Legend Silicon operates through Legend Silicon Semiconductor (Nanjing) Co., Ltd., a fabless semiconductor company focused on high-performance power-management chips. Based on low-power and ultra-high conversion-efficiency technologies, it provides customers with complete solutions for power supply and battery charging/discharging. Its product line includes high-voltage low-power solutions covering the 24 V to 100 V range, mainly for industrial power supplies used in security, fire protection and smart acquisition terminals; and low-voltage ultra-low-standby-power solutions for wearable-device battery charging/discharging, NB-IoT and TWS charging-case power management, with products spanning synchronous buck and buck-boost converters, boost LED constant-current drivers, and battery-protection and charge-management chips. The company is headquartered in Nanjing, with R&D, sales and technical-support teams in Shanghai, Qingdao and Shenzhen.