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VNF1048F Datasheet(PDF) 31 Page - STMicroelectronics

No. de pieza VNF1048F
Descripción Electrónicos  High-side switch Controller with intelligent fuse protection for 12 V, 24 V and 48 V automotive applications
PDF  52 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VNF1048F Datasheet(HTML) 31 Page - STMicroelectronics

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Bit #
Name
Description
The DIAGS is a logical OR combination of all faults which cause the External FET to be switched off
DIAGS = VS_UV or HSHT or VDS_MAX or FUSE_LATCH or DEV_OVT or NTC_OVT or VGS_LOW or
DIS_OUT_FAULT
26
DE
Device error bit
The DE is a logical OR combination of errors related to device specific blocks: charge pump output under
voltage
DE = CP_LOW
25
OVC
Overcurrent bit
The OVC is a ‘realtime’ bit indicating an over-current event (VIP-fuse counter running)
24
FS
Fail safe
If FS bit is set, device was forced into a safe state. This bit is set in WakeUp mode (WAKEUPM = 1) or in
Locked mode (LOCKEDM = 1)
FS = WAKEUPM or LOCKEDM
6.11
Address map
Table 33. RAM memory map (ID 12.1)
Address
Name
Access type
Content
01h
Control Register 1
R/W
CR#1: 1st Control Register
(CONTROLS)
02h
Control Register 2
R/W
CR#2: 2nd Control Register
(CONFIG 1)
03h
Control Register 3
R/W
CR#3: 3rd Control Register
(CONFIG 2)
…
…
…
…
11h
Status Register 1
R/C
SR#1: 1st Status Register
(DIAGNOSTICS + PROTECTIONS)
12h
Status Register 2
R
SR#2: 2nd Status Register
(CURRENT SENSE)
13h
Status Register 3
R
SR#3: 3rd Status Register
(NTC + TJ)
14h
Status Register 4
R
SR#4: 4th Status Register
(VOUT + VDS)
15h
Status Register 5
R/C
SR#5: 5th Status Register
(SELFTEST VDS)
16h
Status Register 6
R/C
SR#6: 6th Status Register
(SELFTEST STUCK ON)
17h
Status Register 7
R/C
SR#7: 7th Status Register
(SELFTEST CURRENT SENSE)
18h
Status Register 8
R
SR#8: 8th Status Register
(HSHT)
…
…
…
…
VNF1048F
Address map
DS13084 - Rev 6
page 31/52



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