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VNF1048F データシート(PDF) 9 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  52 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) 9 Page - STMicroelectronics

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ID
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
CGATE = 80 nF
5.7
tOFF
Gate turn off
Full VGS to VGS < 0.5
CGATE = 80 nF
2.6
µs
5.8
VGS_UVLO_6V
Gate under voltage
lockout
VS = 6 V
5
V
5.9
VGS_UVLO_10V
Gate under voltage
lockout
VS >10 V
8.5
V
5.10
VG_UVLO_BLK
Gate under voltage
lockout blanking
Enable at Charge Pump startup if Ext
FET turn-on is required, and applied
after CP_LOW expiration (falling edge)
- 6 %
100
+ 6 %
µs
5.11 VG_UVLO_DEGLITCH
Gate under voltage
lockout de-glitch filtering
time
- 15 %
8
+ 15 %
µs
5.12
QGMAX
Maximum gate charge
VGS = 10 V
800
nC
Table 13. Current sense amplifier with integrated ADC
ID
Symbol
Parameter
Test conditions
Min. Typ. Max.
Unit
6.1
VSENSE_CM
Common-mode input voltage
range
0
70
V
6.2
VSENSE_FSR
Differential input voltage full
scale range
0
160
mV
6.3
I_SENSE_P
CSA positive input current
400
μA
6.4
I_SENSE_N
CSA negative input current
560
μA
6.5 VSENSE_ADC_CONV
Current Sense ADC Full scale
range resolution
VSENSE_ADC[12:0] =
MIN((VSENSE/160 * 8192), 8191)
0
8191
6.6
VSENSE_REFRESH
Current Sense ADC sample
rate
2.4
kSample/s
6.7
VSENSE_ACC_6mV
Digital Current Sense Accuracy
6 mV < VSENSE_DIFF < 10 mV
-10
+10
%
6.8
VSENSE_ACC_10mV
VSENSE_DIFF = 10 mV
-5
+5
%
6.9
VSENSE_ACC_20mV
VSENSE_DIFF > 20 mV
-3
+3
%
6.10 VSENSE_ACC_1.8mV
1.8 mV < VSENSE_DIFF < 6 mV
-17
+17
%
Table 14. External FET VDS Protection
ID
Symbol
Parameter
Test conditions
Min. Typ. Max.
Unit
7.1 VDS_THRS_RANGE
VDS monitor threshold range
31 steps adjustable through SPI
300
1800
mV
7.2
VDS_THRS_STEP VDS monitor threshold step
50
mV
7.3
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
VNF1048F
Main electrical characteristics
DS13084 - Rev 6
page 9/52



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