Automotive Stepping Motor Driver IC:IC TB9120FTG

Block diagram

The TB9120FTG is a constant-current stepping motor driver IC capable of generating microstepped sine waves only from an input clock signal, eliminating the need for a high-performance MCU and software.

  • Clock input signal type
  • Constant current PWM with mixed decay mode
  • Number of microsteps per full step: Selectable from 1, 2, 4, 8, 16, and 32
  • Built in MOSFETs for 1A class
  • 0.8Ω (Upper + lower, typ.)
  • perating voltage：4.5～18V
    (Some characteristics are excluded from any guarantees in 4.5～7V.)
  • Max voltage ：40V　peak（load　dump）
  • Operation temp ：Ta＝-40~125℃
  • Package：　Wettable flank VQFN28
  • AEC-Q100： Qualified

TB9120FTG

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