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L9908 データシート(PDF) 36 Page - STMicroelectronics

部品番号 L9908
部品情報  Automotive 3-Phase motor gate driver unit
PDF  153 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9908 データシート(HTML) 36 Page - STMicroelectronics

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Figure 15. Shutdown fault - Transient fault timing diagram
Figure 16. Shutdown fault - Permanent fault timing diagram
Table 30. EN_BR minimum t_off time
Symbol
Parameter
Min Typ Max Unit
Notes
EN_BR_tclear Minimum time interval to assert low value on EN_BR
2.5
-
-
μs
Not subject to production test
Note:
All parameters are guaranteed, and tested, in the voltage ranges specified above in Table 5 unless otherwise
specified. Where not specified the parametrical operating range equals the functional operating range.
Note:
In case of BIST_STATUS=11 (BIST check failure) the device sent in SAFE_OFF Mode, re-engage
procedure can be performed only by issuing a SW_REST command.
In case of WDT_OVF_fail = 1 or WDT_DATA_fail = 1 (WDT failure) the device sent in SAFE_OFF Mode,
re-engage procedure can be performed only by issuing a WDT_RST or a SW_REST command.
5.6.2.2
Auto-retry faults
When an auto-retry fault is detected the related SPI flag is set to ‘1’, the IC ERR bits in SPI FRAME are set to ‘11’
and the FS_FLAG is asserted low.
L9908
Fault Handling Management (FHM)
DS13546 - Rev 3
page 36/153



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