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TLE6263 Datasheet(PDF) 7 Page - Infineon Technologies AG

Part # TLE6263
Description  LS CAN, LDO and HS Switch
PDF  40 Pages
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Manufacturer  INFINEON [Infineon Technologies AG]
Direct Link  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

TLE6263 Datasheet(HTML) 7 Page - Infineon Technologies AG

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Final Datasheet TLE 6263
Version 2.08
7
2004-06-07
6
Circuit Description
The TLE 6263 is a monolithic IC, which incorporates a failure tolerant low speed CAN-
transceiver for differential mode data transmission, a low dropout voltage regulator for
internal and external 5V supply as well as a SPI (serial peripheral interface) to control
and monitor the IC. Further there are integrated a high side switch, two wake-up inputs,
a window watchdog circuit with fail safe output as well as a reset circuit and early warning
function. Figure 2 shows a schematic block diagram of the TLE 6263. Table 1 shows
the status of the different chip features during the four main operation modes.
1) at low VCC output current only active when watchdog undercurrent function is not activated
2) can only be monitored in Vbat-stand-by mode via SPI
3) no wake-up interrupt generated, logic level status monitored via SPI
4) only active when selected via SPI
5) if watchdog under-current function active, than FSO = low
Table 1: Truth table of the TLE 6263
Feature
normal mode
receive-only
mode
Vbat stand-by
mode
sleep
mode
VCC
ON
ON
ON
OFF
Reset
ON
ON
ON
OFF
Watchdog
ON
ON
ON1)
OFF
Fail safe output
ON
ON
ON5)
OFF
VINT-Fail
2)
ON
ON
ON
ON
Sense input
ON
ON
ON
OFF
Wake-up 1 / 2
ON3)
ON3)
ON
ON
HS-switch4)
ON
ON
ON
OFF
HS-cyclic-sense4)
OFF
OFF
ON
ON
SPI
ON
ON
ON
OFF
CAN transmit
ON
OFF
OFF
OFF
CAN receive
ON
ON
OFF
OFF
RTL output
switched to Vcc
switched to
Vcc
switched to
Vs
switched to
Vs
RxD output
L = bus dominant;
H = bus recessive
L = bus dominant;
H = bus recessive
active low wake-up
interrupt
low
INT output
active low early
warning
active low early
warning for VINT
and VCC
active low early
warning
low



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