Toshiba TB9120AFTG stepping motor driver
Toshiba Electronic Devices & Storage Corporation has launched TB9120AFTG, a constant-current two-phase stepping motor driver for automotive applications. The IC outputs a sine-wave current using only a simple clock input interface, with no need for an advanced functional MCU or dedicated software.
The product incorporates DMOS FETs with low on-resistance (upper + lower = 0.8Ω typ), which achieve a maximum current of 1.5 A. Both the DMOS FETs and the controller that generates micro-stepping sine waves (supporting up to 1/32 steps) are housed in a small QFN type package (6 x 6 mm).
The IC delivers an operating temperature range of -40 to 125°C and meets AEC-Q100, a certified standard for electronic components for automotive applications. It is suitable for a wide range of automotive general applications using stepping motors, such as adjustment of the projection position of heads-up displays and the expansion valves of refrigerant circuits.
Phone: 02 9887 6000
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