IXYS Announces High Power Digital Inrush Current Controller Reference Design Based on Zilog’s Z8F3281 MCUs and IXYS Power Semiconductors


IXYS Announces High Power Digital Inrush Current Controller Reference Design

Based on Zilog’s Z8F3281 MCUs and IXYS Power Semiconductors


Leiden, Netherlands and Milpitas CA., November 10, 2015 – IXYS Corporation (NASDAQ: IXYS), a manufacturer of power semiconductors and ICs for energy efficiency, power management, medical, transportation and consumer applications, today announced a reference design, High Power Digital Inrush Current Controller. It is based on Zilog’s 8-bit Z8F3281 microcontroller, a member of the Z8 Encore! XP F6482 series of microcontrollers and IXYS high performance power semiconductors.


This reference design demonstrates IXYS’ Digital Power Control technology at high current levels and introduces high current MOSFETs with current mirror sensors in IXYS’ proprietary Surface Mount Power Device (SMPD) package. The load current can be up to 10A while the input voltage ranges from 80VAC to 240VAC with efficiency as high as 99.4 percent,


A key advantage of this reference design is that it allows power designers to specify timing for pre-charging of the input capacitor for better efficiency and reduced noise. The use of an MCU for the control allows for design flexibility with easy programming. For a higher load current, a larger capacitor can be used to achieve a desired voltage ripple. Consequently, pre-charging may take longer to maintain the charge current within the limits.


Other features include programmable overload protection, power ‘good’ status signal, and insensitivity to power outage/brownout and ambient temperature variation. The power ‘good’ signal may be used to connect/disconnect the load using the N-channel MOSFET in the SMPD. The entire operation process and essential values are fully programmable. It may be programmed to operate at 50 Hz, 60 Hz or any other line input frequencies.


The controller can be used to develop a number of power management applications, including high power AC-DC rectifiers, AC-DC battery chargers and AC-DC Power Factor Correction (PFC) converters.


The High Power Digital Inrush Current Controller is available for purchase directly from our online IXYS store, Additional product information can be obtained by visiting the IXYS website at, or directly contacting the IXYS power applications team at 408-457-9000.


Available for purchase at IXYS STORE


About IXYS Corporation


IXYS Corporation makes and markets technology-driven products to improve power conversion efficiency, generate solar and wind power, and provide efficient motor control for industrial applications. IXYS offers a diversified product base that addresses worldwide needs for power control, electrical efficiency, renewable energy, telecommunications, medical devices, electronic displays, and RF power.

Safe Harbor Statement

Any statements contained in this press release that are not statements of historical fact, including the performance, rating, benefits, availability and suitability of products for various applications, may be deemed to be forward-looking statements.  There are a number of important factors that could cause the results of IXYS to differ materially from those indicated by these forward-looking statements, including, among others, risks detailed from time to time in the Company's SEC reports, including its Annual Report on Form 10-K for the fiscal year ended September 30, 2015.  The Company undertakes no obligation to publicly release the results of any revisions to these forward-looking statements.




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