TLE7259-2GU Transceiver Automotive Power TLE7259-2GU

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Data Sheet, Rev. 1.1, July 2008
TLE7259-2GU
Transceiver
Automotive Power
TLE7259-2GU
Table Contents
Table Contents
4.2.1 4.2.2 4.10 4.11 4.12 4.13 4.14 Overview Block Diagram Configuration Assignment Definitions Functions Functional Description Operating Modes Normal Operation Mode Slope Mode Flash Mode Stand-By Mode Sleep Mode Wake-Up Events Wake-Up Local Wake-Up Mode Transition Time function Over Temperature protection Logic Capability Short Feature Specifications 1.2, 1.3, J2602-2 General Product Characteristics Absolute Maximum Ratings Functional Range Thermal Characteristics
Electrical Characteristics Functional Device Characteristics Diagrams Application Information Robustness according IEC61000-4-2 Compatibility other Transceivers Master Termination External Capacitors Application Example
Package Outlines Revision History
Data Sheet
Rev. 1.1, 2008-07-14
Transceiver
TLE7259-2GU
Features
Overview
Single-wire transceiver, compatible TLE7259-2GE Transmission rate 10.4 kBaud Compliant specification 1.3, 2.0, J2602 Very high robustness, according IEC61000-4-2 Very Electro Magnetic Emission (EME) Very high Electro Magnetic Immunity (EMI) Very current consumption sleep mode Very current consumption sleep mode with Wake-Up functions Wake-Up source detection Very leakage current output Digital levels compatible microcontrollers Suitable board short VBAT protection short handling Over temperature protection Under voltage detection Flash mode Green Product (RoHs compliant) Qualified
PG-DSO-8
Description TLE7259-2GU follow-up product TLE7259-2GE. provides same functions compatible TLE7259-2GE. TLE7259-2GU designed in-vehicle networks using data transmission rates from kBaud 10.4 kBaud according J2602 standard. TLE7259-2GU functions driver between protocol controller physical inside network. Compliant standards with wide operational supply range TLE7259-2GU used automotive applications. Different operation modes output allow TLE7259-2GU control external components, like voltage regulators. Sleep-mode TLE7259-2GU draws less than quiescent current, while still being able wake traffic local Wake-Up input. very leakage current makes TLE7259-2GU especially suitable partially supplied networks supports quiescent current requirements network. Based Infineon Smart Power Technology SPT®, TLE7259-2GU provides excellent Robustness together with very high electromagnetic immunity (EMI). TLE7259-2GU reaches very level electromagnetic emission (EME) within broad frequency range independent form battery voltage. Infineon Smart Power Technology SPT® allows bipolar CMOS control circuitry accordance with DMOS power devices existing same monolithic circuit. TLE7259-2GU Infineon SPT® technology qualified tailored withstand harsh condition Automotive Environment. Type TLE7259-2GU Data Sheet Package PG-DSO-8 Marking 7259-2GU Rev. 1.1, 2008-07-14
TLE7259-2GU
Block Diagram
Block Diagram
Supply
RBUS
Output Stage
Driver Temp.Protection Current Limit
Mode Control Input
Timeout
Receiver Filter Wake Comparator Filter
Figure
Block Diagram
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Configuration
Configuration
Assignment
Figure
Configuration
Note: configuration TLE7259-2GU compatible devices TLE7259G, TLE7259-2GE Twin Transceiver TLE7269G. comparison TLE7269G, theTLE7259-2GU separate power supply needs pull resistors pin. Details found inside "Pin Compatibility other Transceivers" Page
Definitions Functions
Symbol Function Receive data output; External Pull necessary dominant state, active after Wake-Up event Enable input; integrated pull-down, device normal operation mode when HIGH Wake input; active LOW, negative edge triggered, internal pull-up Transmit data input; integrated pull-down, dominant state; active after Wake-Up Ground input output; line input output dominant state Internal termination pull-up current source
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Configuration Symbol
Function Battery supply input Inhibit output; battery supply related output HIGH (VS) Normal Stand-By operation mode used control external voltage regulator used control external termination resistor when device will used Master node
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Functional Description
Functional Description
single wire, bi-directional bus, used in-vehicle networks. Transceiver TLE7259-2GU interface between microcontroller physical (see Figure Figure 16). logical values microcontroller driven input TLE7259-2GU. transmit data stream input converted signal with optimized slew rate minimize level network. output reads back information from microcontroller. receiver integrated filter network suppress noise increase (Electro Magnetic Immunity) level transceiver. logical states possible according Specification (see Figure dominant state, voltage level. recessive state, voltage supply voltage setting input TLE7259-2GU "Low" transceiver generates dominant level interface pin. output reads back signal indicates dominant signal with logical "Low" microcontroller. Setting "High" transceiver TLE7259-2GU sets interface BUS, recessive level, same time recessive level indicated logical "High" output. Every network consists master node more slave nodes. configure TLE7259-2GU master node applications, resistor reverse diode must connected between power supply TLE7259-2GU (see Figure Figure 16).
