DRV8711_15 Datasheet, PDF (28/44 Pages) Texas Instruments – DRV8711 Stepper Motor Controller IC

DRV8711
SLVSC40E – JUNE 2013 – REVISED MARCH 2015
BIT
NAME
SIZE R/W
7-6
TDRIVEP
2
R/W
9-8
IDRIVEN
2
R/W
11-10
IDRIVEP
2
R/W
DEFAULT
01
00
00
DESCRIPTION
High-side gate drive time
00: 250 ns
01: 500 ns
10: 1 µs
11: 2 µs
Low-side gate drive peak current
00: 100 mA peak (sink)
01: 200 mA peak (sink)
10: 300 mA peak (sink)
11: 400 mA peak (sink)
High-side gate drive peak current
00: 50 mA peak (source)
01: 100 mA peak (source)
10: 150 mA peak (source)
11: 200 mA peak (source)
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7.6.9 STATUS Register Address = 0x7h
BIT
NAME
SIZE R/W
DEFAULT
0
OTS
1
R
0
1
AOCP
1
R/W
0
2
BOCP
1
R/W
0
3
APDF
1
R/W
0
4
BPDF
1
R/W
0
5
UVLO
1
R
0
6
STD
1
R
0
7
STDLAT
1
R/W
0
11-8
Reserved
4
-
-
DESCRIPTION
0: Normal operation
1: Device has entered overtemperature shutdown
OTS bit will clear once temperature has fallen to safe levels
0: Normal operation
1: Channel A overcurrent shutdown
Write a ‘0’ to this bit to clear the fault and resume operation
0: Normal operation
1: Channel B overcurrent shutdown
Write a ‘0’ to this bit to clear the fault and resume operation
0: Normal operation
1: Channel A predriver fault
Write a ‘0’ to this bit to clear the fault and resume operation
0: Normal operation
1: Channel B predriver fault
Write a ‘0’ to this bit to clear the fault and resume operation
0: Normal operation
1: Undervoltage lockout
UVLO bit will clear after VM has increased over V_UVLO
0: Normal operation
1: Stall detected
0: Normal operation
1: Latched stall detect
Write a ‘0’ to this bit to clear the fault and resume operation
Reserved
28
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