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L9788 Datasheet(PDF) 260 Page - STMicroelectronics

Part # L9788
Description  Multifunction IC for automotive engine management system
PDF  264 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9788 Datasheet(HTML) 260 Page - STMicroelectronics

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Application diagrams
L9788
260/264
DS12308 Rev 4
B.1
Bill of material
Table 111. Bill of material
Symbol
Parameter
Min
Typ
Max
Unit
Note
C39
Battery filter capacitor
-
4.7
-
nF
-
D3
Reverse battery
protection diode
-
-
-
-
Choice: STTH4R02
D5,D7
TVS diode
-
-
-
-
Choice: TPSMB36A
C42
battery decoupling
capacitor
-
100
nF
C41
battery decoupling
capacitor
-
100
µF
L2
Boost inductance
-
-
-
-
see Table 28
Q10
Boost MOSFET
-
-
-
-
choice: STD20NF06L
see Table 27 and
Table 28
D4
Boost diode
-
-
-
-
choice:
STPS10H100C see
Table 28
C36
Cout_boost
36
40
150
µF
see Table 28
C53
Cout_boost_ALU
0
330
470
µF
see Table 28
R33
Rg
-
2.2
-
Ω
see Table 28
R34
Rg_pd
-
150
-
kΩ
see Table 28
C37
External charge pump
capacitor
80
100
120
nF
see Table 39
R35
Rsense
10
22
30
kΩ
see Table 28
C43
filter capacitor
-
100
-
nF
Optional
R36
KEY_IN protection
resistor
-1
-
kΩ
-
R37
WK_IN protection
resistor
-1
-
kΩ
-
C46, C47, C48,
C49,C44, C54
filter capacitor
-
100
-
nF
-
C38
CBST
-
47
-
nF
see Table 30
L3
Lvpre
15
22
29
µH
see Table 30
D6
Dvbuck_CTRL
-
-
-
-
Choice: STPS5L60-Y
see Table 30
C40
Cvpre
15
40
150
µF
see Table 30
Q11
-
-
-
-
-
choice: STD20NF06L
see Table 34 and
Table 35
C45
CVDD5
5
20
60
µF
see Table 35



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