View TLE6258_521860.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

Single-Wire-Transceiver
Preliminary Data Sheet
1 1.1 * * * * * * * Overview Features
TLE 6258
Single-wire transceiver, suitable for LIN protocol Compatible to LIN specification Compatible to ISO 9141 functions Transmission rate up to 20 kBaud Very low current consumption in stand-by mode Short circuit proof to ground and battery Overtemperature protection
P-DSO-8-3
Type TLE 6258 G
Ordering Code Q67006-A9469
Package P-DSO-8-3
Description The single-wire transceiver TLE 6258 is a monolithic integrated circuit in a P-DSO-8-3 package. It works as an interface between the protocol controller and the physical bus. The TLE 6258 is especially suitable to drive the bus line in LIN systems in automotive and industrial applications. Further it can be used in standard ISO9141 systems. In order to reduce the current consumption the TLE 6258 offers a stand-by mode. A wake-up caused by a message on the bus sets the RxD output low until the device is switched to normal operation mode. The IC is based on the Siemens Power Technology SPT(R) which allows bipolar and CMOS control circuitry in accordance with DMOS power devices existing on the same monolithic circuit. The TLE 6258 is designed to withstand the severe conditions of automotive applications.
1
version: 2.02 date: 2001-08-08
Preliminary Data TLE 6258
1.2
Pin Configuration (top view)
RxD
1
8
n.c.
ENN
2
7
Vs
Vcc
3
6
Bus
TxD
4
5
GND
P-DSO-8-3
Figure 1: Pinout 1.3 Pin No. 1 2 3 4 5 6 7 8 Pin Definitions and Functions Symbol RxD ENN VCC TxD GND Bus Vs n.c. Function Receive data output; integrated pull up, LOW in dominant state, Enable not input; integrated 30 k pull up, transceiver in normal operation mode when LOW 5V supply input; Transmit data input; integrated pull up, LOW in dominant state Ground; Bus output/input; internal 30 k pull up, LOW in dominant state Battery supply input; not connected
2
version: 2.02 date: 2001-08-08
Preliminary Data TLE 6258
1.4
Functional Block Diagram
Vs 7 30 k 30 k Bus 6
3
Vcc
Output Stage
Driver Temp.Protection
Mode Control
2
ENN
4
TxD
Receiver
1
RxD
TLE 6258 G
5
GND
Figure 2: Block Diagram
3
version: 2.02 date: 2001-08-08
Preliminary Data TLE 6258
1.5
Application Information
Start Up Power Up
Normal Mode ENN low Vcc ON
ENN
high
ENN
low
Stand-By 1) ENN high
1)
VCC ON
RxD becomes low when wake-up via bus
Figure 3: State Diagram
For fail safe reasons the TLE6258 has already a pull up resistor of 30k implemented. To achieve the required timings for the dominant to recessive transition of the bus signal an additional external termination resistor of 1k is required. It is recommended to place this resistor in the master node. To avoid reverse currents from the bus line into the battery supply line in case of an unpowered node, it is recommended to place a diode in series to the external pull up. For small systems (low bus capacitance) the EMC performance of the system is supported by an additional capacitor of at least 1nF in the master node (see figure 6, application circuit). In order to reduce the current consumption the TLE 6258 offers a stand-by mode. This mode is selected by switching the Enable Not (ENN) input high (see figure 3, state diagram). In the stand-by mode a wake-up caused by a message on the bus is indicated by setting the RxD output low. When entering the normal mode this wake-up flag is reset and the RxD output is released to transmit the bus data.
4
version: 2.02 date: 2001-08-08
Preliminary Data TLE 6258
2 2.1
Electrical Characteristics Absolute Maximum Ratings Symbol Limit Values min. max. Unit Remarks
Parameter
Voltages Supply voltage Battery supply voltage Bus input voltage Bus input voltage Logic voltages at EN, TxD, RxD Electrostatic discharge voltage at Vs, Bus Electrostatic discharge voltage Temperatures Junction temperature
VCC VS Vbus Vbus VI VESD VESD
-0.3 -0.3 -20 -20 -0.3 -4 -2
6 40 32 40
V V V V V kV kV t<1s 0 V < VCC < 5.5 V human body model (100 pF via 1.5 k) human body model (100 pF via 1.5 k)
VCC
+ 0.3 4 2
Tj
-40
150
C
-
Note: Maximum ratings are absolute ratings; exceeding any one of these values may cause irreversible damage to the integrated circuit.
