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Battery charger delivers termination current of 20 mA

September 3, 2019 By Aimee Kalnoskas Leave a Comment

BQ25619 battery charger

Texas Instruments introduced a new switching battery charger integrated circuit (IC) that supports a termination current of 20 mA. Compared to competing devices, which typically support a termination current higher than 60 mA, TI’s BQ25619 enables 7% higher battery capacity and longer run time. The BQ25619 charger also delivers three-in-one boost converter integration and ultra-fast […]

Filed Under: Battery, Battery Management, Power Management Tagged With: texasinstrumentsinc

Power Electronics Top Talks in August 2019 on EDABoard.com

September 1, 2019 By Aimee Kalnoskas Leave a Comment

power electronics

Peer-to-peer, engineer-to-engineer questions and answers from the EDABoard.com engineering community around power electronics. Click the “Read more” link and follow the entire conversation and maybe add your two cents by logging in to EDAboard.com 1 minute vs. 1-second isolation voltage test – Some offline transformers are spec’d for 3750vac for 1second (3mA). Some are spec’d […]

Filed Under: Battery Management, Featured, MOSFETS, Power Components, Power Management, Semiconductor, Transformers, Transistors Tagged With: analogdevicesinc, edaboardcom, lineartechnologyinc, stmicroelectronicsinc, texasinstrumentsinc

Standard amplifier functions in HEV/EV battery management systems

August 20, 2019 By Aimee Kalnoskas Leave a Comment

HEV/EV battery management systems

by Sanjeev Manadhar, Texas Instruments Hybrid electric vehicles (HEVs) and electric vehicles (EVs) are popular because they have low (to zero) emissions and fewer maintenance requirements while offering better efficiency and drive performance. New HEV/EV companies are emerging, while existing automakers are investing more in HEV/EV to compete for market share. The heart of the […]

Filed Under: Amplifier, Battery Management, FAQ, Featured, Power Components, Power Management Tagged With: FAQ, texasinstrumentsinc

Tiny, ultra-low-power switching regulator with light-load efficiency maximizes power delivery

July 16, 2019 By Aimee Kalnoskas Leave a Comment

TPS62840 switching regulator

Texas Instruments introduced an ultra-low-power switching regulator with the industry’s lowest operating quiescent current (IQ) at 60 nA – 1/3 that of the nearest competitive device. The TPS62840 synchronous step-down converter delivers very high light-load efficiency of 80% at 1-µA load, which can enable designers to extend the battery life of their systems or use […]

Filed Under: Battery Management, DC-DC, Regulators Tagged With: texasinstrumentsinc

Tiny current-sensing amps target overcurrent detection apps

June 25, 2019 By Aimee Kalnoskas Leave a Comment

current-sensing amps

Texas Instruments introduced the industry’s smallest current-sense amplifier in a leaded package and the smallest, most accurate comparators with an internal 1.2-V or 0.2-V reference. Offered in industry-leading package options, the INA185 current-sense amplifier, and open-drain TLV4021 and push-pull TLV4041 comparators enable engineers to design smaller, simpler and more integrated systems while maintaining high performance. […]

Filed Under: Amplifier, Power Components Tagged With: texasinstrumentsinc

Charging electric vehicles, Part 2: The connections

June 24, 2019 By Bill Schweber 1 Comment

Charging electric vehicles

Part 1 introduced some of the issues related to charging of electric vehicles. Part 2 continues with a look at the hardware (which also involves software, of course). Q: What about the electrical and physical connections? A: There are three connection situations, called “cases”: Case A has the charger connected to the AC mains, and […]

Filed Under: FAQ, Featured Tagged With: FAQ, texasinstrumentsinc

GaN power devices, Part 2: Application

May 27, 2019 By Bill Schweber 1 Comment

GaN power devices

Part 1 of this FAQ explored the basics of GaN switching transistors at the device and physics level. This part will look at driving and applying GaN devices. Q: What do I need to know to use a GaN device? A: There are three functional blocks associated with power switching: the power-device driver, the power […]

Filed Under: FAQ, Featured, Transistors Tagged With: efficientpowerconversioncorporation, FAQ, gansystems, texasinstrumentsinc, transphorm

Battery management system reference design boosts EV range

May 2, 2019 By Aimee Kalnoskas Leave a Comment

BMS reference design

Texas Instruments introduced fully tested reference designs for battery management and traction inverter systems, along with new analog circuits with advanced monitoring and protection features to help reduce carbon dioxide emissions and enable hybrid electric vehicles and electric vehicles (HEV/EVs) to drive farther and longer. Scalable across six to 96-series cell supervision circuits, TI’s new battery […]

Filed Under: Battery Management, Power Management Tagged With: texasinstrumentsinc

Power Electronics Top Talks in March 2019 on EDABoard.com

April 2, 2019 By Aimee Kalnoskas Leave a Comment

power electronics

Peer-to-peer, engineer-to-engineer questions and answers from the EDABoard.com engineering community around power electronics. Click the “Read more” link and follow the entire conversation and maybe add your two cents by logging in to EDAboard.com VFD to control 3-phase AC induction motor – I want to control the speed of a woodcutter that is equipped with […]

Filed Under: Amplifier, Featured, Inductor, MOSFETS, Power Components, Power Supplies, Three-phase, Transistors Tagged With: arduino, cadence, keysighttechnologies, microchiptechnologyinc, texasinstrumentsinc

100 V, 1 A DC/DC buck converter extends battery life

March 12, 2019 By Aimee Kalnoskas Leave a Comment

LMLM5164 DC/DC buck converter

Texas Instruments introduced a wide-input-voltage (VIN) synchronous DC/DC buck converter with the industry’s best combination of light load efficiency, ease of design and overall power solution cost. The 100-V, 1-A LM5164 step-down voltage converter shrinks board space in rugged battery-powered industrial and automotive power supplies. Used in conjunction with TI’s WEBENCH Power Designer, this new […]

Filed Under: Converters, DC-DC, Regulators Tagged With: texasinstrumentsinc

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