Compact, high-efficiency DC brushed motor driver IC with HSOP8 package

11-06-2019 | Toshiba | Power

Toshiba Electronics Europe has increased its line-up of DC brushed motor driver ICs with an extremely efficient, single-channel H-bridge driver providing a maximum rating of 50V/3.5A and the industry’s lowest standby current. Provided in a compact, HSOP8 surface mount package and highlighting a popular pinout, the TB67H450FNG is perfect for new DC brushed motor designs or as a plug-in replacement to improve and update existing applications as well as providing more product sourcing options.

The device, which is fabricated using the company's BiCD process, can drive brushed motors with voltages from 4.5V to 44V. Consequently, it is ideal for an extensive assortment of industrial and commercial equipment comprising office automation and banking terminals, robot vacuum cleaners, white goods, and other home appliances. Provides low standby current consumption of only 1µA, which is achieved due to a newly developed power supply circuit that controls the VCC regulator in standby mode. This adds to saving power in numerous modern battery-powered applications such as small household robots and electronic locks plus devices powered by 5V USB power supplies and increases the battery life of battery powered devices.

Able to drive DC brushed motors in a total of four constant-current modes (forward, reverse, brake and stop), the device can provide up to 50V/3.5A via a low on-resistance (0.6W) built-in MOSFET. The highly integrated motor driver IC comprises a single H-bridge channel and includes several error detection features such as TSD, ISD and UVLO. A built-in voltage regulator maintains internal circuit operation.

Measuring only 4.9mm x 6.0mm, the new IC reduces PCB space while giving excellent thermal performance via the inclusion of an E-pad.

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