LV8814J Datasheet, PDF (25/36 Pages) ON Semiconductor – Motor Driver 3-Phase PWM Full-Wave BLDC

LV8811G, LV8813G, LV8814J
0.80s 0.32s
5.68s
0.80s 0.32s
Alignment Lock
Drive Detect
Lock start time
1.12sec
Lock Protect
( Hi-Z state )
Lock protection time
5.68sec
Alignment Lock
Drive Detect
Lock start time
1.12sec
Time
[sec]
Lock start time : Lock protection time = 1.12 : 5.68 ≈ 1: 5 (Protection-start ratio)
Figure 43. Timing chart example: Lock Protection for LV8811G
1.00s
0.76s
5.23s
1.00s
0.76s
Alignment
Drive
Lock
Detect
Lock start time
1.76sec
Lock Protect
( Hi-Z state )
Lock protection time
5.23sec
Alignment
Drive
Lock
Detect
Lock start time
1.76sec
Time
[sec]
Lock start time : Lock protection time = 1.76 : 5.23 ≈ 1: 3 (Protection-start ratio)
Figure 44. Timing chart example: Lock Protection for LV8813G and LV8814J
PWM
FG
U-Out
Current
of U-Out
Lock protect
Alignment
&
Lock detect
Lock protect
Re-start
Figure 45. Lock Protection (Case of the LV8811G)
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