腾讯、大基金二期持股，这家模拟芯片企业启动IPO！

Core Viewpoint - Shanghai Jiyiwei Semiconductor Co., Ltd. has officially initiated its A-share IPO process after completing the listing guidance filing with the Shanghai Securities Regulatory Bureau, with Guotai Junan Securities as the guiding institution [1]. Group 1: Company Overview - Jiyiwei Semiconductor was established in August 2019 and is headquartered in Zhangjiang Microelectronics Port, Shanghai, with R&D centers in Hangzhou and Chengdu [2][3]. - The company has a registered capital of 151.9382 million yuan and a paid-in capital of 147.36185 million yuan, with no controlling shareholder [2]. Group 2: Business Focus - As a national high-tech enterprise, Jiyiwei aims to create a domestic, self-controlled high-end analog/digital mixed-signal IC design and industrialization platform, focusing on high-performance, low-power PLL, ADC/DAC, and SerDes products [3]. - The company specializes in high-speed SerDes technology, offering solutions for 56Gbps and 112Gbps PAM4 high-bandwidth interfaces, targeting the needs of high-speed wired communications, data centers, 5G, and optical communications [3]. Group 3: Intellectual Property and Funding - Jiyiwei has emphasized intellectual property development, accumulating multiple patents and software copyrights, enhancing its market competitiveness in the high-end chip sector through continuous technological innovation and commercialization [3]. - The company has completed five rounds of financing, attracting significant investments from national funds and notable industry capital, including the National Integrated Circuit Industry Investment Fund II and Tencent Investment, providing substantial financial support for its R&D and market expansion [3].