Transen | Texas Instruments TPS40090EVM-002 instruction

SLUU195 − June 2004

TRANS_EN

Figure 2. TPS40090EVM−002 Schematic Part 2 − Driver Circuit and Load Transient Generator

6TPS40090 Multi-Phase Buck Converter and TPS2834 Drivers Steps-Down from 12-V to 1.5-V at 100 A

Image 6

Texas Instruments TPS40090EVM-002 manual Transen

Contents

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