 English |
|
|
|
|
|
|
|
| DRV10975_15 Datasheet, PDF (43/57 Pages) Texas Instruments – DRV10975 12-V, Three-Phase, Sensorless BLDC Motor Driver | |||
| |||
| ◁ |
www.ti.com
Table 9. Register Description (continued)
Register
Name
Address Bits
Data
7:6 CtrlCoef[1:0]
SysOpt3 (3)
0x25
5:3 StAccel2[2:0]
2:0 StAccel[2:0]
7:3 Op2ClsThr[4:0]
SysOpt4 (3)
0x26
2:0 AlignTime[2:0]
SysOpt5 (3)
0x27
7
FaultEn3
(LockEn[3])
6 LockEn[2]
5 LockEn[1]
4 LockEn[0]
3 AVSIndEn
2 AVSMEn
1 AVSMMd
0 IPDRlsMd
Description
Control coefficient
00 = 0.25
01 = 0.5
10 = 0.75
11 = 1
Open loop start-up accelerate (second order)
000 = 57 Hz/s2
001 = 29 Hz/s2
010 = 14 Hz/s2
011 = 6.9 Hz/s2
100 = 3.3 Hz/s2
101 = 1.6 Hz/s2
110 = 0.66 Hz/s2
111 = 0.22 Hz/s2
Open loop start-up accelerate (first order)
000 = 76 Hz/s
001 = 38 Hz/s
010 = 19 Hz/s
011 = 9.2 Hz/s
100 = 4.5 Hz/s
101 = 2.1 Hz/s
110 = 0.9 Hz/s
111 = 0.3 Hz/s
Open to closed loop threshold
0xxxx = Range 0: n à 0.8 Hz
00000 = N/A
00001 = 0.8 Hz
00111 = 5.6 Hz
01111 = 12 Hz
1xxxx = Range 1: (n + 1) Ã 12.8 Hz
10000 = 12.8 Hz
10001 = 25.6 Hz
10111 = 192 Hz
11111 = 204.8 Hz
Align time.
000 = 5.3 s
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
No motor fault. Enabled when high
Abnormal Kt. Enabled when high
Abnormal speed. Enabled when high
Lock detection current limit. Enabled when high
Inductive AVS enable. Enabled when high
Mechanical AVS enable. Enabled when high
Mechanical AVS mode
0 = AVS to VCC
1 = AVS to 24 V
IPD release mode
0 = Brake when inductive release
1 = Hi-z when inductive release
DRV10975
SLVSCP2 â JANUARY 2015
Copyright © 2015, Texas Instruments Incorporated
Product Folder Links: DRV10975
Submit Documentation Feedback
43
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese