- Block diagram
- Design considerations
- Product listing
- Support
Block diagram
Transient Voltage Suppressors (TVS)
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Reverse battery protection
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DC-DC freewheeling
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DC-DC boost low side switch
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Safing MOSFET
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Select a component
To view more information about the Nexperia components used in this application, please select a component above or click on a component (highlighted in blue) in the block diagram.
Design considerations
- Traditional solutions to Airbag applications are being withdrawn from the market due to unsustainability
- Enhanced SOA technology provides similar linear mode performance in a sustainable silicon technology
- For pulsed linear mode applications, such as the Safing MOSFET in airbags, Nexperia’s ASFETs provide the required robustness while delivering significant board space savings (up to 84% with an LFPAK33 device) compared to traditional DPAK solutions
- Airbag firing circuits need a stable voltage of 15 to 20 V, requiring a boost converter to step up the standard 12 V battery voltage to 25–35 V