zywynZYWYN CORPORATION is a semiconductor company from Sunnyvale, California, United States.
Together with a foundry in Taiwan, strategic partner, ZYWYN develops proprietary high-voltage BiCMOS / BCD SOI technology, then designs, manufactures and markets analog integrated circuits of high added value interface.
The main categories are:
– Transceivers for RS232 and RS485 interface.
– Driver for Electroluminescent display and power control products.
– Driver for white LED.

Link to Manufacturer’s Website.