TB62209FG

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 output steps by DMOS (Power MOS FET), and that makes 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.

Features 

• Bipolar stepping motor can be controlled by a single driver IC 

• Monolithic BiCD IC • Low ON-resistance of Ron = 0.5 Ω (Tj = 25°C @1.0 A: typ.) 

• Built-in decoder and 4-bit DA converters for micro steps 

• Built-in ISD, TSD, VDD &VM power monitor (reset) circuit for protection 

• Built-in charge pump circuit (two external capacitors) 

• 36-pin power flat package (HSOP36-P-450-0.65) 

• Output voltage: 40 V max • Output current: 1.8 A/phase max 

• 2-phase, 1-2 (type 2) phase, W1-2 phase, 2W1-2 phase, 4W1-2 phase, or motor lock mode can be selected. 

• Built-in Mixed Decay mode enables specification of four-stage attenuation ratio. 

• Chopping frequency can be set by external resistors and capacitors. High-speed chopping possible at 100 kHz or higher.

Note: When using the IC, pay attention to thermal conditions. These devices are easy damage by high static voltage. In regards to this, please handle with care.

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方向：

Stepping Motor Driver IC Using PWM Chopper Type