Asymmetrical Diodes
Littelfuse, Inc. (Rosemont, IL) has announced the launch of the TPSMB Asymmetrical Series TVS Diodes (TPSMB2412CA, TPSMB2616CA, TPSMB2818CA, TPSMB3018CA). These devices are specifically designed for 12V battery anti-reverse protection, delivering superior performance compared to traditional symmetrical bi-directional TVS solutions. Unlike conventional approaches that often require multiple components, the TPSMB Asymmetrical Series provides a single-component solution that protects anti-reverse MOSFETs, diodes, and DC/DC converter ICs from both positive and negative surges. The asymmetrical clamping capability ensures much lower clamping voltage from negative surges, allowing engineers to select lower-rated MOSFETs or diodes. This approach reduces conduction losses, simplifies design, and lowers overall BOM costs. The TPSMB Asymmetrical Series replaces multiple Zener or TVS diodes with a single device. This streamlines PCB layouts, saves board space, and enhances system reliability while ensuring fast, high-power surge protection. The devices are AEC-Q101 qualified and designed to meet automotive surge and ESD requirements, including ISO 7637-2 pulses.
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Battery Electrodes
Through its innovations including LiForever (cost-effective, recyclable electrode platform) and 24M ETOP (Electrode-to-Pack), 24M Technologies (Cambridge, MA) is enabling the transition to electric mobility. Unlike standard lithium-ion technology, semisolid LiForever electrodes offer a revolutionary level of safety and reliability. Unlike standard lithium-ion technology, semisolid LiForever electrodes offer a revolutionary level of safety and reliability. With industry-leading abuse tolerance and virtually no risk of metal contamination, the 24M cell provides unmatched durability under demanding conditions. The binderless electrode design simplifies recycling, enabling direct in-plant reuse of active materials. Current lithium-ion battery cells have a large fraction of inactive, non-charge-carrying materials within the cell’s casing, such as supporting metals and plastics. These inactive materials reduce module and energy density and add unnecessary expense and waste. 24M ETOP eliminates unnecessary cell materials, delivering unmatched energy density for all energy applications. It features electrodes packaged directly into a battery pack, removing the need for individual cells and modules.
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Distributed Charging System
Siemens (Munich, Germany) has launched the SICHARGE FLEX product family, its next-generation EV distributed charging system, designed to be flexible, reliable, and economical. Unlike rigid, single-purpose charging systems, SICHARGE FLEX offers a dynamic and adaptable approach, ensuring optimal performance and investment protection for operators and businesses. At its core is a pioneering fully dynamic power distribution system, which intelligently allocates power across multiple charging points based on real-time vehicle demand. This means that all power groups are routable to all outlets in all configurations, delivering the right power to the right outlet at the right time. This system offers a wide power range, from 480 kW to over 1.68 megawatt, enabling the charge points to deliver power in 80/120 kW increments. As a result, it ensures optimal and efficient power delivery to exactly where it is needed. Supporting both CCS and MCS charging standards allows for up to 4 MCS charge points to be installed with a single system. SICHARGE FLEX delivers up to 1,500 A of charging current through its MCS dispenser, enabling rapid charging for even the largest EVs like heavy-duty trucks as well as electric city and overland buses.
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Software-Defined Vehicle Solution
Renesas Electronics Corporation (Tokyo, Japan) is expanding its software-defined vehicle solution offerings centered around the fifth generation (Gen 5) R-Car family. The latest device in the Gen 5 family, the R-Car X5H is a multi-domain automotive system-on-chip (SoC) manufactured with advanced 3nm process technology. It is capable of simultaneously running vehicle functions across advanced driver assistance systems (ADAS), in-vehicle infotainment (IVI), and gateway systems. Renesas has begun sampling Gen 5 silicon and now offers full evaluation boards and the R-Car Open Access (RoX) Whitebox Software Development Kit (SDK) as part of the next phase of development. As AI becomes integral to next-generation SDVs, the SoC delivers powerful central compute targeting multiple automotive domains, with the flexibility to scale AI performance using chiplet extensions. It delivers up to 400 TOPS of AI performance, with chiplets boosting acceleration by four times or more. It also features 4 TFLOPS equivalent* of GPU power for high-end graphics and over 1,000k DMIPS powered by 32 Arm® Cortex®-A720AE CPU cores and six Cortex-R52 lockstep cores with ASIL D support.
