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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
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