TLE8458G Infineon Technologies, TLE8458G Datasheet

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TLE8458G

Manufacturer Part Number
TLE8458G
Description
IC LDO VREG/LIN TXRX DSO-8
Manufacturer
Infineon Technologies
Type
Transceiverr
Datasheet

Specifications of TLE8458G

Number Of Drivers/receivers
1/1
Protocol
LIN
Voltage - Supply
7 V ~ 27 V
Mounting Type
Surface Mount
Package / Case
DSO-8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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D a t a S h e e t , R e v . 1 . 0 1 , A p r i l 2 0 0 9
T L E 8 4 5 8 G x
L I N T r a n s c e i v e r w i t h i n t e g r a t e d L o w D r o p V o l t a g e
R e g u l a t o r
L I N - L D O
A u t o m o t i v e P o w e r

Related parts for TLE8458G

TLE8458G Summary of contents

Page 1

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Page 2

... TxD Time - Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 7.1.3 LIN Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 7.2 Electrical Characteristics of the LIN Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 8 Application Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 8.1 ESD Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 8.1.1 EMC Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 8.2 Pin Compatibility to Stand-Alone LIN transceivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 9 Package Outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 10 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Data Sheet 2 TLE8458Gx Table of Contents Rev. 1.01, 2009-04-28 ...

Page 3

... TLE7259-2GE. The combination of a voltage regulator and a LIN transceiver on one circuit decreases the quiescent current for a typical application to a value of 8 µA, while the TLE8458G is still able to wake-up off a LIN bus signal or a signal change on the local wake-up input WK. Compliant to all LIN standards and with a wide operational supply range, the TLE8458G can be used in all automotive applications ...

Page 4

... W ake and Bus C om parator F ilter WK 3 Figure 1 Block Diagram Data Sheet Overtem perature Shutdow Supply D river Output Stage T em p.- Protection C urrent Lim it R eceiver 4 TLE8458Gx Block Diagram ode C ontrol Input eout R TxD Vcc 1 F ilter 5 Rev. 1.01, 2009-04- TxD RxD ...

Page 5

... LOW in dominant state, Internal termination and pull - up current source Battery Supply Input Output Voltage; CC Decouple to GND with a capacitor Active during Normal Mode, disabled in Sleep Mode. Data Sheet GND ≥ 470 nF, ESR < 6 Ω kHz, Vcc 5 TLE8458Gx Pin Configuration LIN Rev. 1.01, 2009-04-28 ...

Page 6

... T -55 – 150 stg V -2 – 2 ESD,HBM V -8 – 8 ESD,HBM V -750 – 750 ESD,CDM 6 TLE8458Gx General Product Characteristics Unit Note / Number Test Condition V LIN2.1 Param 11 P_4.1.1 V – P_4.1.2 V – P_4.1.3 V Static P_4.1.4 °C – P_4.1.5 °C – P_4.1.6 2) ...

Page 7

... CC V Thermal Shutdown Hysteresis CC LIN Shutdown Temperature LIN Thermal Shutdown Hysteresis 1) Device versions TLE8458G, TLE8458GV33, TLE8458GU, TLE8458GUV33 2) Not subject to production test. Simulated thermal resistance R 3) The values are according to Jedec JESD51-2,-7 at natural convection on 2s2p board for 1 W. thJA Package was simulated on a 76.2 × 114.3 × 1.5 mm³ board with 2 inner copper layers (70 µm thick). ...

Page 8

... Mode Control 5.1 Operation Mode State Diagram Figure 3 Operation Mode State Diagram Data Sheet 8 TLE8458Gx Mode Control Rev. 1.01, 2009-04-28 ...

Page 9

... Sub-operation modes with different slew rates on the BUS pin: • Normal Slope Mode, for data transmission rates kBaud • Software Flash mode, for programming of the external microcontroller The operation mode of the TLE8458Gx is selected by the EN pin and the TxD pin. (see Table 5 Operation Modes Mode EN ...

Page 10

... Figure 4 Mode Transition Data Sheet 10 TLE8458Gx Mode Control Rev. 1.01, 2009-04-28 ...

