O3850AQDCARQ1

Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design TPS653850A-Q1, TPS653852A-Q1 SLVSF96 – JANUARY 2020 TPS653850A-Q1 and TPS653852A-Q1 Multirail Power Supply for Microcontrollers in Safety-Relevant Applications 1 Device Overview 1.1 Features 1 • Qualified for Automotive Applications • AEC-Q100 Qualified With the Following Results: – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature – Device HBM ESD Classification Level 2 – Device CDM ESD Classification Level C4B • Input Voltage Range – 7 to 36-V for Initial Battery Power Up – 4 to 36-V Full Functionality After Initial Battery Power Up – Minimum 2.3 V During Operation After Wake-up • Supply Rails (With Internal FETs) – 6-V Synchronous Buck-Boost Preregulator – 5-V, 285-mA LDO (CAN, Peripherals or ADC REF 1% accuracy with 20 to 120 mA load) – 3.3-V or 5-V, 350-mA LDO (MCU) TPS653850A-Q1. 3.3-V 350-mA or 5-V 500 mA LDO (MCU) TPS653852A-Q1 – 2 LDOs Protected for Sensor Supply or Peripherals – 120 mA for Sensor Supply 1 (VSOUT1), 100 mA for Sensor Supply 2 (VSOUT2) – Configurable Tracking Mode (Tracking Input Pin), or 3.3-V or 5-V Fixed Output Voltage – Short-to-Ground and Battery Protection – Charge Pump: 6-V Minimum, 11-V Maximum Above Battery Voltage • Monitoring and Protection – Independent Undervoltage and Overvoltage Monitoring on All Regulator Outputs, Battery Voltage, and Internal Supplies – Voltage Monitoring Circuitry, Including Independent Bandgap Reference, Supplied from Separate Battery Voltage Input Pin – Self-Check on All Voltage Monitoring (During Power-Up and After Power-Up Initiated by External MCU) – All Supplies Protected With Current Limit and Overtemperature Prewarning and Shutdown 1.2 • • Microcontroller Interface – Open and Close Window or Question-Answer Watchdog Function – Monitor for Functional Safety MCU Fault output (PWM or level), MCU Error-Signal Monitor – DIAGNOSTIC state for Performing Device SelfTests and System Diagnostics – SAFE State for Device and System Protection upon Detected System Failure – Clock Monitor for Internal Oscillator – Analog and Logic Built-In Self-Test – CRC on Non-Volatile Memory as well as Device and System Configuration Registers and SPI Communications – Reset Circuit for MCU – Diagnostic Output Pin • SPI With CRC on Command Plus Data • Error Reporting Through SPI Registers for Errors on System Level and Device Level • Enable-Drive Output for Disabling External PowerStages on Any Detected System Failure • Wake-up through IGN Pin (ignition) or CAN_WU Pin (transceiver or other function) • 48-Pin HTSSOP PowerPAD™ IC Package Applications Automotive Safety-Relevant Applications • Industrial Safety-Relevant Applications 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. TPS653850A-Q1, TPS653852A-Q1 SLVSF96 – JANUARY 2020 1.3 www.ti.com Description The TPS653850A-Q1 and TPS653852A-Q1 device is a multirail power supply designed to supply microcontrollers in safety relevant applications, such as those found in the automotive industry. The device supports functional safety microcontrollers with dual-core lockstep (LS) and other multi-core architectures. The TPS653850A-Q1 and TPS653852A-Q1 device integrates multiple supply rails to power the MCU, CAN or FlexRay, and external sensors. A buck-boost converter with internal FETs converts the input battery voltage between 2.3 V and 36 V to a 6-V preregulator output that supplies the other regulators. An integrated charge pump provides an overdrive voltage for the internal regulators, and can also be used to drive an external NMOS FET as reverse battery protection. The device supports wake-up from an ignition signal (IGN pin) or wake-up from a CAN transceiver or other signal (CAN_WU pin). An independent voltage monitoring unit inside the device monitors undervoltage and overvoltage on all internal supply rails and regulator outputs of the battery supply. Regulator current limits and temperature protections are also implemented. The TPS653850A-Q1 