Recessive Dominant Recessive
Recessive
Dominant
Recessive
Recessive Dominant Recessive
Figure
signals
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Functional Description
Operating Modes
Note
TxD: TxD: Strong Pull Down after Wake-Up Weak Pull Down after Power-Up Wake-Up
Start-Up Power-Up
Note
RxD: RxD: logical ,,High" after Power-Up logical ,,Low" after Wake-Up after Wake-Up
Stand-By Mode
HIGH (see Note (see Note
external Pull-Up resistor external microcontroller supply required Wake-Up Power-Up indication
Normal Operation Mode
High Normal Operation Mode
Slope Mode
HIGH HIGH TxD1
Flash Mode
HIGH HIGH
Sleep Mode
Sleep Mode
Float HIGH1)
,,High" external pullup resistor
Wake-Up
Figure
Operation Mode State Diagram
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Functional Description TLE7259-2GU major operation modes: Stand-By mode Normal Operation mode Sleep mode
Normal Operation mode contains sub-operation modes, which differentiate slew rate control signal (see Figure Sub-operation modes with different slew rates pin: Slope mode, data transmission rates 10.4 kBaud Flash mode, programming external microcontroller
operation mode TLE7259-2GU selected pin. (see Figure Table Mode Sleep Stand-By Operating modes High1) High Comments Termination High Impedance (typical) wake-up request detected "Low" after local Wake-Up (pin Wake-Up (pin BUS) "High" after Power-Up strong pull down after local Wake-Up pin)2) weak pull down after Wake-Up (pin BUS) Power-Up2) reflects signal driven microcontroller
Floating High High2)
Normal High Operation
High
High
High
(typical)
pull-up resistor external microcontroller supply required. input needs external termination indicate "High" "Low" signal. external termination could pull-up resistor active microcontroller output.
Normal Operation Mode
TLE7259-2GU enters Normal Operation mode after microcontroller sets "High" (see Figure Normal Operation mode receiver transmitter active. Data from microcontroller transmitted pin, receiver detects data stream forwards output pin. Normal Operation mode, "High" (set termination Slope mode Flash mode Normal Operation modes these sub-modes behavior termination same. default TLE7259-2GU always enters into Slope mode, either from Sleep mode from Stand-By mode. Flash mode only entered from Slope mode. order avoid disturbance during mode change, output stage TLE7259-2GU disabled recessive state during mode change procedure. release TLE7259-2GU data communication bus, need "High" time tto,rec.
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Functional Description
4.2.1
Slope Mode
Slope mode data transmission rates 10.4 kBauds possible. Setting "High" starts transition Slope mode. (see Figure mode change Slope mode defined time tMODE. time tMODE specifies delay time between threshold, where detects "High" input signal, actual mode change TLE7259-2GU into Slope mode. Entering Normal Operation mode, TLE7259-2GU always enters default into Slope mode. signal relevant entering into Slope mode. Finally release data communication required "High" time tto,rec.
VEN,ON
Don't care
Data transmission
tto,rec tMODE
Stand-By Mode Sleep Mode
Slope Mode
Figure
Timing enter Slope Mode
4.2.2
Flash Mode
Flash mode possible transmit receive messages bus. slew rate control mechanism signal disabled. This allows higher data transmission rates, disregarding limitations network. Flash mode intended used during production programming microcontroller interface. TLE7259-2GU Flash mode only from Slope mode (see Figure Flash mode entered setting "Low" time tfl1 generating falling rising edge with timing tfl2, tfl3 tfl4 (see Figure Leaving Flash mode same sequence, sets TLE7259-2GU back Slope mode. Finally release data transmission required "High" time tto,rec. Additionally TLE7259-2GU leave Flash mode well switching only "Low". applying this "Low" signal TLE7259-2GU into Sleep mode.
