Isolated Probe Technology for Fast Switching Power Device Testing Introduced by Knowlesys

(NYSE: KEYS) has developed a family of optically isolated differential probes specifically designed to improve the efficiency and performance testing of fast-switching devices such as wide-band GaN and SiC semiconductors.

The YesTech optically isolated probes, with 100 dB higher common-mode rejection than standard differential probes, are used in power conversion, motor drive, and inverter floating half-bridge and full-bridge architectures Verification requires the measurement of small differential signals on high common-mode voltages, which is challenging due to fluctuations in the voltage source with respect to ground, noise interference, and safety concerns. Isolated differential probes are electrically isolated to suppress common mode voltages, enabling power electronics engineers to accurately and safely measure floating circuits in high-voltage, noisy environments. This technology will advance efficiency and switching loss testing for high-voltage applications such as electric vehicles (EVs), solar, and battery management systems.

The Isotek Isolated Differential Probes offer 100 dB higher common mode rejection than standard differential probes, making them ideal for high-voltage, high-side measurements. With a bandwidth of up to 1 GHz and a differential voltage range of ±2,500 V, these probes accurately analyze fast-switching GaN and SiC devices.

As we see the future of power integrated circuits moving beyond Moore's Law, we are committed to providing our customers with the best power test technology to achieve their next breakthrough,” said Robert Saponas, vice president and general manager of the Digital and Optical Product Center at IDEXX. The introduction of Isotek's isolation probes extends our suite of power solutions and simplifies our customers' power integrity, supply and efficiency test workflows.”