Texas Instruments

TPS2021DR

The Texas Instruments TPS2021DR is a high-performance, ultra-low quiescent current, step-down (buck) switching regulator that offers a compact solution for battery-powered applications. It is designed to provide efficient power conversion and regulation for a wide range of input voltages and output voltages.

Description:

The TPS2021DR is a member of the TPS2021 family of step-down converters, which are available in various package options. The TPS2021DR is available in a small, 10-pin, 3mm x 3mm WQFN package, making it suitable for space-constrained applications.

Features:

1. Ultra-low quiescent current: The TPS2021DR has a very low quiescent current of 2.5µA, which helps to extend the battery life in portable applications.
2. Wide input voltage range: The device can operate with input voltages from 2.5V to 5.5V, making it suitable for a variety of battery chemistries.
3. Programmable output voltage: The output voltage can be easily programmed using external resistors, allowing for flexibility in the output voltage selection.
4. High efficiency: The TPS2021DR offers high efficiency of up to 93%, which helps to minimize power dissipation and improve thermal performance.
5. Small form factor: The compact 3mm x 3mm WQFN package allows for easy integration into small form-factor devices.
6. Protection features: The device includes over-current protection, thermal shutdown, and output short-circuit protection to ensure reliable operation.

Applications:

The TPS2021DR is suitable for a wide range of applications that require efficient power conversion and regulation, particularly in battery-powered devices. Some common applications include:

1. Portable electronics: Smartphones, tablets, and other handheld devices can benefit from the TPS2021DR's low quiescent current and high efficiency.
2. Wearable devices: Fitness trackers, smartwatches, and other wearable electronics can take advantage of the compact form factor and low power consumption of the TPS2021DR.
3. IoT devices: Internet of Things (IoT) devices, such as sensors and wireless modules, can benefit from the TPS2021DR's ability to operate with a wide range of input voltages and its low power consumption.
4. Medical devices: The TPS2021DR can be used in battery-powered medical devices, such as hearing aids and portable monitoring equipment, to provide efficient power regulation.
5. Consumer electronics: Portable speakers, headphones, and other battery-powered consumer electronics can benefit from the TPS2021DR's compact size and efficient power conversion.

In summary, the Texas Instruments TPS2021DR is a versatile, high-performance step-down converter that offers ultra-low quiescent current, a wide input voltage range, and a compact form factor, making it suitable for a variety of battery-powered applications.