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VNF1048F データシート(PDF) 8 Page - STMicroelectronics

部品番号 VNF1048F
部品情報  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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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VNF1048F データシート(HTML) 8 Page - STMicroelectronics

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Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
VGS_UVLO_6V
Gate undervoltage lockout
VS = 6 V
5
V
VGS_UVLO_10V
Gate undervoltage lockout
VS >10 V
8.5
V
VG_UVLO_BLK
Gate undervoltage lockout
blanking
Enable at charge pump startup if external FET
turn-on is required, and applied after CP_LOW
expiration (falling edge)
-6%
100
+6%
µs
VG_UVLO_DEGLITCH
Gate undervoltage lockout
deglitch filtering time
-15%
8
+15%
µs
QGMAX
Maximum gate charge
VGS = 10 V
800
nC
Table 13. Current sense amplifier with integrated ADC
Symbol
Parameter
Test conditions
Min. Typ. Max.
Unit
VSENSE_CM
Common-mode input voltage range
0
70
V
VSENSE_FSR
Differential input voltage full scale
range
0
160
mV
I_SENSE_P
CSA positive input current
400
μA
I_SENSE_N
CSA negative input current
560
μA
VSENSE_ADC_CONV
Current sense ADC full scale range
resolution
VSENSE_ADC[12:0] =
min((VSENSE/160 * 8192), 8191)
0
8191
VSENSE_REFRESH Current sense ADC sample rate
2.4
kSample/s
VSENSE_ACC_6mV
Digital current sense accuracy
6 mV < VSENSE_DIFF < 10 mV
-10
+10
%
VSENSE_ACC_10mV
VSENSE_DIFF = 10 mV
-5
+5
%
VSENSE_ACC_20mV
VSENSE_DIFF > 20 mV
-3
+3
%
VSENSE_ACC_1.8mV
1.8 mV < VSENSE_DIFF < 6 mV
-17
+17
%
Table 14. External FET VDS protection
Symbol
Parameter
Test conditions
Min. Typ. Max.
Unit
VDS_THRS_RANGE
VDS monitor threshold range
31 steps adjustable through SPI
300
1800
mV
VDS_THRS_STEP VDS monitor threshold step
50
mV
VDS_THRS_0
VDS monitor thresholds
300
mV
VDS_THRS_ 1
350
VDS_THRS_2
400
VDS_THRS_3
450
VDS_THRS_ 4
500
VDS_THRS_ 5
550
VDS_THRS_ 6
600
VDS_THRS_ 7
650
VDS_THRS_ 8
700
VDS_THRS_ 9
750
VDS_THRS_ 10
800
VDS_THRS_ 11
850
VNF1048F
Electrical specification
DS13084 - Rev 8
page 8/49



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