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Functional Description
Slope Mode
Flash Mode
Slope Mode
tfl1
tfl1
tfl2 tfl3 tfl4
Data transmission
Data transm.
ttorec
tfl2
tfl3
tfl4
ttorec
Figure
Timing enter Flash Mode
Stand-By Mode
Stand-By mode entered automatically after: Power-Up event supply Wake-Up event BUS. local Wake-Up event power reset caused power supply Stand-By mode Wake-Up sources monitored pins.
Stand-By mode communication possible. output stage disabled termination remains activated. used indicate Wake-Up source Power-Up event. remains "Low"after local Wake-Up event Wake-Up event bus. Power-Up event indicated logical "High" pin. signal indicates Wake-Up source, weak pull-down signals Wake-Up event strong pull-down signals local Wake-Up event caused (see Table Table order detect Wake-Up event pin, external microcontroller output needs provide logical "High" signal. Wake-Up flags indicating Wake-Up source pins reset changing operation mode Normal Operation mode. signal remains "Low" internal pull-down resistor. Setting "High", microcontroller returns TLE7259-2GU Normal Operation mode. Stand-By mode output switching output used control external device like voltage regulator. Table power Logic table wake monitoring RxD1) TxD2) Remarks Wake-Up, Power-Up event Wake wake Wake
Wake- Up3) WakeUp4)
indicate Wake-Up sources pull-up resistor external microcontroller supply required. input needs external termination indicate "High" "Low" signal. external termination could pull-up resistor active microcontroller output. local Wake-Up event considered after signal (see Chapter 4.7). Wake-Up event considered after high transition (see Chapter 4.6)
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Functional Description
Sleep Mode
order reduce current consumption TLE7259-2GU offers Sleep mode. Sleep mode quiescent current leakage current back minimum. switch TLE7259-2GU from Normal Operation mode Sleep mode, "Low". Conversely logical "High" sets device directly back Normal Operation mode (see Figure While TLE7259-2GU Sleep mode following functions available: output stage disabled internal terminations switched (High Impedance BUS). internal current source ensures that levels remains recessive protects network against accidental Wake-Up events. receiver stage turned off. output "High" pull-up resistor connected external micro controller supply. disabled. logical state "Low", internal pull-down resistor. output switched floating. wake-up comparator active turns TLE7259-2GU Stand-By mode case WakeUp event. active turns TLE7259-2GU Stand-By mode case local Wake-Up. remains active, switching "High" changes operation mode Normal Slope mode.
Wake-Up Events
Wake-Up event changes operation mode TLE7259-2GU from Sleep mode Stand-By mode. There different ways wake-up TLE7259-2GU from Sleep mode. Wake-Up dominant signal BUS. Local Wake-Up minimum dominant time (tWK) pin. Mode change from Sleep mode Normal Operation mode, setting logical "High".
Wake-Up
Signal VBUS
VBUS,wk VBUS,dom tWK,bus
Sleep Mode
Stand-By Mode
Figure Wake-Up behavior
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Functional Description Wake-Up event, often called remote Wake-Up, changes operation mode from Sleep mode StandBy mode. falling edge bus, followed dominant signal tWK,bus results Wake-Up event. mode change Stand-By mode becomes active with following rising edge bus. TLE7259-2GU remains Sleep mode until detects change from dominant recessive (see Figure Stand-By mode indicates source Wake-Up event. weak pull-down indicates Wake-Up event (see Figure signals Wake-Up event occurred powerup event. "Low" signal reports local Wake-Up event, logical "High" signal indicates power-up event.
Local Wake-Up
Signal
VWK,L
Sleep Mode
Stand-By Mode
Figure Local Wake-Up behavior
Beside remote Wake-Up, Wake-Up TLE7259-2GU possible. This type wake-up event called "Local Wake Up". falling edge followed "Low"signal results local Wake-Up (see Figure changes operation mode Stand-By mode. Stand-By mode indicates source Wake-Up event. strong pull-down indicates Wake-Up event (see Figure signals Wake-Up event Power-Up event occurred. "Low" signal reports local Wake-Up event, logical "High"signal indicates Power-Up event.