5
version: 2.02 date: 2001-08-08
Preliminary Data TLE 6258
2.2
Operating Range Symbol Limit Values min. max. 5.5 20 150 V V C
-
Parameter Supply voltage Battery Supply Voltage Junction temperature
Unit
Remarks
VCC VS Tj
4.5 6 - 40
Thermal Shutdown (junction temperature) Thermal shutdown temp. Thermal shutdown hyst. Thermal Resistances Junction ambient
TjSD
T
150 -
170 10
190 -
C K
Rthj-a
-
185
K/W
-
6
version: 2.02 date: 2001-08-08
Preliminary Data TLE 6258
2.3
Electrical Characteristics
4.5 V < VCC < 5.5 V; 6.0 V < VS < 20 V; RL = 1 k; VENN < VENN,ON; -40 C < Tj < 125 C; all voltages with respect to ground; positive current flowing into pin; unless otherwise specified.
Parameter
Symbol
Limit Values min. typ. max.
Unit Remark
Current Consumption Current consumption Current consumption Current consumption Current consumption Current consumption Current consumption Current consumption Current consumption Current consumption
ICC IS ICC IS ICC IS ICC IS ISCC0
0.5 0.5 0.7 0.7 20 20 20 20 16
1.5 1.0 2.0 1.5 30 30 40 40 30
mA mA mA mA A A A A A
recessive state; VTxD = VCC recessive state; VTxD = VCC dominant state; VTxD = 0 V dominant state; VTxD = 0 V stand-by mode; Tj = 25 C stand-by mode; Tj = 25 C stand-by mode stand-by mode stand-by mode, VCC = 0 V, VS = 13.5 V
Receiver Output RxD HIGH level output current LOW level output current Bus receiver Receiver threshold voltage, recessive to dominant edge Receiver threshold voltage, dominant to recessive edge Receiver hysteresis wake-up threshold voltage
IRD,H IRD,L
-0.7 0.4 0.7
-0.4
mA mA
VRD = 0.8 x VCC, VRD = 0.2 x VCC,
Vbus,rd Vbus,dr
0.44 x VS
0.48 x VS 0.52 x VS 0.04 x VS 0.56 x VS 0.06 x VS
V V mV
-8 V < Vbus < Vbus,dom
Vbus,rec < Vbus < 20 V
Vbus,hys 0.02 x VS Vwake 0.40x VS
Vbus,hys = Vbus,rec - Vbus,dom
0.55x 0.65x V
VS
VS
7
version: 2.02 date: 2001-08-08
Preliminary Data TLE 6258
2.3
Electrical Characteristics (cont'd)
4.5 V < VCC < 5.5 V; 6.0 V < VS < 20 V; RL = 1 k; VENN < VENN,ON; -40 C < Tj < 125 C; all voltages with respect to ground; positive current flowing into pin; unless otherwise specified.
Parameter
Symbol
Limit Values min. typ. max.
Unit Remark
Transmission Input TxD HIGH level input voltage threshold TxD input hysteresis LOW level input voltage threshold
VTD,H VTD,hys VTD,L
300
2.8 600
0.7 x
V mV V
recessive state
VCC
0.3 x 2.2
dominant state
VCC
TxD pull up current
Bus transmitter
ITD
-150
-110
-80
A
VTxD < 0.3 Vcc
Bus recessive output voltage Vbus,rec
0.9 x
VS
1.5 85 -260 5 20 47 125
V V mA
VTxD = VCC
VS
Bus dominant output voltage Vbus,dom 0 Bus short circuit current Leakage current
VTxD = 0 V; Vbus,short = 13.5 V VCC = 0 V, VS = 0 V, Vbus = -8 V, Tj < 85 C VCC = 0 V, VS = 0 V, Vbus = 20 V, Tj < 85 C
Ibus,sc Ibus,lk
40 -350
A A
k
Bus pull up resistance Enable not input (pin ENN) HIGH level input voltage threshold LOW level input voltage threshold ENN input hysteresis
Rbus
20
30
VENN,off VENN,on
2.8 0.3 x 2.2
0.7 x
V V mV
low power mode
VCC VCC VENN,hys 300
600
normal operation mode
ENN pull up resistance
RENN
15
30
60
k
8
version: 2.02 date: 2001-08-08
Preliminary Data TLE 6258
2.3
Electrical Characteristics (cont'd)
4.5 V < VCC < 5.5 V; 6.0 V < VS < 20 V; RL = 1 k; VENN < VENN,ON; -40 C < Tj < 125 C; all voltages with respect to ground; positive current flowing into pin; unless otherwise specified.
