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Toshiba Launches High-Current 4-Channel H-bridge Motor Driver IC

05 September, 2017

New device supports multiple brushed or stepping motors in a small, efficient package

Toshiba Launches High-Current 4-Channel H-bridge Motor Driver IC Click to enlarge

Toshiba Electronics Europe today announced the launch of a new 4-channel H-bridge motor driver IC that delivers up to 3.5A and 40V. The TB67H452FTG is intended for the significant and rapidly growing consumer market.

As more consumer products become portable and therefore battery-powered, there is an increasing need for motors that require high drive currents with low supply voltage such as electric tools, surveillance cameras and small domestic robots. The voltage and current ratings of Toshiba's new TB67H452FTG are ideally suited driving motors in these applications, and many more besides.

The 4-channel IC can simultaneously drive up to four brushed motors or, in stepping motor mode, can drive two stepping motors simultaneously. Designers also have the flexibility to drive two brushed motors and one stepping motor at the same time. When operating in stepping motor mode, the device can provide full, half and quarter step resolutions.

A low on-resistance of less than 0.6Ω ensures efficient operation in all applications. This already low figure can be further reduced to 0.3Ω in applications that require the ultimate efficiency by combining H-bridges. Efficient operation is further enhanced by a built-in sleep mode that reduces power consumption during standby.

The TB67H452FTG has additional built-in error detection functionality including over temperature detection, overcurrent detection and low voltage detection, thereby ensuring safe operation at all times.

Housed in a QFN48 package that measures just 7.0 mm x 7.0 mm x 0.9 mm, the new IC is ideally suited to modern applications where space is at a premium.

Mass production shipments commenced.

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·Before creating and producing designs and using, customers must also refer to and comply with the latest versions of all relevant TOSHIBA information and the instructions for the application that Product will be used with or for.