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Functional Description
Mode Transition
Signal
VEN,ON Hysteresis VEN,OFF tMODE
Sleep Mode Stand-By Mode
tMODE
Normal Operation Mode
Sleep Mode
Figure
Mode Transition
also possible change from Sleep mode Normal Operation mode setting logical "High".This feature useful external microcontroller continuously powered connected pin. integrated pull-down resistor ensure device remains Sleep Stand-By mode even voltage floating. integrated hysteresis (see Figure transition from logical "High"to logical "Low" changes operation mode from Normal Operation mode Sleep mode. TLE7259-2GU already Sleep mode, changing from "Low"to "High" results into mode change from Sleep mode Normal Operation mode. device Stand-By mode change from "Low"to "High" changes mode Normal Operation mode (see Figure
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Functional Description
Time function
signal dominant time ttimeout time-out function deactivates transmission signal disables output stage. This realized prevent from being blocked permanent "Low" signal pin, caused error external microcontroller (see Figure 10). transmission released again, after rising edge been detected.
Time-Out microcontroller error Normal Communication
Recovery microcontroller error Release after Time-out Normal Communication
ttimeout
ttorec
Figure
Time-Out function
4.10
Over Temperature protection
TLE7259-2GU integrated over temperature sensor protect device against thermal overstress output stage. case over temperature event, temperature sensor will disable output stage (see Figure over temperature event will cause mode change will signaled either pin. When junction temperature falls below thermal shut down level TjSD, output stage re-enabled data communication start again bus. 10°C hysteresis avoids toggling during temperature shut down.
4.11
Logic Capability
TLE7259-2GU used microcontrollers. inputs outputs capable operate with both voltage levels. output must have external pull-up resistor microcontroller supply define output voltage level.
4.12
Short Feature
TLE7259-2GU feature implemented protect battery from running charge case shorted GND. this failure case normal master termination, resistor diode between power supply would cause constantly drawn current even Sleep mode. resulting resistance this short range avoid this current during generator state, like parked car, TLE72592GU short feature implemented, which activated Sleep mode. Data Sheet Rev. 1.1, 2008-07-14
TLE7259-2GU
Functional Description This feature only applicable, master termination connected instead being connected power supply (see Figure Figure 16). Internally, path also switched from power supply (see Figure separate Master Termination Switch implemented BUS, avoid voltage drop recessive level bus, case dominant level short ground bus.
4.13
Specifications 1.2, 1.3,
device fulfills Physical Layer Specification 1.2, 1.3, 2.1. differences between specification mainly physical layer specification. reason improve compatibility between nodes. specification super version. version offers features. However, possible slave node node cluster, long features used. Vice versa possible node cluster without using features. terms physical layer Specification doesn't include changes fully compliant Specification 2.0. latest version specification, released December 2006.
4.14
J2602-2
TLE7259-2GU (Electro Magnetic Emission) optimized requirements automotive market. timings TLE7259-2GU compliant J2602-2 standard.
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
General Product Characteristics
Table
General Product Characteristics
Absolute Maximum Ratings
Absolute Maximum Ratings Voltages, Currents Temperatures1)
voltages with respect ground; positive current flowing into pin;
(unless otherwise specified) Pos. Parameter Symbol Limit Values Min. Voltages 5.1.1 5.1.2 Battery supply voltage input voltage versus versus
VBUS,G VBUS,Vs
Unit
Remarks
Max. Spec Param.
-0.3 -0.3
5.1.3 5.1.4
Logic voltages TxD, Vlogic Voltage versus versus Output current Junction temperature Storage temperature Electrostatic discharge voltage BUS, versus Electrostatic discharge voltage pins
VINH,G VINH, IINH VESD
-0.3 -150
Currents 5.1.5 5.1.6 5.1.7 5.1.8 Temperatures Human Body Model (100pF k)3) Human Body Model (100pF k)3)
Resistivity
5.1.9
VESD
subject production test, specified design Output current internally limited -150 susceptibility according JESD 22-A
Note: Stresses above ones listed here cause permanent damage device. Exposure absolute maximum rating conditions extended periods affect device reliability. Note: Integrated protection functions designed prevent destruction under fault conditions described data sheet. Fault conditions considered "outside" normal operating range. Protection functions designed continuous repetitive operation.
