DRV10987 Datasheet, PDF (55/69 Pages) Texas Instruments – DRV10987 12- to 24-V, Three-Phase, Sensorless BLDC Motor Driver

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Table 29. CONFIG3 Register Field Descriptions (continued)
Bit Field
7:6 OpenLCurr[1:0]
5:3 OpLCurrRt[2:0]
2:0 BrkDoneThr[2:0]
Type
R/W
Reset
00
R/W
000
R/W
000
Description
Open-loop current setting.
00: 0.2 A
01: 0.4 A
10: 0.8 A
11: 1.6 A
Align current setting.
00: 0.15 A
01: 0.3 A
10: 0.6 A
11: 1.2 A
Open-loop current ramp-up setting.
000: 6 V_CC/s
001: 3 V_CC/s
010: 1.5 V_CC/s
011: 0.7 V_CC/s
100: 0.34 V_CC/s
101: 0.16 V_CC/s
110: 0.07 V_CC/s
111: 0.023 V_CC/s
Braking mode setting.
000: No brake (BrkEn = 0)
001: 2.7 s
010: 1.3 s
011: 0.67 s
100: 0.33 s
101: 0.16 s
110: 0.08 s
111: 0.04 s
DRV10987
SLVSE89 – AUGUST 2017
8.5.3.24 CONFIG4 Register (address = 0x93) [reset = 0x00]
Figure 62. CONFIG4 Register
15
Reserved
R-0
7
Op2ClsThr[4]
R/W-0
14
AccelRangeSel
R/W-0
6
Op2ClsThr[3]
R/W-0
13
StAccel2[2]
R/W-0
5
Op2ClsThr[2]
R/W-0
12
StAccel2[1]
R/W-0
4
Op2ClsThr[1]
R/W-0
11
StAccel2[0]
R/W-0
3
Op2ClsThr[0]
R/W-0
10
StAccel[2]
R/W-0
2
AlignTime[2]
R/W-0
9
StAccel[1]
R/W-0
1
AlignTime[1]
R/W-0
8
StAccel[0]
R/W-0
0
AlignTime[0]
R/W-0
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