Toshiba Launches Pre-Conductor Integrated Circuit Sample Shipments for Automotive Brushless Motors Supporting Functional Safety

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TOKYO – (COMMERCIAL THREAD) –Toshiba Electronic Devices & Storage Corporation (“Toshiba”) has started shipping test samples of “TB9083FTG”, a pre-conductor integrated circuit for automotive applications that include brushless motors for electric power steering systems and electric brakes. Toshiba will ship final samples in January 2022 and begin mass production in December 2022.

The TB9083FTG is a three-phase pre-driver that controls and drives external N-channel power MOSFETs to drive a three-phase brushless DC motor. It supports ASIL-D[1] functional safety[2] and its compliance with the 2nd edition of ISO 26262 enables use in highly safety-critical automotive systems.

The new integrated circuit has a built-in three-channel pre-driver for the safety relays that control and drive the motor and power relays. This eliminates the need for external components and helps reduce the number of parts.

TB9083FTG is housed in a small enclosure P-VQFN48-0707-0.50-005 (7.0mm x 7.0mm (typ.)) With a wettable sidewall[3] structure. As the need for a redundant design places restrictions on the electronic control unit board area, adopting these small housings reduces the total mounting area.

Remarks:

[1] ASIL (Automotive Safety Integrity Level): The highest level of automotive safety regulated by the functional safety standards ISO 26262.

[2] Standards based on functional safety seek to minimize the risks resulting from system failures. ISO 26262 certification recognizes that a company’s processes or products for electrical and electronic (E / E) systems for automotive applications meet the strict criteria specified in the standard and provides third parties with an independent means of assessing the capabilities of the industry. ‘a potential supplier.

[3] Shape of the lateral ducts of the packaging.

Applications

Automotive equipment

– Electric power steering, electric braking, various types of pump, etc.

Characteristics

– Supports functional safety

– Developed in accordance with ISO 26262 2nd edition

– Safety manual and safety analysis reports

– Integrated functional redundancy, ABIST[4], and LBIST[5]

– SPI[6] interface with CRC[7] verification

– Three-phase pre-driver

Three phase power MOSFET control and drive (Nch x 6pcs) are available

PWM switching frequency can be set up to 20 kHz

– Integrated three-channel pre-pilot for safety relay

It can control / drive three relays for each phase of the motor. Otherwise, one channel controls / drives three relays for the motor collectively and another two-channel control / pilot relay for the power supply.

– Integrated amplifier for motor current detection

For voltage amplification generated in the three-phase shunt resistor

6 types of gain configuration are possible.

– Small package

Small Surface Mount Wettable Sidewall Structure P-VQFN48-0707-0.50-005 with E-pad[8]

Remarks:

[4] ABIST (Analog Integrated Autotest)

[5] LBIST (Integrated Logic Autotest)

[6] SPI (Serial Peripheral Interface)

[7] CRC (cyclic redundancy check)

[8] E-pad (Pads exposed): Metal frame on the back of the package

Main specifications

Article number

TB9083FTG

Supported engines

Three-phase brushless DC motor

Main duties

SPI communication, current detection amplifier,

three-channel pre-pilot for safety relay, external clamping function MOSFET VGS

Self-diagnostic function

ABIST, LBIST

Error detection

Undervoltage detection, overvoltage detection,

external detection MOSFET VGS / VDS,

overheating detection

Operating voltage range

VB = 4.5V to 28V

VCC = 3.0V to 5.5V

External power supply

2 power supplies (VB, VCC)

Operating temperature

Ta = -40 ℃ to 150 ℃

Tj = -40 ℃ to 175 ℃

Wrap

name

P-VQFN48-0707-0.50-005

Size type (mm)

7.0 × 7.0

Reliability

Be AEC-Q100 qualified

Final sample offer

January 2022

Mass production

December 2022

Follow the link below to learn more about Toshiba Automotive Brushless Motor Driver ICs including Pre-Driver ICs.

Automotive Brushless Motor Driver Integrated Circuits

Customer requests:

System III Device Marketing Department

Automotive Marketing Group II

https://toshiba.semicon-storage.com/ap-en/contact.html

* Names of companies, products and services may be trademarks of their respective companies.

* The information contained in this document, including product prices and specifications, service content and contact information, is current as of the date of announcement but is subject to change without notice.

About Toshiba Electronic Devices & Storage Corporation

Toshiba Electronic Devices & Storage Corporation, a leading provider of advanced semiconductor and storage solutions, leverages more than half a century of experience and innovation to provide customers and business partners discrete semiconductors, system LSIs and exceptional HDD products.

The company’s 22,000 employees around the world share a determination to maximize product value and promote close collaboration with customers in the co-creation of value and new markets. With annual sales now exceeding 710 billion yen (US $ 6.5 billion), Toshiba Electronic Devices & Storage Corporation looks forward to building and contributing to a better future for people around the world.

Learn more about https://toshiba.semicon-storage.com/ap-en/top.html


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