SNVSCG1 july   2023 TPS38700S-Q1

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Revision History
  6. Device Comparison
  7. Pin Configuration and Functions
  8. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Typical Characteristics
  9. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Device State Diagram
      2. 8.3.2 Sync Functionality
      3. 8.3.3 Transitioning Sequences
        1. 8.3.3.1 Power Up
        2. 8.3.3.2 Power Down
        3. 8.3.3.3 Emergency Power Down
      4. 8.3.4 BACKUP State
      5. 8.3.5 Thermal Shutdown (TSD) State
      6. 8.3.6 I2C
        1. 8.3.6.1 I2C
    4. 8.4 Register Map Table
      1. 8.4.1 Register Descriptions
  10. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Automotive Multichannel Sequencer and Monitor
      2. 9.2.2 Design Requirements
      3. 9.2.3 Detailed Design Procedure
      4. 9.2.4 Test Implementation
      5. 9.2.5 Application Curves
  11. 10Power Supply Recommendations
    1. 10.1 Power Supply Guidelines
  12. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  13. 12Device and Documentation Support
    1. 12.1 Device Nomenclature
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Support Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  14.   Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

I2C

Refer to Table 8-1 for the I2C register map overview. Note that "PSEQ" refers to TPS38700S-Q1 and is used enhance table readability.

Table 8-1 I2C Register Categories and Associated Details
TYPEBITSDESCRIPTIONRANGE / FUNCTION OR STATUSWHO TOGGLES THEM?WHO ELSE CAN WRITE TO THEM?WHAT GETS AFFECTED DUE TO THIS BIT?
OTP bits RVENDORID[7:0]TI definedTI definedOTP optionNoneNone
MODEL_REV[7:0]TI definedTI definedOTP optionNoneNone
TARGET_ID[7:0]TI definedTI definedOTP optionNoneI2C
Interrupt info bits RW1CF_INTERRInternal faultNo internal fault / Internal fault detectedInterruptAny of the interrupts generated; Can be cleared by writing 1NIRQ
EM_PD (1)Emergency Power downNo emergency PD / shutdown caused by emergency PDPSEQPSEQ; SOCNRST; NIRQ
F_ENEnable output pin faultNo faults detected / fault detectedEN readback-PSEQPSEQ; SOCNIRQ; NRST
F_NRSTIRQReset or Interrupt pin faultNo faults detected / fault detectedReset readback-PSEQPSEQ; SOCNIRQ
F_LDOLDO faultNo faults detected / fault detectedBISTBIST; SOCNIRQ; NRST
F_TSDThermal shutdown faultNo faults detected / fault detectedTSDTSD; SOCNIRQ; NRST
F_RT_CRCRuntime CRC register faultNo faults detected / fault detectedCRCSOCNIRQ
Status bits RST_NIRQCurrent state of NIRQ outputNIRQ asserted / not assertedInterruptNoneNone
ST_NRSTCurrent state of NRST outputNRST asserted / not assertedInterrupt; NRSTstate changeNoneNone
ST_ACTSHDNCurrent state of ACT inputACT pin driven Low or HighPSEQNoneNone
ST_PSEQ[1:0]Current state of PSEQSHDNx, Power Up, Power Down, invalid, ActivePSEQNoneNone
STDR1Current drive state of GPO12 to GPO9Sequencer is driving EN Low or HighPSEQNoneNone
STDR2Current drive state of GPO7,8 to EN1Sequencer is driving EN Low or HighPSEQNoneNone
CONTROL R/WFORCE_INTForce NIRQ lowNIRQ contolled by faults / registerSOCSOCNRST
FORCE_ACTForce PSEQ Active statePSEQSOC can clear it; but not set itPSEQ
RST_DLY[3:0]Reset Delay0.1 ms to 128 msSOCNonePSEQ
PSEQUSLOT[3:0]Power Up time slots125 μs / 2.5 sSOCNonePSEQ
DSLOT[3:0]Power Down time slots125 μs / 2.5 sSOCNonePSEQ
SSTEPSlot step multiplier250 μs / 1000 μsSOCNonePSEQ
PU[3:0][12:1]Power Up SequenceENx not mapped / ENx mappedSOCNonePSEQ
PD[3:0][12:1]Power Down SequenceENx not mapped / ENx mappedSOCNonePSEQ
PROTWRKWork set register lock0 / 1SOC only 1NoneWrite function to those register groups
SEQSSEQS set register lock0 / 1SOC only 1NoneWrite function to those register groups
SEQPSEQP set register lock0 / 1SOC only 1NoneWrite function to those register groups
SEQCSEQC set register lock0 / 1SOC only 1NoneWrite function to those register groups
CTLCTL set register lock0 / 1SOC only 1NoneWrite function to those reg groups
Presence of fault reporting functionality dependent on part configuration.