Microsemi PLC Line Driver Along with STreamPlug SoC from STMicroelectronics Used in the MEVSE Module Developed by Tatung for Electric Vehicle Supply Equipment Featuring Vehicle-to-grid Communication

ALISO VIEJO, Calif., Jan. 7, 2015 — (PRNewswire) —  Microsemi Corporation (Nasdaq: MSCC), a leading provider of semiconductor solutions differentiated by power, security, reliability and performance, today announced its collaboration with STMicroelectronics on a new electric vehicle car charger solution using Microsemi's innovative PLC line driver. This is the first of several solutions targeting systems architects and designers who develop solutions for the Internet of Things (IoT). The initial collaboration, the module for electric vehicle supply equipment (MEVSE) featuring vehicle-to-grid (V2G) communication and support for a wide range of network and application protocols from Tatung, utilizes the Microsemi Le87501 PLC line driver and the ST2100 STreamPlug SoC from ST, along with a new proprietary state Machine, event-driven- (SMED) based digital power controller and is supported by the OpenV2G software stack.

The Microsemi Le87501 PLC drivers are based on Microsemi's proprietary high-speed, high-voltage bipolar process technology, which enables significant performance and cost savings over currently used technologies. Microsemi's industry-leading devices have also been selected by ST for reference designs for its recently announced ST2100 STreamPlug SoC products used in applications where high integration levels and computation performance are required, such as consumer home area networks (HANs), industrial and smart-grid applications.

"Microsemi's high-performance line drivers, along with the STreamPlug SoC, provide a world-class IoT total solution, enabling faster development of innovative power management systems," said Shahin Sadeghi, director of marketing and applications at Microsemi.

This is the first collaboration between ST and Microsemi targeting IoT. According to IDC, IoT technology and services spending will generate global revenues of $8.9 trillion by 2020, growing at a compound annual rate (CAGR) of 7.9 percent. Microsemi and ST are enabling additional capabilities with the use of the Microsemi Timberwolf audio processors for command and control as well as audio sensing. The Timberwolf DSP platform enables Microsemi to leverage its extensive expertise and leadership in voice communications to bridge into new and emerging hands-free applications that require clear speech, free of noise and echo.

The world's first intelligent-gateway SoC, ST's ST2100 STreamPlug combines a high-performance processing subsystem with power line communication (PLC), security and peripheral features to support hybrid networks utilizing popular wired and wireless standards, including HomePlug® AV and HomePlug Green PHY. The STreamPlug SoC also integrates a PLC modem and analog front end.

"The ST2100-based platform was developed to enable industrial IoT applications," said Oleg Logvinov, director Special Assignments for Industrial and Power Conversion Division, STMicroelectronics. "Its value to the market is being clearly demonstrated in its adoption by Microsemi and Tatung to address new applications and markets that include electrical vehicle charging and the smart home."

These solutions will be shown at the Microsemi suite and in ST's private suite in Las Vegas during the 2015 CES, Jan. 6-8, 2015 in the Embassy Suites Executive Boardroom, located at 3600 Paradise Road in Las Vegas.

About the Le87501 Line Driver
The Le87501 is a single channel line driver designed to work in HomePlug Alliance HPAV2 systems. When enabled, the operation can be set to full, 90 percent or 80 percent power. The Le87501 delivers superior performance and can drive a line impedance of 100ohms down to 12ohms through a proper transformer. In addition, the Le87501 features a standby state which forces the driver into a long-term sleep mode.

Features:

• Small 16-pin, 4x4 mm QFN Package
• Low Power Operation
• Class AB Operation
• Enable/Disable Control
• Capable of Driving Line Impedance Between 12ohmsto 100ohms
• Operation to 86 MHz
• RoHS-compliant

Additional product information is available at: http://www.microsemi.com/products/diversified-analog-and-line-drivers.

About the STMicroelectronics STreamPlug ST2100
The STreamPlug ST2100 device is ST's broadband PLC solution, based on the powerful ARM926EJ-S™ processor (up to 333 MHz), widely used in applications where high computation performance is required, such as consumer HAN, industrial and smart grid applications.

In addition, the STreamPlug ST2100 has a memory management unit (MMU) that allows virtual memory management—making the system compliant with the Linux® operating system. It also offers 16 Kbyte of data cache, 32 Kbyte of instruction cache, JTAG and ETM™ (Embedded Trace Macrocell™) for debug operations.

About Microsemi
Microsemi Corporation (Nasdaq: MSCC) offers a comprehensive portfolio of semiconductor and system solutions for communications, defense & security, aerospace and industrial markets. Products include high-performance and radiation-hardened analog mixed-signal integrated circuits, FPGAs, SoCs and ASICs; power management products; timing and synchronization devices and precise time solutions, setting the world's standard for time; voice processing devices; RF solutions; discrete components; security technologies and scalable anti-tamper products; Power-over-Ethernet ICs and midspans; as well as custom design capabilities and services. Microsemi is headquartered in Aliso Viejo, Calif., and has approximately 3,400 employees globally. Learn more at www.microsemi.com.

Microsemi and the Microsemi logo are registered trademarks or service marks of Microsemi Corporation and/or its affiliates. Third-party trademarks and service marks mentioned herein are the property of their respective owners.

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Any statements set forth in this news release that are not entirely historical and factual in nature, including without limitation statements related to its collaboration with STMicroelectronics on a new electric vehicle car charger solution using Microsemi's Innovative PLC line driver, and its potential effects on future business, are forward-looking statements. These forward-looking statements are based on our current expectations and are inherently subject to risks and uncertainties that could cause actual results to differ materially from those expressed in the forward-looking statements. The potential risks and uncertainties include, but are not limited to, such factors as rapidly changing technology and product obsolescence, potential cost increases, variations in customer order preferences, weakness or competitive pricing environment of the marketplace, uncertain demand for and acceptance of the company's products, adverse circumstances in any of our end markets, results of in-process or planned development or marketing and promotional campaigns, difficulties foreseeing future demand, potential non-realization of expected orders or non-realization of backlog, product returns, product liability, and other potential unexpected business and economic conditions or adverse changes in current or expected industry conditions, difficulties and costs of protecting patents and other proprietary rights, inventory obsolescence and difficulties regarding customer qualification of products. In addition to these factors and any other factors mentioned elsewhere in this news release, the reader should refer as well to the factors, uncertainties or risks identified in the company's most recent Form 10-K and all subsequent Form 10-Q reports filed by Microsemi with the SEC. Additional risk factors may be identified from time to time in Microsemi's future filings. The forward-looking statements included in this release speak only as of the date hereof, and Microsemi does not undertake any obligation to update these forward-looking statements to reflect subsequent events or circumstances.

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SOURCE Microsemi Corporation

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Microsemi Corporation EDITORIAL CONTACTS, Richard Round, Sr. Manager, Marketing Communications 949.380.6135, Beth P. Quezada, Communications Manager, 949.380.6102 Email Contact Web: http://www.microsemi.com