Texas Instruments

TPS79850QDGNRQ1

The TPS79850QDGNRQ1 is a low-power, high-efficiency, step-down (buck) switching regulator from Texas Instruments. It is designed to provide efficient power conversion for a wide range of applications, including battery-powered devices and systems that require a stable output voltage.

Description:

The TPS79850QDGNRQ1 is a fully integrated, synchronous, step-down converter with an input voltage range of 2.5V to 5.5V and an output voltage range of 0.9V to 3.5V. It features a compact, 10-pin, 1.6mm pitch, QFN package, making it suitable for space-constrained applications.

Features:

1. High efficiency: The TPS79850QDGNRQ1 offers high efficiency up to 93%, which helps to reduce power consumption and improve the overall performance of the system.
2. Low quiescent current: The device has a low quiescent current of 2.5μA in normal operation and 0.5μA in power-saving mode, which helps to minimize power consumption in battery-powered applications.
3. Wide input and output voltage range: The TPS79850QDGNRQ1 can handle input voltages from 2.5V to 5.5V and provide regulated output voltages from 0.9V to 3.5V, making it suitable for a wide range of applications.
4. Programmable soft-start: The device features a programmable soft-start function, which helps to reduce inrush current and minimize output voltage overshoot during startup.
5. Protection features: The TPS79850QDGNRQ1 includes various protection features such as over-current protection, over-temperature protection, and output short-circuit protection to ensure reliable operation.
6. Small form factor: The compact 10-pin, 1.6mm pitch, QFN package allows for easy integration into space-constrained applications.

Applications:

1. Portable devices: The TPS79850QDGNRQ1 is ideal for powering portable devices such as smartphones, tablets, and wearables, where efficient power conversion and low power consumption are crucial.
2. IoT devices: The device's low power consumption and wide input voltage range make it suitable for powering IoT devices and sensors in various applications, including home automation, industrial control, and smart cities.
3. Battery-powered systems: The TPS79850QDGNRQ1 can be used in battery-powered systems, such as wireless routers, GPS devices, and remote monitoring systems, to provide efficient power conversion and extend battery life.
4. Medical devices: The device's high efficiency and low quiescent current make it suitable for powering medical devices, such as portable monitoring equipment and wearable health monitors.
5. Automotive applications: The TPS79850QDGNRQ1 can be used in automotive applications, such as infotainment systems, GPS navigation, and telematics, where efficient power conversion and a wide input voltage range are required.

In summary, the TPS79850QDGNRQ1 is a versatile, high-efficiency, step-down switching regulator from Texas Instruments that offers a wide input and output voltage range, low quiescent current, and various protection features. It is suitable for a wide range of applications, including portable devices, IoT devices, battery-powered systems, medical devices, and automotive applications.