Automakers are forced to fit EV batteries into nooks and crannies in an effort to maximize driving range. The resulting convoluted layouts call for a wireless approach to managing cells. GREG ZIMMER | Linear Technology Corp., now part of Analog Devices Inc. Lithium-Ion batteries require considerable care if they are expected to function reliably over […]
36-V buck battery charger for lithium-ion cells
Analog Devices, Inc. introduces the LTC4091, a complete lithium-ion battery backup management system for 3.45V to 4.45V supply rails that must be kept active during a long duration main power failure. The LTC4091 employs a 36V monolithic buck converter with adaptive output control to provide power to a system load and enable high-efficiency battery charging […]
Power management IC handles sequencing, monitoring, regulation for differing IC technologies
Silego Technology Inc. announces the introduction of SLG46580, further expanding the GreenPAK (GPAK) family of Programmable Mixed-signal Integrated Circuits (CMICs). This newest GPAK is targeted to support power systems in wearable and handheld market segments. This device is both highly integrated and highly flexible, and can provide a rich set of features, including voltage monitoring, […]
Eval kit for design of battery-free systems with energy harvesting power management
Cypress Semiconductor Corp. introduced a new kit to evaluate its energy harvesting Power Management IC (PMIC) family. The CYALKIT-E04 Evaluation Kit provides developers with an easy-to-use platform to create battery-free systems using a solar-powered module or to support battery-life extension, and can be used for evaluation of diverse power management functions used for wireless sensor […]
1000 W next-gen regulator bus converters offers in quarter-brick footprint
Bel Power Solutions, a Bel group company and premier global manufacturer of power management devices, announces the 0RQB-X0S10BG, a next generation regulated bus converter with 45-56 VDC input / 10.4 VDC @ 96.2 A output and offering up to 1000 W in a quarter brick footprint. Bel Power’s next generation of regulated bus converters start […]
SMD Isolation Transformer for Vehicle Battery Monitoring, High-Speed Modems
The Sumida ESMIT-4180/C Series Isolation Transformer is the latest entry into Sumida’s line of low-profile, surface-mounted isolation transformers. It was developed to better respond to the demands of the embedded-circuit based products, including automotive battery monitoring, high-speed modems and other circuits. As an example, the ESMIT-4180/C is included in the reference design for the NXP […]
Top power electronics threads on EDAboard.com – February
(editor’s note: Intrigued by these power electronics problems? Have a question or another solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the power electronics forum thread.) Circuit to detect 240 or 380 V AC – I need to make a circuit that can […]
60-V I²C battery monitor measures state of charge parameters with 1% accuracy
Linear Technology Corporation introduces the LTC2944 multicell battery monitor, which makes direct measurements of 3.6V to 60V battery stacks. Absolutely no level shifting circuitry on the supply and measurement pins is required to interface with multicell voltages, so total current consumption is minimized and measurement accuracy is preserved. The LTC2944 is a true high voltage […]
Charger extends battery life with low 3 μA leakage current in eCall systems
Intersil Corporation announced the ISL78693, a 3.6V single-cell battery charger that extends the life of Lithium Iron Phosphate (LiFePO4) batteries used in automotive emergency call (eCall) systems. The ISL78693 battery charger offers up to 4x lower leakage current (3uA) than competitive chargers, allowing the eCall backup battery to remain charged for a longer period of time. […]
Tx/Rx IC boasts 15W in-vehicle charging and enhanced driver usability
NXP Semiconductors today introduced an innovative 15W wireless charging solution, qualified to meet stringent automotive and industrial grade requirements. Compatible with WPC Qi and PMA charging standards, this complete solution allows automakers to easily transition from 5W to 15W capabilities, giving drivers a faster in-vehicle charging experience for mobile phones, tablets, and wearables. The new […]
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