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VNF1048F датащи(PDF) 28 Page - STMicroelectronics

номер детали VNF1048F
подробное описание детали  High-side switch controller with intelligent fuse protection for 12 V, 24 V and 48 V automotive applications
PDF  49 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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VNF1048F датащи(HTML) 28 Page - STMicroelectronics

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Bit #
Name
Description
DIAGS = VS_UV or HSHT or VDS_MAX or FUSE_LATCH or DEV_OVT or NTC_OVT or VGS_LOW or
DIS_OUT_FAULT or CS_UV
26
DE
Device error bit
The DE is a logical OR combination of errors related to device specific blocks: charge pump output
undervoltage, NVM download failure, oscillator failure
DE = CP_LOW or NVM_FAIL or OSC_FAIL
25
OVC
Overcurrent bit
The OVC is a ‘realtime’ bit indicating an overcurrent event (VIP-fuse counter running)
24
FS
Fail-safe
If the FS bit is set, the device was forced into a safe state. This bit is set in the fail-safe state
(SR#1.FAILSAFE_ST = 1)
FS = FAILSAFE_ST
6.11
Address map
Table 33. RAM memory map
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)
21h
Reserved
22h
Reserved
VNF1048F
SPI functional description
DS13084 - Rev 8
page 28/49



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