DRV10975 Datasheet, PDF (46/57 Pages) Texas Instruments – 12-V, Three-Phase, Sensorless BLDC Motor Driver

DRV10975
SLVSCP2 – JANUARY 2015
www.ti.com
10.2.2 Detailed Design Procedure
1. Refer to the Design Requirements section and make sure your system meets the recommended application
range.
2. Refer to the DRV10975 Tuning Guide and measure the motor parameters.
3. Refer to the DRV10975 Tuning Guide. Configure the parameters using DRV10975 GUI, and optimize the
motor operation. The Tuning Guide takes the user through all the configurations step by step, including: start-
up operation, closed-loop operation, current control, initial positioning, lock detection, and anti-voltage surge.
4. Build your hardware based on Layout Guidelines.
5. Connect the device into system and validate your system solution.
10.2.3 Application Curves
FG
Phase
current
Phase
voltage
Figure 40. DRV10975 Start-Up Waveform
Figure 41. DRV10975 Operation Current Waveform
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