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Sensor technology in battery management

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Arron Bickerton, of TTI Europe, observes two trends in the sensor marketplace. The first is supplier consolidation and the second is the rise of digitisation. Over the past five years, many suppliers have acquired disparate types of sensor companies and are now consolidating technologies and narrowing their portfolios. As a result, certain parts are now being made obsolete or are ...

PCIM: 80V 150A GaN brushless dc motor drive development board

EPC9186 12-80V 150A motor drive board

EPC is aiming at eMobility, forklifts and high-power drones with a 150Arms brushless motor driver design using its GaN power transistors. Documents for EPC9186, as it will be known, are not available yet, but the company promises operation from 14V to 80V for “applications such as electric scooters, small electric vehicles and agricultural machinery” in addition to the items above. ...

Managing Li-ion batteries for safe operation in mobile equipment

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Lithium-ion batteries’ price and performance are compelling reasons for use in portable equipment, but their charge and discharge must be controlled with a battery management system, advises John Carpenter of Qorvo. Rechargeable battery chemistries were used in the first surge of electric vehicles (EVs) in the 19th century, but for portable equipment they are too bulky, while alternatives such as ...

PCIM keynotes address sustainability

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PCIM Europe 2023 (9-11 May) reports a record-breaking exhibition area (30,000m²) and number of presentations (400 oral presentations and poster sessions) and keynotes relating to sustainability, says Caroline Hayes. All three keynotes address sustainability. Franz Musil, Fronius International’s power electronics engineer will present ‘How life cycle analyses are influencing power electronics converter design’, looking at the holistic evaluation of the ...

Ruggedised 300W buck-boost dc-dc converters in 1/16 brick

TDK rugged 300W PSU

TDK-Lambda has introduced a series of rugged non-isolated 300W buck-boost dc-dc converters. The RGC series has a 9 to 53V imput range and adjustable output voltages of 9.6 to 48V (8Amax), or 5 to 28V (12.5Amax), depending on version. The idea is to cover 12, 18, 24, 36 and 48V batteries and power sources. Remote shut-down reduces input current to ...

Delivering environmentally sustainable next-generation networks

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Liberating and entertaining, mobile communications have changed the way of life for the majority of the world’s population, but does faster connectivity need to be at a cost to the planet? Dib Nath, of Advanced Energy, thinks not. Mobile communications have changed the way we live. Advances in 4G LTE have brought mobile broadband and use cases such as gaming, ...

IDC wire-to-board connectors for automotive and transport

Kyocera 9176-700 capped IDC connectors

Kyocera AVX has added four and five position options to its 5.6mm tall 9176-700 series of insulation displacement wire-to-PCB connectors. The connectors are soldered to the PCB in a tall state then, to terminate, insulated wires are inserted and the top of the connector is permanently pushed down to its final height. All four or five wires have to be ...

Sponsored Content: Universal and compact AC/DC converters from Aimtec

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Power supply component failures are perhaps the most common malfunctions affecting electronic devices. This is due to several reasons. First of all, the systems supplying current to the rest of the circuit are directly exposed to all kinds of input interferences – voltage surges, power shortage, etc. Another reason is the use of poor quality components in stabilizers and converters ...

Anglia Components signs EPC for UK and Ireland

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Anglia Components has signed a distribution agreement with GaN-based power management specialist,  EPC (Efficient Power Conversion), covering the UK and Ireland. EPC’s enhancement mode GaN (eGaN) FETs and ICs will be part of Anglia‘s portfolio, which includes mainstream power technologies, including silicon mosfet and SiC as well as GaN.  The distributor said that the new signing enhances its range particularly ...

Automotive traction inverter hits efficiency 98.5% at 5% load (and peaks at 99.57%)

Pre-Switch efficiency curve 2023

San Jose based Pre-Switch is reporting 98.5% efficiency at 5% load from its 800Vin ‘CleanWave2’ prototype inverter. Peak efficiency is 99.57%. It is a 100kHz forced-resonant, soft-switching inverter, controlled by an AI algorithm (more on the technology here). “Over a year ago we announced peak efficiency of over 99%. Since that time, we have been improving our AI algorithm to ...