• 2.2MHz Single-Phase Configuration for DDR Termination
• 4.4MHz Single-Phase Configuration Low Output Voltage
• 4.4MHz Single-Phase Configuration High Output Voltage
• 2.2MHz Single-Phase Configuration with 5.0V VIN
• 2.2MHz Single-Phase and Multi-Phase Configuration
• 2.2MHz Single-Phase Generic Configuration
The seven configurations also have optimal output inductance values that optimize the performance of each
buck under these various conditions. Table 5-1 shows the default configurations for the BUCKs. The loop
parameters associated with the use cases cannot be changed after device startup.
Table 5-1. Application Use Case Settings
Device BUCK Rail Default Application Use Case Recommended Inductor Value
TPS65941120-Q1
BUCK1 2.2 MHz VOUT Less than 1.9 V Multiphase or Single Phase 470 nH
BUCK2 2.2 MHz VOUT Less than 1.9 V Multiphase or Single Phase 470 nH
BUCK3 2.2 MHz VOUT Less than 1.9 V Multiphase or Single Phase 470 nH
BUCK4 2.2 MHz VOUT Less than 1.9 V Multiphase or Single Phase 470 nH
BUCK5 2.2 MHz VOUT Less than 1.9 V Multiphase or Single Phase 470 nH
TPS65941421-Q1
BUCK1 2.2 MHz VOUT Less than 1.9 V Multiphase or Single Phase 470 nH
BUCK2 2.2 MHz VOUT Less than 1.9 V Multiphase or Single Phase 470 nH
BUCK3 2.2 MHz VOUT Less than 1.9 V Multiphase or Single Phase 470 nH
BUCK4 2.2 MHz VOUT Less than 1.9 V Multiphase or Single Phase 470 nH
BUCK5 2.2 MHz VOUT Less than 1.9 V Multiphase or Single Phase 470 nH
LP876411B5-Q1 BUCK1 2.2MHz Single-Phase and Multi-Phase Configuration 470 nH
BUCK2 2.2MHz Single-Phase and Multi-Phase Configuration 470 nH
BUCK3 2.2MHz Single-Phase and Multi-Phase Configuration 470 nH
BUCK4 2.2MHz Single-Phase and Multi-Phase Configuration 470 nH
www.ti.com Static NVM Settings
SLVUCJ9 – FEBRUARY 2023
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TPS65941120-Q1, TPS65941421-Q1 and LP876411B5-Q1 PMIC User Guide
for J721S2, PDN-0A
15
Copyright © 2023 Texas Instruments Incorporated
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