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IFX1050G Schematic ( PDF Datasheet ) - Infineon Technologies

Teilenummer IFX1050G
Beschreibung High Speed CAN-Transceiver
Hersteller Infineon Technologies
Logo Infineon Technologies Logo 




Gesamt 15 Seiten
IFX1050G Datasheet, Funktion
www.DataSheet.co.kr
IFX1050G
High Speed CAN-Transceiver
Data Sheet
Rev. 1.0, 2009-05-14
Standard Products
Datasheet pdf - http://www.DataSheet4U.net/






IFX1050G Datasheet, Funktion
www.DataSheet.co.kr
4 Operation Modes
IFX1050G
Operation Modes
INH = 1
INH = 0
and RM = 1
Normal Mode
INH = 0
RM = 1
Stand-by Mode
INH = 1 RM = 0 / 1
INH = 0
and RM = 0
INH = 1
RM = 0
RM = 1
Receive-only Mode
INH = 0
RM = 0
AED02924
Figure 3 Mode State Diagram
The IFX1050G is equipped with three different operation modes.
4.1 Normal Mode
In the Normal Mode the device is able to receive data from the CAN bus and to transmit messages to the CAN bus.
The IFX1050G enters Normal Mode by setting the INH input to logical “LOW” and the RM input to logical “HIGH”
(see Figure 3).
4.2 Stand - By Mode
Stand - By Mode is a Low - Power mode with reduced current consumption on the power supply VCC.
In Stand - By Mode the receiver and the transceiver of the IFX1050G are disabled and the device can not receive
any data from the CAN bus, nor transmit any data to the CAN bus. The IFX1050G enters Stand - By Mode by
setting the INH input to logical “HIGH” (see Figure 3).
When the Stand - By mode is not used the INH pin has to be connected to GND in order to switch the IFX1050G
permanently into Normal Mode.
4.3 Receive - Only Mode
The Receive - Only Mode can be used for diagnostic purposes (to check the bus connections between the nodes)
as well as to prevent the bus being blocked by a faulty permanent dominant TxD input signal. In Receive - Only
Mode the output stage of the transceiver IFX1050G is disabled. The IFX1050G can not send any data to the
CAN bus, but is still able to receive data from the CAN bus. The IFX1050G enters Receive - Only Mode by setting
the RM input and the INH input to logical “LOW” (see Figure 3).
In case the Receive - Only Mode is not used, the RM pin can be left open or it can be also connected to the power
supply VCC.
Data Sheet
6 Rev. 1.0, 2009-05-14
Datasheet pdf - http://www.DataSheet4U.net/

6 Page









IFX1050G pdf, datenblatt
www.DataSheet.co.kr
IFX1050G
Application Information
7 Application Information
Note: The following information is given as a hint for the implementation of the device only and shall not be
regarded as a description or warranty of a certain functionality, condition or quality of the device.
120
VBat
CAN
Bus
IFX1050
5
RM
8
INH
7 CANH
6 CANL
RxD 4
1
TxD
1)
GND VCC 3
100
2 nF
ESD24VS2B
µP
100 GND
nF
+ 22
µF
e. g. TLE4270
VI
100
nF
VQ
GND
5V
+ 22 µF
ECU 1
IFX1050
5
RM
8
INH
7 CANH
6 CANL
RxD 4
1
TxD
1) GND VCC 3
ESD24VS2B
2
e. g. TLE4270
+ 22
µF
VI
100
nF
VQ
GND
100
nF
5V
+
µP
100 GND
nF
22 µF
ECU 1
120
1) Optional
Figure 6 Mode State Diagram
Note: This is a very simplified example of an application circuit. The function must be verified in the real application.
7.1 Further Application Information
• Please contact us for information regarding the Pin FMEA.
• Existing App. Note
• For further information you may contact http://www.infineon.com/
Data Sheet
12
Rev. 1.0, 2009-05-14
Datasheet pdf - http://www.DataSheet4U.net/

12 Page





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