Top Side Copper | Texas Instruments TPS40090EVM-002 instruction

SLUU195 − June 2004

Figure 17. Top Side Copper

Figure 18. Internal 1 (Ground Plane)

TPS40090 Multi-Phase Buck Converter and TPS2834 Drivers Steps-Down from 12-V to 1.5-V at 100 A

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Image 21

Texas Instruments TPS40090EVM-002 manual Top Side Copper

Contents

User’s Guide EVM Important Notice Dynamic Warnings and Restrictions Introduction Schematic Features Transen Frequency of Operation Component Selection Input Capacitor Selection Inductance Value PH, D + if N PH v 1, DI OUTD, DI OUT N PH, D Output Ripple Cancellation and Capacitor Selection Iripple + L Vout Current Sensing Mosfet Selection OUT Overcurrent Limit Protection R11 Compensation Components Connections for the Test Test Setup Total Power Loss Output Current Efficiency and Power LossTest Results and Performance Data Overall Efficiency Output Current Gain and Phase Oscillator Frequency Closed-Loop PerformanceOutput Ripple and Noise Transient Response Transient Response J11 Short Circuit Start up with Pre-Biased Output Layout Considerations Top Side Component Assembly EVM Assembly Drawing and PCB Layout Top Side Copper Internal 2 Power Plane Bottom Layer Copper QTY List of Materials Load Transient Circuit Products Applications Important Notice