Page 11

... Normal Slope Mode, either from Sleep Mode, Stop Mode or from Stand-By Mode. The Software Flash Mode can only be entered from Normal Slope mode. In order to avoid any bus disturbance during a mode change, the output stage of the TLE8458Gx is disabled and set to recessive state during the mode change procedure. To release the TLE8458Gx for data communication on ...

Page 12

... EN pin, the TLE8458Gx changes to the Software Flash Mode (see TLE8458Gx changes from Software Flash Mode to Normal Slope Mode by applying the same sequence to the EN pin and the TxD pin. In any case, regardless if the device is in Normal Slope Mode or in Software Flash Mode, a LOW signal on the EN pin changes the operation mode to Sleep Mode or Stop Mode ...

Page 13

... Stop Mode The Stop Mode is a Low Power Mode, meaning the quiescent current of the TLE8458Gx is reduced to a minimum, while the device is still able to recognized wake - up events. The following functions are available in Stop Mode: V • The power supply is active and functional. ...

Page 14

... Wake - Up Events in Sleep and Stop Mode A Wake - Up event in Sleep Mode or Stop Mode changes the operation mode of the TLE8458Gx to Stand-By Mode. There are 3 different options to wake-up the TLE8458Gx from Sleep Mode or Stop Mode: • A bus Wake - Up event, caused by a message on the LIN bus. ...

Page 15

... Mode Transition via EN pin The EN pin is used for the mode selection. In case the power supply Mode, the TLE8458Gx can be directly transferred into Normal Operation Mode by setting the EN pin to HIGH. An integrated pull - down resistor at the EN pin avoids mode changes due to floating signals on the EN input. The ...

Page 16

... In case the junction temperature on the LIN output stage raises above the threshold T > sensor disables the LIN output stage. The TLE8458Gx is still able to receive data from the LIN bus. If the temperature falls below the threshold, T < start again. An integrated hysteresis on the temperature sensor avoids toggling during over-temperature events. ...

Page 17

... Sleep Mode, Bus Shorted to Ground Data Sheet Values Min. Typ. Max. – 1.3 2.2 S_rec – 1.8 3.2 S_dom – S_sleep – – 40 S_stop S_sleep_short 17 TLE8458Gx Mode Control Unit Note / Number Test Condition mA Recessive state, P_5.3.1 R without ; TxD 100 µ Dominant state, P_5.3.2 R without ; ...

Page 18

... Stop Mode transfer 1) µs Transfer to Normal Operation Mode 1) µs EN pin low 1) µs 1) µ 13 13 µ 13 µ µs – Rev. 1.01, 2009-04-28 TLE8458Gx Mode Control Number P_5.4.6 P_5.4.7 P_5.4.8 P_5.4.9 P_5.4.10 P_5.4.11 P_5.4.12 P_5.4.1 P_5.4.13 P_5.4.14 P_5.4.15 P_5.4.16 P_5.4.17 P_5.4.18 P_5.4.19 P_5.4.20 ...

Page 19

... Parameter Symbol V Pin Power Up Voltage S Threshold Data Sheet Values Min. Typ. Max. – – 3.5 S,PU 19 TLE8458Gx Mode Control Unit Note / Number Test Condition mA, P_5.5. > 3 Rev. 1.01, 2009-04-28 ...

Page 20

... Description of Voltage Regulator The TLE8458G has a monolithic integrated voltage regulator dedicated for microcontroller supplies under harsh automotive environment conditions. Due to its ultra low current consumption, the TLE8458Gx is perfectly suited for applications permanently connected to a battery. Additionally, the regulator is switched off in Sleep Mode to achieve a very low quiescent current ...

Page 21

... The digital output data from the microcontroller are driven to the LIN bus via the TxD input pin on the TLE8458Gx. The transmit data stream on the TxD input is converted to a LIN bus signal with optimized slew rate to minimize the EME level of the LIN network. The RxD output sends back the information from the LIN bus to the microcontroller ...

