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TI's power modules integrate DC/DC converter, inductor

Posted: 28 Sep 2012 ?? ?Print Version ?Bookmark and Share

Keywords:power module? 65-V transient protection? TPS84259? split-rail data converters? FPGAs?

Texas Instruments Inc. has introduced a new power module with 65-V transient protection. The module integrates a DC/DC converter, inductor and passives in a very small, easy-to-use package.

Meeting the EN55022 Class B electromagnetic emissions standards, the 2.5-A TPS84250 features frequency synchronisation to power noise-sensitive analogue circuits in test and measurement, industrial motor control, medical and imaging applications.

The TPS84250 step-down power module supports input voltages from 7 V to 50 V and provides a positive output voltage from 2.5 V to 15 V in a small, thin 9-mm by 11-mmpackage.

For applications that require a negative output voltage, TI offers the TPS84259 4.5-V to 40-V input, up to 15-W power module with frequency synchronisation and low electromagnetic interference (EMI). This new power module provides output voltage down to -17 V for powering sensors, bipolar amplifiers, split-rail data converters and other analogue circuits. For clean, low-noise voltage rails, the TPS84250 and TPS84259 modules can be paired with wide-input voltage linear regulators such as the 1-A, 36-V TPS7A4700 and 1-A, -36-V TPS7A3301.

The TPS84250 and TPS84259 join TI's TPS84k power module family, which also provide power for DSPs and FPGAs that require lower input voltages. TI offers variety of tools and support to speed design, including circuit topology calculators for the TPS84250 and TPS84259.

The TPS84250 and TPS84259 power modules are available in volume now from TI and its authorised distributors. They are offered in a 41-lead QFNpackage and are priced at US$5.25 and US$6.00, respectively, in 1,000-unit quantities.

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