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L9929 Datasheet(PDF) 9 Page - STMicroelectronics

Part # L9929
Description  SPI CONTROLLED H-BRIDGE
PDF  23 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9929 Datasheet(HTML) 9 Page - STMicroelectronics

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L9929
3Truth Table
Table 7. Truth Table
tdt
Transfer Delay (8)
(referred to master)
150
ns
tSCKH
Serial clock high time (9)
(referred to master)
50
ns
tSCKL
Access time (10)
(referred to master)
8.35
µs
Clock inactive before
chipselect becomes valid (11)
200
ns
Clock inactive after
chipselect becomes valid (12)
200
ns
trs
Rise-, fall time
Load on SO 50pF
20
ns
TIMING
Diagnostic Threshold
(Open Load Detection DMS > 3.1V, EN < 18V and/or DI > 2V)
VOUT1
VOUT2
Load is available
0.8
0.8
V
V
VOUT1
VOUT2
Load is missing
1
VS
0.8
V
V
IOUT2
IOUT1
Diagnostic Current
DMS > 3.1V, EN < 0.8V
EN < 18V and/or DI > 2V
700
1000
1000
1500
1350
2000
µA
µA
Tracking Diagnostic Current
IOUT1 / IOUT2
1.4
1.5
1.6
tD
Delay Time
* After disabling the device, the
load has to be demagnetized
during tD ,to avoid erroneous OL
detection
30
100
ms
Pos.
DI
EN
IN1
IN2
OUT1
OUT2
SF 3)
SPI 4)
DIA_REG
1. Forward
L
H
H
L
H
L
H
See
Diagnostics
/ Encoding
of Failures
2. Reverse
L
HL
HLH
H
3. Free-wheeling low
L
H
L
L
L
L
H
4. Free-wheeling high
L
H
HHHH
H
5. Disable
H
X
X
X
Z
Z
L
6. Enable
X
L
X
X
Z
Z
Z
7. IN1 disconnected
L
H
Z
X
H
X
H
8. IN2 disconnected
L
H
X
Z
X
H
L
9. DI disconnected
Z
X
X
X
Z
Z
L
10. EN disconnected
X
Z
X
X
Z
Z
L
11. Current limit. active
L
H
X
X
Z
Z
H
12. Undervoltage active1.)
XX
XX
Z
Z
L
13. Overtemperature 2.)
XX
XX
Z
Z
L
14. Overcurrent 2.)
XX
XX
Z
Z
L
Table 5. Electrical Characteristcs (continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit



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