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Posts Tagged ‘dc/dc’

PRECIsion Power SUpply project

Friday, August 18th, 2017

PreciPSU, a high performance power supply project from Mare & Gal Electronics: PreciPSU is an attempt to build high performance power supply. The idea started few years ago but it was never realised. Some major target performance specs are as follows: three isolated channels around 50W per channel 24V/3A output per channel...

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Posted in power supply | 1 Comment »

Powering projects from Li-polymer cells

Thursday, August 23rd, 2012

Sjaak gave an example of powering a project from Li-polymer cells. His design uses the MCP73811 to handle the charging, while the TPS61200 DC/DC converter maintains 3.3V on it's output regardless of the battery voltage. Via the forum.

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Eagle Parts: TPS6120x DC/DC converter and KSZ8851SN Ethernet controller in a QFN packages

Tuesday, July 31st, 2012

Today we added two relatively hard-to-solder parts to our library. Both come in QFN lead-less packages. First is the Texas Instrument's TPS6120x DC/DC converter (pictured above)  with an integrated switch. The second is the Micrel KSZ8851SN embedded Ethernet controller (pictured below). (more…)

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Posted in Eagle parts | 3 Comments »

App note: Understanding switch-mode boost power stages

Sunday, October 16th, 2011

Boosting DC voltage is required in many applications, like LCD backlight, powering a 5v device with a battery and many more. This app note from Texas Instruments gives a detailed explanation on how it works and how to calculate all your components based on input/output specifications. The report includes detailed steady-stage and small-signal...

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