The LTC2991IMS#TRPBF is an I2C octal current, power, and temperature monitor and regulator from Analog Devices. It has eight independently programmable current channels and two long-term power/energy channels. It is designed to measure current up to 25A, power/energy up to 500kW, and temperature up to +125°C. It has an I2C compatible serial interface, eight voltage rails, and on-chip nonvolatile memory for configuration and storage. It has a 100kHz operating frequency and a low start-up current of 5µA. This versatile power-management tool is MSL-1 rated and is suitable for use in industrial, automotive, and medical applications.