Several producers nowadays offer power supplies with a high power density (W/cm3).
However, perhaps the biggest challenge is a miniature power supply with a power of a few Watts. It´s because even these smallest power supplies need practically the same components as the bigger sources need (just less powerful, of course). Still, the dimensions of these “weaker” components are usually only slightly smaller than powerful ones.
In this case, the new TracoPower TMPS 03 series brings a literally new dimension. Dimensions 1x1 inch (25.4mm) and a height of only 15.3mm enable usage of TMPS modules even in devices where every cm3 is precious.
A big advantage is that the TMPS module is capable of a short-time (< 30 s) repetitive operation delivering up to 30% higher power (while maintaining average total power of 3W). This can be valued for devices requiring higher start-up current or driving small motors and similar. In addition, TMPS easily meets requirements for a small standby power consumption, as it only needs 0,15 W in the no-load condition.
TMPS series module can be sourced from “any” AC mains line (85-264VAC) and even from a DC line (120-370VDC).
Further technical details can be found in the Traco TMPS datasheet. On stock, we have the TMPS03-105 version (5V/0.6A), and soon other types will be added.
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The article has been updated on 09/10/2020. The original article was first published on 02/11/2015. When you issue article on your website, please give its source: https://www.soselectronic.com/en/articles/tracopower/tracopower-one-inch-will-provide-you-3-watts-1664
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