Monolithic Power Systems (MPS) is a high performance analog
semiconductor company headquartered in San Jose, California. Formed in
1997, the company has three core strengths; deep system-level and
applications knowledge, strong analog design expertise, and an
innovative proprietary process technology. These combined advantages
enable MPS to deliver highly integrated monolithic products that offer
energy efficient, cost-effective solutions.
MPS is a fables
semiconductor company, working with third party foundries. However, in
contrast to many other fables companies that use standard process
technologies, MPS works with its foundry partners to install its own
proprietary process technology in their facilities for use solely by
MPS.
http://www.monolithicpower.com/default.aspx
Holtek Semiconductor is a leading professional IC design house in Taiwan
having its major business activities focused in the area of
microcontroller and peripheral component design and marketing. From its
origins in 1998, the company has continuously focused its energies in
the advancement of new product development and skills innovation. The
company’s ability to keep in line with market trends, has given Holtek
the means of releasing a wide range of highly successful and extremely
competitive IC devices.
http://www.holtek.com.tw/en/numindex
Nisshinbo Micro Device Inc. is a high performance analog
semiconductor company headquartered in Tokio, Japan. The company is focused on development and production of high quality
OPAmps, Power Management IC, audio and RF device. Using bipolar, CMOS and BCD technology
Nisshinbo provides a wide range of products for consumer as well for
industrial and automotive application.
Using own factories and
technology they can commit for long term supply and also customer made
device with high quality standards.
https://www.nisshinbo-microdevices.co.jp/en/