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VNF9D5F Datasheet(PDF) 11 Page - STMicroelectronics

Part # VNF9D5F
Description  2-channel high-side driver with STi²Fuse protection for automotive power distribution applications
PDF  108 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VNF9D5F Datasheet(HTML) 11 Page - STMicroelectronics

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Table 7. Frame 1 (write CTRL 0x4800) - Normal mode to pre-standby mode
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
CMD
OC1
OC0
Address
0
0
0
1
0
1
0
0
DATA1
GOSTBY
UNLOCK
Not Used
Not Used
EN
PWM_TRIG
Not Used
Not Used
0
1
0
0
1
0
0
0
DATA2
LOCKbit 5
LOCKbit 4
LOCKbit3
LOCKbit2
LOCKbit1
LOCKbit0
PWMSYNC
Parity
0
0
0
0
0
0
0
0
Table 8. Frame 2 (write CTRL 0x8000)–Normal mode to pre-standby mode
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
CMD
OC1
OC0
Address
0
0
0
1
0
1
0
0
DATA1
GOSTBY
UNLOCK
Not Used
Not Used
EN
PWM_ TRIG
Not Used
Not Used
1
0
0
0
0
0
0
0
DATA2
LOCKbit 5
LOCKbit 4
LOCKbit3
LOCKbit2
LOCKbit1
LOCKbit0
PWMSYNC
Parity
0
0
0
0
0
0
0
0
Figure 4. Channel state diagram (CCM)
Capacitive charging mode
Disabled
Capacitive charging mode
Enabled
From normal mode:
• setting EXIT_CAPCRx bit in SOCR
register whenever within tCCM_DIS time
• Automatically after t
CCM_DIS
time elapsed
From fail-safe mode:
• Automatically after t
CCM_DIS
time elapsed
From normal mode:
• CAPCRx = 1 (SOCR register)
From fail-safe mode:
• MCUext = 1 AND after 5 consecutive rising
edges on DIx pins within tCCM_EN (channels
• MCUext = 0 AND after 5 consecutive rising
according to DIx OTP configuration).
edges on DI1 pin within tCCM_EN (relevant
channels according to OTP programming)
– Device can be in normal or
fail-safe mode
– Device can be in normal or
fail-safe mode
VNF9D5F
Functional description
DS13946 - Rev 8
page 11/108



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