# Microsemi Corporation

> Microsemi supplied semiconductors and systems for aerospace, defense, communications, data centers and industrial equipment, specializing in reliability, security, power efficiency and precise timing. Acquired by Microchip Technology in May 2018, its technologies and product families continue within Microchip’s portfolio.

- **Founded:** 1959
- **Headquarters:** Aliso Viejo, United States
- **Founders:** Arthur Feldon (Co-founder), Steve Manning (Co-founder)
- **Products:** PolarFire FPGAs, RTG4 FPGAs, SmartFusion2 SoC FPGAs, TimeProvider 4100, Power over Ethernet ICs and midspans
- **Notable:** Reported fiscal 2017 net sales of $1.8118 billion., RTG4 achieved QML Class V qualification in August 2018., PolarFire launched in February 2017, with Microsemi claiming up to 50 percent lower power than competing mid-range FPGAs.

## Products & services

- **PolarFire FPGAs** — Nonvolatile programmable logic launched for power-conscious mid-range applications in communications, industrial equipment, defense and aviation.
- **RTG4 FPGAs** — Radiation-tolerant programmable logic for space signal processing; QML Class V qualification announced in August 2018.
- **SmartFusion2 SoC FPGAs** — Combines flash-based programmable logic, an Arm Cortex-M3 processor and communication interfaces.
- **TimeProvider 4100** — Precision Time Protocol grandmaster for network synchronization, including cable Remote PHY and mobile networks.
- **Power over Ethernet ICs and midspans** — Components and systems for delivering electrical power alongside data over Ethernet cabling.
- **Enterprise storage and communication solutions** — Storage controllers, connectivity and communications technologies expanded through the PMC-Sierra acquisition.
- **Analog, mixed-signal and discrete power components** — Signal-processing, power-management, RF and high-reliability component families for equipment manufacturers.
- **Libero SoC and development hardware** — FPGA design software, reference designs and evaluation boards that support hardware implementation and validation.

## Achievements

- Reported fiscal 2017 net sales of $1.8118 billion.
- RTG4 achieved QML Class V qualification in August 2018.
- PolarFire launched in February 2017, with Microsemi claiming up to 50 percent lower power than competing mid-range FPGAs.
- Won Celestica’s Best Design Partner award in 2017.
- Microchip completed its acquisition on May 29, 2018 after 99.5 percent of voted Microsemi shares supported the merger.

## Latest updates

- **2026-10** — Parent-company context: Microchip introduced the LX-820 radiation-tolerant quartz oscillator for low-Earth-orbit applications on October 22; this is not a new announcement by an independent Microsemi.
- **2026-08** — Microchip released Revision 2.0 of its PolarFire FPGA Ethernet Sensor Bridge using NVIDIA Holoscan Sensor Bridge technology, supporting up to four cameras.
- **2026-06** — Microchip announced TimePictra 12 synchronization-management software, supporting networks of up to 5,000 elements.

## Links

- Website: https://microsemi.com
- LinkedIn: https://www.linkedin.com/company/microsemi
- Twitter/X: https://twitter.com/pmcmicrosemi
- GitHub: https://github.com/RISCV-on-Microsemi-FPGA
- YouTube: https://www.youtube.com/user/MicrosemiCorp

---

Profile page: https://yespress.io/microsemi-corporation
Published by YesPress — https://yespress.io
Last updated: 2026-10-23