Page 16 - Issue 2 2023

ELECTRONICS

About the author
Frederik Dostal is a power management
expert with more than 20 years of
experience in this industry. After his
studies of micro-electronics at the
University of Erlangen, Germany, he
joined National Semiconductor in 2001,
where he worked as a field applications
engineer, gaining a lot of experience
in implementing power management
solutions in customer projects. During
his time at National, he also spent four
years in Phoenix, Arizona (USA), working
on switch mode power supplies as an
applications engineer. In 2009, he joined
Analog Devices, where he has held a
Figure 3: A simplified circuit diagram of a dedicated current limiter IC. variety of positions working for the
product line and European technical
adjustable limitation modes, the internal MOSFET is always in its SOA, is not damaged support. He currently brings in his broad
and no elaborate calculations or evaluations are required. design and application knowledge as a
Limiting currents in a circuit is not a problem if suitable, highly integrated ICs are power management expert. Frederik
used. It also makes sense to combine this type of circuit with a DC-to-DC converter if works in the ADI office in Munich,
the converter doesn’t have an adjustable current limiter. Germany.

APPOINTMENTS

Trellix announces new CISO
Trellix has appointed Harold Rivas as its new CISO. The appointment is part of the company’s ongoing effort
to drive the future of extended detection and response (XDR). Harold will lead Trellix’s global security and
compliance initiatives, enabling best in class in protection against threats, managing compliance needs and
third-party risks, and implementing industry-wide best practices.
Harold brings more than two decades of cyber security experience to Trellix. He holds a Bachelor of
Science in Business Administration, Master of Business Administration, and maintains multiple industry
certifications, including a Certified Information Systems Security Professional (CISSP).

Integrity NDT Projects appoints new GM
Integrity NDT (INDT) has appointed Nomfundiso Matjila as its new general manager. Nomfundiso has been
with the Two Roads Group since 2021, where she held the role of financial manager.
She brings to the role a wealth of experience, having worked in the financial services and engineering
industry for over ten years. She holds a Professional Accountant (SA) qualification and is a member of the
South African Institute of Professional Accountants.

16 | EngineerIT Issue 2 | 2023 SUBSCRIBE FREE