Some rechargeable lithium battery chemistries need more TLC than others when it comes to safety precautions. TOM BLAHA, MEMORY PROTECTION DEVICES RECHARGEABLE BATTERY TECHNOLOGY has come a long way, continually boosting performance with fewer annoying memory effects that severely limited the useful operating life of earlier generation cells. The most common rechargeable battery chemistries commercially […]
How long can a battery really last?
It pays to know how a testing regime can reveal whether specific types of lithium batteries will last as long as an application demands. SOL JACOBS, TADIRAN BATTERIES DESIGNERS MUST UNDERSTAND how their end device will consume power before they can choose a battery. Will the battery be depleted in a matter of hours, as […]
Pin-type rechargeable lithium battery targets tiny applications
A Pin‐type Lithium‐ion battery (CG-425A, nominal voltage 3.8 V, typical capacity 32.0 mAh) has a diameter of 4.7 mm and a weight of 1.0 g (without tabs). This battery is suitable for powering small applications such as wearable devices. This product, in addition to being a small and slim cylindrical-shaped rechargeable Lithium-Ion battery, features high […]
Image gallery: Structural batteries, hub motors, do-it-yourself Li-ion pouches mark Detroit-area Battery Show
A tri-show event that included the Battery Show North America, Electric & Hybrid vehicle technology Expo, and the Critical Power expo concluded last week in Novi, Mich. and hosted numerous technical presentations and displays of interesting technology. Here are some of the more noteworthy developments we noticed on the exhibition floor. NEXT PAGE: All hail […]
How telematics is evolving with the connected car
The embedded systems that control vehicle tracking grow more sophisticated by the day. Hope Bovenzi, Texas Instruments Inc. The phrase “car of the future” often invokes thoughts about autonomous driving. But it is fair to also consider what it will be like as a passenger once our driving habits change. With free hands and relaxed […]
Galvanic isolation for electric vehicle systems
High voltages and high currents circulating in EVs make the fundamentals of electrical isolation techniques an important topic. Ross Sabolcik, Silicon Labs AS automotive designs move toward electrification, high-wattage power electronics become critical to new electronic drivetrain and battery systems. In these applications, digital controllers safely interface with the high-voltage systems of modern electric vehicles […]
Lithium-ion smart batteries include a battery management system
Accutronics has launched a new range of Lithium-ion (Li-Ion) smart batteries from its partner Inspired Energy. The new QE suffix batteries couple the latest high energy rechargeable lithium ion technology, state-of-the-art battery management electronics and regulatory safety certification allowing them to be easily designed into a wide range of professional portable electronic applications across multiple […]
Standalone power delivery controller enables quick migration to USB Type-C
STMicroelectronics’ STUSB4500 standalone USB Type-C and Power-Delivery controller extends the convenience and environmental benefits that come with powering and charging from a standardized USB-C outlet to a wide variety of consumer, industrial, and medical products. Optimized for sink-only applications powered through a USB-C cable, the STUSB4500 is a certified standalone USB PD controller that can be easily […]
Compact 40-65-W medical external supplies comply with DoE Level VI, EU tier 2 v5 efficiency standards
TDK Corporation announces the introduction of the TDK-Lambda medical certified DTM65-D external power supplies. This series meets the stringent DoE Level VI and EU Tier 2 v5 standards for efficiency and off-load power. The DTM65-D is certified to the medical IEC 60601-1 standards, making it suitable for a variety of hospital, dental and healthcare applications, […]
Here’s what happens when lithium-ion batteries are drastically overcharged
Lithium batteries have a high energy density so they can store a lot of energy in a small volume. But they can go up in smoke when bad things happen. Recently we recorded a short video to show what can happen during one of those bad things – overcharging. Excessive charging can bring on thermal […]
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