Texas Instruments TPS6593-Q1, User Manual

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Table 4-4. BUCK NVM Settings (continued)
Register Name Field Name
TPS6593-Q1
Value Description
BUCK_RESET_REG BUCK1_RESET 0x0 0x0
BUCK2_RESET 0x0 0x0
BUCK3_RESET 0x0 0x0
BUCK4_RESET 0x0 0x0
BUCK5_RESET 0x0 0x0
FREQ_SEL BUCK1_FREQ_SEL 0x0 2.2 MHz
BUCK2_FREQ_SEL 0x0 2.2 MHz
BUCK3_FREQ_SEL 0x0 2.2 MHz
BUCK4_FREQ_SEL 0x0 2.2 MHz
BUCK5_FREQ_SEL 0x0 2.2 MHz
(1) This NVM default value can change when the device transitions to ACTIVE mode.
4.4 LDO Settings
These settings detail the default voltages, configurations, and monitoring of the LDO rails. All these settings can
be changed though I
2
C after startup.
Table 4-5. LDO NVM Settings
Register Name Field Name
TPS6593-Q1
Value Description
LDO1_CTRL LDO1_EN
(1)
0x0 Disabled; LDO1 regulator.
LDO1_SLOW_RAMP 0x0 25 mV/µs max ramp up slew rate for LDO output from 0.3 V to
90% of LDOn_VSET
LDO1_VMON_EN 0x0 Disable OV and UV comparators.
LDO1_PLDN 0x2 250 Ω
LDO1_RV_SEL 0x0 Disabled
LDO2_CTRL LDO2_EN
(1)
0x0 Disabled; LDO2 regulator.
LDO2_SLOW_RAMP 0x0 25 mV/us max ramp up slew rate for LDO output from 0.3V to
90% of LDOn_VSET
LDO2_VMON_EN 0x0 Disabled; OV and UV comparators.
LDO2_PLDN 0x2 250 Ω
LDO2_RV_SEL 0x0 Disabled
LDO3_CTRL LDO3_EN
(1)
0x0 Disabled; LDO3 regulator.
LDO3_SLOW_RAMP 0x0 25 mV/us max ramp up slew rate for LDO output from 0.3 V to
90% of LDOn_VSET
LDO3_VMON_EN 0x0 Disabled; OV and UV comparators.
LDO3_PLDN 0x2 250 Ω
LDO3_RV_SEL 0x0 Disabled
LDO4_CTRL LDO4_EN
(1)
0x0 Disabled; LDO4 regulator.
LDO4_SLOW_RAMP 0x0 25 mV/us max ramp up slew rate for LDO output from 0.3 V to
90% of LDOn_VSET
LDO4_VMON_EN 0x0 Disabled; OV and UV comparators.
LDO4_PLDN 0x2 250 Ohm
LDO4_RV_SEL 0x0 Disabled
LDO1_VOUT LDO1_VSET 0x4 0.60 V
LDO1_BYPASS 0x0 Linear regulator mode.
LDO2_VOUT LDO2_VSET 0x4 0.60 V
LDO2_BYPASS 0x0 Linear regulator mode.
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