and TPS653852A-Q1 device features a questionanswer watchdog, MCU error-signal monitor, clock monitoring on internal oscillator, self-check on clock monitor, cyclic redundancy check (CRC) on non-volatile memory and SPI communication, a diagnostic output pin allowing MCU to observe device internal analog and digital signals, a reset circuit for the MCU (NRES pin) and a safing output (ENDRV pin) to disable external power-stages on any detected systemfailure. The device automatically runs a built-in self-test (BIST) at start up and the MCU may re-run the BIST during system run time through software control if needed. A dedicated DIAGNOSTIC state allows the MCU to check TPS653850A-Q1 and TPS653852A-Q1 functionality. The TPS653850A-Q1 and TPS653852A-Q1 device also has an error reporting capability through the SPI register. The device has separate status bits in the SPI register for each specific error on the system level or device level. When the device detects a particular error condition, it sets the appropriate status bit and keeps this status bit set until the MCU reads-out the SPI register in which this status bit was set. Based on which status bit was set, the MCU can decide whether it must keep the system in a safe state or whether it can resume with the operation of the system. The TPS653850A-Q1 and TPS653852A-Q1 device is available in a 48-pin HTSSOP PowerPAD™ IC package. Table 1-1. Device Information (1) PART NUMBER TPS653850A-Q1 and TPS653852A-Q1 (1) 2 PACKAGE BODY SIZE HTSSOP (48) 12.50 mm × 6.10 mm For more information, see Section 4, Mechanical Packaging and Orderable Information. Device Overview Copyright © 2020, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TPS653850A-Q1 TPS653852A-Q1 TPS653850A-Q1, TPS653852A-Q1 www.ti.com 1.4 SLVSF96 – JANUARY 2020 Typical Application Diagram Battery Voltage (2.3 V to 36 V) TPS65385xx-Q1 5V CAN Interface CAN wakeup Multirail Power Supply Ignition EN Voltage Monitor FETs 3.3 V / 5 V DRVOFF ENDRV RESET Error Signal Monitor 6 × PWM 3 × HS NRES ERROR Dual-Core Lock-Step Microcontroller Watchdog SPI DIAG_OUT M Motor-Driver (DRV320x) 3 × LS SPI SPI DIAG_OUT 3.3 V, 5 V Sensor 1 Sensor 2 Texas Instruments TPS653850A-Q1 TPS653851A-Q1 TPS653852A-Q1 TPS653853A-Q1 TPS653854A-Q1 Functional safety ASIL-D ASIL D ISO26262 buck boost buck-boost 2MHz low power mode synchronous AEC-Q100 grade-1 grade-0 grade 1 grade 0 SBC sensor supply tracking efficiency pre-regulator, state machine window Q&A watchdog safe state controller Build in self test BIST ABIST LBIST power management uC µC Interface SPI Infineon www.infineon.com IFX TLF35584 AURIX AURIXTM TC3xx TC39x TC399 TC397 TC277 TC297 TC299 TC35 TC36 TC37 TC38 TLF35584 TLF35584QVVS2 TLF35584QVVS2 TLF35584QKVS1 TLF35584QKVS2 TLF35584QV VS1/VS2 TLF35584QK VS1/VS2 PRO-SIL NXP nxp.com FS45 FS65 FS66 FS6600 FS84 FS85 MPC57xx PMC57 MPC574 MPC577 MPC56 MPC56xx SafeAssure STM st.com SPC5 SPC5 P SPC56 SPC57 SPC58 Allegro MicroSystems A²-SIL A4412 ARG81400 ARG82800 ARG82801 Safety Microcontroller MCU AUTOSAR FMEA safety case Automotive motor control body chassis BMS Battery Management system EPS Electric Power Steering Belt Starter Generator xSG Traction Inverter Braking Electric Park Brake EPB DSG transmission gear shifter transfer case engine management ADAS fusion body control module ADAS domain controller, suspension, DC/DC, charger, gateway HEV/EV 3.3 V / 5 V Figure 1-1. Typical Application Diagram Copyright © 2020, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TPS653850A-Q1 TPS653852A-Q1 Device Overview 3 TPS653850A-Q1, TPS653852A-Q1 SLVSF96 – JANUARY 2020 www.ti.com Table of Contents 1 2 3 Device Overview ......................................... 1 3.2 Documentation Support 1.1 Features .............................................. 1 3.3 Receiving Notification of Documentation Updates ... 5 1.2 Applications ........................................... 1 3.4 Support Resources ................................... 