Texas Instruments

TPS2085DR

The Texas Instruments TPS2085DR is a high-performance, ultra-low quiescent current, single-output synchronous step-down (buck) regulator designed for a wide range of applications, including battery-powered systems and portable devices.

Description:

The TPS2085DR is a compact and efficient switching regulator that can convert an input voltage of up to 28V to a lower output voltage. It features a wide input voltage range, making it suitable for various power supply scenarios. The device is available in a small, thermally enhanced, 10-pin WSON package, which helps save space on the printed circuit board (PCB).

Features:

1. Ultra-low quiescent current: The TPS2085DR has a very low quiescent current of 1.5µA, which is ideal for battery-powered applications where power consumption needs to be minimized.
2. High efficiency: The device offers high efficiency of up to 96%, depending on the input voltage and load conditions.
3. Wide input voltage range: The TPS2085DR can handle input voltages from 2.5V to 28V, making it suitable for a wide range of power supply scenarios.
4. Synchronous rectification: The synchronous rectification feature reduces the switching losses and improves efficiency, especially at low output voltages and high input voltages.
5. Programmable soft-start: The soft-start feature helps reduce inrush current and minimizes output voltage overshoot during startup.
6. Output voltage tracking: The device can be configured to track the output voltage of another regulator, allowing for easy paralleling of multiple regulators.
7. Thermal shutdown and over-current protection: The TPS2085DR includes thermal shutdown and over-current protection features to protect the device and the system in case of abnormal operating conditions.
8. Small form factor: The 10-pin WSON package is compact and thermally enhanced, making it suitable for space-constrained applications.

Applications:

1. Portable devices: Due to its low quiescent current and high efficiency, the TPS2085DR is well-suited for battery-powered applications, such as smartphones, tablets, and wearable devices.
2. IoT devices: The device's low power consumption and wide input voltage range make it suitable for Internet of Things (IoT) devices, where energy efficiency and flexibility are crucial.
3. Medical devices: The TPS2085DR can be used in battery-powered medical devices, such as hearing aids, glucometers, and portable monitoring systems, where reliability and low power consumption are essential.
4. Industrial equipment: The device can be used in various industrial applications, such as motor controllers, sensor interfaces, and portable test equipment, where a wide input voltage range and high efficiency are required.
5. Consumer electronics: The TPS2085DR can be used in a variety of consumer electronics, such as wireless speakers, headphones, and gaming controllers, where space constraints and energy efficiency are important factors.