PMICs (Power Management Integrated Circuits) are not a specific brand but a category of electronic components designed to manage and regulate power in various devices. These chips are produced by multiple companies worldwide, including Texas Instruments (USA), Analog Devices (USA), Infineon Technologies (Germany), and STMicroelectronics (Switzerland/France). PMICs serve industries such as consumer electronics, automotive, industrial automation, and telecommunications, providing functions like voltage regulation, battery charging, and power sequencing. Key products include DC-DC converters, LDO regulators, and energy-efficient power controllers, essential for optimizing device performance and energy consumption.