l9929xp STMicroelectronics, l9929xp Datasheet - Page 9

• Manufacturer Part Number: l9929xp
• Description: Spi Controlled H-bridge
• Manufacturer: STMicroelectronics

Table 5. Electrical Characteristcs (continued)
3
Table 7. Truth Table
TIMING
10. EN disconnected
11. Current limit. active
12. Undervoltage active
13. Overtemperature
14. Overcurrent
Symbol
t
V
V
V
V
1. Forward
2. Reverse
3. Free-wheeling low
4. Free-wheeling high
5. Disable
6. Enable
7. IN1 disconnected
8. IN2 disconnected
9. DI disconnected
t
I
I
SCKH
SCKL
OUT2
OUT1
OUT1
OUT2
OUT1
OUT2
t
t
t
dt
rs
D
Truth Table
Transfer Delay (8)
(referred to master)
Serial clock high time (9)
(referred to master)
Access time (10)
(referred to master)
Clock inactive before
chipselect becomes valid (11)
Clock inactive after
chipselect becomes valid (12)
Rise-, fall time
Diagnostic Threshold (Open Load Detection DMS > 3.1V, EN < 18V and/or DI > 2V)
Diagnostic Current
Tracking Diagnostic Current
Delay Time
Pos.
2.)
2.)
Parameter
1.)
DI
H
X
X
X
X
X
L
L
L
L
L
L
Z
L
EN
H
H
H
H
X
H
H
H
X
X
X
L
X
Z
Load on SO 50pF
Load is available
Load is missing
DMS > 3.1V, EN < 0.8V
EN < 18V and/or DI > 2V
I
* After disabling the device, the
load has to be demagnetized
during tD ,to avoid erroneous OL
detection
OUT1
/ I
OUT2
IN1
Test Condition
H
H
X
X
Z
X
X
X
X
X
X
X
L
L
IN2
H
H
X
X
X
X
X
X
X
X
X
L
L
Z
OUT1
H
H
H
L
L
Z
Z
X
Z
Z
Z
Z
Z
Z
1000
Min.
8.35
150
200
200
700
0.8
0.8
1.4
50
20
30
OUT2
1
H
H
Z
Z
X
H
Z
Z
Z
Z
Z
Z
L
L
1000
1500
Typ.
1.5
SF
H
H
H
H
H
H
L
Z
L
L
L
L
L
L
3)
Max.
1350
2000
100
0.8
1.6
V
S
/ Encoding
Diagnostics
of Failures
DIA_REG
SPI
See
L9929
Unit
ms
µ A
µ A
ns
ns
µ s
ns
ns
ns
V
V
V
V
4)
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