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
General Product Characteristics
Table Pos. 5.2.1 5.2.1
Functional Range
Operating Range Parameter Symbol Limit Values Min. Extended Supply Voltage Range operations Supply Voltage range Normal operations Junction temperature
Unit Max.
Remarks Parameter deviations possible Spec Param.
Typ.
Thermal parameters 5.2.2
subject production test, specified design
Note: Within functional range operates described circuit description. electrical characteristics specified within conditions given related electrical characteristics table.
Table Pos.
Thermal Characteristics
Thermal Resistance1) Parameter Symbol Limit Values Min. Typ. Max. measured
Unit
Remarks
Thermal Resistance 5.3.3 5.3.4 5.3.5 5.3.6 Junction Soldering Point Junction ambient
RthJSP
RthJA
Thermal Shutdown Junction Temperature Thermal shutdown temp. TjSD Thermal shutdown hyst.
subject production test, specified design JESD 51-2, 51-3, 76,2 114,3 minimal footprint, 27°C
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Electrical Characteristics
Table
Electrical Characteristics
Functional Device Characteristics
Electrical Characteristics
voltages with respect ground; positive current flowing into pin; unless otherwise specified. Pos. Parameter Symbol Limit Values Min. Current Consumption 6.1.1 Current consumption
IS,rec
Unit Remarks Max. Recessive state, without 13.5 VTxD "High" Dominant state, without 13.5 VTxD Sleep mode; VWK= VBUS; Sleep mode, 13.5 VWK= VBUS Sleep mode, 13.5 V;VBUS=0V
VRxD VBUS VRxD 0.9V, VBUS
Typ.
6.1.2
Current consumption Dominant State Current consumption sleep mode Current consumption sleep mode Current consumption sleep mode shorted HIGH level leakage current level output current
IS,dom
6.1.3
IS,sleep
6.1.4
IS,sleep,typ
6.1.5
IS,lkg,SC_GND
Receiver Output:
6.1.6 6.1.7
IRD,H,leak IRD,L
Transmission Input:
6.1.8 6.1.9
HIGH level input voltage range VTD,H Input hysteresis
VTD,hys
-0.3
Recessive state
6.1.10 level input voltage range VTD,L 6.1.11 Pull-down resistance 6.1.12 Dominant current standby mode after Wake-Up 6.1.13 Input capacitance
ITD,L
Dominant state
VTxD High VTxD 13.5
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Electrical Characteristics Table Electrical Characteristics (cont'd)
voltages with respect ground; positive current flowing into pin; unless otherwise specified. Pos. Parameter Symbol Limit Values Min. Enable Input: 6.1.14 HIGH level input voltage range VEN,ON 6.1.15 level input voltage range VEN,OFF 6.1.16 Input hysteresis 6.1.17 Pull-down resistance 6.1.18 Input capacitance 6.1.19 Inhibit resistance 6.1.20 Maximum output current 6.1.21 Leakage current Wake Input: 6.1.22 High level input voltage 6.1.23 level input voltage 6.1.24 Pull-up current 6.1.25 High level leakage current 6.1.26 Dominant time Wake-Up 6.1.27 Input Capacitance Receiver: 6.1.28 Receiver threshold voltage, recessive dominant edge 6.1.29 Receiver dominant state 6.1.30 Receiver threshold voltage, dominant recessive edge 6.1.31 Receiver recessive state 6.1.32 Receiver center voltage 6.1.33 Receiver hysteresis 6.1.34 Wake-Up threshold voltage 6.1.35 Dominant time WakeUp
Vth_dom VBUSdom Vth_rec VBUSrec VBUS_CNT VHYS VBUS,wk tWK,bus VWK,H VWK,L IWK,PU IWK,H,leak VEN,hys
Unit Remarks Max. Normal Operation mode Sleep mode Stand-By mode
Typ.
-0.3 -150 -5.0
RINH,on IINH IINH,lk
Inhibit, Master Termination Output:
IINH VINH
Sleep mode; VINH
0.45
Spec (Par. Spec (Par. Spec (Par. Spec (Par.
