eFuses & hot swap controllers are electronic components designed to protect circuits from overcurrent, overvoltage, and inrush current, commonly used in industrial, automotive, and telecommunications applications. Leading manufacturers in this field include Texas Instruments (USA), Analog Devices (USA), Maxim Integrated (USA), and STMicroelectronics (Switzerland). These companies provide advanced eFuses and hot swap controllers that ensure safe power management in servers, storage systems, and other high-power electronic devices. Key products feature programmable current limits, fault protection, and thermal shutdown, catering to industries requiring robust power distribution and protection solutions.