Texas Instruments introduced the industry’s first DC/DC buck-boost converter to combine programmable input current limit and integrated dynamic voltage scaling to extend battery life by at least 50%. The TPS63900 maintains the industry’s lowest quiescent current (IQ), 75 nA, with 92% efficiency at 10 µA and delivers up to three times more output current than […]
Buck-boost charger ICs for USB Type-C and USB Power Delivery ports hit 97% charging efficiency
Texas Instruments introduced the industry’s smallest buck-boost battery charger integrated circuits, which integrate power-path management for maximum power density and universal and fast charging at up to 97% efficiency. The BQ25790 and BQ25792 support efficient charging and 10 times lower quiescent current through USB Type-C and USB Power Delivery (PD) ports in small personal electronics, […]
Rechargeable 100-µAh batteries come in pint-sized SMD format
TDK Corporation presents a new packing unit for CeraCharge, the world’s first SMD technology solid-state rechargeable battery, in the compact size EIA 1812 (4.4 x 3.0 x 1.1 mm3). The packing unit (B73180A0101M199) includes 10 blister-packed CeraCharge batteries which come in a vacuum-sealed plastic bag. The components are manufactured in regular series production and are […]
24-V lithium-ion battery module delivers long-life, exceptional safety
Murata Electronics today announced the availability of its fully-integrated 24V battery module equipped with FORTELION, the company’s proprietary lithium-ion secondary battery. The solution uses olivine-type lithium iron phosphate as the cathode material to achieve long-life with exceptional safety levels in a lead-free package. It is also size-compatible with its leaded counterparts, is dust and waterproof, […]
Li-ion 24-V battery modules optimized for industrial uses
Murata Manufacturing has developed a FORTELION 24V battery module (all-in-one type) that is ideal for industrial equipment requiring high output such as automated guided vehicles (AGVs) and robots. Mass production starts in April 2020. This module is equipped with “FORTELION”, Murata’s proprietary lithium-ion secondary battery, which uses olivine-type lithium iron phosphate as the cathode material […]
Single-input/multiple-output PMIC boosts battery life in hearables, wearables
Designers of compact consumer devices can now slash solution size by half and extend battery life by 20 percent with the MAX77654 single inductor, multiple-output (SIMO) power management IC (PMIC) from Maxim Integrated Products, Inc. (NASDAQ: MXIM). This next-generation SIMO PMIC delivers 3 outputs with just one inductor at 91 percent efficiency, which is 16 percent […]
MOSFET designed to protect battery overcharge in wireless earphones
MagnaChip Semiconductor Corporation announced that the company is entering the wireless earphone market with the introduction of a new MOSFET for wireless earphones for preventing the battery from overcharging. This MOSFET is designed to control excessive current flowing into wireless earphones while recharging the battery in order to protect wireless earphones from being damaged. Since […]
Battery-management IC extends driving range, reliability, and safety of EVs
STMicroelectronics has revealed new battery-management technology that increases reliability, safety, driving range, and cost-effectiveness of electric vehicles (EVs). EVs are predicted to reach cost parity with conventional combustion-engine vehicles before the end of this decade and overtake in sales volume by 2038. ST, leveraging its technical capabilities to help carmakers achieve these goals, has announced an […]
Thermal propagation triggering and mitigation in medium- and large-format battery modules
by Iris Su, Project Engineer II, Inventus Power A recent change in Li-ion battery pack safety is the shift from a focus on just prevention to one that emphasizes prevention and mitigation. Battery pack designers who were once focused on preventing thermal runaway (TR) are now taking increasing measures on preventing single cell failures within […]
USB BC 1.2-compliant battery charging detector incorporates host and client circuitry
Diodes Incorporated today announced the dual-role PI3USB9201 USB BC 1.2 detector, which incorporates both host and client circuitry, enabling designers to optimize the BoM size and cost of adding USB Type-C interface circuitry in devices such as laptops, tablets, smartphones, drones, and small home appliances. Unlike current market solutions that require devices dedicated to either […]