SLVAFF1 January   2023 DRV8452 , DRV8462

PRODUCTION DATA  

1.   Abstract
2.   Trademarks
3. 1Power Efficiency of Stepper Motor Drivers
4. 2Auto-Torque
   1. 2.1 Auto-Torque: Learning Principle
      1. 2.1.1 Configuring Auto-Torque Learning Routine
   2. 2.2 Current Control
      1. 2.2.1 Setting Current Control Parameters
   3. 2.3 PD Control Loop
   4. 2.4 Impact of Auto-Torque Tuning Parameters
      1. 2.4.1 Impact of Learning Parameters on Load Transient Response
      2. 2.4.2 Impact of ATQ_UL, ATQ_LL Hysteresis
      3. 2.4.3 Impact of Load Profile on Power Saving
      4. 2.4.4 Adaptive ATQ_UL, ATQ_LL
      5. 2.4.5 PD Parameter Dependency Curves
         1. 2.4.5.1 Dependency on KP
         2. 2.4.5.2 Dependency on KD and ATQ_D_THR
         3. 2.4.5.3 Dependency on ATQ_FRZ and ATQ_AVG
         4. 2.4.5.4 Dependency on ATQ_ERROR_TRUNCATE
      6. 2.4.6 ATQ_CNT at Different Motor Speeds
      7. 2.4.7 ATQ_CNT at Different Supply Voltages
      8. 2.4.8 Motor Temperature Estimation
   5. 2.5 Efficiency Improvement With Auto-Torque
5. 3Case Studies
   1. 3.1 Application 1: ATM Machines
      1. 3.1.1 ATM Motor Operating Conditions
      2. 3.1.2 ATM Motor With Auto-Torque
   2. 3.2 Application 2: Textile Machines
      1. 3.2.1 Textile Motor Operating Conditions
      2. 3.2.2 Textile Motor With Auto-Torque
   3. 3.3 Application 3: Printer
      1. 3.3.1 Printer Motor With Auto-Torque
6. 4Summary
7. 5References