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L9678P Datasheet(PDF) 187 Page - STMicroelectronics

No. de pieza L9678P
Descripción Electrónicos  Automotive user configurable airbag IC
PDF  203 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9678P Datasheet(HTML) 187 Page - STMicroelectronics

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DocID029274 Rev 3
187/203
L9678P, L9678P-S
Electrical characteristics
202
15
DACRES
DAC resolution
Design info
-
7
-
Bit
16
ILSB
LSB current
-
270
-
330
µA
17
CRSU
EMC capacitor
22nF nominal
Design Info
13
-
-
nF
18
TJSD_ERBST
Thermal shutdown
-
150
175
190
°C
19 THYS_TSDERBST
-5
10
15
°C
Table 52. Remote sensor I/F DC parameters (continued)
Symbol
Parameter
Condition
Min
Typ
Max
Unit
Table 53. PSI-5 remote sensor transceiver - AC specifications
Symbol
Parameter
Condition
Min
Typ
Max
Unit
1
TFLT_STD_RSU
Over Current
Shutdown Filter Time
Normal operation
500
-
600
µs
TBLK_OC_RSU
Over current
shutdown filter time
At interface power on
(BLKTxSEL = 0)
According to PSI-5 v1.3,
section 5.2 - parameter #1
4.6
-
5.4
ms
2
3
At interface power on
(BLKTxSEL = 1)
According to PSI-5 v1.3,
section 5.2 - parameter #2
9.4
-
10.8
ms
4
TSTB_RSU
Short to battery
comparator response
time
Guaranteed by design
-
-
200
ns
5
TSTB_REC_RSU
Short to battery
recovery time
-
12
-
16
µs
6
TFLT_TSD_RSU
Thermal shutdown
filter time
--
10
µs
7
TFLT_OPEN_RSU
Open detection
deglitch filter time
-
10
-
15
µs
8
TFLT_LKG_RSU
Leakage deglitch filter
time
-
10
-
15
µs



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