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DC/DC Converter TPS6284x from Texas Instruments

17.08.2019

Texas Instruments has announced a new TPS6284x buck converter. Converters are designed to work in portable devices from any type of batteries and accumulators.

The microcircuit has the smallest own consumption among analogues, which is only 60 nA.

Technical specifications:

Input voltage range: 1,8...6,5 V;
16 output voltage options from 1,8 to 3,3 V, programmable with a single resistor;
Rated average output current: 750 mA;
Self-consumption current: 60 nA;
Efficiency: more than 80% already at a current of 1 μA;
Operating temperature range: -40...125°С;
Package options: SON-8, WCSP-6, HVSSOP-8.

Typical applications:

Devices powered by batteries and any chemical accumulators;
Portable electronics;
Medical equipment.

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Transparent OLED display from Samsung 17.06.2015

Samsung Display has unveiled two new OLED displays with unusual features at the Retail Asia Expo 2015 in Hong Kong - one is transparent, the other is mirrored. Both displays are the first of their kind to feature OLED technology.

Both displays are intended primarily for the commercial market. The mirror display can be useful in fitting rooms at clothing stores, Samsung said.

Compared to current mirror LCDs, Samsung's new OLED panel features 50% higher reflectance, wider color gamut (NTSC 100% vs. 70%), higher contrast ratio (over 100000:1 vs. 4000:1) and faster response time (1ms versus 8ms).

All these properties allow you to display a clearer and more saturated image. In addition, the OLED display does not require external light to be clearly visible, unlike similar LCD panels.

The transparent display, in turn, can be used in car dealerships, information stands in hypermarkets, healthcare facilities, hotels and public transport, according to the company.

Compared to existing LCD-based counterparts, Samsung's transparent OLED display has 4,5 times higher transparency (45% vs. 10%). It also covers the entire NTSC color range (vs. approximately 70% for transparent LCDs), offers higher image clarity and wider viewing angles. The resolution of the mirrored OLED display is 1920 x 1080 pixels.

Samsung plans to ship new displays with an integrated Intel RealSense system. Representing an analogue of Microsoft KInect, it allows you to control the multimedia system using spatial gestures.

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