TI introduces first fully integrated mono, Class-D audio amplifier for eCall, instrument cluster and telematics

Integrated diagnostics and load-dump protection provide reliability and simplify design

DALLAS, Aug. 25, 2014 — (PRNewswire) —  Texas Instruments (TI) (NASDAQ: TXN) today introduced the industry's first automotive Class-D audio amplifier to integrate load-dump protection and diagnostics in a single device for emergency call (eCall) and instrument cluster systems. Designers can eliminate multiple discrete components, simplify automotive-grade diagnostic design and extend battery back-up power with the mono-channel, analog differential input TAS5421-Q1. For more information and to order samples, visit www.ti.com/tas5421q1-pr.

TI introduces first fully integrated mono, Class-D audio amplifier for eCall, instrument cluster and telematics

Demand for eCall systems in cars is increasing. In case of a crash, the eCall system automatically communicates and broadcasts its location to the nearest emergency center, which can cut response time to save lives. eCall systems need to run reliably and autonomously for long periods of time using only backup battery power. System designers can take advantage of the TAS5421-Q1's 90 percent efficiency and low quiescent current to make this possible.

Key features and benefits of the TAS5421-Q1

  • Highest level of integration: Integrates 40-V load dump and over-temperature to protect against harsh automotive conditions, such as load dump, that can damage the Class-D amplifier.
  • High efficiency and low quiescent current: Eliminates the need to use additional battery cells, cutting overall system cost, space and weight compared to discrete solutions.
  • Integrated I2C diagnostics: Replaces discrete solutions with full automotive-grade diagnostics to reduce cost and development time, ensure reliability and decrease system complexity.

Automotive eCall reference design
Customers can accelerate the design of their eCall systems by taking advantage of a complete automotive eCall reference design comprised of analog AEC-Q100-qualified integrated circuits from TI. This design in the TI Designs reference design library includes the full bill-of-materials, schematics, test data and design files for quick design of an eCall system.

Availability, packaging and pricing
The TAS5421-Q1 is available in a 16-pin HTSSOP package with PowerPAD package. Suggested retail pricing in 1,000-unit quantities starts at US$1.74.

Learn more by visiting these links:

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.

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

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SOURCE Texas Instruments

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