7
Current Bidirectional TwoͲQuadrant MOSFET Body Diode
Current Bidirectional Two Quadrant
MOSFET Body Diode
Voltage bidirectional Two Quadrant
Four Quadrant Switches
Synchronous Rectifiers
48V VEHICLE ELECTRICAL SYSTEMExample Application
Automobile 12V Power
48V Electrical System
NXP Semi, “Semiconductors – enablers of future mobility concepts”, 2011Audi, “Electric biturbo and hybridization”, 2014AVL, “48V Mild Hybrid Systems”
Example 12/48 V Vehicle
12 VoltGenerator
12 VoltWiring
12 Volt Battery
48 Volt Battery
DC DC Converter48 VoltWiring
ElectricCompressor
System to Design
Param Value
Vg 12 V
Vout 48 V
Rout 48
Vout 0.1 V
Baseline Design
• Use TI WebBench (webench.ti.com) to get a baseline design
Device ParametersDiode MOSFET Inductor
Expected Behavior
