Rimac chooses Analog Devices for battery management in EVs
Published: 2 December 2019 - Carly Wills
Analog Devices (ADI) has announced that Rimac Automobili is planning to incorporate ADI’s precision battery management system (BMS) integrated circuits (ICs) into Rimac’s BMS. ADI’s technology provides Rimac’s BMS with the ability to extract maximum energy and capacity out of its batteries by calculating reliable state of charge and other battery parameters at any given time.
"Rimac is a technology powerhouse in the field of high-performance electric vehicles,” said Rimac CEO Mate Rimac. “Our application of BMS is among the most demanding in the world, requiring the highest accuracy, massive current and voltage draws over very short time scales, and rapid dynamic adjustment within the battery management control system. We have decided to adopt the Analog Devices portfolio of battery management ICs across our complete product line of battery management systems. ADI’s ICs are an integral part of our in-house developed BMS that we are using in our own vehicles, but also for many global car brands.”
The Rimac C_Two is a fully electric hypercar capable of speeds of up to 258 miles per hour. With 1,914 horsepower under the hood, the C_Two accelerates 0-60 mph in 1.85 seconds and 0-186 mph in 11.8 seconds. To support these high-performance outputs, the Rimac team designs and engineers superior underlying technologies, such as electric drivetrain and battery packs.
BMS technology acts as the ‘brains’ behind battery packs by managing the output, charging and discharging, as well as providing precision measurements during vehicle operation. A BMS also provides vital safeguards to protect the battery from damage. A battery pack consists of groups of individual battery cells that work seamlessly together to deliver maximum power output to the car. If the cells go out of balance, the cells can get stressed leading to premature charge termination and a reduction in the battery’s overall lifetime. ADI’s battery management ICs deliver the highly accurate measurements, resulting in safer vehicle operation and maximising vehicle range per charge.
“High performance electric vehicles require high precision electronics,” said Patrick Morgan, Vice President, Automotive Electrification and Infotainment, Analog Devices. “Precision accuracy directly translates to maximizing battery capacity and range with fast charging time. We are pleased to support Rimac with our precision battery management ICs for its leading-edge electric vehicle systems with the goal of achieving some of the best performance in the world.”