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L9907 データシート(PDF) 17 Page - STMicroelectronics

部品番号 L9907
部品情報  Automotive FET driver for 3 phase BLDC motor
PDF  49 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9907 データシート(HTML) 17 Page - STMicroelectronics

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DS11800 Rev 5
17/49
L9907
Functional description
48
2.9.1
SPI and PWM faults
Table 7. SPI and PWM faults
Fault
Diagnosis
Device Action
Exit from Fault Condition
SPI Error (wrong
address access;
parity error; SCK
count error)
SPI_Error bit set and
0xB001 return frame
Faulty SPI frame is
ignored
-
PWM_Hx and
PWM_Lx shoot
through protection
FS_FLAG = low;
FET driver functionality
disabled
– Remove fault
– EN cycling toggle reactivates the FET
driver
– SPI read sets FS_FLAG to high



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