TI introduces wide-input power solutions with high-voltage protection

50-mA, 100-V LDO and 12-A, 60-V step-down controller provide fastest transient response, high efficiency to industrial systems

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Texas Instruments Incorporated

Apr 07, 2011, 10:53 ET

DALLAS, April 7, 2011 /PRNewswire/ -- Texas Instruments Incorporated (TI) (NYSE: TXN) expanded its industry-leading power management portfolio with two new step-down regulators with wide input voltages and high-voltage protection. The new 100-V LDO and 60-V DC/DC controller can withstand high-voltage transients, while maintaining high efficiency -- providing peace of mind to designers of low- to mid-current, high-voltage telecom and industrial designs, such as motor control, HVAC relay, smart meters and automotive after-market applications.

Highest voltage LDO

The TPS7A4001 50-mA LDO has the industry's widest input voltage tolerance with an input voltage 7 V to 100 V, and achieves an extremely fast settling time of less than 500 nanoseconds for a 50-V transient event. The device, which comes in a tiny 8-pin, thermally enhanced 3-mm x 5-mm MSOP package, has a low quiescent current of 25 uA and ensures output accuracy in a noisy environment. For samples and evaluation modules visit: www.ti.com/tps7a4001-pr.

Wide-input, 60-V buck controller

The TPS40170 synchronous step-down DC/DC controller offers a high degree of performance, efficiency and reliability, including voltage-mode control with input voltage feed-forward compensation, while supporting input voltages from 4.5 V to 60 V and output currents up to 12 A. The controller protects against voltage spikes up to 62 V, offers a fast FET on-time of 75 ns and shutdown current of 1.0 uA. The TPS40170's unique bi-directional synchronization feature eliminates system beat and EMI noise and reduces input capacitance by up to 50 percent, saving board space. The device comes in a 3.5-mm x 4.5-mm QFN, and has samples and evaluation modules available at: www.ti.com/tps40170-pr.

SWIFT™ converters with integrated FETs

In addition to the TPS40170 controller, TI provides a range of SWIFT monolithic switchers with integrated FETs to simplify design in lower current 60-V applications. The 2.5-A TPS54260, 1.5-A TPS54160 and 500-mA TPS54060 converters provide up to 95 percent efficiency to 12-, 24- and 48-V industrial and commercial designs and GSM/GPRS modules used in smart meters, fleet management and security systems. All three SWIFT converters are pin-compatible for design flexibility. For more information, visit: www.ti.com/swift-pr.

Managing system power requirements

TI's power management converters and controllers efficiently manage the system power requirements in industrial applications that use a variety of embedded processors including TI's new MSP430AFE2xx series of metrology analog-front end (AFE) ultra-low-power 16-bit MCUs, C2000™ real-time control MCUs, Stellaris® ARM® Cortex™-M MCUs, C6-Integra™ DSP+ARM processors, C6000™ high-performance DSPs and C5000™ ultra-low power DSPs.

Availability and pricing

The TPS7A4001 is available in volume now from TI in an 8-pin, 3-mm x 5-mm MSOP PowerPad™ package. Suggested resale pricing is $1.90 in 1,000-unit quantities. The TPS40170 controller comes in a 3.5-mm x 4.5-mm QFN with a suggested resale price of $2.40 in 1,000-unit quantities.

Find out more about TI's easy-to-use design tools:

Order the following evaluation modules:
- TPS7A4001 50-mA, 100-V LDO evaluation module: TPS7A4001EVM-709
- TPS40170 12-A, 60-V controller evaluation module: TPS40170EVM-578
- TPS54260 2.5-A SWIFT evaluation module: TPS54260EVM-597
- TPS54160 1.5-A, 42-V evaluation module: TPS54160EVM-230
- TPS54060 500-mA, evaluation module: TPS54060EVM-457
TI's fast, simple-to-use, downloadable SwitcherPro™ design tool
New Point-of-Load Power Solutions for Industrial Designs catalog
New Motor Drive and Control Solutions website

About Texas Instruments

Texas Instruments semiconductor innovations help 80,000 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

SWIFT, C2000, MSP430, C5000, Integra, C6000, PowerPad and SwitcherPro are trademarks of Texas Instruments. All trademarks and registered trademarks are property of their respective owners.

SOURCE Texas Instruments Incorporated