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SPSB100 Datenblatt(PDF) 5 Page - STMicroelectronics

Teilenummer SPSB100
Bauteilbeschribung  Automotive power management IC for highly integrated processors
PDF  213 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SPSB100 Datenblatt(HTML) 5 Page - STMicroelectronics

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#
Name
Description
I/O type
15
GLB
Gate driver of external low-side MOS of BOOST
O
16
PGND3
BUCK3 power ground
-
17 PGND3, 2nd pin Current capability (pin description see above)
-
18 PGND3, 3rd pin Current capability (pin description see above)
-
19
PH3
Switching node BUCK3
I/O
20
PH3, 2nd pin
Current capability (pin description see above)
O
21
PH3, 3rd pin
Current capability (pin description see above)
O
22
PH3, 4th pin
Current capability (pin description see above)
O
23
BST3
Boot-strap capacitor to supply BUCK3 high-side MOS gate-driver circuitry
-
24
VIN3
Input voltage BUCK3
I
25
VIN3, 2nd pin
Current capability (pin description see above)
I
26
VIN3, 3rd pin
Current capability (pin description see above)
I
27
FB3
BUCK3 feedback voltage (to internal voltage monitors)
I
28
COMP3
BUCK3 error amplifier compensation network
-
29
NFSO1
Fail-safe output (active low, open drain)
O
30
SWDBG
Debug input to deactivate the window watchdog (active high) and entering pin for NVM
emulation mode
I
31
FIN1
FCCU sequence input
I
32
N.C.(1)
Not connected
-
33
N.C.(1)
Not connected
-
34
SGND
Signal ground (analog and digital reference)
-
35
VIO
I/O power supply (3.3 V or 5 V)
I
36
IRQ
Interrupt (open drain)
O
37
SDO
SPI serial data output
O
38
CSN
SPI chip select not input
I
39
CLK
SPI serial clock input
I
40
SDI
SPI serial data input
I
41
NRST
Reset output to microcontroller, internal pull-up (open drain)
O
42
FB1
BUCK1 feedback voltage (to internal voltage monitors)
I
43
COMP1
BUCK1 error amplifier compensation network
-
44
PGND1
BUCK1 power ground
-
45 PGND1, 2nd pin Current capability (pin description see above)
-
46
PH1
Switching node BUCK1
I/O
47
PH1, 2nd pin
Current capability (pin description see above)
O
48
BST1
Boot-strap capacitor to supply BUCK1 high-side MOS gate-driver circuitry
-
49
VIN12
Input voltage BUCK1 and BUCK2
I
50
VIN12
Current capability (pin description see above)
I
51
BST2
Boot-strap capacitor to supply BUCK2 high-side MOS gate-driver circuitry
-
52
PH2
Switching node BUCK2
I/O
53
PH2, 2nd pin
Current capability (pin description see above)
O
54
PGND2
BUCK2 power ground
-
SPSB100
Block diagram and pin description
DS14640 - Rev 2
page 5/213



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