SLVUCD4A November   2022  – July 2026 DRA821U , DRA821U-Q1 , TPS6594-Q1

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6. 1 System Description
  7. 2 Highlighted Products
    1. 2.1 Device Versions
  8. 3 Processor Connections
    1. 3.1 Power Mapping
    2. 3.2 Control Mapping
  9. 4 Supporting Functional Safety Systems
    1. 4.1 Achieving ASIL-B System Requirements
    2. 4.2 Achieving up to ASIL-D System Requirements
  10. 5 Static NVM Settings
    1. 5.1  Application-Based Configuration Settings
    2. 5.2  Device Identification Settings
    3. 5.3  BUCK Settings
    4. 5.4  LDO Settings
    5. 5.5  VCCA Settings
    6. 5.6  GPIO Settings
    7. 5.7  Finite State Machine (FSM) Settings
    8. 5.8  Interrupt Settings
    9. 5.9  POWERGOOD Settings
    10. 5.10 Miscellaneous Settings
    11. 5.11 Interface Settings
    12. 5.12 Watchdog Settings
  11. 6 Pre-Configurable Finite State Machine (PFSM) Settings
    1. 6.1 Configured States
    2. 6.2 PFSM Triggers
    3. 6.3 Power Sequences
      1. 6.3.1 TO_SAFE_SEVERE and TO_SAFE
      2. 6.3.2 TO_SAFE_ORDERLY and TO_STANDBY
      3. 6.3.3 ACTIVE_TO_WARM
      4. 6.3.4 TO_ACTIVE
      5. 6.3.5 TO_RETENTION
  12. 7 Application Examples
    1. 7.1 Moving Between States: ACTIVE and RETENTION
      1. 7.1.1 ACTIVE
      2. 7.1.2 RETENTION
    2. 7.2 Entering and Exiting Standby
    3. 7.3 Entering and Existing LP_STANDBY
    4. 7.4 GPIO8 and Watchdog
  13. 8 References
  14. 9 Support Resources
  15. 10Trademarks
  16. 11Revision History

5.5 VCCA Settings

These settings detail the default monitoring enabled on VCCA. All these settings can be changed though I2C after startup.

Table 5-5 VCCA NVM Settings
Register Name Field Name TPS65941515-Q1
Value Description
VCCA_VMON_CTRL VMON_DEGLITCH_SEL 0x1 20 us
VCCA_VMON_EN 0x1 Enabled; OV and UV comparators.
VCCA_PG_WINDOW VCCA_OV_THR 0x7 +10%
VCCA_UV_THR 0x7 -10%
VCCA_PG_SET 0x0 3.3 V