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