Texas Instruments

TPS61089RNRR  

DC Switching Voltage Regulators

TPS61089RNRR is a highly integrated step-down converter (buck converter) from Texas Instruments. It is designed to provide efficient power conversion in a compact form factor. Here is a description of the TPS61089RNRR, including its features and applications:

Description:

The TPS61089RNRR is a highly efficient, synchronous, step-down converter with an input voltage range of 3V to 32V and an output voltage range of 0.9V to 20V. It is available in a compact, thermally-optimized, 20-pin, 3mm x 4mm WQFN package.

Features:

1. Wide input voltage range: 3V to 32V
2. Wide output voltage range: 0.9V to 20V
3. High efficiency: up to 95% depending on the input and output voltages
4. Synchronous rectification for improved efficiency at light loads
5. Programmable soft-start to minimize inrush current
6. Precise output voltage regulation with ±1% accuracy
7. Low quiescent current: 3.5µA in normal operation and 1.5µA in power-saving mode
8. Protection features: over-current protection, over-temperature protection, and output short-circuit protection
9. Small form factor: 20-pin, 3mm x 4mm WQFN package

Applications:

1. Portable devices: smartphones, tablets, and wearables
2. IoT devices: smart home devices, sensors, and data loggers
3. Medical devices: hearing aids, portable medical instruments, and fitness trackers
4. Industrial equipment: battery-powered instruments and sensors
5. Automotive applications: infotainment systems, GPS units, and telematics devices

The TPS61089RNRR is a versatile and efficient step-down converter suitable for a wide range of applications requiring a compact form factor and high efficiency. Its wide input and output voltage ranges, along with its low quiescent current and protection features, make it an ideal choice for battery-powered devices and systems that require precise voltage regulation.

TPS61089RNRR Documents

Download datasheets and manufacturer documentation for TPS61089RNRR

Datasheets :

TPS61089(1) Datasheet      

HTML Datasheet :

TPS61089(1) Datasheet      

PCN Design/Specification :

Assembly Materials 28/Dec/2021