
From toys to construction site tools OLogic accelerates robotic ideas from concept to production
OLogic extols high-density power modules to drive today’s robotic revolution
Industrial solutions and case studies
Case study: Portable X-ray system
New solid-state X-ray technology allows medical X-ray scanners to be more portable and battery operated, enabling medical professionals to check patients in any location. Medical X-rays typically need a short pulse of high-intensity radiation energy, which can conveniently be stored and supplied to the X-ray diode by a supercapacitor, in this case charged to 28V. Normally the 28V would be sourced from a number of Li-ion batteries in series. However, in a portable application, this type of battery array and charging system is too large and too heavy. The key goals were:
Use of a bi-directional DC-DC converter reduced the battery array to just one 2.7V Li-ion cell, reducing size and weight significantly compared to a typical boost converter solution. In addition, the bi-directional converter delivered higher efficiencies when charging the supercapacitor from a low voltage source, extending battery life. Key benefits were:
A Vicor VTM, operating in reverse, stepped-up the 2.7V input to provide a nominal 32V rail with an efficiency of more than 94%. For the supercapacitor charging circuit, a ZVS Buck-Boost converter regulated the 32V and provided the necessary current limiting. This architecture was accomplished in a footprint of just 8.6cm2. To analyze this power chain, go to Vicor Whiteboard online tool.
From toys to construction site tools OLogic accelerates robotic ideas from concept to production
OLogic extols high-density power modules to drive today’s robotic revolution
Ampaire社の環境に優しい空の旅
Ampaire社は、CO²排出量を削減する、環境に優しいハイブリッド電動航空機を開発しています。
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