0.475
0.55
1.15 0.525 0.175
0.07 0.12 0.40
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Electrical Characteristics Table Electrical Characteristics (cont'd)
voltages with respect ground; positive current flowing into pin; unless otherwise specified. Pos. Parameter Symbol Limit Values Min. Transmitter 6.1.36 recessive output voltage 6.1.37 dominant output voltage maximum load
VBUS,ro VBUS,do
Unit Remarks Max.
Typ.
VTxD High Level VTxD (see Figure VBUS 13.5 Spec (Par. 12); VBUS Spec (Par. VBUS Spec (Par. VBUS Spec (Par. VBUS Spec (Par.
-0.5 -0.5
6.1.38 short circuit current 6.1.39 Leakage current 6.1.40 Leakage current 6.1.41 Leakage current 6.1.42 Leakage current 6.1.43 pull-up resistance 6.1.44 output current
IBUS_LIM
IBUS_NO_GND IBUS_NO_BAT IBUS_PAS_dom
IBUS_PAS_rec Rslave IBUS
Normal mode Spec (Par. Sleep mode
13.5V;
VBUS
6.1.45 Input Capacitance 6.1.46 Propagation delay Dominant Recessive High 6.1.47 Receiver delay symmetry
Dynamic Transceiver Characteristics: Spec (Par. RRxD CRxD Spec (Par. trx_sym trx_pd(L)- trx_pd(H); RRxD CRxD
trx_pdf trx_pdr trx_sym
6.1.48 Delay time mode change 6.1.49 dominant time 6.1.50 dominant time recovery time 6.1.51 toggling enter flash mode 6.1.52 time flash activation
tMODE
Figure
ttimeout ttorec tfl1
VTxD
Figure Figure
tfl2 tfl3 tfl4
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Electrical Characteristics Table Electrical Characteristics (cont'd)
voltages with respect ground; positive current flowing into pin; unless otherwise specified. Pos. Parameter Symbol Limit Values Min. 6.1.53 Duty cycle (for worst case 10.4 kBit/s) 0.417 Typ. Max. duty cycle THRec(max) 0.778 THDom(max) =0.616 tbit µs;D3 tbus_rec(min)/2 tbit; Spec (Par. duty cycle THRec(min.)= 0.389 THDom(min.)= 0.251 tbit tbus_rec(max)/2 tbit; Spec (Par. Unit Remarks
6.1.54 Duty cycle (for worst case 10.4kBit/s)
0.590
subject production test, specified design Minimum limit specified design Maximum limit specified design
VBUS_CNT (Vth_dom rec)/2; VHYS VBUSrec VBUSdom
load concerning Spec 2.1: Load CBUS RBUS Load CBUS RBUS Load CBUS RBUS
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Electrical Characteristics
Diagrams
CRxD
RRxD
RBUS
CBus
Figure
Simplified test circuit dynamic characteristics
CRxD
RRxD
RBUS
CBus
Figure
Simplified test circuit static characteristics
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Electrical Characteristics
(input transmitting node)
tBit
tBit
tBit
tBus_dom(max)
tBus_rec(min)
VSUP
THRec(max) THDom(max) THRec(min) THDom(min)
Thresholds receiving node Thresholds receiving node
(Transceiver supply transmitting node)
tBus_dom(min)
tBus_rec(max)
(output receiving node
trx_pdf(1)
trx_pdr(1)
(output receiving node
trx_pdr(2) Duty Cycle tBUS_rec(min) tBIT) Duty Cycle tBUS_rec(max) tBIT)
Figure Timing diagram dynamic characteristics
trx_pdf(2)
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Application Information
Application Information
Robustness according IEC61000-4-2
Test robustness according IEC61000-4-2 "Gun test" (150 have been performed. results test conditions available separate test report. Table "Gun test" Result Unit Remarks
Performed Test
Electrostatic discharge voltage versus Electrostatic discharge voltage versus
Positive pulse Negative pulse
susceptibility "ESD GUN" according 61000-4-2 -Tested external test house.
Compatibility other Transceivers
Transceiver TLE7259-2GU function compatible Single Transceivers like TLE7259G, TLE7259-2GE other single Transceivers market. TLE7259-2GU supply pin. Therefore TLE7259-2GU needs pull-up resistor external microcontroller supply. TLE7259-2GU also used design Twin TLE7269G. Since TLE7269G doesn't need pull-up resistor pin, pull-up resistor external microcontroller needs added same functionality.
