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Compact driver IC for automotive throttle control

Compact driver IC for automotive throttle control

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By eeNews Europe



While primarily targeted at vehicle engine applications, such as electronic throttle and valve control, the IC is also suitable for control of on-board systems operating at up to 5A, such as control of wing mirrors and locks for car boots (trunks).

The TB9051FTG is a single channel H-Bridge that supports two power supplies (VBAT and VCC). In addition to forward, reverse and brake functions, it is also capable of PWM control, current limit control and usable for high-side current monitoring, diagnosis output and power on reset (POR) circuitry. The new device provides efficient operation in a P-QFN28 package (6 × 6mm).

On-resistance is 0.34Ω (high-side + low-side, max). The TB9051FTG applies DMOS transistors as driver elements. The IC also uses various built-in failure detection features for functional safety. These include over current, over heat, low voltage and high voltage detection circuits. The TB9051FTG has an operational voltage range of VBAT=4.5V to 28V and VCC=4.5V to 5.5V.

Toshiba adds that it has carried out a variety of testing on the TB9051FTG to simulate various system failures and will provide customers with documentation to support safety analysis and design. Sample shipments will begin in September 2015, with mass production scheduled to commence in October 2016.

Toshiba Electronics Europe; www.toshiba.semicon-storage.com

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