etatronix develops inductive tablet system solution for Siemens CT scanners
etatronix, the specialist for customer-specific wireless power transmission systems for medical, industrial and measurement technology based in Germany, developed the inductive charging solution for the mobile workflow tablet of the Somatom X.cite computer tomography line for Siemens Healthineers.
Both the electronics and the required plastic enclosure were newly developed by etatronix. The input is fed from 24VDC. At the output there is a USB Type‑C connection with a variable output voltage (5V-20V) and a power of up to 60W. There is also a 15W version available.
The power is transmitted without contact over a distance of up to 12.5mm. The efficiency reaches values of up to 92%. Customer-specific interfaces (e.g. CAN) and parallel data transmission are also available.
Particularly high demands were placed on the magnetic field limit values. As an example, common systems measure the magnetic field at a defined distance of 20cm. Due to the fact that the user touches the tablet, the magnetic field has been reduced to such an extent that it stays below common limits also at the surface of the tablet-screen.
Another requirement for this turnkey task was global module approval, which provides Siemens Healthineers the advantage of a facilitate market introduction when used in several devices. The system complies with radio approvals such as e.g. CE (RED), FCC and ICED to name a few.
In this project, etatronix supplies everything from a single source. From development to prototypes, global product approvals, series production and after-sales service.