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TB9120AFTG - Bipolar stepping motor driver

Datasheet Summary

Description

Pin No.

Features

  • A two-phase bipolar stepping motor can be driven with a single chip.
  • Adoption of PWM constant-current control.
  • Built-in a mixed decay mode.
  • Excitation mode selectable: full, half, quarter, 1/8, 1/16, and 1/32 step.
  • On-resistance of power MOSFETs: Ron(H+L)=0.8Ω(typ. ).
  • Input power supply voltage(VBAT): 40V(max).
  • Maximum output driving current: Overcurrent detection value, 2.0A(typ. ).
  • Internal voltage 5V(VccOUT).
  • Anomaly detection functions: Over tempe.

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Datasheet Details

Part number TB9120AFTG
Manufacturer Toshiba
File Size 2.86 MB
Description Bipolar stepping motor driver
Datasheet download datasheet TB9120AFTG Datasheet
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Full PDF Text Transcription

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Bi-CMOS Integrated Circuit Silicon Monolithic TB9120AFTG TB9120AFTG Bipolar stepping motor driver with a clock input interface for automotive applications 1 Overview TB9120AFTG is a two-phase bipolar stepping motor driver with a clock input interface and a PWM constant-current control system. It can be used for a small stepping motor in a wide range of automotive applications. 2 Applications Small stepping motors for automotive applications such as an adjustment to an angle of a concave mirror in HUD, valves in motorcycles and valves/dampers for HVAC P-VQFN28-0606-0.65-002 Product weight : 0.10g(typ.) 3 Features  A two-phase bipolar stepping motor can be driven with a single chip.
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