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PDF TLE6255G Data sheet ( Hoja de datos )
| Número de pieza | TLE6255G | |
| Descripción | Single Wire CAN-Transceiver | |
| Fabricantes | Infineon Technologies AG | |
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Single Wire CAN-Transceiver
Final Data Sheet
TLE 6255 G
1 Features
• Single wire transceiver for up to 33 kBit/s bus speed
• Compatibel to GM LAN Standard GMW 3089 - V1.26
• Excellent EMC performance
• High speed mode for up to 100 kBit/s bus speed
• Ambient operation range – 40 °C to 125 °C
• Supply voltage operation range 5.5 V to 28 V
• Typ. 30 µA total current consumption in sleep mode
• 4 kV ESD protection
• Short circuit and overtemperature protected
• Input bilevel feature for wake-up detection
• Output bilevel feature for wake up call
• Loss of Ground protection
• Bus dominant timeout feature
• Programmable slewrate
P-DSO-14-8; -9
Type
TLE 6255 G
Ordering Code
Q67006-A9352
Package
P-DSO-14-9 (SMD)
2 Description
The TLE 6255 G is a special featured low speed transceiver for use in single wire
applications.
The device is primarily designed for use in single wire CAN systems operating with
various CSMA/CR (carrier sense multiple access/collision resolution) protocols such as
the BOSCH Controller Area Network (CAN).
The normal communication bitrate in CAN-systems is up to 33 kBit/s. For software or
diagnostic data download a high speed mode is offered that allows transmission rates
up to 100 kBit/s.
With many integrated features such as slewrate controlled output, loss of ground circuit,
bi-level wake-up and sleep mode for low power consumption the TLE 6255 G is
optimized for use in automotive applications.
The device is based on Smart Power Technology SPT® which allows bipolar and CMOS
control circuitry to be integrated with DMOS power devices on the same monolithic
circuitry.
Additional features like short circuit and overtemperature protection, over- and
undervoltage lockout are integrated. To enhance the reliability and robustness of the
TLE 6255 G the enhanced power SO-14 package is used in order to provide high
thermal capacity and low thermal resistance.
Data Sheet Rev. 2.5
1
2003-11-27
1 page  
TLE 6255 G
6 Functional Description and Application Hints
6.1 Mode Control
By use of the two mode control pins M0 and M1 the transceiver can be set in the
following modes.
Table 1 Transceiver Modes
# M0
1 Low
2 High
3 Low
4 High
M1
Low
Low
High
High
Mode
Sleep mode
High speed mode
Wake-up call
Normal mode
Sleep-Mode
In the sleep mode the total current consumption of the TLE 6255 G is reduced to typically
30 µA. Nodes not set to sleep mode can communicate without disturbing ECUs that are
already set to sleep mode. To achieve a wake-up via the CAN bus a high voltage level
message (wake-up call) is necessary. Only high voltage level messages are reported to
the RxD pin in sleep mode. A wake-up from sleep mode of the transceiver itself has to
be done by setting the control inputs M0 and M1. If there is no modification on the mode
inputs the device remains in sleep mode after the wake-up signal is removed from the
bus.
The transceiver’s loss of ground protection circuit connection to ground is not interrupted
when in the sleep mode.
High-Speed-Mode
The high-speed mode can be used for software or diagnostic data download with bitrates
up to 100 kBit/s. Therefore the slewrate control feature is deactivated to achieve the
required timings. Further an additional external resistor of 100 Ω from CANH to GND is
necessary in this mode.
Wakeup-Call Mode
In this mode the TLE 6255 G sends the message to be transmitted as a high voltage
wake-up message.
The bus includes a special node wake up capability which allows normal communication
to take place among some nodes while leaving the other nodes in an undisturbed sleep
state. This is accomplished by controlling the level of the signal voltages such that all
nodes must wake up when they receive a higher voltage message signal waveform.
Communication at the lower, normal voltage levels shall not disturb the sleeping nodes
(Vbatt > 9 V).
Data Sheet Rev. 2.5
5
2003-11-27
5 Page 
TLE 6255 G
5.5 V < Vbatt < 16 V; 4.75 V < VCC < 5.25 V; – 40 °C < Tj < 150 °C; M0 = M1 = H;
RUL= 9.1 kΩ (connected between CANH and LOAD); RRSL = 39 kΩ; all voltages with
respect to ground; positive current defined flowing into pin; unless otherwise specified
Parameter
Sym-
Limit Values Unit Test Condition
bol min. typ. max.
Power ON/OFF Reset at VCC
Power ON Reset
voltage
VPORON 4.00
Power OFF Reset
voltage
VPOROF 3.50
POR ON/OFF
Hysteresis
VPORHY 0.1
4.25 4.50
3.75 4.00
0.5 –
V
V
V
VCC increasing
VCC decreasing
VPORON – VPOROF
Transceive Input TxD
H-input voltage
threshold
L-input voltage
threshold
Hysteresis of input
voltage
VTxDH –
2.6 0.7 × V
VCC
–
VTxDL
0.3 × 2.4 –
VCC
V–
VTxDHY 50
200 500 mV –
Pull up current
ITxD
Timeout reaction time tTOR
– 20 – 10 – 5
5 10 30
µA 0 V < VTxD < 4 V
ms –
Receive Output RxD
Output leakage current IRxDLK
Output low voltage
level
VRxDL
Falltime
tFRxD
–2
–
–
0 10
0.2 0.4
µA VRxD = 5 V
V IRxDL = 2 mA
80 200 ns CRxD = 25 pF to GND
Data Sheet Rev. 2.5
11
2003-11-27
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet TLE6255G.PDF ] | |
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