5 1.3 Description ............................................ 2 3.5 Trademarks ........................................... 5 1.4 Typical Application Diagram .......................... 3 3.6 Electrostatic Discharge Caution ...................... 5 Revision History ......................................... 4 Device and Documentation Support ................. 5 3.7 Glossary .............................................. 5 3.1 4 Related Links ......................................... 5 .............................. 5 Mechanical, Packaging, and Orderable Information ................................................ 5 2 Revision History NOTE: Page numbers for previous revisions may differ from page numbers in the current version. 4 DATE REVISION NOTES January 2020 * Initial Release Revision History Copyright © 2020, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: TPS653850A-Q1 TPS653852A-Q1 TPS653850A-Q1, TPS653852A-Q1 www.ti.com SLVSF96 – JANUARY 2020 3 Device and Documentation Support 3.1 Related Links The table below lists quick access links. Categories include technical documents, support and community resources, tools and software, and quick access to order now. Table 3-1. Related Links PARTS PRODUCT FOLDER ORDER NOW TECHNICAL DOCUMENTS TOOLS & SOFTWARE SUPPORT & COMMUNITY TPS653850A-Q1 Click here Click here Click here Click here Click here TPS653852A-Q1 Click here Click here Click here Click here Click here 3.2 3.2.1 Documentation Support Related Documentation For related documentation see the following: • Texas instruments, DRV3201-Q1 3 Phase Motor Driver-IC for Automotive Safety Applications data sheet • Texas instruments, DRV3205-Q1 Three-Phase Automotive Gate Driver With Three Integrated Current Shunt Amplifiers and Enhanced Protection, Diagnostics, and Monitoring data sheet 3.3 Receiving Notification of Documentation Updates To receive notification of documentation updates, navigate to the device product folder on ti.com. In the upper right corner, click on Alert me to register and receive a weekly digest of any product information that has changed. For change details, review the revision history included in any revised document. 3.4 Support Resources TI E2E™ support forums are an engineer's go-to source for fast, verified answers and design help — straight from the experts. Search existing answers or ask your own question to get the quick design help you need. Linked content is provided "AS IS" by the respective contributors. They do not constitute TI specifications and do not necessarily reflect TI's views; see TI's Terms of Use. 3.5 Trademarks PowerPAD, E2E are trademarks of Texas Instruments. 3.6 Electrostatic Discharge Caution This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. 3.7 Glossary TI Glossary This glossary lists and explains terms, acronyms, and definitions. 4 Mechanical, Packaging, and Orderable Information The following pages include mechanical, packaging, and orderable information. This information is the most current data available for the designated devices. This data is subject to change without notice and revision of this document. For browser-based versions of this data sheet, refer to the left-hand navigation. Mechanical, Packaging, and Orderable Information Submit Documentation Feedback Product Folder Links: TPS653850A-Q1 TPS653852A-Q1 Copyright © 2020, Texas Instruments Incorporated 5 PACKAGE OPTION ADDENDUM www.ti.com 25-Feb-2020 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan Lead/Ball Finish MSL Peak Temp (2) (6) (3) Op Temp (°C) Device Marking (4/5) O3850AQDCARQ1 ACTIVE HTSSOP DCA 48 2000 Green (RoHS & no Sb/Br) NIPDAU Level-3-260C-168 HR -40 to 125 O3850A O3852AQDCARQ1 PREVIEW HTSSOP DCA 48 2000 Green (RoHS & no Sb/Br) NIPDAU Level-3-260C-168 HR -40 to 125 O3852A (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may reference these types of products as "Pb-Free". RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption. Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of