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L9952GXP Datasheet(PDF) 8 Page - STMicroelectronics

Part # L9952GXP
Description  Power management system IC
PDF  68 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9952GXP Datasheet(HTML) 8 Page - STMicroelectronics

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Pin definitions and functions
L9952GXP
8/68
Doc ID 13518 Rev 5
1
Pin definitions and functions
Figure 1.
Block diagram
Table 2.
Pins definitions and functions
Pin
name
PowerSS0-36
Function
GND
1
Ground
V2
2
Voltage regulator 2 output : 5 V supply for external loads e.g. IR
receiver, potentiometer
V1
3
Voltage regulator 1 output : 5 V supply e.g. micro controller, Can
transceiver
NReset
4
NReset output to micro controller - Internal pull-up of typ. 100K
Ω
( reset state = low )
INH
5
Wake-up input e.g. from CAN transceiver
RxD
6
Receiver output of the LIN 2.1 transceiver
DI
Voltage
Regulator 1
High Side
SPI
LOGIC
Window
Watchdog
Vs
GND
V1
WU1
CSN
CLK
DO
OUT_HS
Out1
Rel1
Rel2
Wake Up IN
High Side
Low Side
Output Clamp
FSO
Voltage
Monitor
Wake Up IN
WU2
INH
Vs
Temp Prewarning
& Shutdown
Undervoltage-
Overvoltage -
Shutdown
Low Side
Output Clamp
M
VS
VBat
Cyclic Contact
Monitoring
Microcontroller
CAN
VBat
LIN 2.1 1)
SAEJ2602
RxD
TxD
NReset
Voltage
Regulator 2
220nF
V2
220nF
Vs
Wake Up IN
Wake Up IN
WU3
WU4
High Side
High Side
High Side
Out2
Out3
Out4
LIN
LINPU
PWM1
PWM2
Dig_Out3
Dig_Out4 /
Interrupt
ESDLIN1524BJ
Wake Up IN
OP2+
OP2-
OP2out
OP1+
OP1-
OP1out
For detailed information
see
EMC test report from
IBEE Zwickau
µC (ADC)
CAN
LIN
R
1) LIN 2.1 certified
e. g. Bulb,
LED, Hall
Sensor
e. g. LED,
Hall Sensor
Fail-safe Logic
C
R
C



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