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L9301 Datasheet(PDF) 30 Page - STMicroelectronics

Part # L9301
Description  Automotive octal low side driver or quad low side plus quad high side driver
PDF  54 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9301 Datasheet(HTML) 30 Page - STMicroelectronics

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Low side driver
L9301
30/54
DS11400 Rev 9
In high-side configuration the short to battery and open load faults can be detected. The
fault is reported in a SPI register.
Figure 11. HS configuration diagnostic
The diagnostic blanking time is configurable through the dedicated diagoff_blank_sel bit.
The OFF diagnosis is triggered at driver OFF CMD and will not be refreshed after clearing
the flags. To recover the OFF diagnosis in OFF stage, send SPI to disable OFF diagnosis
and then enable it.
Table 22. LS diagnostic
DIAGOL
DIAGLV
FAULT DETECTION
0
0
no fault
0
1
not possible
1
0
open load
1
1
short to ground
Table 23. HS diagnostic
DIAGOL
DIAGLV
FAULT DETECTION
0
0
short to battery
0
1
not possible
1
0
open load
1
1
no fault
DRNx
SRCx
gm
VTOPEN
VTVBAT
GATE
DRIVER
off state
VOUTOPEN
DIAGOL
DIAGLV
ILOADx
I_HS_PD
I_HS_PU
VB
GAPG0309151534PS



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