New Voltage Regulator IC for Automotive Applications From Toshiba Achieves World's Lowest Power Consumption

SAN JOSE, Calif., Sept. 23 /PRNewswire/ -- Toshiba America Electronic Components, Inc. (TAEC) today announced a new voltage regulator integrated circuit (IC) for automotive applications that currently achieves the world's lowest power consumption, only 95 microamperes, for this device category. Designated TB9001FN, the device has a built-in 32-kilohertz (KHz) sub-clock circuit that replaces external components such as shock-sensitive crystals and ceramics. The voltage regulator IC offers longer battery life and stable output voltage over a wide range of operating temperatures.

"An increasing number of microcontrollers are being used in automotive vehicles, including devices to control anti-theft systems, auto-lock systems and car area network systems," said Farhad Mafie, vice president of the ASSP Business Unit at TAEC. "These convenience features consume current, even when the engine is switched off and the microcontroller is in sleep mode, placing considerable strain on the vehicle battery. With its low-power consumption and integrated sub-clock circuit, our new voltage regulator IC provides a highly reliable solution to this problem."

"The new device's power consumption of only 95 microamperes is currently the world's lowest for this product category and approximately 20 percent lower than Toshiba's previous product, TB9000F," commented Lee Estrada, director of the APIC Business Unit at TAEC. "Other manufacturers can't match our low current consumption and their regulator ICs sacrifice some functionality as well." He said that Toshiba engineers employed BiCD process technology and optimized internal circuitry to achieve this result. BiCD refers to the integration of bipolar transistors, complementary metal oxide semiconductor (CMOS) field effect transistors (FETs) and high-voltage and huge-electric current double-diffused metal oxide semiconductor (DMOS) process technology.

Pricing and Availability

Samples of TB9001FN are available today at $1.50 per piece in 100,000-piece quantities. Mass production is slated to begin in the second quarter of 2003 at a monthly volume of one million units.

    Technical Specification Summary

     Part Number                        TB9001FN
     Process Technology                 BiCD
     Output Voltage                     5 volts (V) with a three percent
                                        tolerance
     Input Voltage                      45V (1s) maximum at 25 degrees
                                        Celsius (C)
     Current Consumption                95 microamperes (typical)
     Operating Temperature              -40 degrees to +125 degrees C
     Internal System Reset Functions    Low voltage reset
                                        Power on reset
                                        Watchdog timer
     Other Functions                    Built-in 32KHz sub-clock circuit
                                        Built-in adjustable current limiter
                                        with an external resistor
                                        External output transistor to supply
                                        optimum output current
     Package                            Plastic shrink small outline
                                        package -- 20-pin/pin pitch 0.65
                                        millimeters


About TAEC

Combining quality and flexibility with design engineering expertise, TAEC brings a breadth of advanced, next-generation technologies to its customers. This broad offering includes semiconductors, flash memory-based storage solutions, optical communication devices, displays and rechargeable batteries for the computing, wireless, networking, automotive and digital consumer markets.

TAEC is an independent operating company owned by Toshiba America, Inc., a subsidiary of Toshiba, the second largest semiconductor company worldwide in terms of global sales for the year 2001 according to Gartner/Dataquest's Worldwide Semiconductor Market Share Ranking. Toshiba is a world leader in high-technology products with more than 300 major subsidiaries and affiliates worldwide. For additional company and product information, please visit TAEC's web site at chips.toshiba.com . For technical inquiries, please e-mail Email Contact.

For further information, please contact Deborah Chalmers of Toshiba America Electronics Components, Inc., +1-408-526-2454, Email Contact; or Judy Kahn, +1-650-948-8881, Email Contact, for Toshiba America Electronics Components, Inc.



Source: Toshiba America Electronic Components, Inc.

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