The TB62209FG is a stepping motor driver driven by chopper 

micro-step pseudo sine wave.

The TB62209FG integrates a decoder for CLK input in micro 

steps as a system to facilitate driving a two-phase stepping motor 

using micro-step pseudo sine waves. Micro-step pseudo sine 

waves are optimal for driving stepping motors with low-torque 

ripples and at low oscillation. Thus, the TB62209FG can easily 

drive stepping motors with low-torque ripples and at high 

efficiency.

Also, TB62209FG consists of output steps by DMOS (Power 

MOS FET), and that makes it possible to control the output 

power dissipation much lower than ordinary IC with bipolar 

transistor output.

The IC supports Mixed Decay mode for switching the attenuation ratio at chopping. The switching time for the 

attenuation ratio can be switched in four stages according to the load.

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