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4-Traders Homepage  >  Equities  >  Nasdaq  >  Texas Instruments Incorporated    TXN

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Texas Instruments : TI's 65-V micro-power buck converters feature industry's lowest quiescent current

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05/02/2016 | 11:00pm CEST

DALLAS, May 2, 2016 /PRNewswire/ -- Texas Instruments (TI) (NASDAQ: TXN) today introduced two 65-V, 150-mA synchronous DC/DC buck converters with the industry's lowest 10.5-uA quiescent current (I(Q)) for powering factory automation and automotive sensor applications requiring high efficiency. The industrial-grade LM5165 and automotive-grade LM5165-Q1 micro-power step-down regulators feature a wide input voltage (V(IN)) range and dual control modes for optimizing efficiency and printed circuit board (PCB) area. By using the regulators together with TI's WEBENCH(®) Power Design tool, engineers can get their factory and process automation designs to market faster. For more information, samples and an evaluation module, see www.ti.com/lm5165-pr.

https://photos.prnewswire.com/prnvar/20160429/361997

The wide 3-V to 65-V operating range enables the LM5165 and LM5165-Q1 micro-power regulators to handle the highest transients in industrial sensor and programmable logic controller (PLC) applications, as well as start-stop and load-dump conditions for 12-V/24-V lead-acid and emerging 48-V lithium-ion automotive batteries. Integrated dual metal-oxide semiconductor field-effect transistors (MOSFETs) reduce PCB area, while a programmable current-limit scheme reduces inductor size. Both regulators operate at junction temperatures up to 150ºC for higher temperature environments. The LM5165-Q1 is AEC-Q100 qualified for automotive applications.

LM5165 and LM5165-Q1 key features and benefits

    --  Low 10.5-uA standby I(Q) (operating with no load) enables 90-percent
        conversion efficiency at 1-mA to 10-mA loads to extend battery life in
        "always on" applications. Read the blog post "Powering smart sensor
        transmitters in industrial applications."
    --  100-percent duty cycle enables low-dropout operation, while a P-channel
        high-side MOSFET eliminates the bootstrap diode and capacitor.
    --  Dual-mode operation: a pulse frequency modulation (PFM) control mode
        enables the highest efficiency power supply design, while a constant
        on-time (COT) control mode provides higher output current and better
        electromagnetic interference (EMI) performance. Read the application
        note "Simple success with conducted EMI from DC/DC converters."
    --  Fixed 3.3-V and 5-V options eliminate external feedback resistor
        dividers to lower bill of materials (BOM).
    --  Programmable current limit optimizes inductor size and cost.

The LM5165 and LM5165-Q1 join TI's family of wide V(IN) DC/DC step-down regulators that include the LM5017, LM5160 and TPS54062. Get more information on TI's high-performance DC/DC converter portfolio for any power supply design.

Availability, packaging and pricing

The regulators are available in volume now from TI and its authorized distributors. Packaged in a 10-pin, 3-mm-by-3-mm VSON, the industrial-grade LM5165 is priced at US$1.35 in 1,000-unit quantities and the automotive-grade LM5165-Q1 is priced at US$1.58. Order the high-density COT LM5165EVM-HD-C50X and PFM LM5165EVM-HD-P50A evaluation modules. Download the LM5165 quick-start DC/DC synchronous buck converter design tool and PSPICE transient models.

Find out more about TI's power management portfolio:

    --  Search for solutions, get help and share knowledge in the TI E2E(TM)
        Community Power Management forum.
    --  Download power reference designs from the TI Designs reference design
        library.

About Texas Instruments

Texas Instruments Incorporated (TI) is a global semiconductor design and manufacturing company that develops analog integrated circuits (ICs) and embedded processors. By employing the world's brightest minds, TI creates innovations that shape the future of technology. TI is helping more than 100,000 customers transform the future, today. Learn more at www.ti.com.

About WEBENCH tools from Texas Instruments

WEBENCH Designer and Power Architect are the industry's only online tools that enable end-to-end circuit design, simulation and optimization for footprint, price and efficiency, with the ability to download schematic and PCB layout files directly into computer-aided design (CAD) tools. Component libraries include more than 40,000 components from 120 manufacturers, and TI's distribution partners update price and availability hourly. Offered in eight languages, users can compare complete system designs and make supply-chain decisions in minutes. Start a cost-free design now in TI's WEBENCH Power and Automotive Design environments.

Trademarks

WEBENCH is a registered trademark and TI E2E is a trademark of Texas Instruments. All other trademarks belong to their respective owners.

Photo - http://photos.prnewswire.com/prnh/20160429/361997

To view the original version on PR Newswire, visit:http://www.prnewswire.com/news-releases/tis-65-v-micro-power-buck-converters-feature-industrys-lowest-quiescent-current-300260479.html

SOURCE Texas Instruments

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