DRV2624 Datasheet, PDF (58/79 Pages) Texas Instruments – DRV2624 Ultra Low Power Closed-Loop LRA/ERM Haptic Driver with Internal Memory

DRV2624
SLOS893A – DECEMBER 2015 – REVISED DECEMBER 2015
8.7.41 Address: 0x28
Figure 85. 0x28
7
R/W-0
6
5
BLANKING_TIME[3:0]
R/W-0
R/W-0
4
R/W-1
3
R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 42. Address: 0x28
2
1
IDISS_TIME[3:0]
R/W-0
R/W-0
BIT FIELD
7-4 BLANKING_TIME[3:0]
3-0 IDISS_TIME[3:0]
TYPE
R/W
R/W
DEFAULT DESCRIPTION
1
Time waiting for BEMF to settle. Before ADC sampling.
0
LRA: 15 us, ERM: 45 us.
1
LRA: 25 us, ERM: 75 us.
2
LRA: 50 us, ERM: 150 us.
3
LRA: 75 us, ERM: 225 us.
4
LRA: 90 us, ERM: NA.
5
LRA: 105 us, ERM: NA.
6
LRA: 120 us, ERM: NA.
7
LRA: 135 us, ERM: NA.
8
LRA: 150 us, ERM: NA.
9
LRA: 165 us, ERM: NA.
10
LRA:180 us, ERM: NA.
11
LRA: 195 us, ERM: NA.
12
LRA: 210 us, ERM: NA.
13
LRA: 235 us, ERM: NA.
14
LRA: 260 us, ERM: NA.
15
LRA: 285 us, ERM: NA.
1
Time waiting for inductor current to discharge
0
LRA: 15 us, ERM: 45 us.
1
LRA: 25 us, ERM: 75 us.
2
LRA: 50 us, ERM: 150 us.
3
LRA: 75 us, ERM: 225 us.
4
LRA: 90 us, ERM: NA.
5
LRA: 105 us, ERM: NA.
6
LRA: 120 us, ERM: NA.
7
LRA: 135 us, ERM: NA.
8
LRA: 150 us, ERM: NA.
9
LRA: 165 us, ERM: NA.
10
LRA: 180 us, ERM: NA.
11
LRA: 195 us, ERM: NA.
12
LRA: 210 us, ERM: NA.
13
LRA:235 us, ERM: NA.
14
LRA: 260 us, ERM: NA.
15
LRA: 285 us, ERM: NA.
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0
R/W-1
58
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