Automotive smart high side switch BSP452 test-bench: reverse battery protection

Open online SPICE simulator circuit link: atv_bp_protection_12V_BSP452_reverse_bat.tsc


Smart High-Side Power Switch BSP452
Protection Feature: Reverse battery protection

{1. click here to set circuit parameters}
{2. click on "Run" to calculate components}
{3. click on "OK" and Simulate Transient }

{Thermal model number: }
THERMALMODEL:= 4 { use 1....4 }

{Thermal model description: }
{Thermal Model = 1: 1S0P PCB 600mm2 }
{Thermal Model = 2: 2S2P no vias }
{Thermal Model = 3: 2S2P vias }
{Thermal Model = 4: 1S0P footprint }

The BSP452 is high side power switch with integrated vertical power FET,
providing embedded protection and diagnostic functions.

This circuit demonstrates the reverse battery protection features of the
BSP452. Many other devices provide similar protection features.

Technical Assistance
Other circuits
PROFET™: What the designer should know
Smart Switch Finder
Product info: BSP452