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L9658 датащи(PDF) 31 Page - STMicroelectronics

номер детали L9658
подробное описание детали  Analog output available for resistance
PDF  64 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9658 датащи(HTML) 31 Page - STMicroelectronics

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L9658
Functional description
Doc ID 14219 Rev 3
31/64
Figure 17.
High side driver diagnostic flow chart
CY
N
SPI Command:
Disconnect I
BIAS
Y
N
SPI Command:
HS FET Test
t
TIMEOUT = 2ms
t
FLT_DLY= 20μs
Note:
SPI Transmission and SPI
Command can be sent in
the same CS_D.
Turn on HS FET
END
Switch OFF HS FET
Disconnect I
BIAS
Y
SPI Transmission
SPI Command:
Disconnect I
BIAS
Y
N
N
(SQH-SQL) > V
I_TH
OR
SQL < SG
TH
during t
FLT_DLY
Y
N
SQH > SB
TH
during t
FLT_DLY
Y
N
Set SPI.Diag.SB
TH
Set SPI.Diag.VITH
OR
Set SPI.Diag.SGTH
t > t
TIMEOUT
Clear V
I_TH, SBTH, and SGTH bits
SPI Response:
Send V
I_TH, SBTH and SGTH bits
SQH < SB
TH
AND
SQL > SG
TH
Y
N
Set SPI.Diag.SB
TH
AND
Set SPI.Diag.SG
TH
Y
Y
N
SPI Command:
D6..D4 == D2..D0
Set SPI.Diag.SB
TH
AND
Set SPI.Diag.SG
TH
AND
Set SPI.Diag.V
I_TH
N
SPI Command
Diag Mode D11=0
OR
Cmd Mode Message
Y
N
BEGIN
SQH > SB
th
during t
FLT_DLY
SPI Command:
Connect I
BIAS
SQL < SG
th
during t
FLT_DLY
Clear SBth and SGth bits
Y
SPI Response:
Send SBth and SGth bits
Set SPI.Diag.SB
TH
Set SPI.Diag.SG
TH
N
SPI Transmission
Y
Y
Clear SPI.Diag.SG
TH
Clear SPI.Diag.SB
TH
N
SQH < SB
th
during t
FLT_DLY
N
SQL > SG
th
during t
FLT_DLY
Y
Y
N



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