Allegro MicroSystems
NASDAQ:ALGMAllegro MicroSystems, Inc., together with its subsidiaries, designs, develops, manufactures, and markets sensor integrated circuits (ICs) and application-specific analog power ICs for motion control and energy-efficient systems. Its products include magnetic sensor ICs, such as position, speed, and current sensor ICs; power ICs comprising motor driver ICs, regulator and LED driver ICs, and isolated gate drivers; and photonic and advanced 3D sensing components. The company sells its products to original equipment manufacturers and suppliers primarily in the automotive and industrial markets through its direct sales force, third party distributors, independent sales representatives, and consignment. It operates in the United States, rest of the Americas, Europe, Japan, Greater China, South Korea, and other Asian markets. The company was founded in 1990 and is headquartered in Manchester, New Hampshire. Allegro MicroSystems, Inc. is a subsidiary of Sanken Electric Co., Ltd.
Amkor Technology
NASDAQ:AMKRAmkor Technology, Inc. provides outsourced semiconductor packaging and test services in the United States, Japan, Europe, the Middle East, Africa, and the Asia Pacific. It offers turnkey packaging and test services, including semiconductor wafer bump, wafer probe, wafer back-grind, package design, packaging, system-level and final test, and drop shipment services; flip chip scale package products for smartphones, tablets, and other mobile consumer electronic devices; flip chip stacked chip scale packages that are used to stack memory digital baseband, and as applications processors in mobile devices; flip-chip ball grid array packages for various networking, storage, computing, automotive, and consumer applications; and memory products for system memory or platform data storage. The company also provides wafer-level CSP packages for power management, transceivers, sensors, wireless charging, codecs, radar, and specialty silicon; wafer-level fan-out packages used in power management, transceivers, radar, and specialty silicon; silicon wafer integrated fan-out technology that replaces a laminate substrate with a thinner structure; leadframe packages for electronic devices and mixed-signal applications; and substrate-based wirebond packages used to connect a die to a substrate. In addition, it offers micro-electro-mechanical systems packages that are miniaturized mechanical and electromechanical devices; and advanced system-in-package modules used in radio frequency and front end modules, basebands, connectivity, fingerprint sensors, display and touch screen drivers, sensors and MEMS, and NAND memory and solid-state drives. Further, the company provides wafer, package, and system level test services, as well as burn-in test and test development services. It serves integrated device manufacturers, fabless semiconductor companies, original equipment manufacturers, and contract foundries. The company was founded in 1968 and is headquartered in Tempe, Arizona.
Cirrus Logic
NASDAQ:CRUSCirrus Logic, Inc., a fabless semiconductor company, develops low-power, high-precision mixed-signal processing solutions in China, the United States, and internationally. The company offers audio products, including codecs components that integrate analog-to-digital converters (ADCs) and digital-to-analog converters (DACs) into a single integrated circuit (IC); smart codecs, a codec with digital signal processing; boosted amplifiers; standalone digital signal processors; and SoundClear technology, which consists of a portfolio of tools, software, and algorithms that helps to enhance user experience with features, such as louder, high-fidelity sound, audio playback, voice capture, and hearing augmentation. Its audio products are used in smartphones, tablets, laptops, AR/VR headsets, home theater systems, automotive entertainment systems, and professional audio systems. It also provides high-performance mixed-signal products comprising camera controllers, haptic and sensing solutions, and battery and power ICs for use in legacy industrial and energy applications, such as digital utility meters, power supplies, energy control, energy measurement, and energy exploration. The company markets and sells its products through direct sales force, external sales representatives, and distributors. Cirrus Logic, Inc. was incorporated in 1984 and is headquartered in Austin, Texas.
Power Integrations
NASDAQ:POWIPower Integrations, Inc. designs, develops, manufactures, and markets analog and mixed-signal integrated circuits (ICs), and other electronic components and circuitry used in high-voltage power conversion worldwide. The company provides a range of alternating current to direct current power conversion products that address power supply ranging from less than one watt of output to approximately 500 watts of output for mobile-device chargers, consumer appliances, utility meters, LCD monitors, main and standby power supplies for desktop computers and TVs, LED lighting, and various other consumer and industrial applications, as well as power conversion in high-power applications comprising industrial motors, solar and wind-power systems, electric vehicles, and high-voltage DC transmission systems. It also offers high-voltage diodes; InnoSwitch IC for electric vehicles; high-voltage gate-driver products used to operate high-voltage switches, such as insulated-gate bipolar transistors and silicon-carbide MOSFETs under the SCALE and SCALE-2 product-family names; and SCALE-iDriver for use in powertrain and charging applications for electric vehicles. In addition, the company provides motor-driver ICs for use in refrigerator compressors, ceiling fans, and air purifiers, as well as pumps, fans, and blowers used in consumer appliances, such as dishwashers and laundry machines. It serves communications, computer, consumer, and industrial markets. The company sells its products to original equipment manufacturers and merchant power supply manufacturers through direct sales staff, as well as a network of independent sales representatives and distributors. Power Integrations, Inc. was incorporated in 1988 and is headquartered in San Jose, California.
SiTime
NASDAQ:SITMSiTime Corporation designs, develops, and sells silicon timing systems solutions in Taiwan, Hong Kong, the United States, Singapore, and internationally. The company provides resonators and clock integrated circuits, and various types of oscillators. It serves various markets, including communications, datacenter, enterprise, automotive, industrial, internet of things, mobile, consumer, and aerospace and defense. The company sells its products directly to customers, distributors, and resellers. SiTime Corporation was incorporated in 2003 and is based in Santa Clara, California.