ZHCSAH1B November 2012 – April 2019 TPS53819A
PRODUCTION DATA.
The TPS53819A supports the PMBus commands shown in Table 1 only. Not all features of each PMBus command are supported. The CLEAR_FAULTS, STORE_DEFAULT_ALL and RESTORE_DEFAULT_ALL commands have no data bytes. The non-volatile memory (NVM) cells inside the TPS53819A can permanently store some registers.
| COMMAND | NOTES |
|---|---|
| OPERATION | Turn on or turn off switching converter only |
| ON_OFF_CONFIG | ON/OFF configuration |
| CLEAR_FAULTS | Clear all latched status flags |
| WRITE_PROTECT | Control writing to the PMBus device |
| STORE_DEFAULT_ALL | Store contents of user-accessible registers to non-volatile memory cells |
| RESTORE_DEFAULT_ALL | Copy contents of non-volatile memory cells to user-accessible registers |
| STATUS_WORD | PMBus read-only status and flag bits |
| CUSTOM_REG | MFR_SPECIFIC_00 (Custom Register 0): Custom register |
| DELAY_CONTROL | MFR_SPECIFIC_01 (Custom Register 1): Power on and power good delay times |
| MODE_SOFT_START_CONFIG | MFR_SPECIFIC_02 (Custom Register 2): Mode and soft-start time |
| FREQUENCY_CONFIG | MFR_SPECIFIC_03 (Custom Register 3): Switching frequency control |
| VOUT_ADJUSTMENT | MFR_SPECIFIC_04 (Custom Register 4): Output voltage adjustment control |
| VOUT_MARGIN | MFR_SPECIFIC_05 (Custom Register 5): Output voltage margin levels |
| UVLO_THRESHOLD | MFR_SPECIFIC_06 (Custom Register 6): Turn-on input voltage UVLO threshold |