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33797

Features: •Four-Channel High-Side and Low-Side 2.0 A FET Switches•Externally Adjustable FET Current Limiting•Adjustable Current Limit Range: 0.8 A to 2.0 A•Individual Channel Current Limit Detection with Timing Duration Measurement, Communicated via SPI•8-Bit SPI for ...

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SeekIC No. : 004228527 Detail

33797: Features: •Four-Channel High-Side and Low-Side 2.0 A FET Switches•Externally Adjustable FET Current Limiting•Adjustable Current Limit Range: 0.8 A to 2.0 A•Individual Channel...

33797 Data Sheet

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Part Number:
33797
Supply Ability:
5000

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  • 1~5000
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  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/20

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Product Details

Description



Features:

•Four-Channel High-Side and Low-Side 2.0 A FET Switches
•Externally Adjustable FET Current Limiting
•Adjustable Current Limit Range: 0.8 A to 2.0 A
•Individual Channel Current Limit Detection with Timing Duration Measurement, Communicated via SPI
•8-Bit SPI for Diagnostics and FET Switch Activation
•Diagnostics for High-Side Safing Sensor Status
•Resistance and Voltage Diagnostics for Squibs
•Squib Driver IC Capability to Be Used for Cross-Coupled Driver Firing Application (Allows High- and Low-Side FET Switches to Be Located on Separate Squib Driver ICs)
•Pb-Free Packaging designated by Suffix Code EK


Pinout

Connection Diagram


Description

The Four Channel Squib Driver IC 33797 is a complete squib diagnostic and deployment interface for use in automotive air bag modules. Extensive diagnostics and system control features are incorporated to provide fail-safe operation. The device contains a serial peripheral interface (SPI) compatible 8-bit interface to allow microprocessor control.

The device has the capability to be used in a standard four-channel squib driver IC or in a cross-coupled state with the high- and low-side squib drivers located on separate squib driver ICs. Both the high- and low-side output drivers are protected against temporary shorts to battery or ground. The current limit threshold is set by an external resistor.




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