/Student project: Start-up circuit for current-mode rectifiers

Student project: Start-up circuit for current-mode rectifiers

Research & development - Eindhoven | More than two weeks ago

In this project, we will explore and develop different options for a start-up circuit for current-mode rectifiers that can enable the rectifier to start working from zero DC supply level and at low available powers.

Student project: Start-up circuit for current-mode rectifiers

What you will do

In the field of wireless power telemetry to implantable devices, current-mode rectifiers are an emerging and promising circuit structure for converting AC wireless power to DC supply voltage. However, starting with zero supply voltage comes with some challenges that need to further be explored. Especially, with low available wireless powers, conventional start-up circuits are not suitable.  
The main challenge that needs to be addressed is to design a start-up circuit that works for a wide range of available wireless power without degrading the efficiency of the main current-mode rectifier.

In this project, you will explore and develop a novel start-up circuit to address the aforementioned challenges based on analog/mixed-signal circuits. You will conduct a feasibility study followed by circuit design and layout. If the development fits the project need, there is an option to tapeout the circuit.

The tasks in this project include:

  • Literature study of the state-of-the-art rectifiers.
  • Modelling and comparison of different start-up circuits for current-mode rectifiers.
  • Schematic and layout design in Cadence.
  • Tape-out and measurement of the chip (if time permits).

What we do for you

As one of the world-class research institutes, we are the center of excellence in nano-electronics design for the Internet of Things and Healthcare applications. In this internship project, you will be working on a cutting-edge research project, under the supervision of world-class researchers from diverse backgrounds.  Furthermore, you may also get the opportunity to do hands-on experiments with a tape-out if time permits.

Who you are

  • You are a MSc student in Electronics Engineering.
  • You are available for at least 8 months.
  • You have knowledge of analog/mixed-signal circuits through course and/or project work.
  • You have knowledge of advanced CMOS technology.
  • You have a strong interest in analog IC design, especially in power management circuits.
  • You are familiar with Cadence design environment.
  • Familiarity with MATLAB or Python is a plus.
  • You are entitled to do an internship in the Netherlands.
  • You are a self-starter and able to work independently.
  • Good written and verbal English skills.


Does this project sound like an interesting next step in your career at imec? Don’t hesitate to submit your application by clicking on ‘APPLY NOW’.
Should you have more questions about the recruitment process, you can contact Martijn Kohl, he will be happy to assist you.

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