DRV10866_15 Datasheet, PDF (12/22 Pages) Texas Instruments – 5V, 3Phase, Sensorless BLDC Motor Driver

DRV10866
SBVS206A – NOVEMBER 2012 – REVISED MARCH 2015
www.ti.com
Figure 9. Re-Synchronizing to Spinning Motor During
Power On-Off Cycle at 5 V
V_IN = 5 V, PWM Duty = 100%
FG
Phase Voltage
Phase Current
Time (100 ms/div)
Figure 11. Start-Up at 100% Duty Cycle
FG
V_IN = 5 V, PWM Duty = 100%
Phase Voltage
Phase Current
Figure 10. Re-Synchronizing to Spinning Motor During
Power On-Off Cycle at 1.8 V
FG
Phase Voltage
Phase Current
V_IN = 5 V, PWM Duty = 10%
Time (100 ms/div)
Figure 12. Start-Up at 10% Duty Cycle
V_IN = 5 V, PWM Duty = 50%
FG
Phase Voltage
Phase Current
Time (5 ms/div)
Figure 13. Normal Operation at 100% Duty Cycle
Time (5 ms/div)
Figure 14. Normal Operation at 50% Duty Cycle
12
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