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VNF9Q20F Datasheet(PDF) 60 Page - STMicroelectronics

Part # VNF9Q20F
Description  4-channel high-side driver with STi²Fuse protection for automotive power distribution applications
PDF  109 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VNF9Q20F Datasheet(HTML) 60 Page - STMicroelectronics

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5.3
Digital diagnostic
The global status byte (GSB) provides the preliminary status of the device during the SPI communication with the
device. It informs about the device actual mode (normal/fail-safe).
Figure 27. Diagnostic registers
.OR.
.OR.
.OR.
.OR.
Global
Status
BitNot
(GSBN)
CONFIG
Register
(mask)
VDS /channel
D4
D3 D2 D1
D0
CHFBSR
Channel Feedback
Register
D4
D3
D2
D1
D0
D5
D6
GSBN
UVVcc
Comm-Error(SPIE)
ChipReset(RSTB)
Tcase
LOFF
OLOFF/SC toVcc
Fail Safe
OT
PL
PL
OT
VDS
-/-
OLOFF
SC toVcc
Watchdog
-/-
By reading the additional status registers, more detailed information is provided. Status information is stored in
the status registers.
VNF9Q20F
Diagnostic
DS13909 - Rev 6
page 60/109



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