SLVUCD4 November   2022 TPS6594-Q1

 

  1.   PDN-2A User's Guide for Powering DRA821 with TPS65941515-Q1 PMIC
  2.   Trademarks
  3. 1Introduction
  4. 2Device Versions
  5. 3Processor Connections
    1. 3.1 Power Mapping
    2. 3.2 Control Mapping
  6. 4Supporting Functional Safety Systems
    1. 4.1 Achieving ASIL-B System Requirements
    2. 4.2 Achieving up to ASIL-D System Requirements
  7. 5Static 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
  8. 6Pre-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
  9. 7Application 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
  10. 8References

5.9 POWERGOOD Settings

These settings detail the default configurations for what is monitored by PGOOD pin. All these settings can be changed though I2C after startup.

Table 5-9 POWERGOOD NVM Settings
Register NameField NameTPS65941515-Q1
ValueDescription
PGOOD_SEL_1PGOOD_SEL_BUCK10x0Masked
PGOOD_SEL_BUCK20x0Masked
PGOOD_SEL_BUCK30x0Masked
PGOOD_SEL_BUCK40x0Masked
PGOOD_SEL_2PGOOD_SEL_BUCK50x0Masked
PGOOD_SEL_3PGOOD_SEL_LDO10x0Masked
PGOOD_SEL_LDO20x0Masked
PGOOD_SEL_LDO30x0Masked
PGOOD_SEL_LDO40x0Masked
PGOOD_SEL_4PGOOD_SEL_VCCA0x0Masked
PGOOD_SEL_TDIE_WARN0x0Masked
PGOOD_SEL_NRSTOUT0x0Masked
PGOOD_SEL_NRSTOUT_ SOC0x0Masked
PGOOD_POL0x0

PGOOD signal is high when monitored inputs are valid

PGOOD_WINDOW0x1Both undervoltage and overvoltage are monitored