Shenzhen Wanxin Microelectronics Co., Ltd. is a professional semiconductor enterprise integrating R&D, production and sales of power discrete devices and analog power management ICs, headquartered in Shenzhen, benefiting from the city’s complete electronics industrial cluster.

The company focuses on domestic substitution of semiconductor components, with core product portfolio covering MOSFET, LDO linear regulators, DC-DC switching power ICs and various protection circuit ICs including lithium battery protection IC, ESD & TVS protection chips. Thousands of standardized product models are available, and customized industrial & automotive-grade chip solutions are supported.

Main Product Lines

MOSFET: Low & medium voltage signal MOS, high-power switching MOS and high-voltage automotive MOS with mainstream packages like SOT-23, SOP-8, TO-252, widely used in switching power supplies and motor drivers.

Power Management IC: Full-series LDO, step-up/step-down DC-DC, charging management IC and reset IC, ranging from consumer grade to wide-voltage industrial grade.

Protection ICs: Li-ion battery protection IC, overvoltage/overcurrent/short-circuit protection chips, ESD & TVS transient voltage suppressors for circuit safety design.

New Product R&D: We are developing high-voltage power management ICs compatible with SiC devices to expand high-voltage new-energy product layout.

Application Fields

Our products are extensively applied in new energy vehicles, photovoltaic energy storage, industrial control power supplies, smart home appliances, consumer electronics, power tools and IoT equipment. We serve domestic manufacturers across the Pearl River Delta and expand overseas markets including Southeast Asia.

Quality & Technical Advantage

We maintain stable cooperation with trusted domestic wafer fabrication and packaging & testing factories, implementing strict full-process quality control from incoming inspection to finished product aging test. Part of our products comply with AEC-Q101 automotive specifications. Our experienced engineering team provides one-stop technical service including component selection, schematic optimization, sample verification and EMC improvement for customers.

Corporate Vision

Adhering to the philosophy of Quality-oriented & Technology-driven, Wanxin Micro keeps investing in automotive-grade chips and SiC-matched high-voltage power IC development, striving to become a reliable comprehensive supplier of power semiconductors and power management ICs in China.