SLVUCI2A March   2023  – May 2025 AM68 , AM68A , AM69 , AM69A , TDA4AH-Q1 , TDA4AL-Q1 , TDA4AP-Q1 , TDA4APE-Q1 , TDA4VE-Q1 , TDA4VH-Q1 , TDA4VL-Q1 , TDA4VP-Q1 , TDA4VPE-Q1 , TPS6594-Q1

 

  1.   1
  2.   TPS6594133A-Q1 PMIC User Guide for Jacinto J784S4 or J721S2, PDN-3A, PDN-3B, PDN-3F
  3.   Trademarks
  4. 1Introduction
  5. 2Processor Connections
    1. 2.1 Power Mapping
    2. 2.2 Control Mapping
  6. 3Supporting Functional Safety Systems
    1. 3.1 Achieving ASIL-B System Requirements
    2. 3.2 Achieving up to ASIL-D System Requirements
  7. 4Static NVM Settings
    1. 4.1  Application-Based Configuration Settings
    2. 4.2  Device Identification Settings
    3. 4.3  BUCK Settings
    4. 4.4  LDO Settings
    5. 4.5  VCCA Settings
    6. 4.6  GPIO Settings
    7. 4.7  Finite State Machine (FSM) Settings
    8. 4.8  Interrupt Settings
    9. 4.9  POWERGOOD Settings
    10. 4.10 Miscellaneous Settings
    11. 4.11 Interface Settings
    12. 4.12 Multi-Device Settings
    13. 4.13 Watchdog Settings
  8. 5Pre-Configurable Finite State Machine (PFSM) Settings
    1. 5.1 Configured States
    2. 5.2 PFSM Triggers
    3. 5.3 Power Sequences
      1. 5.3.1 TO_SAFE_SEVERE and TO_SAFE
      2. 5.3.2 TO_SAFE_ORDERLY and TO_STANDBY
      3. 5.3.3 ACTIVE_TO_WARM
      4. 5.3.4 ESM_SOC_ERROR
      5. 5.3.5 PWR_SOC_ERROR
      6. 5.3.6 MCU_TO_WARM
      7. 5.3.7 TO_MCU
      8. 5.3.8 TO_ACTIVE
      9. 5.3.9 TO_RETENTION
  9. 6Application Examples
    1. 6.1 Initialization
    2. 6.2 Moving Between States; ACTIVE, MCU ONLY and RETENTION
      1. 6.2.1 ACTIVE
      2. 6.2.2 MCU ONLY
      3. 6.2.3 RETENTION
    3. 6.3 Entering and Exiting Standby
    4. 6.4 Entering and Existing LP_STANDBY
  10. 7Impact of NVM Changes
  11. 8References
  12. 9Revision History

6 Application Examples

This section provides examples of how to interact with the PMICs from the perspective of the MCU and over I2C. Table 6-1 shows how the I2C commands are presented in the following sections. These examples, when used in conjunction with the data sheet, can be generalized and applied to other use cases.

Table 6-1 I2C Instruction Format
I2C Address Register Address Data Mask
Write 0x48 0x00 - 0xFF 0x00 - 0xFF 0x00 - 0xFF
Read 0x48 0x00 - 0xFF NA NA
Note: When the MASK is non-zero, this assumes a read has taken place and then a logical operation applied to only change the desired bit fields before writing the data back.