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L9678 The STMicroelectronics L9678 is a specialized interface IC designed for automotive applications. It operates with a minimum voltage of 6V and comes in a 64-LQFP package.
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L9678

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L9678 is a specialized interface IC designed for automotive applications. It operates with a minimum voltage of 6V and comes in a 64-LQFP package.
✓ Total Stock: 3,235 pcs

L9678 Available from 1 distributor

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3,235 pcs
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L9678 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Interface
Lead Spacing
Mounting Type
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Operating Voltage
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L9678 Description

Short technical summary and product information.

The STMicroelectronics L9678 is a user-configurable airbag IC, designed for automotive applications. This specialized interface IC features a high-frequency boost regulator operating at 1.882 MHz and offers user-selectable output voltages of 23V or 33V. It also includes configurable linear power supplies with 5.0V and 7.2V outputs, and a fully integrated 3.3V linear regulator.

 

The device incorporates a battery voltage monitor with wake-up control and system voltage diagnostics with an integrated ADC. For squib deployment, it provides 4-channel HSD/LSD drivers with a maximum deployment voltage of 25V and specific current profiles. The L9678 supports user-customizable safing logic and includes an ISO9141 transceiver.

 

It is packaged in a 64-pin LQFP with dimensions of 10x10x1.4mm and is designed for surface mounting. The operating temperature range is -40°C to 95°C, with a minimum operating voltage of 6V. This IC is suitable for demanding automotive environments requiring robust interface and control capabilities.

L9678 Quick Information

Product Type: Specialized Interface IC
Canonical Name: L9678 User Configurable Airbag IC
Subcategory: Specialized

L9678 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

L9678 Features

  • User configurable airbag IC.
  • 1.882 MHz high frequency boost regulator.
  • Multiple user selectable output voltages.
  • 4 channel squib deployment drivers.
  • 64-LQFP surface mount package.

L9678 Applications

  • Suitable for automotive airbag systems.
  • Used in high-voltage squib deployment circuits.
  • Ideal for system voltage diagnostics and monitoring.
  • Applicable in sensor interface and transceiver applications.
  • Designed for high-temperature industrial environments.

L9678 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the minimum operating voltage for the L9678?

The minimum operating voltage for the L9678 is 6 V.

What is the operating temperature range of the L9678?

The L9678 operates within a temperature range of -40 °C to 95 °C.

What package type is the L9678 available in?

The L9678 is available in a 64-LQFP package.

What is the boost regulator frequency for the L9678?

The L9678 features a high frequency boost regulator at 1.882 MHz.

What are the output voltages for the linear power supplies?

The L9678 offers user configurable linear power supplies with 5.0 V and 7.2 V output voltages.

What is the maximum squib deployment voltage?

The maximum squib deployment voltage for the L9678 is 25 V.

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