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All Solid-State Battery
Donut Lab (Espoo, Finland) has introduced its solid-state battery that is ready for use in OEM vehicle manufacturing. Donut Lab’s all-solid-state battery delivers 400 Wh/kg of energy density, enabling longer range, lighter structures, and unprecedented flexibility in vehicle and product design. It can be charged to full in just five minutes without limiting charging to 80 percent, and supports full discharge safely, repeatedly, and reliably. Unlike conventional lithium-ion batteries, the Donut Battery experiences minimal capacity fade over its lifetime, with a design life of up to 100,000 cycles, offering practical longevity that far exceeds existing technologies. Safety is built in at the core: no flammable liquid electrolytes, no thermal runaway, and no dendrite formation. This eliminates the root causes of battery fires, making the Donut Battery extremely safe and truly revolutionary. Performance has been rigorously tested across extreme conditions. At –30 °C, the battery retains over 99 percent of its capacity, and when heated to temperatures exceeding 100 °C, it continues to retain over 99 percent capacity with no signs of ignition or degradation. The Donut Lab solid state battery is made entirely from abundant, affordable, and geopolitically safe materials.
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Grid Resilience
Stryten Energy (Atlanta, GA) delivers grid resilience and reliable backup power through rapid response, voltage stabilization, and a modular design that scales from microgrids to large industrial sites. The solution’s ability to integrate with renewable and hydrocarbon energy sources make it a safe, dependable solution for peak shaving and a safeguard against power outages. The domestic circular economy of lead batteries makes them one of the most sustainable energy storage options available. The key benefits of Stryten’s Lead BESS include reliable back-up power to ensure operational continuity during outages, modular design to meet evolving power demands, from microgrids to multi-site industrial facilities, low fire risk and strong thermal stability for safe indoor installation, as well as integration with solar and other renewables for peak shaving and carbon reduction. Backed by vertically integrated, U.S.-based manufacturing facilities, Stryten Energy’s lead battery production ensures secure sourcing and sustainable manufacturing for its customers. From outages to peak demand, the BESS delivers reliable power and business continuity.
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Cathode Active Material
Independent cycle life testing and extreme low temperature tests of pouch cells made with Lithium Manganese Iron Phosphate (LMFP) developed by Integrals Power (Milton Keynes, U.K.) have validated the cathode active material’s exceptional durability and robustness. The on-going cycle life test programme, conducted by QinetiQ, has now achieved more than 1,500 charge and discharge cycles at a 1C rate, with the pouch cell retaining nearly 80 percent of its original capacity. This level of durability is essential for Li-ion battery packs in applications that must deliver a long service life with little degradation to state-of-health over time, such as EVs. This can contribute to higher residual values and reduced warranty and repair costs for vehicle manufacturers and suppliers. Current benchmark LFP and LMFP cell chemistries typically deliver only around 50 percent and 40 percent respectively, highlighting the value that this LMFP material can bring to applications across a range of sectors with very demanding performance requirements, including automotive, maritime, and aerospace and defense. In addition to durability and performance, it offers lower cost, higher safety, less toxicity, less reliance on critical minerals, and lower carbon footprint than Nickel Manganese Cobalt (NMC) cell chemistries.
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Sodium-Ion Solutions
Sodium-ion batteries offer a sustainable solution for the evolving demands of modern vehicles. Made from abundant materials such as salt, wood, iron, and air, they are inherently easy to recycle and free from conflict minerals and toxic elements. To accelerate the development of this technology, Clarios (Glendale, WI) has partnered with Altris, a leader in sodium-ion cathode material and battery cell technology, to bring advanced sodium-ion solutions to the low-voltage automotive market — an essential system for powering critical vehicle functions. Clarios’s sodium-ion development efforts are designed to deliver advanced low-voltage battery systems that meet the growing power demands of modern vehicles while supporting sustainability and circularity goals. By combining Clarios’ expertise in low-voltage architectures and system integration with Altris’ leadership in sodium-ion technology, automakers gain access to a chemistry-agnostic portfolio that includes lead-acid, lithium-ion, and sodium-ion solutions. These innovations ensure compatibility with evolving vehicle platforms, enhance system redundancy for critical safety features, and provide sustainable alternatives for future mobility.
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