.5V and as high as 40V, making it suitable for a wide range of power supply applications.
2. High efficiency: The LM5143QRWGRQ1 is designed for high efficiency, with typical efficiency levels of up to 96%.
3. Integrated power switch: The built-in power switch eliminates the need for an external switch, reducing the overall component count and complexity of the power supply design.
4. Small form factor: The LM5143QRWGRQ1 is available in a compact 16-pin QFN package, making it suitable for space-constrained applications.
5. Wide output voltage range: The LM5143QRWGRQ1 can provide output voltages from 0.9V to 40V, making it suitable for a wide range of applications.
6. Low quiescent current: The LM5143QRWGRQ1 has a low quiescent current of 35µA in run mode and 1.5µA in standby mode, which helps to minimize power consumption in battery-powered applications.

Applications:

The LM5143QRWGRQ1 is suitable for a wide range of applications that require efficient and flexible power conversion, including:

1. Portable electronic devices: The LM5143QRWGRQ1 can be used to provide efficient power conversion for portable electronic devices such as smartphones, tablets, and wearables.
2. Industrial equipment: The LM5143QRWGRQ1 can be used in industrial equipment that requires efficient power conversion, such as motor drives and control systems.
3. Medical devices: The LM5143QRWGRQ1 can be used in medical devices that require efficient and reliable power conversion, such as portable medical instruments and wearable medical devices.
4. Lighting applications: The LM5143QRWGRQ1 can be used in lighting applications, such as LED drivers, to provide efficient power conversion and control.
5. Power banks: The LM5143QRWGRQ1 can be used in power banks to provide efficient power conversion and charging for portable electronic devices.

Overall, the LM5143QRWGRQ1 is a versatile and efficient step-up/step-down converter that offers a wide range of features and applications, making it an ideal choice for designers looking for a reliable and efficient power conversion solution.

LM5143QRWGRQ1 Documents

Download datasheets and manufacturer documentation for LM5143QRWGRQ1

Datasheets :

LM5143-Q1      

PCN Design/Specification :

LM5143-Q1 07/Jun/2021