Page 22

... Under-Voltage Detection V A dropping power supply on a local ECU can effect the communication of the whole LIN network. To avoid any S blocking of the LIN network by a local ECU the TLE8458Gx has an integrated Power - On reset at the supply and an Under-Voltage detection at the supply V V reset level < ...

Page 23

... The LIN network is standardized by international regulations. The devices TLE8458G and the TLE8458GV33 are compliant to the specification LIN 2.1. The physical layer specification LIN 2 super set of the previous LIN specifications, like LIN 2.0 or LIN 1.3. The TLE8458G and the TLE8458GV33 have been qualified according to the LIN 2.1 standard, conformance test results are available on request. ...

Page 24

... TxD – 0.12 × – TxD,hys V CC 0.3 × – – TxD – 300 – TxD 1 TxD,L 24 TLE8458Gx LIN Transceiver Unit Note / Test Condition V – µs Unit Note / Test Condition -1.6 mA; RxD bus 1.6 mA RxD bus V Recessive State mV – ...

Page 25

... BUS, – – 2.0 BUS,do 40 100 150 BUS,sc -1000 -450 0 BUS,lk – – 5 BUS,lk -1 – – BUS,lk – – 5 BUS,lk 25 TLE8458Gx LIN Transceiver Unit Note / Test Condition < < Bus,rec Bus V LIN2.1 Param < < Bus,rec Bus V LIN2.1 Param 18 V LIN2.1 Param ...

Page 26

... TLE8458Gx LIN Transceiver Unit Note / Test Condition kΩ Normal Mode LIN2.1 Param 26 µA Sleep Mode LIN 1) pF µ pF; RxD LIN2.1 Param 31 V µ ...

Page 27

... Valid for TLE8458G and TLE8458GV33, 3) Bus load conditions concerning LIN spec 2.1 4) Valid for TLE8458GU and TLE8458GUV33 Figure 13 Simplified Test Circuit for Dynamic Characteristics Data Sheet nF, 1 kΩ / 6.8 nF, 660 Ω nF, 500 Ω , LIN LIN 27 TLE8458Gx LIN Transceiver Rev. 1.01, 2009-04-28 ...

Page 28

... Figure 14 Timing Diagram for Dynamic Characteristics Data Sheet 28 TLE8458Gx LIN Transceiver Rev. 1.01, 2009-04-28 ...

Page 29

... Note: This is a simplified example of an application circuit. The function must be verified in the actual application. Data Sheet TLE7259-2GE V S 100 EN nF RxD TxD Bus INH WK GND INH TLE 4263 V I GND 100 nF TLE8458G 100 RxD nF TxD LIN Vcc WK GND 29 TLE8458Gx Application Information XC22XX 100 nF GND 22 µF ECU 1 XC22XX 10 100 µF nF GND ECU X Rev. 1.01, 2009-04-28 ...

Page 30

... ISO62132 part 4: 2006) the verification limit for the output voltage limit of +/- 100 mV. External test reports are available on request. 8.2 Pin Compatibility to Stand-Alone LIN transceivers The TLE8458G is pin - and function compatible to the single LIN transceivers like the TLE7259-2GE and its derivative the TLE7259-2GU (see V TLE7259-2GE the power supply output can be connected to the external microcontroller ...

Page 31

... Green products are RoHS-Compliant (i.e Pb-free finish on leads and suitable for Pb-free soldering according to IPC/JEDEC J-STD-020). For further information on alternative packages, please visit our website: http://www.infineon.com/packages. Data Sheet B 0.1 0 TLE8458Gx Package Outlines 0.35 x 45˚ -0.2 C 0.64 ±0.25 6 ±0.2 0 GPS01181 Dimensions in mm ...

Page 32

... Revision Date Changes 1.0 2009-03-23 Initial data sheet 1.01 2009-04-28 Editorial Change to the data sheet Update table 13 on page 30. P_8.1.1 performed test changed from: “ESD at LIN Pin” to: “ESD at Data Sheet V , LIN versus GND” TLE8458Gx Revision History Rev. 1.01, 2009-04-28 ...

Page 33

... Infineon Technologies Office. Infineon Technologies components may be used in life-support devices or systems only with the express written approval of Infineon Technologies 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 ...

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