IXYS Announces High Power Two-Phase Digital Power Factor Correction Reference Design Based on Zilog’s Z8F6481 MCU and IXYS ...
October 06 2016 - 8:30AM
IXYS Corporation (NASDAQ:IXYS), a manufacturer of power
semiconductors and ICs for energy efficiency, power management,
medical, transportation and consumer applications, today announced
the IXRD1004 - High Power Two-Phase Digital Power Factor Correction
(PFC) reference design. It is based on Zilog’s 8-bit Z8F6481
microcontroller, a member of the Z8 Encore! XP F6482 series of
microcontrollers, and IXYS power transistors and rectifiers.
The PFC uses a two-phase, interleaved boost-type
conversion architecture, and a high power factor is achieved by
adjusting the peak current value with respect to the rectified
input voltage. The inrush current at the start-up is digitally
controlled and the bulk capacitor is pre-charged using a switching
MOSFET. It incorporates the digital inrush current concepts
demonstrated in another IXYS reference design, the IXRD1002 High
Power Digital Inrush Current Controller.
The input voltage of the PFC ranges from 105VAC
to 140VAC while the output voltage is at 400V. The maximum
output power is 1.06kW with the load current at 2.65A. The 3
switches needed in this design are realized using IXYS’ latest 650
Ultra Junction Power MOSFETs, the IXTH34N65X2 and IXTH80N65X2.
This reference design consists of a
microcontroller module and main power board. Designed as an add-on
device, the MCU module includes two 8-bit MCUs that generate the
gate control signals to maintain current balance between the two
interleaved conversion phases. It also enables a high efficiency in
a wide range of loads, keeps the output voltage stable, and
provides overload and overvoltage protection functions.
“This reference design demonstrates the
incorporation of low cost MCUs into the power control loop, which
significantly improves the efficiency and reliability of power
systems through the whole power range. This also demonstrates the
depth of IXYS products that enable our customer to get the total
solution from us for power systems designs,” commented Steve
Darrough, VP of Marketing.
Well suited for high power (1kW and above) AC-DC
converters with active PFCs, the IXRD1004 provides a platform for
developing a number of power management solutions such as electric
vehicle chargers, air conditioning systems, high-power LED
lighting, and wielding equipment.
The High Power Digital Two-Phase PFC reference
design is available for purchase directly from IXYS’ online store,
http://www.shop.ixolarcells.com. Additional product information can
be obtained by visiting the IXYS website at http://www.ixys.com or
by contacting the company directly.
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, efficiency, reliability,
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 Report on Form
10-Q for the fiscal quarter ended June 30, 2016. The Company
undertakes no obligation to publicly release the results of any
revisions to these forward-looking statements.
Nyan Tin
IXYS Corporation
1590 Buckeye Drive
Milpitas, CA 95035
Tel: (408) 457-9000
Email: sales@ixys.net
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