Texas Instruments' new synchronous DC/DC boost converter with integrated current-limiting switch saves space and cost in portable devices

DALLAS, Oct. 19 /PRNewswire/ -- Texas Instruments Incorporated (TI) (NYSE: TXN) today introduced two integrated products designed to provide power and protection for USB ports. The TPS2500 and TPS2501 incorporate a boost switching regulator with an onboard current-limiting switch that saves space and cost by providing an integrated solution that meets 5-V USB power requirements from a 1.8 - 5.25V input. The output current limit can be programmed via an external resistor from as low as 130 mA to as high as 1400 mA, supporting up to two USB ports from a single device.

The onboard switching regulator is a highly efficient synchronous boost converter, with greater than 94 percent efficiency for 3.3V inputs at typical USB current ranges. The TPS2500 features a pulse-skipping mode for high efficiency at light loads, while the TPS2501 employs fixed-frequency operation across the load range for EMI sensitive designs. Both devices are designed for battery powered portable devices, set top boxes, printers or any USB application without native 5V supply. For product details see: www.ti.com/tps2500-pr.

Key features and benefits of the TPS2500

    --  Integrated boost converter and switch saves space and optimizes designs
    --  Wide Vin range of 1.8 - 5.25V is optimized for single-cell Li-ion
        battery applications
    --  The auxiliary 5.1V output eliminates the need for additional 5V DC/DC
        supply
    --  Current limiting range from 0.13 - 1.4 A is the optimal current range
        for USB-powered applications

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

    --  See TI's complete power management portfolio:  www.ti.com/power-pr
    --  For the complete USB power portfolio visit: www.ti.com/usbpower-pr
    --  Ask questions and share knowledge in the power distribution Forum in
        TI's E2E Community: www.ti.com/powerdistribution-pr

Availability and pricing

The TPS2500 and TPS2501 are available now in a 10-pin SON package, priced at $1.20 in quantities of 1,000.

About Texas Instruments

Texas Instruments (NYSE: TXN) helps customers solve problems and develop new electronics that make the world smarter, healthier, safer, greener and more fun. A global semiconductor company, TI innovates through manufacturing, design and sales operations in more than 30 countries. For more information, go to www.ti.com.

Trademarks

All registered trademarks and other trademarks belong to their respective owners.

SOURCE Texas Instruments Incorporated

Web site: http://www.ti.com/




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