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TMCNet:  TI introduces ultra-low quiescent current, high-voltage LDOs for direct-to-battery automotive applications

[August 21, 2014]

TI introduces ultra-low quiescent current, high-voltage LDOs for direct-to-battery automotive applications

(ENP Newswire Via Acquire Media NewsEdge) ENP Newswire - 21 August 2014 Release date- 20082014 - DALLAS - Broadening its large portfolio of low drop-out regulators, Texas Instruments (NASDAQ: TXN) today introduced 17 new AEC-Q100-qualified, high-voltage LDOs for automotive and industrial applications.


The new ultra-low quiescent current LDOs, including the TPS7A16xx-Q1 with 60-V input, TPS7A66xx-Q1 and TPS7B67xx families, and the TPS7B4250-Q1 LDO, support many applications that connect directly to a car or truck battery, such as cluster, power steering and infotainment systems, door modules and lighting controls. For more information, to order samples or purchase evaluation modules for the new ultra-low quiescent current, high-voltage LDOs, visit www.ti.com/autoldo-pr.

Key features and benefits of the new LDOs: Ultra-low quiescent current extends battery life: The new LDOs achieve quiescent current as low as 10 uA in standby mode, resulting in lower power consumption and increased battery life.

Internal equivalent series resistance (ESR) compensation can help optimize system cost and stability: Designers have the flexibility to choose from a wide range of output capacitors, including ceramic, to reduce system cost and increase stability.

High input voltage allows automotive subsystems to connect directly to the car battery: The LDOs support input voltages of up to 40 V for normal operation and up to 45 V to support transient spikes in automotive designs. Additionally the TPS7A1601-Q1 can support up to 60-V normal operation for trucks and heavy-duty equipment.

Tracking function allows for more accurate data from the off-board sensors: Tracking provides close to zero tolerance between on-board and off-board power supplies. Tracking helps customers get more accurate data from the off-board sensors.

Integrated window watchdog supports functional safety: The integrated window watchdog enables customers to meet the functional safety requirements on the system level.

Tools and support Designers can test drive the new AEC-Q100-qualified LDOs using several featured evaluation modules and SPICE simulation models that make it easy to evaluate and design.

Availability, packaging and pricing The TPS7A16xx-Q1 LDOs are available in an 8-pin MSOP-PowerPad package priced at US$1.65 in 1,000-unit quantities. The TPS7A66xx-Q1 LDOs are available in an 8-pin MSOP-PowerPad package priced at US$0.60 in 1,000-unit quantities. The TPS7B67xx-Q1 LDOs are available in a 20-pin HTSSOP package priced at US$0.80 in 1,000-unit quantities.

Texas Instruments drives automotive innovation TI's state-of-the-art semiconductor products allow manufacturers and system suppliers to deliver world-class features to the automotive market. Our extensive automotive portfolio includes analog power management, interface and signal chain solutions, along with DLP displays, ADAS and infotainment processors, Hercules TMS570 microcontrollers and wireless connectivity solutions.

TI offers SafeTI devices designed to help facilitate OEMs' compliance with the requirements of ISO 26262, as well as parts specifically designated as compliant with the AEC-Q100 and TS16949 standards, all with product documentation. Visit TI's Automotive page or TI's E2E Community Behind the Wheel Blog to learn more about our commitment to automotive innovation.

About Texas Instruments Texas Instruments Incorporated (TI) is a global semiconductor design and manufacturing company that develops analog 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.

Media Contact: Whitney Jodry Tel: 214-479-0952 Email: wjodry@ti.com (c) 2014 Electronic News Publishing -

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