功能安全芯片TLF35584

【实例简介】
英飞凌主打的功能安全芯片TLF35584的介绍文档；汽车电子上有广泛应用
infineon Content Overview tlF35584 2 Blocks: Power Management 3 Blocks: Functional Safety 4 Block: uC-Interface 5 Application Diagrams 6 Appendix: Support Material April 2016 confidential Copyright C Infineon Technologies AG 2016. All rights reserved 3 TLF35584 System Supply System Supply infineon for Safety-Relevant Applications A DC Key Features Buck /Boost-Pre-Regulator EN/Wake(t15 and CAN/FlexRay) IQ=1.3A: f: 300kHz-2 5MHZ SPI uC-Supply: 3.3V5V@ 600mA 〉 Safety Features So26262 Reference-LDO: 5V 150mA(+1%0 Multiple bandgap 2X Tracker 5V 150mA (supply vs V-monitoring) UV/OV-Monitoring, ERR-Monitoring Communication -Supply: 5V@ 200mA Functional - wd window - WD 〉 Stand By-LDO:3.3V/5∨@10mA Safe state Control Secondary safety path Vbatt PRO Safety System Supply TLF35584 sI Safety Path Protected safety area Window-&Q/A- UV-/OV-/Error- Safe State Watchdog Monitoring Controller Built in self test Development acc. iso26262 Boost/Buck StdBy C Ref Tracker Com Pre-Reg LDO LDO LDO Tracker2 LDO 〉Vin:3V.40V Package Development LDO Sensors SMPR Sensors AEC Tracker Qualified CAN Flex Ray √RoHs PG-VQFN-48 PG-LQFP-64 April 2016 confidential Copyright C Infineon Technologies AG 2016. All rights reserved TLF35584 infineon Applications A DC 〉 Powertrain Engine Management Transmission 〉XE∨ Battery Management Inverter ABS Safety Electrical Power Steering Braking Active suspension Chassis contro Domain control 130 ADAS Domain control O April 2016 confidential Copyright C Infineon Technologies AG 2016. All rights reserved 5 System Supply TLF35584 System Supply infineon General information General PG-VQFN-48 Vin:3∨.40V (45V transient, 60V with rise time >10ms AS TLF35584QV Q With lead-tip-inspection Tj:-40°C.150°c (extension to be checked on request acc. customer temperature- Footprint: 7mm xmm profile for PG-LQFP-64) Pitch:0.5 Development acc. Safety Standards (ISO26262) PG-LQFP-64(coming with delay vs VQFn) AS TLF35584QK So26262 Footprint: 12mm x 12mm In Development Q Pitch:0.5 0Q AEC ROHS Qualified Sales Name Package LDO1 Stanby- LDO LDO2 Tracker 1&2 Ref.-LDO TLF35584QVVS1 PG-VQFN-48 5V 5V 5V 5V 5V TLF35584QVVS2 PG-VQFN-48 33V 3.3V 5V 5∨ 5V TLF35584QKVS1 PG-LQFP-64 5V 5V 5V 5V 5V TLF35584QKVS2 PG-LQFP-64 3 3V 3.3y 5V 5V 5V April 2016 confidential Copyright C Infineon Technologies AG 2016. All rights reserved 6 TLF35584 System Supply infineon Overview A DC Power Management Pre-Regulator Post-Regulator Synchronous buck uC-Supply TLF35584 「STBY VST 3.3V Optional Asynchronous Boost Communication-Supply VS1/2 Internal Boost- Supply Sensor-Supply Regulator k DRG Control Monitoring of RSH External Core-supply Voltage-Reference BSG PG1/2 Enable Wake/INh, timer Standby-Supply Timer Feedback FB1-5 ENABLE State machine Internal Supply, Bandgap, Clock CLOCK 1 Bandgap 2 REGULATOR for Reset Mon Functional Safety Voltage Monitoring uP Supply ROT RESET 33V(5v) Window-Watchdog Voltage Monitoring Generator INTERRUPT QcO Functional-Watchdog Generator 5.0v Interrupt-/Reset-Generator Sensor Supply1 QT1 5.0v Error Monitoring Built in self test SPI Sensor Supply2 SDO 5.0v Safe state Controller Protected Safety Area, Bandgap Voltage QVR Reference Watchdog Watchdo Safe State Control Regulators uC-Interface ERR afeState Controller Error Monitor SPI AG2 April 2016 confidential Copyright C Infineon Technologies AG 2016. All rights reserved TLF35584 System Supply infineon Block Diagram TLF35584 STBY LDO 33V(5V) (as LDo1 Comparator Boost- Regulate Logic RSH BSG SW1/2 Regulat FB1-5 WAK ENABLE CLOCK 1 SYN Bandgap 2 REGULATOR for Reset Mor EVC Voltage Monitoring uP Supply QUC RESET 33V(5V) Generator Communication INT INTERRUPT QCO Generat 5.0v SCS Sensor Supply 1 QT1 5.0v SDI SPI Sensor Supply QT2 SDO 5.0v Voltag Window Functional Reference Watchdog Watchdog Bandgap 1 fc Safe State Control Regulators ——— Ife state Controller Error monitor Safety Ar April 2016 confidential Copyright C Infineon Technologies AG 2016. All rights reserved 8 infineon Content Overview TlF35584 Blocks: Power Management 3 Blocks: Functional Safety 4 Block: uC-Interface 5 Application Diagrams 6 Appendix: Support Material April 2016 confidential Copyright C Infineon Technologies AG 2016. All rights reserved 9 System Supply infineon =/oc= Pre-/ Post-Regulator Architecture Buck or Batter Boost/ Buck Linear Requlator Transceiver Converter Block On-Board Sensors Tracker off-Board ● Block Sensors Pre-Regulator Post-Regulator April 2016 confidential Copyright C Infineon Technologies AG 2016. All rights reserved 10 【实例截图】
【核心代码】