Texas Instruments

TPS22961DNYR

The TPS22961DNYR is a high-efficiency synchronous step-down (buck) regulator from Texas Instruments. This device is designed to provide efficient power conversion for a wide range of applications, including automotive, industrial, and consumer electronics.

Description:

The TPS22961DNYR is a highly integrated, synchronous step-down regulator that can operate from an input voltage range of 4.5V to 28V. It is available in a compact QFN package, making it suitable for space-constrained applications. The device features a wide output voltage range of 0.9V to 16V, making it versatile for various applications.

Features:

1. High Efficiency: The TPS22961DNYR offers high efficiency of up to 96%, which helps reduce power dissipation and improve overall system performance.
2. Wide Input Voltage Range: The device can operate from an input voltage range of 4.5V to 28V, making it suitable for a wide range of power supply sources.
3. Synchronous Rectification: The TPS22961DNYR uses synchronous rectification, which helps improve efficiency and reduce switching losses.
4. Programmable Output Voltage: The output voltage can be programmed using an external resistor network, allowing for flexibility in output voltage selection.
5. High-Accuracy Current Limit: The device features a high-accuracy current limit that can be adjusted using an external resistor, providing protection against overload conditions.
6. Low Quiescent Current: The TPS22961DNYR has a low quiescent current of 35µA in normal operation, which helps reduce power consumption in battery-powered applications.
7. Protection Features: The device includes various protection features such as over-current protection, over-temperature protection, and output short-circuit protection.

Applications:

1. Automotive Applications: The TPS22961DNYR can be used in automotive applications such as infotainment systems, instrument clusters, and LED lighting.
2. Industrial Applications: The device is suitable for industrial applications like motor controllers, sensor supplies, and programmable logic controllers.
3. Consumer Electronics: The TPS22961DNYR can be used in consumer electronics devices such as smartphones, tablets, and wearable devices for battery charging and power management.
4. Medical Devices: The device can be used in medical equipment that requires efficient and reliable power conversion.
5. Telecommunication Equipment: The TPS22961DNYR can be used in power supply applications for telecommunication equipment, such as base stations and routers.

In summary, the TPS22961DNYR is a high-efficiency synchronous step-down regulator from Texas Instruments, offering a wide input voltage range, programmable output voltage, and various protection features. It is suitable for a wide range of applications, including automotive, industrial, consumer electronics, medical devices, and telecommunication equipment.