SLVUD67 September 2025 TPS6521505-Q1
The PMIC has an Active and Standby state where rails can be enabled or disabled. The state change can be triggered by the MODE/STBY pin when configured as STBY.
| Register Address | Bit | Field Name | Settings | |
|---|---|---|---|---|
| Enable rails in Active state | 0x02 | 5 | LDO2_EN | 0h = Disabled 1h = Enabled |
| 3 | LDO1_EN | 0h = Disabled 1h = Enabled |
||
| 2 | BUCK3_EN | 0h = Disabled 1h = Enabled |
||
| 1 | BUCK2_EN | 0h = Disabled 1h = Enabled |
||
| 0 | BUCK1_EN | 0h = Disabled 1h = Enabled |
||
| Enable rails in Standby state | 0x21 | 5 | LDO2_STBY_EN | 0h = Disabled 1h = Enabled |
| 3 | LDO1_STBY_EN | 0h = Disabled 1h = Enabled |
||
| 2 | BUCK3_STBY_EN | 0h = Disabled 1h = Enabled |
||
| 1 | BUCK2_STBY_EN | 0h = Disabled 1h = Enabled |
||
| 0 | BUCK1_STBY_EN | 0h = Disabled 1h = Enabled |