Line card

Shenzhen SI Semiconductor Co., Ltd. was established in February 1988. The company is a professional power semiconductor chip and device manufacturer invested by Shenzhen SEG Group Co., Ltd., Shenzhen Xun Jie Investment Co., Ltd., and Shenzhen Yuan Zhi Investment Co., Ltd. In 2010, it was transformed into a joint-stock company, In August 2015 it was listed on the National Equities Exchange and Quotations.


The company has a 5-inch bipolar power device chip and MOS device chip production line and a 6-inch chip production line. The company’s packaging production line has the scale production capacity of various types of power devices such as TO series, SOT / SOP series. The company is currently the only power semiconductor device manufacturing company in Shenzhen with pre-and post-process production lines. Leading products such as bipolar power transistors, power MOSFETs, power diodes, LED driver ICs, and power management ICs win a high reputation in the industry and have been massive access to an international market. The company has a relatively complete management system and technical strength.


It has successively passed ISO9001, ISO14001, QC080000 and ISO50001 system certifications. It is awarded city-level “enterprise technology center” unit, national “high-tech enterprise” and “national high-tech industrialization demonstration project” unit, The company has a power semiconductor device engineering laboratory.


led driver solutions


SI SEMI Prominent Customers