Power Electronics / Power Management


Tiny boost power module

22 August 2012 Power Electronics / Power Management

Texas Instruments has introduced a tiny integrated step-up (boost) DC-DC power module for smartphones, tablets and other portable electronics. The TPS81256 MicroSiP converter integrates the inductor and input/output capacitors to achieve a solution smaller than 9 mm² and sub-1 mm height.

To meet the demand for smaller point-of-load converters, while maintaining long battery run-time with high power conversion efficiency, the 4 MHz, 600 mA module supports a 5 V output with a power density of 400 mW/mm³.

The IC extends battery life by reducing the supply current to 43 μA during light load operation. It also achieves power efficiency of greater than 90% from an input voltage of 2,5 V to 5,5 V, enabling it to efficiently manage 3 W over a full Li-Ion battery voltage range.

For more information contact EBV Electrolink, +27 (0)21 402 1940, [email protected], www.ebv.com



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