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L9679P Datasheet(PDF) 261 Page - STMicroelectronics

Part # L9679P
Description  Automotive advanced airbag for mid/high end applications and cut-off battery IC
PDF  279 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9679P Datasheet(HTML) 261 Page - STMicroelectronics

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DS11627 Rev 7
261/279
L9679P
Electrical characteristics
278
18.19
DC sensor interface
All electrical characteristics are valid for the following conditions unless otherwise noted:
40 °C  Ta  +95 °C, VINGOOD0  VIN  35 V, 8.5 V  SYNCBOOST  35 V.
Table 64. DC Sensor interface specifications
No
Symbol
Parameter
Conditions
Min
Typ Max Unit
1 VOUT_DCSREG
DCS output voltage
regulation mode
DCS regulator enabled
SyncBoost = 11.5 V and 35 V
-
10% 6.25
+10
%
V
2
ILIM_DCSREG
DCS current limitation
regulation mode
DCS regulator enabled
SyncBoost = 11.5 V and 35 V
24
27
30
mA
3 VDCS_RANGE1
DCS voltage
measurement range1
First voltage measurement
(VDCS_MEAS1) to compensate external
ground shift and internal offset
-1
-
1.4
V
4
VDCS_ACC1
DCS voltage
measurement accuracy 1
VDCS = VDCS_RANGE1
Included ADC error
-15
-
15
%
5 VDCS_RANGE2
DCS voltage
measurement range 2
-
1.5
-
10
V
6
VDCS_ACC2
DCS voltage
measurement accuracy 2
VDCS = VDCS_RANGE2
Included ADC error
-8
-
+8
%
7
IDCS_RANGE1
DCS Current
measurement range 1
-
1
-
2
mA
8
IDCS_ACC1
DCS current
measurement accuracy 1
IDCS = IDCS_RANGE1
Included ADC error
-30
-
+30
%
9
IDCS_RANGE2
DCS current
measurement range 2
-
2
-
22
mA
10
IDCS_ACC2
DCS current
measurement accuracy 2
IDCS = IDCS_RANGE2
Included ADC error
-12
-
+12
%
11 IDCS_RANGE3
DCS current
measurement range 3
Regulator in current limitation
-
ILIM_D
CSREG
-
mA
12
IDCS_ACC3
DCS Current
measurement accuracy 3
VDCS = 0V
Included ADC error
-12
-
+12
%
13 RDCS_RANGE
DCS resistance
measurement range
Design info
65
-
300
0
Ω
14
RDCS_ACC
Accuracy of digital
resistance measurement
Performing voltage measurements 1
and 2
After software calculation
all errors included
-15
-
15
%



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