TI's new 28-V, 500-mA step-down converter provides highest efficiency at light loads Simple-to-use regulator with DCS-Control™ supports 12-V, 15-V and 24-V point-of-load applications, such as sensors and smart meters

DALLAS, Oct. 24, 2012 /PRNewswire/ -- Texas Instruments Incorporated (TI) (NASDAQ: TXN) today introduced a synchronous, 28-V, 500-mA step-down DC/DC converter that can operate at less than 5 uA during "sleep" mode. The new TPS62175 maintains high efficiency during light load operation, while supporting ultra-low power microcontrollers that operate in 12-V, 15-V and 24-V applications, such as industrial sensor, smart meter, medical and wireless power transmission designs. For samples, WEBENCH® design tool and evaluation module, visit: www.ti.com/tps62175-pr.

Key features and benefits of TPS62175:

  • Highest efficiency at light loads: Achieves greater than 70-percent efficiency at 100 uA; operates with less than 5-uA quiescent current in sleep mode and 20 uA typically in regular mode.
  • Supports microcontroller systems with extreme standby power requirements and output voltage accuracy: Supports TI's Stellaris® ARM® Cortex™-M4F series of microcontrollers.
  • Smallest solution: Requires only three cost-efficient external components; and comes in a tiny 2-mm by 3-mm WSON package with a 68-mm2 total solution size.  

DCS-Control technology

The TPS62175 features TI's patented DCS-Control regulation topology, which combines hysteretic and voltage-mode control in a single device, resulting in excellent AC line and transient load regulation. DCS-Control also provides DC accuracy through a voltage feedback loop, and creates a seamless transition between high- and light-load (power save) operation.

Availability and pricing

The TPS62175 comes in a 10-pin, 2-mm by 3-mm WSON package and is priced at US$0.95 in 1,000-unit quantities. Designers can order the TPS62175EVM-098 evaluation module to test the device's operation and functionality when converting from 4.75 V to 28 V to a regulated 3.3-V output voltage.

Find out more about TI's power portfolio by visiting the below links:

About Texas Instruments

Texas Instruments semiconductor innovations help 90,000 customers unlock the possibilities of the world as it could be – smarter, safer, greener, healthier and more fun. Our commitment to building a better future is ingrained in everything we do – from the responsible manufacturing of our semiconductors, to caring for our employees, to giving back inside our communities. This is just the beginning of our story. Learn more at www.ti.com.

Trademarks

WEBENCH, Stellaris, PowerLab, DCS-Control and TI E2E are trademarks of Texas Instruments. All registered trademarks and other trademarks belong to their respective owners.

SOURCE Texas Instruments Incorporated



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