Product Review
TI offers integrated small size boost power module
Nicolas Mokhoff7/17/2012 2:39 PM EDT
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Texas Instruments introduced what it considers the industry’s smallest 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 occupy less than 9-mm2 and be sub-1 mm in height
The 4-MHz, 600-mA TPS81256 module supports a 5-V output with a power density of 400 mW/mm3. The device extends battery life by reducing the supply current to 43 uA during light load operation. The TPS81256 also achieves power efficiency of greater than 90 percent 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.
The module is available is priced at $1.70 in quantities of 1,000. The TPS81256EVM-121 evaluation module is also available.
The TPS81256 MicroSiP converter integrates the inductor and input/output capacitors to occupy less than 9-mm2 and be sub-1 mm in height
The 4-MHz, 600-mA TPS81256 module supports a 5-V output with a power density of 400 mW/mm3. The device extends battery life by reducing the supply current to 43 uA during light load operation. The TPS81256 also achieves power efficiency of greater than 90 percent 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.
The module is available is priced at $1.70 in quantities of 1,000. The TPS81256EVM-121 evaluation module is also available.
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