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SPSB100 Fiches technique(PDF) 4 Page - STMicroelectronics

No de pièce SPSB100
Description  Automotive power management IC for highly integrated processors
PDF  214 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SPSB100 Fiches technique(HTML) 4 Page - STMicroelectronics

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1.2
Pin description
Figure 2. Pin connection (top view)
1
56
SGND
CSN
SDO
SDI
CLK
NRST
VIO
VS
WU
DLB
VREG
FIN1
NFSO1
FB1
LDO2
GBY
LDO1
FBB
FB2
IRQ
IGN
SWDBG
GND
OUT_HS
N.C.
N.C.
N.C.
N.C.
Table 1. Pin function
#
Name
Description
I/O type
1
FB2
BUCK2 feedback voltage (to internal voltage monitors)
I
2
LDO2
Voltage regulator 5 V/3.3 V - tracker of BUCKs output (supply for microcontroller)
O
3
LDO1
5 V voltage regulator 1 output
O
4
VREG
3.3 V regulator output for BUCK bootstrap
O
5
GND
DS monitoring ground
-
6
N.C.(1)
Not connected
-
7
N.C.(1)
Not connected
-
8
GBY
Gate driver of external MOS bypass BOOST
O
9
FBB
BOOST feedback pin and supply for LDO1 and LDO2, OUT_HS, VREG, WU and IGN blocks
I
10
VS
Boost input
I
11
OUT_HS
High-side-driver output to supply contacts
O
12
WU
Wake-up input for static or cyclic monitoring of external contact
I
13
IGN
Wake-up input for static or cyclic monitoring of external contact with KL15 feature
I
14
DLB
Drain monitoring of external low-side MOS of BOOST
I
SPSB100
Block diagram and pin description
DS14640 - Rev 1
page 4/214



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