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L9301 データシート(PDF) 24 Page - STMicroelectronics

部品番号 L9301
部品情報  Automotive octal low side driver or quad low side plus quad high side driver
PDF  51 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9301 データシート(HTML) 24 Page - STMicroelectronics

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Configurable high/low side driver
L9301
24/51
DocID028688 Rev 6
In high-side configuration the short to battery and open load faults can be detected. The
fault is reported in a SPI register.
Figure 10. 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 15. LS diagnostic
DIAGOL
DIAGLV
FAULT DETECTION
0
0
no fault
0
1
not possible
1
0
open load
1
1
short to ground
Table 16. HS diagnostic
DIAGOL
DIAGLV
FAULT DETECTION
0
0
short to ground
0
1
not possible
1
0
open load
1
1
no fault



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