Technical Features

Current
Optimizing Drive-Cycle Simulations for Automotive Applications

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Figure 1. EAB450M12XM3 automotive qualified 1200 V, 450 A all-Silicon Carbide conduction-optimized, half-bridge module by Wolfspeed®

­Silicon Carbide (SiC) has transformed power delivery and management in a number of industries, especially electric vehicle (EV) charging and on-board power conversion. This is due to its superior thermal characteristics, low losses, and power density, which result in higher efficiency and reliability when com
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Date:
11/30/2022
Leading the Charge in Mobile Phones

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Figure 1: Halo Microelectronics HL7132 application circuit for charge pump fast charger

­We rely upon our mobile devices and wearables more and more, so we constantly seek enhanced performance and functionality from them. However, with this comes the need for increased battery capacity, despite recent advances in efficient operation. Convenience is the key, allowing users to charge these high-capacity de
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Date:
12/01/2022
All Metal Current Sense Resistors – The Superior Current Sense Resistor Technology

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Figure 1a: All metal sense resistors with plated terminations

­With the rapid growth of electronic content, devices, and circuitry pervading so many market segments, the need for current sense resistors has exploded. Because of the wide range of end products and applications, there is an equally wide range of sense resistor requirements. While there are several viable te
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Date:
12/01/2022
Too Hot for SPICE

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Figure 1: Double pulse testing using standard power MOSFET models

­One of the biggest challenges facing engineers when designing with discrete power MOSFETs is the fact standard simulation models provided by many manufacturers are limited in how well they emulate real-world performance. This reduces the usefulness of SPICE simulations when attempting to understand how a circuit wi
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Date:
12/01/2022
The Micro-Mobility Business Model is Built on a Foundation of Sand

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Figure 1. Quicker charge times with ZapBatt lithium-titanate (LTO) batteries would mean e-bikes getting back on the road quicker, saving on related downtime costs

­The micro-mobility industry can be a legitimate answer to climate warnings, battery supply chain issues driving up the cost of EVs, and rising gas prices deterring people from car ownership and towards more economical alternatives. These significant challenges have driven e-bikes from niche to mainstream in the la
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Date:
12/01/2022
Industrial and Automotive Filters Make the Grade with Advanced Materials Technology

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Figure 1. Electrifying major automotive systems boosts efficiency and economy

­Electrification is a major factor in moves towards smart industry and smart driving. The trend is bringing increasing numbers of high-powered electrical systems into close proximity with each other, such as arrays of industrial robots inside factories. In automotive markets, the latest vehicles are adding gr
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Date:
12/01/2022
4D Imaging Radar helps L2+ and Higher Vehicle Enablement

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Figure 1: Levels of ADAS and autonomous driving

­The adoption and evolution of advanced driver-assistance systems (ADAS) and autonomous driving (AD) are crucial to safer driving, avoiding accidents, and saving lives. New Car Assessment Program (NCAP) ratings and five-star safety ratings accelerate this shift, making automatic emergency braking, blind-spot de
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Date:
12/01/2022
Increasing Ruggedness in High-Current E-FUSE Smart Switches

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Figure 1. Block diagram of a smart automotive power distribution system

­The major trend in power distribution systems is the replacement of the centralized architecture, which distributes the electric power from the battery to the individual loading systems and includes a central relay and fuse box for overload protection. The new automotive systems are based on smart power distribution wi
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Date:
12/01/2022
Meeting Rail Equipment Power Challenges

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Figure 1: Various rail nominal voltages, dips, and surges

­DC-DC converters used in onboard rail applications must meet challenging electrical supply and environmental specifications. The widespread adoption of the European Train Control System (ETCS) at the heart of the European Rail Traffic Management System (ERTMS) is setting new, more stringent requirements for po
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Date:
12/01/2022
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