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功能安全芯片TLF35584.pdf

发布时间：2022-06-14 发布人：admin 分类：说明书 资料大小：2.16M 资料格式：pdf 举报 版权申诉
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    TLF35584 - System Supply for Safety- Relevant Applications Karman Wu Nov 2016 confidential
    Content 1 2 3 4 5 6 Overview TLF35584 Blocks: Power Management Blocks: Functional Safety Block: µC-Interface Application Diagrams Appendix: Support Material April 2016 confidential Copyright © Infineon Technologies AG 2016. All rights reserved. 2
    Content 1 2 3 4 5 6 Overview TLF35584 Blocks: Power Management Blocks: Functional Safety Block: µC-Interface Application Diagrams Appendix: Support Material April 2016 confidential Copyright © Infineon Technologies AG 2016. All rights reserved. 3
    TLF35584 System Supply for Safety-Relevant Applications Key Features › Buck/Boost-Pre-Regulator › EN/Wake (T15 and CAN/FlexRay) – IQ = 1.3A; f: 300kHz-2.5MHz › SPI › µC-Supply: 3.3V/5V @ 600mA › Safety Features › Reference-LDO: 5V @ 150mA (±1%) – Multiple bandgap › 2x Tracker: 5V @ 150mA › Communication-Supply: 5V @ 200mA › StandBy-LDO: 3.3V/5V @ 10mA (supply vs V-monitoring) – UV/OV-Monitoring, ERR-Monitoring – Functional-WD & Window-WD – Safe State Control Secondary Safety Path – Protected safety area – Built In Self Test – Development acc. ISO26262 › Vin: 3V .. 40V Package April 2016 confidential Copyright © Infineon Technologies AG 2016. All rights reserved. 4 PG-VQFN-48 PG-LQFP-64
    TLF35584 Applications › Powertrain – Engine Management – Transmission › xEV – Battery Management – Inverter – … › Safety – Electrical Power Steering – Braking – Active Suspension – Chassis Control – Domain Control – ADAS Domain Control – … April 2016 confidential Copyright © Infineon Technologies AG 2016. All rights reserved. 5
    TLF35584 System Supply General Information › General – PG-VQFN-48 – As TLF35584QV – With lead-tip-inspection – Footprint: 7mm x 7mm – Pitch: 0.5 – PG-LQFP-64 (coming with delay vs VQFN) – As TLF35584QK – Footprint: 12mm x 12mm – Pitch: 0.5 – Vin: 3V .. 40V (45V transient, 60V with rise time >10ms) – Tj: -40°C .. 150°C (extension to be checked on request acc. customer temperature- profile for PG-LQFP-64) – Development acc. Safety Standards (ISO26262) April 2016 confidential Copyright © Infineon Technologies AG 2016. All rights reserved. 6 Sales NamePackageLDO1Stanby-LDOLDO2Tracker 1 & 2Ref.-LDOTLF35584QVVS1PG-VQFN-485V5V5V5V5VTLF35584QVVS2PG-VQFN-483.3V3.3V5V5V5VTLF35584QKVS1PG-LQFP-645V5V5V5V5VTLF35584QKVS2PG-LQFP-643.3V3.3V5V5V5V
    TLF35584 System Supply Overview Power Management Pre-Regulator Synchronous Buck Optional Asynchronous Boost Control & Monitoring Of External Core-supply Post-Regulator µC-Supply Communication-Supply Sensor-Supply Voltage-Reference Enable & Wake/INH, Timer Standby-Supply State Machine Internal Supply, Bandgap, Clock Functional Safety Window-Watchdog Functional-Watchdog Voltage Monitoring Interrupt-/Reset- Generator Error Monitoring Built In Self Test Safe State Controller Protected Safety Area, Bandgap µC-Interface SPI April 2016 confidential Copyright © Infineon Technologies AG 2016. All rights reserved. 7 VS1/2VSTLogicBuck-RegulatorFeedbackµP Supply 3.3V (5V)Communication Supply 5.0VSensor Supply15.0VTLF35584Voltage MonitoringBandgap 2 for Reset Mon.Bandgap 1 for RegulatorsSPIENABLEVoltage ReferenceSensor Supply25.0VTimerComparatorInternal Supply CLOCK 1 REGULATORINTERRUPT GeneratorQSTFRESTUSW1/2PG1/2FB1-5SYNEVCSECVCIQUCQCOQT1QT2QVRAG2AG1ERRWDISDOSDISCLSCSINTROTWAKENARSLBSGRSHDRGWindow WatchdogFunctionalWatchdog STBY LDO3.3V (5V)(as LDO1)Boost-RegulatorError MonitorSS2SS1DriverProtected Safety AreaSafe State ControllerDriverSafe State ControlRESETGenerator
    TLF35584 System Supply Block Diagram April 2016 confidential Copyright © Infineon Technologies AG 2016. All rights reserved. 8 VS1/2VSTLogicBuck-RegulatorFeedbackµP Supply 3.3V (5V)Communication Supply 5.0VSensor Supply15.0VTLF35584Voltage MonitoringBandgap 2 for Reset Mon.Bandgap 1 for RegulatorsSPIENABLEVoltage ReferenceSensor Supply25.0VTimerComparatorInternal Supply CLOCK 1 REGULATORINTERRUPT GeneratorQSTFRESTUSW1/2PG1/2FB1-5SYNEVCSECVCIQUCQCOQT1QT2QVRAG2AG1ERRWDISDOSDISCLSCSINTROTWAKENARSLBSGRSHDRGWindow WatchdogFunctionalWatchdog STBY LDO3.3V (5V)(as LDO1)Boost-RegulatorError MonitorSS2SS1DriverProtected Safety AreaSafe State ControllerDriverSafe State ControlRESETGenerator
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