Texas Instruments

TPS3831K33DQNR

TPS3831K33DQNR is a highly integrated power management device manufactured by Texas Instruments. It is designed to provide efficient power conversion and distribution in a wide range of applications, including industrial, medical, and telecommunications systems.

Description:

The TPS3831K33DQNR is a step-down (buck) converter with integrated power MOSFETs and an internal inductor. It is available in a compact 16-pin, 2mm x 3mm WQFN package. The device features a wide input voltage range of 4.5V to 23V and can deliver an output voltage as low as 0.9V. It is designed for high efficiency and low quiescent current operation, making it suitable for battery-powered applications.

Features:

1. High efficiency: The TPS3831K33DQNR offers high efficiency over a wide load range, reducing power dissipation and improving overall system performance.
2. Wide input voltage range: The device can accept input voltages from 4.5V to 23V, making it suitable for various power supply scenarios.
3. Low output voltage: The output voltage can be as low as 0.9V, allowing for compatibility with a wide range of loads.
4. Integrated power MOSFETs: The device features integrated N-channel power MOSFETs, reducing the need for external components and simplifying the design.
5. Internal inductor: The integrated inductor reduces the number of external components required, further simplifying the design and reducing the overall solution size.
6. Low quiescent current: The TPS3831K33DQNR has a low quiescent current of 3.5µA in normal operation mode, making it suitable for battery-powered applications.
7. Programmable soft-start: The device offers programmable soft-start functionality, which helps reduce inrush current and minimize output voltage overshoot during startup.
8. Protection features: The TPS3831K33DQNR includes various protection features such as over-current protection, over-voltage protection, and thermal shutdown.

Applications:

1. Industrial systems: The TPS3831K33DQNR can be used in industrial control systems, providing efficient power conversion and distribution for various components.
2. Medical equipment: The device is suitable for powering medical devices, such as portable ultrasound machines and patient monitoring equipment, due to its high efficiency and low quiescent current.
3. Telecommunications: The TPS3831K33DQNR can be used in telecommunications systems, such as base stations and routers, to provide efficient power conversion and distribution.
4. Portable devices: The device's low quiescent current and wide input voltage range make it suitable for use in portable electronic devices, such as smartphones, tablets, and laptops.
5. Battery-powered systems: The TPS3831K33DQNR's low quiescent current and high efficiency make it an ideal choice for battery-powered systems, helping to extend battery life and improve overall system performance.