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PDF TLE7263E Data sheet ( Hoja de datos )
| Número de pieza | TLE7263E | |
| Descripción | System Basis Chip | |
| Fabricantes | Infineon Technologies | |
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Data Sheet, Rev. 1.70, Sep. 2009
TLE 7263E
Integrated HS-CAN, LIN, LDO and
HS Switch
System Basis Chip
Automotive Power
Never stop thinking.
1 page  
TLE 7263E
Pin Configuration
Table 1
Pin Definitions and Functions
Pin Symbol Function
9 MON1, Monitoring / Wake-Up Inputs; bi level sensitive inputs used
10 MON2, to monitor signals coming from, for example, an external
11 MON3, switch panel; also used as wake-up input during cyclic
12 MON4 sensing in low power modes (MON4 is exempted from
“cyclic sense” as this input is permanently active)
8 VS
Power Supply Input; block to GND directly at the IC with
ceramic capacitor; (ferrite recommended for better EMC
behavior)
15 VCC1 Voltage Regulator Output (V1); 5 V supply; to stabilize
block to GND with an external capacitor CQ ≥ 10 μF,
ESR < 6 Ω
16 VCC2 Voltage Regulator Output (V2); 5 V supply; to stabilize
block to GND with an external capacitor CQ ≥ 10 μF,
ESR < 6 Ω
32 WKO Wake-Up Event Output; indicates wake up via monitoring
inputs, CAN or LIN during Sleep or Stop Mode; active low;
wake up sets device to Standby Mode
33 FSO Fail Safe Output; to supervise and control critical
applications, high when watchdog is correctly served, low at
any reset condition; active low
26 RO
Reset Output; open drain output, integrated pull-up,
active low
13 SI
Sense Comparator Input; for monitoring of external
voltages, to program the detection level connect external
voltage divider
17 INT
Interrupt Output; output to monitor sense comparator input
condition; input for enabling the Flash Programming Mode
(voltage to be applied > 7 V)
5 MTS Master Termination Switch; output used to turn-on the
termination/pull-up resistor of a LIN master
34 RxDLIN LIN Transceiver Data Output; according to the ISO 9141
and LIN specification 1.3 and 2.0; push-pull output; LOW in
dominant state
35 TxDLIN LIN Transceiver Data Input; according to ISO 9141 and
LIN specification 1.3 and 2.0
Data Sheet
5 Rev. 1.70, 2009-09-30
5 Page 
TLE 7263E
Features
4.2 SBC Sleep Mode without Cyclic Sense
In order to reduce the current consumption to a minimum, the SBC offers a Sleep Mode
without Cyclic Sense (see Figure 4). This mode is entered via SPI command, and turns-
off the integrated bus transceivers and respective termination, main voltage regulator as
well as the High-Side switch. Upon a voltage level change at the monitoring/wake-up
pins or by a CAN or LIN message the SBC Sleep Mode will be terminated and the SBC
Standby Mode will automatically be entered.
SBC Active Mode
MS2 MS1 MS0 Vcc1
0 0 / 1 0 / 1 ON
SBC Standby Mode
Vcc1
ON
Start Up
Power Up
µController SPI-Command:
- disable „cyclic sense function“ via SPI Timing Bits
- select SBC Sleep Mode via SPI Mode Bits
- window watchdog activation / deactivation via SPI
[can remain active as periodic reset timer]
Initialization of
MONx inputs 1)
transition caused by:
- event at MONx inputs
- CAN message
- LIN message
[SPI indicates source]
SBC Sleep Mode
MS2 MS1 MS0 Vcc1
1 0 0 OFF
HS-Switch = OFF
1) if initialization fails, device is
switched into SBC Standby mode
sleep_TLE7263
Figure 4 State Diagram “SBC Sleep Mode without Cyclic Sense”
Note: To switch into Low Power Mode from Standby Mode the device should be
switched into Normal Mode first. This is required to reset the CAN and LIN
transceiver to ensure correct wakeup as well as to ensure the correct function of
the RO pin when going to Sleep Mode. The time the device is in Normal Mode
before going to Low Power Mode should be long enough that the Vcc2 is up. This
can be released by a wait time or by reading the status of Vcc2 via SPI (bit13).
Data Sheet
11 Rev. 1.70, 2009-09-30
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet TLE7263E.PDF ] | |
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