KAWASAKI, Japan--(뉴스와이어)--Toshiba Electronic Devices & Storage Corporation (“Toshiba”) has started providing engineering samples of “TB9103FTG,” a gate driver IC[1] for automotive brushed DC motors, including latch motors[2] and lock motors[3] in power backdoors and power slide doors, and drive motors for power windows and power seats.

Formerly manually adjusted parts of automobiles are now largely electrified, which has increased both demand for electric motors and the number integrated into vehicles. The number of drivers used in motors has also increased, prompting moves to downsize and integrate overall systems. There are also some motor applications that do not require rotational speed control, and drivers with simple functions and performance are required for these applications.

TB9103FTG offers streamlined gate driver functions and performance for brushed DC motors that do not require speed-control, opening the way to more compact design. It has a built-in charge pump circuit[4] that ensures voltage needed to power external MOSFETs for driving motors. It also has a gate monitoring function that prevents the generation of through-current by automatic control of the output timing of the gate signal to the high-side and low-side external MOSFETs.

The new IC can also be used as one-channel H-bridge or two-channel half-bridges. In addition to application as a motor driver, it can be combined with an external MOSFET to replace mechanical relays and other mechanical switches, contributing to quiet operation and higher equipment reliability.

TB9103FTG is housed in a 4.0mm×4.0mm (typ.) P-VQFN24-0404-0.50-003 package, and contributes to equipment downsizing.

Notes:

[1] A driver to drive MOSFETs.

[2] Motors used in systems to hold a door closed.

[3] Motors used in systems that lock and unlock doors in conjunction with key operations to prevent crime.

[4] A circuit that uses a capacitor and switches to increase voltage.

Applications

Automotive equipment

· Driving latch motors and lock motors for power backdoor and power slide doors, and driving motors for windows, power seats, etc.

Features

· Minimized functions and performance to support downsizing

· Small package

· Low-power standby with built-in sleep function

· Can operate as a gate driver for one-channel H-bridge or two-channel half-bridges

Main Specifications

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Follow the link below for more on the new product.

TB9103FTG

Follow the link below for more on Toshiba’s products for automotive brushed DC motor driver ICs.

Automotive Brushed DC Motor Driver ICs

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About Toshiba Electronic Devices & Storage Corporation

Toshiba Electronic Devices & Storage Corporation, a leading supplier of advanced semiconductor and storage solutions, draws on over half a century of experience and innovation to offer customers and business partners outstanding discrete semiconductors, system LSIs and HDD products.

Its 19,400 employees around the world share a determination to maximize product value, and to promote close collaboration with customers in the co-creation of value and new markets. The company looks forward to building and to contributing to a better future for people everywhere.

Find out more about TDSC at https://toshiba.semicon-storage.com/ap-en/top.html

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