Microsemi

Microsemi Corporation is an American manufacturer of semiconductor and system solutions for communications, data center, defense & security, aerospace and industrial markets. Microsemi Corporation, a wholly owned subsidiary of Microchip Technology Inc. (Nasdaq: MCHP), 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; enterprise storage and communication solutions, security technologies and scalable anti-tamper products; Ethernet solutions; Power-over-Ethernet ICs and midspans; as well as custom design capabilities and services. Microsemi is headquartered in Aliso Viejo, California.

Microsemi provides comprehensive semiconductor and system solutions serving the communications, defense and security, aerospace, and industrial markets. Its product lineup features high-performance and radiation-hardened analog mixed-signal ICs, FPGAs, SoCs, ASICs, and advanced power management products. The company also offers timing and synchronization devices—including precise time solutions that set global standards—alongside voice processing, RF, and discrete components. Additional offerings include enterprise storage and communication solutions, security and anti-tamper technologies, Ethernet and Power-over-Ethernet (PoE) ICs and midspans, as well as custom design services. Headquartered in Aliso Viejo, California, Microsemi is recognized for its expertise in delivering reliable and energy-efficient semiconductor technologies.

Among its flagship product families are SmartFusion and PolarFire FPGAs, designed for applications that demand low power consumption and high reliability. The SmartFusion series integrates an ARM Cortex-M3 processor within the FPGA fabric, enabling efficient embedded processing. The PolarFire line emphasizes low power operation with strong performance, ideal for telecommunications, automotive, and industrial applications.

In the analog domain, Microsemi produces precision operational amplifiers and voltage references optimized for accuracy and long-term stability, supporting critical industrial and communications systems. Its power management solutions include AC-DC and DC-DC converters that feature advanced control architectures for high efficiency and reduced thermal output—key requirements in telecommunications and data center environments. The company also develops high-precision timing and synchronization technologies, such as atomic clocks and GPS-disciplined oscillators, essential for communication networks and aerospace systems.