Electric vehicle (EV) motor design continues to evolve as manufacturers target higher power density, greater efficiency, and seamless system integration. This article reviews optimization strategies for EV motors, focusing on material innovations, control algorithms, and thermal management. It also highlights emerging testing protocols and safety standards that ensure reliable operation and support integration across next-generation…
Single-chip battery gauges extend run time up to 30% with predictive modeling
Texas Instruments introduced single-chip battery fuel gauges with adaptive Dynamic Z-Track technology for battery-powered devices. The predictive modeling algorithm in TI’s BQ41Z90 and BQ41Z50 gauges achieves state-of-charge and state-of-health accuracy within 1% error, helping extend battery run time by up to 30% compared to traditional gauging methods. Battery management systems in devices such as laptops,…
Combined hardware-software approach addresses growing battery management market
Infineon Technologies AG and Eatron are expanding their existing partnership for battery management solutions (BMS) in automotive to include various industrial and consumer applications. Enabled by Infineon’s PSOC™ microcontrollers, this collaboration combines AI-powered battery optimization software with power semiconductor components to create a solution that reduces degradation, detects safety issues, and improves performance and reliability…
High-voltage contactors support lithium-ion battery switching up to 1000 V DC
TDK Corporation has introduced two new high-voltage contactors designed for use in demanding applications. The HVC43MC integrates a mirror contact for position detection, while the HVC45 offers increased short-circuit current handling capability. These components support systems operating at up to 1000 V (DC), making them suitable for lithium-ion battery switching in traction applications, energy storage…
IC improves lithium-ion battery protection for automotive applications
ABLIC has introduced the S-19161A/B integrated circuit (IC) designed to support the miniaturization of backup power systems in automotive applications. This new IC enables vehicle manufacturers to replace multiple nickel-hydride batteries with a single lithium-ion battery in emergency backup systems, offering the same functionality in a more compact design. The S-19161A/B operates in extreme temperature…
Battery charger IC in 4 mm x 4mm TQFN package handles 2-7 cell configurations
Renesas Electronics Corporation has introduced two new ICs for Extended Power Range (EPR) USB Power Delivery (PD): the RAA489118 buck-boost battery charger and the RAA489400 USB Type-C port controller. The RAA489118 operates as either a battery charger supporting two to seven battery cells in series or as a voltage regulator supporting 30V input and 30V…
3.2mΩ on-resistance GaN transistor targets battery protection applications
Innoscience Technology has launched a new generation of battery management system (BMS) solutions based on VGaN technology. Increased demand for convenient eco-friendly travel, mobile energy storage, and small power solutions has driven rapid market developments. Battery protection system (BMS) technology needs further advancement to improve battery safety and efficiency. GaN technology supports this by improving efficiency, […]
IC monitors battery current every eight microseconds
NXP Semiconductors has announced the MC33777, a battery junction box integrated circuit (IC) that combines sense, think, and act capabilities for battery management systems. The MC33777 integrates pack-level functions into a single device, which differs from conventional solutions that use multiple discrete components, external actuators, and processing support. The MC33777 IC monitors battery current and…
Beyond SDVs: how AI optimizes electric vehicles
Many automotive manufacturers classify new cars and trucks as software-defined vehicles (SDVs). As SDVs by design, electric vehicles (EVs) optimize vital systems and functions with sophisticated artificial intelligence (AI) and machine learning (ML) capabilities. This article discusses AI’s crucial role in EVs, from smart charging and advanced driver assistance systems (ADAS) to predictive maintenance and…
Battery connector line include models for high signal and current
KYOCERA AVX expanded its robust and extremely user-friendly 9155-800 Series vertical-mate, 2.0mm-pitch battery connectors with the addition of new seven- and eight-position models to satisfy customer demand for higher signal and current capabilities. These new additions also further expand its 9155 family of battery connectors, which already offered the broadest selection of standard battery connectors…