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TB62206FGのシミュレーション

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TB62206FG(東芝セミコンダクター)のモータドライバ回路のシミュレーション

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TB62206FGのシミュレーション

  1. 1. TB62206FGのアプリケーションシミュレーション<br />All Rights Reserved copyright (C) Bee Technologies Inc. 2008<br />
  2. 2. モータ・ドライバICのアプリケーション回路シミュレーション<br />TB62206FG(東芝セミコンダクター社)<br />ステッピングモータ<br />キー・デバイス(IC)<br />TB62206FG<br />Phase current is simulated at fchop=100kHz to predict motor current ripple.<br />All Rights Reserved copyright (C) Bee Technologies Inc. 2008<br />
  3. 3. モータ・ドライバICのアプリケーション回路シミュレーション<br />TB62206F/FG BiCD PWM 2-Phase Bipolar Stepping Motor Driver<br />All Rights Reserved copyright (C) Bee Technologies Inc. 2008<br />
  4. 4. モータ・ドライバICのアプリケーション回路シミュレーション<br />Device Feature:<br />• Input logic to drive Bipolar Step Motor<br />• Internal OSC<br />• Current Level Set<br />• Mixed Decay Control<br />• Charge Pump Unit<br />• H-Bridge Output<br />• Protection Unit<br />All Rights Reserved copyright (C) Bee Technologies Inc. 2008<br />
  5. 5. モータ・ドライバICのアプリケーション回路シミュレーション<br />Model is include:<br /> Input logic to drive Bipolar Step Motor<br /> Internal OSC<br /> Current Level Set<br /> Mixed Decay Control<br /> Charge Pump Unit<br />H-Bridge Output<br /> Protection Unit (Over Current Protection<br />Behavioral Logic Model<br />All Rights Reserved copyright (C) Bee Technologies Inc. 2008<br />
  6. 6. モータ・ドライバICのアプリケーション回路シミュレーション<br />H-Bridge Outputをビヘイビアモデルから素子モデル化<br />Model is include:<br /><ul><li> Diode Snap Curren
  7. 7. MOSFET Shoot-through Current</li></ul>All Rights Reserved copyright (C) Bee Technologies Inc. 2008<br />
  8. 8. モータ・ドライバICのアプリケーション回路シミュレーション<br />MIXED DECAY MODE Waveform (current waveform)<br />Datasheet Diagram<br />Simulation Result<br />All Rights Reserved copyright (C) Bee Technologies Inc. 2008<br />
  9. 9. モータ・ドライバICのアプリケーション回路シミュレーション<br />Phase Input vs. Phase Output Current ( 250Hz Phase Frequency )<br />Current Ripple<br />Input Control Signal <br />Phase (A)<br />Input Control Signal <br />Phase (B)<br />Motor Phase Current<br />All Rights Reserved copyright (C) Bee Technologies Inc. 2008<br />
  10. 10. モータ・ドライバICのアプリケーション回路シミュレーション<br />MIXED DECAY MODE Current Waveform<br />Motor Phase Current (Ripple)<br />Output V(A)<br />Output V(A)<br />All Rights Reserved copyright (C) Bee Technologies Inc. 2008<br />
  11. 11. モータ・ドライバICのアプリケーション回路シミュレーション<br />Charge Pump Rise Time<br />Ccp1 Pin Voltage<br />STANDBY Input Signal<br />All Rights Reserved copyright (C) Bee Technologies Inc. 2008<br />
  12. 12. モータ・ドライバICのアプリケーション回路シミュレーション<br />Half Step Control Signal<br />Simulation Result<br />Simulation Explore Rate of Current Change <br />All Rights Reserved copyright (C) Bee Technologies Inc. 2008<br />
  13. 13. モータ・ドライバICのアプリケーション回路シミュレーション<br />Phase Inductnace (Ls) vs. Frequency (ステッピング・モーター)<br />Phase Inductance (Ls) is selected at phase frequency 100kHz<br />Ls = 2.315mH<br />All Rights Reserved copyright (C) Bee Technologies Inc. 2008<br />
  14. 14. モータ・ドライバICのアプリケーション回路シミュレーション<br />Phase Inductor model (100k-1MHz)<br />Agilent 4294A<br />Motor coil is modeled from an inductor series with resistor. <br />Model parameters are extracted to fit characteristics around chopping <br />frequency (100kHz).Ls=2.315mH, Rs=8.7ohm<br />All Rights Reserved copyright (C) Bee Technologies Inc. 2008<br />
  15. 15. モータ・ドライバICのアプリケーション回路シミュレーション<br />Measured result: Mixed Decay Mode ripple current<br />Measured result show the ripple current <br />Snap Current<br />Motor Phase Current<br />Ripple Current Magnitude<br />Output V(A)<br />Output V(A)<br />All Rights Reserved copyright (C) Bee Technologies Inc. 2008<br />
  16. 16. モータ・ドライバICのアプリケーション回路シミュレーション<br />Simulated result: (the chopping frequency is approximately 100kHz)<br />The result show how model simulate Ripple Current Magnitude at fchop is approximately 100kHz.<br />Motor Phase Current: V(X_U1.IOUT_A1)<br />Snap Current<br />Ripple Current Magnitude<br />Output V(A):<br />V(U1:OUT_A1)<br />Output V(A): V(U1:OUT_A)<br />All Rights Reserved copyright (C) Bee Technologies Inc. 2008<br />

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