Texas-instruments TPS40051 User Manual

User’s Guide1TPS40051-Based Design Converts12-V Bus to 1.8 V at 15 A (SLUP195)User’s Guide

SLUU161 – April, 200310TPS40051-Based Design Converts 12-V Bus to 1.8 V at 15 A (SLUP195)5 Test SetupFigure 2 illustrates the basic test setup needed

SLUU161 – April, 200311 TPS40051-Based Design Converts 12-V Bus to 1.8 V at 15 A (SLUP195)6 Test Results / Performance Data6.1 Efficiency and Power Lo

SLUU161 – April, 200312TPS40051-Based Design Converts 12-V Bus to 1.8 V at 15 A (SLUP195)6.3 Output Ripple and Transient ResponseFigure 6 shows the ty

SLUU161 – April, 200313 TPS40051-Based Design Converts 12-V Bus to 1.8 V at 15 A (SLUP195)Figure 9. Top Side CopperFigure 10. Internal Layer 1 Coppe

SLUU161 – April, 200314TPS40051-Based Design Converts 12-V Bus to 1.8 V at 15 A (SLUP195)Figure 11. Internal Layer 2 CopperFigure 12. Bottom Layer C

SLUU161 – April, 200315 TPS40051-Based Design Converts 12-V Bus to 1.8 V at 15 A (SLUP195)8 List of MaterialsTable 1 lists the parts values of the eva

SLUU161 – April, 200316TPS40051-Based Design Converts 12-V Bus to 1.8 V at 15 A (SLUP195)9 References1. Data Sheet, TPS40051 Wide-Input Synchronous Bu

IMPORTANT NOTICETexas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications,enhancements, improvemen

2EVM IMPORTANT NOTICETexas Instruments (TI) provides the enclosed product(s) under the following conditions:This evaluation kit being sold by TI is in

3 DYNAMIC WARNINGS AND RESTRICTIONSIt is important to operate this EVM within the input voltage range of 0 VDC to 14 VDC.Exceeding the specified input

SLUU161 – April, 20034TPS40051-Based Design Converts 12-V Bus to 1.8 V at 15 A (SLUP195)TPS40051-Based Design Converts 12-V Bus to1.8 V at 15 A (SLUP1

SLUU161 – April, 20035 TPS40051-Based Design Converts 12-V Bus to 1.8 V at 15 A (SLUP195)3 Schematic++Figure 1. TPS40051EVM–001 (SLUP195) Schematic

SLUU161 – April, 20036TPS40051-Based Design Converts 12-V Bus to 1.8 V at 15 A (SLUP195)4 Component Selection4.1 TPS40051 Device SelectionThe TPS4005x

SLUU161 – April, 20037 TPS40051-Based Design Converts 12-V Bus to 1.8 V at 15 A (SLUP195)4.3 UVLO CircuitryThe user programmable UVLO built into the T

SLUU161 – April, 20038TPS40051-Based Design Converts 12-V Bus to 1.8 V at 15 A (SLUP195)4.6 Output Capacitor SelectionSelection of the output capacito

SLUU161 – April, 20039 TPS40051-Based Design Converts 12-V Bus to 1.8 V at 15 A (SLUP195)4.8 Short Circuit ProtectionThe TPS40051 implements short cir