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Table 4-2. Application Use Case Settings
Device
BUCK Rail
Default Application Use Case
Recommended Inductor Value
TPS6593-Q1
BUCK1
2.2 MHz Single Phase with Full Range VIN
470 nH
BUCK2
2.2 MHz Single Phase with Full Range VIN
470 nH
BUCK3
2.2 MHz Single Phase with Full Range VIN
470 nH
BUCK4
2.2 MHz Single Phase with Full Range VIN
470 nH
BUCK5
2.2 MHz Single Phase with Full Range VIN
470 nH
4.2 Device Identification Settings
These settings are used to distinguish which device is detected in a system. These settings cannot be changed
after device startup. Only the phase configuration and CUSTOMER_NVM_ID can be reprogrammed.
Table 4-3. Device Identification NVM Settings
Register Name
Field Name
TPS6593-Q1
Value
Description
DEV_REV
TI_DEVICE_ID
0x2
0x2
NVM_CODE_1
TI_NVM_ID
0x0
0x0
NVM_CODE_2
TI_NVM_REV
0x4
0x4
CUSTOMER_NVM_ID_REG
CUSTOMER_NVM_ID
0x0
0x0
PHASE_CONFIG
MP_CONFIG
0x1
1+1+1+1+1
4.3 BUCK Settings
These settings detail the default voltages, configurations, and monitoring of the BUCK rails. All these settings,
except switching frequency, can be changed though I
2
C after startup.
Table 4-4. BUCK NVM Settings
Register Name
Field Name
TPS6593-Q1
Value
Description
BUCK1_CTRL
0x0
Disabled; BUCK1 regulator
BUCK1_FPWM
0x1
PWM operation only.
BUCK1_FPWM_MP
0x0
Automatic phase adding and shedding.
BUCK1_VMON_EN
0x0
Disabled; OV, UV, SC, and ILIM comparators.
BUCK1_VSEL
0x0
BUCK1_VOUT_1
BUCK1_PLDN
0x1
Enabled; Pull-down resistor
BUCK1_RV_SEL
0x0
Disabled
BUCK1_CONF
BUCK1_SLEW_RATE
0x3
5.0 mV/μs
BUCK1_ILIM
0x4
4.5 A
BUCK2_CTRL
0x0
Disabled; BUCK2 regulator
BUCK2_FPWM
0x1
PWM operation only.
BUCK2_VMON_EN
0x0
Disabled; OV, UV, SC, and ILIM comparators.
BUCK2_VSEL
0x0
BUCK2_VOUT_1
BUCK2_PLDN
0x1
Enabled; Pull-down resistor
BUCK2_RV_SEL
0x0
Disabled
BUCK2_CONF
BUCK2_SLEW_RATE
0x3
5.0 mV/μs
BUCK2_ILIM
0x4
4.5 A
Static NVM Settings
SLVUC24 – MAY 2021
Programmable PMICs: TPS6593-Q1 Default Configuration for TPS6593EVM
5
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