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Buck-boost converters extend run times in battery-driven applications

September 30, 2019 By Aimee Kalnoskas

Texas Instruments introduced a family of four high-efficiency, low-quiescent-current (IQ) buck-boost converters that feature tiny packaging with minimal external components for a small solution size. The integrated TPS63802, TPS63805, TPS63806 and TPS63810 DC/DC noninverting buck-boost converters offer wide input and output voltage ranges that scale to support multiple battery-driven applications, helping engineers simplify and accelerate […]

Filed Under: Power Electronic Tips Tagged With: texasinstrumentsinc

Ultra-low-power LDO linear voltage regulator boasts quiescent current (IQ) of sub-25 nA

September 17, 2019 By Aimee Kalnoskas

Texas Instruments introduced an ultra-low-power low-dropout (LDO) linear voltage regulator with the industry’s lowest quiescent current (IQ) of sub-25 nA – one-tenth that of competing ultra-small devices. The new regulator features low IQ control at light loads even in dropout conditions, allowing engineers to at least double the battery life of their applications. In addition, […]

Filed Under: Power Electronic Tips Tagged With: texasinstrumentsinc

Battery charger delivers termination current of 20 mA

September 3, 2019 By Aimee Kalnoskas

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: Power Electronic Tips Tagged With: texasinstrumentsinc

Microcontroller Top Talks in August 2019 on EDABoard.com

September 1, 2019 By Aimee Kalnoskas

Peer-to-peer, engineer-to-engineer questions and answers from the EDABoard.com engineering community around microcontrollers. Click the “Read more” link and follow the entire conversation and maybe add your two cents by logging in to EDAboard.com. Sine PWM calculated with PIC – I have seen several posts about PWM in order to make a one phase inverter, and […]

Filed Under: Featured, Microcontroller Tips Tagged With: edaboardcom, microchiptechnologyinc, stmicroelectronicsinc, texasinstrumentsinc

Power Electronics Top Talks in August 2019 on EDABoard.com

September 1, 2019 By Aimee Kalnoskas

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: EE Forums, Featured, Power Electronic Tips Tagged With: analogdevicesinc, edaboardcom, lineartechnologyinc, stmicroelectronicsinc, texasinstrumentsinc

Standard amplifier functions in HEV/EV battery management systems

August 20, 2019 By Aimee Kalnoskas

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: FAQ, Featured, Power Electronic Tips Tagged With: FAQ, texasinstrumentsinc

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

July 16, 2019 By Aimee Kalnoskas

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: Power Electronic Tips Tagged With: texasinstrumentsinc

Tiny current-sensing amps target overcurrent detection apps

June 25, 2019 By Aimee Kalnoskas

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: Power Electronic Tips Tagged With: texasinstrumentsinc

Charging electric vehicles, Part 2: The connections

June 24, 2019 By Bill Schweber

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, Power Electronic Tips Tagged With: FAQ, texasinstrumentsinc

MCUs integrate, CAN FD, Ethernet, EtherCAT industrial communication protocols

June 20, 2019 By Aimee Kalnoskas

Texas Instruments introduced new communications capabilities on its C2000 microcontrollers (MCUs). C2000 F2838x 32-bit MCUs enable designers to use a single chip to implement connectivity, including EtherCAT, Ethernet and Controller Area Network with Flexible Data Rate (CAN FD), in AC servo drives and other industrial systems. Systems with communication interfaces often require an external application-specific […]

Filed Under: Microcontroller Tips Tagged With: texasinstrumentsinc

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