Parameter
Symbol
Limit Values min. typ. max.
Unit Remark
Dynamic Transceiver Characteristics falling edge slew rate
Sbus(L)
-3
-2.0
-1
V/s
80% > Vbus > 20% Cbus= 3.3 nF; Tambient < 85 C VCC = 5 V; VS = 13.5 V 20% < Vbus < 80% Cbus= 3.3 nF; VCC = 5 V; VS = 13.5 V Cbus = 3.3nF; VCC = 5V; VS = 13.5V CRxD = 20 pF Cbus = 3.3 nF; VCC = 5 V; VS = 13.5V CRxD = 20 nF VCC = 5 V
rising edge slew rate
Sbus(H)
1 2
1.5 4
3 6
V/s s
Propagation delay td(L),TR TxD-to-RxD LOW (recessive to dominant) Propagation delay td(H),TR TxD-to-RxD HIGH (dominant to recessive) Propagation delay TxD LOW to bus Propagation delay TxD HIGH to bus Propagation delay bus dominant to RxD LOW Propagation delay bus recessive to RxD HIGH Receiver delay symmetry Transmitter delay symmetry Wake-up delay time
2
4
6
s
td(L),T td(H),T td(L),R td(H),R tsym,R tsym,T twake
-2 -2 30
1 1 0.5 0.5
4 4 2.0 2.0 2 2
s s s s s s s
VCC = 5 V
VCC = 5V; CRxD = 20pF VCC = 5 V; CRxD = 20 pF tsym,R = td(L),R - td(H),R tsym,T = td(L),T - td(H),T
70
150
9
version: 2.02 date: 2001-08-08
Preliminary Data TLE 6258
3
Diagrams
Vs
100 nF
ENN
1k TxD Bus
Cbus
RxD
20 pF
GND
VCC
100 nF
Figure 4: Test circuits
VCC
VTxD
GND td(L),T VS td(H),T
t
Vbus
GND
Vbus,rd
Vbus,dr
td(L),R VCC
td(H),R
t
VRxD
0.3*VCC GND td(L),TR td(H),TR
0.7*VCC
t
Figure 5: Timing diagrams for dynamic characteristics
10
version: 2.02 date: 2001-08-08
Preliminary Data TLE 6258
4
Application
Vbat
LIN bus
master node TLE 6258 G
Vs ENN RxD
100 nF 1 k
P
TxD Bus GND VCC GND
100 nF 100 nF
1nF
VI
100 nF 22 F
VQ e.g. TLE 4278 GND
5V
22 F
ECU 1
slave node TLE 6258 G
Vs ENN
100 nF
RxD Bus GND TxD VCC
100 nF 100 nF
P
GND
VI
100 nF 22 F
VQ
5V
e.g. TLE 4278 GND
22 F
ECU X
Figure 6: Application Circuit
11
version: 2.02 date: 2001-08-08
Preliminary Data TLE 6258
5
Package Outlines P-DSO-8-3 (Plastic Dual Small Outline Package)
Sorts of Packing Package outlines for tubes, trays etc. are contained in our Data Book "Package Information". SMD = Surface Mounted Device Dimensions in mm
12
version: 2.02 date: 2001-08-08
Preliminary Data TLE 6258
Edition 1999-10-12 Published by Infineon Technologies AG St.-Martin-Strasse 53 D-81541 Munchen (c) Infineon Technologies AG1999 All Rights Reserved. Attention please! The information herein is given to describe certain components and shall not be considered as warranted characteristics. Terms of delivery and rights to technical change reserved. We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. Infineon Technologies is an approved CECC manufacturer. Information For further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office in Germany or our Infineon Technologies Representatives worldwide (see address list). Warnings Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered.
13
version: 2.02 date: 2001-08-08

▲Up To Search▲

Price & Availability of TLE6258

	To Download TLE6258 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .