Batteries & Other Energy Storage Devices

June 2020
3W Current Sense Chip Resistor with Improved TCR to 50
Current sensing resistors that operate at high power can experience significant self-heating. This self-heating can cause error in measurement if the sense resistor has high TCR. Stackpole's CSM2512 current sense resistor offers a metal element with TCR now improved to 50 ppm. This ensures high accuracy measurem
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Date:
06/30/2020

Han-Modular Flexbox: Modular connectors for energy chains
The interface has been developed so longer, moving cable runs for machines and machine modules are easier to install and maintain. The Han-Modular Flexbox makes it possible to sub-divide energy chains into flexibly manageable and easily replaceable segments. The modular housing concept replaces the previou
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Date:
06/30/2020
Modular evaluation platform for discrete CoolSiC MOSFETs
Its centre comprises a motherboard with interchangeable drive cards.  The drive options include a Miller clamp and a bipolar supply card; additional variants will be launched in the near future. In shortening time-to market for a variety of applications, this portfolio will help paving the way for silicon car
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Date:
06/30/2020
Test instruments with 1.35 mm E-band coaxial connector
The connector covers frequencies up to 90 GHz and shall be included in the next releases of both IEEE and IEC relevant standards. Rohde & Schwarz has been a partner in the 1.35 mm E connector development project since its beginning in 2017. An expert group with collective knowledge of microwave signal transmission
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Date:
06/30/2020
Würth Elektronik introduces its WE-HIDA high-current inductor
The high current inductor is characterized by low core losses, very low DC resistances from 2.5 mΩ to 14.8 mΩ and high saturation currents.  WE-HIDA is not only available as a single inductor, but also in 2-in-1 designs (package sizes 1415 and 1521) for compact BTL (Bridge-Tied-Load) applications.
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Date:
06/30/2020
Chip-set enables higher performance AI
A driver, MCD4609, and a pair of MCM4609 current multiplier modules supply up to 650A continuous and 1,200A peak. Owing to their small footprint and low profile (45.7mm x 8.6mm x 3.2mm), current multipliers are placed close to the processor enabling reduced power distribution network (PDN) losses and higher pow
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Date:
06/30/2020
MOSFET Gate Driver Switch Intelligent Power Devices
The TPD7106F and TPD7107F can be used to control the conduction and shut-off of currents being supplied to automotive electronic control units (ECUs), including junction boxes and body control modules. They are also suited to use in power distribution modules and semiconductor relays. When combined with
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Date:
06/30/2020
€10.3M project for the most energy-efficient GaN power modules
CGD leads the European funded GANEXT project under the PENTA Programme, targeting the design and development on highly efficient, highly compact prototypes of next generation Gallium Nitride power modules, for low and high power applications. The GaNext Penta project is undertaken by a powerful consortium with co
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Date:
06/30/2020
Autonomous Wireless Charging Solutions Increase Uptime
As robotic fleets reshape logistic, delivery and inspection industries, the demand for more efficient and flexible charging solutions is increasing while the feasibility for these fleets to be managed manually and recharged ad hoc by a 24/7 rotation of personnel is decreasing. The next step is toward enhanced au
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Date:
06/30/2020
Wide Selection of High-Frequency Connectors
In 174 pages, the "Coax Connectors" English language catalog presents nine product groups. The new product families of SMB and SMP connectors is the highlight. The following product families are featured in the coaxial catalog available today: SMA and Reverse Polarity SMA, MCX and MMCX, SMP and SMB Mor
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Date:
06/30/2020
Compact intelligent Toshiba power device with 600V rating
With its rated power supply voltage (VBB) of 600V, the TPD4162F can be used for any applications with input signals in the range 200 to 220VAC. The new IC contains a PWM circuit, 3-phase decoder, level shifting high-side driver and low side driver with embedded IGBTs and FRDs. This allows direct drive of brushle
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Date:
06/30/2020
300W non-isolated, buck-boost DC-DC converters output 9.6V to 48V
The output voltage of these step-up and step-down converters can be adjusted from 9.6 to 48V and accept a wide range input voltage of 9 to 53V. The converters seamlessly transition from buck to boost mode operation without disruption in performance. The i7C 8A series can be used to derive additional high-power outputs
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Date:
06/30/2020
Low Dropout Regulator Offers High PSRR
The device meets the need for voltage regulation in noise-sensitive, battery-operated devices such as wearables, portables, and connected sensors. The AP7353 is available in X1-WLB0707-4 (Type A1) and X2-DFN1010-4 (Type B) packages, each measuring less than 1mm on each side. These dimensions result in a sma
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Date:
06/30/2020
CoolSiC MOSFET 1700 V SMD offers best efficiency
Having added 650 V to the portfolio earlier this year, the company is now launching the 1700 V class with its proprietary trench semiconductor technology. Maximizing the strong physical characteristics of silicon carbide (SiC), this ensures that the new 1700 V surface-mounted devices (SMD) offer superior reliabi
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Date:
06/30/2020
 Electric Vehicle Power Electronics Push Test Equipment Performance Limits

Table 1. LV123 Operational status vs. operating voltage ranges

Power Electronics in New Vehicle Systems Automotive electronics are changing in dramatic ways. While it is true that “traditional” internal combustion engine vehicles still dominate the market, the automotive world is racing into a disruptive future. The market demand for reduction in the use of fossil fuels
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Date:
06/30/2020
Buck-Boost Battery Chargers with 50% Greater Power Density
  Texas Instruments (TI) 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 quiescen
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Date:
06/29/2020
PSDcast – Wireless Charging for Electric Vehicles

Ivana Ivanovska, Application Design Engineer at KEMET

Two of the hottest topics that we’ve been covering rather extensively on the PSDcast are wireless charging and electric vehicles. Not coincidentally, the two topics often intersect ...  
Date:
06/26/2020
NTC Thermistors Robust Temperature Sensor for E-Mobility
TDK Corporation presents the new B58703M1103A* temperature sensor − specifically developed for demanding e-mobility applications, which call for significant long-term stability. The NTC sensor is designed for a temperature range of -40°C to +150°C, whereby a temporary load of up to 200°C is permitted. At 25
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Date:
06/23/2020
KORE Power Ships Pre-Production Mark 1 Modules
KORE Power, Inc., announced that its initial shipment of pre-production Mark 1 modules are now in transit to customers for integration testing in their stationary energy storage applications. Additional Mark 1 modules are being shipped to an independent lab for confirmatory testing for prospective customers. KORE Power’s
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Date:
06/19/2020
Current Sense Chip Resistors Offer Resistance to 10 ohm
Power supplies and current sensing circuits have requirements that are as wide ranging as the end products they serve. For applications that require low TCR sense resistors, yet don’t need extremely low resistance values for high current handling, this can be difficult. Low resistance values typically offer low T
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Date:
06/17/2020
Energy Storage Using Oxygen to Boost Battery Performance

Schematic of the formation process of EG-water complexes and illustration of the penetration process of an isolated water molecule.

Researchers have presented a novel electrode material for advanced energy storage device that is directly charged with oxygen from the air. Professor Jeung Ku Kang's team synthesized and preserved the sub-nanometric particles of atomic cluster sizes at high mass loadings within metal-organic frameworks (MOF) by
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Date:
06/17/2020
A Phase Battery for Quantum Technologies

The first quantum phase battery, consisting of an indium arsenide (InAs) nanowire in contact with aluminum superconducting leads.

Batteries belongs to everyday life. A classical battery, the Volta´s pile, converts chemical energy into a voltage, which can power electronic circuits. In many quantum technologies, circuits or devices are based on superconducting materials. In such materials, currents may flow without the need of an applied vo
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Date:
06/15/2020
A Storage Battery for the Entire World
The lithium-ion batteries currently available for e-mobility are being optimized primarily to increase power density. However, the requirements are different for batteries for stationary energy storage in rural, decentralized electrification. They should be inexpensive, consist of readily available materials, be
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Date:
06/02/2020
Batteries Can Spark Problems, Right Chemistry is the Answer

Click image to enlarge

Figure 1. Saft's Xcelion battery line uses proprietary materials and design to produce enhanced safety and performance

Poor battery system design can hurt business and consumers. Several high-profile battery failures in recent years caused fires and expensive recalls. Batteries in Samsung’s Galaxy Note 7 experienced overheating ultimately linked to a battery defect. The resulting fires and explosions sparked two recalls a
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Date:
06/01/2020