Motor Driver ICs

February 1, 2015

Toshiba America Electronic Components (San Jose, CA) offers four motor driver ICs, ranging from precision stepper motor drivers to sensorless brushless DC motor drivers. The TB67S269FTG bipolar stepping motor driver has a maximum rating of 50V and 2.0A. Three brushless DC motor drivers — the TB67B001FTG, TB67B008FTG, and TB67B008FNG — feature maximum rating of 25V and 3.0A. The TB67S269FTG targets applications requiring high-speed, high-precision motor drives. The driver’s high-resolution, 1/32-step motor driving technology lowers noise and vibration, while heat generation is reduced via low ON resistance (0.8Ω or less, upper + lower) MOSFET H-bridges and featuring Toshiba’s Advanced Mixed Decay (ADMD) technology that optimizes the drive capability of complex motor currents.

The brushless DC motor drivers are three-phase sensorless driver ICs for small cooling fans. The new products feature a 150-degree wide-angle commutation drive, which contributes to reduced vibration and motor noise, and 30,000-rpm motor rotation utilizing a high-speed pulse-width modulation (PWM) drive to enhance cooling.

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