RxD1 TxD1 TxD2 RxD2
INH1 BUS1 BUS2 INH2
TLE7269G
Figure
TLE7259G TLE7259-2GE TLE7259-2GU other single transceivers
configuration TLE7259-2GE,TLE7259-2GU, TLE7259G TLE7269G
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Application Information
Master Termination
achieve required timings dominant recessive transition signal additional external termination resistor mandatory. recommended place this resistor master node. avoid reverse currents from line into battery supply line recommended place diode series with external pull-up. small systems (low capacitance) performance system supported additional capacitor least master node (see Figure Figure 16).The values Master Termination resistor capacitances influence performance network. They depend number nodes inside network parasitic cable capacitance wiring.
External Capacitors
capacitor supply voltage input buffers input voltage. combination with required reverse polarity diode this prevents device from detecting power down conditions case negative transients supply line (see Figure Figure 16). capacitor close TLE7259-2GU required best performance.
Data Sheet
Rev. 1.1, 2008-07-14
TLE7259-2GU
Application Information
VBat
Application Example
Master Node
e.g. TLE4678
3.3V
TLE7259-2GU
Pull-Up Micro Controller Supply
Micro Controller XC22xx
ECU1
e.g. TLE4678 Slave Node
3.3V
TLE7259-2GU
Pull-Up Micro Controller Supply
Micro Controller XC22xx
ECUX
Figure Data Sheet
Simplified Application Circuit with Short Feature applied Rev. 1.1, 2008-07-14
TLE7259-2GU
Application Information
VBat
Master Node
e.g. TLE4678
3.3V
TLE7259-2GU
Pull-Up Micro Controller Supply
Micro Controller XC22xx
ECU1
e.g. TLE4678 Slave Node
3.3V
TLE7259-2GU
Pull-Up Micro Controller Supply
Micro Controller XC22xx
ECUX
Figure Data Sheet
Simplified application Circuit without Short Feature Rev. 1.1, 2008-07-14
TLE7259-2GU
Package Outlines
Package Outlines
1.75 MAX.
0.175 ±0.07 (1.45)
0.35 -0.2
0.19 +0.06
±0.2
1.27 0.41+0.1 -0.06
0.64 ±0.25
MAX.
GPS01181
-0.2 Index Marking
Does include plastic metal protrusion 0.15 max. side Lead width 0.61 max. dambar area
Figure
PG-DSO-8 (Plastic Dual Small Outline PG-DSO-8-16)
Green Product (RoHS compliant) meet world-wide customer requirements environmentally friendly products compliant with government regulations device available green product. Green products RoHS-Compliant (i.e Pb-free finish leads suitable Pb-free soldering according IPC/JEDEC J-STD-020).
further information alternative packages, please visit website: Data Sheet
Dimensions Rev. 1.1, 2008-07-14
TLE7259-2GU
Revision History
Revision
Revision History
Date 2008-01-31 2008-07-14 Changes Data Sheet created Update Data Sheet Changes Data Sheet 1.1: Page 19ff: Change temperature range Table from -40°C 125°C -40°C 150°C. other Parameters remain unchanged.
Data Sheet
Rev. 1.1, 2008-07-14
Edition 2008-07-14 Published Infineon Technologies 81726 Munich, Germany 2008 Infineon Technologies Rights Reserved. Legal Disclaimer information given this document shall event regarded guarantee conditions characteristics. With respect examples hints given herein, typical values stated herein and/or information regarding application device, Infineon Technologies hereby disclaims warranties liabilities kind, including without limitation, warranties non-infringement intellectual property rights third party. Information further information technology, delivery terms conditions prices, please contact nearest Infineon Technologies Office (www.infineon.com). Warnings technical requirements, components contain dangerous substances. information types question, please contact nearest Infineon Technologies Office. Infineon Technologies components used life-support devices systems only with express written approval Infineon Technologies, failure such components reasonably expected cause failure that life-support device system affect safety effectiveness that device system. Life support devices systems intended implanted human body support and/or maintain sustain and/or protect human life. they fail, reasonable assume that health user other persons endangered.

TLE7259-2GU Transceiver Automotive Power TLE7259-2GU

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