Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

The L9679ETR is a high-performance automotive airbag system expansion chip manufactured by STMicroelectronics. It is specifically designed for automotive airbag systems and offers features such as high-side/low-side drivers, remote sensor interfaces, configurable deployment profiles, current monitoring, and temperature sensors.

Product Features — L9679ETR

High-side/low-side drivers: 8-channel high-side/low-side drivers for deploying ignition tubes or explosive fuses.  

Remote sensor interface: 4-channel remote sensor interface supporting the PSI-5 protocol.  

Configurable deployment profiles: Configurable via the SPI interface, allowing deployment profiles to be set according to user specifications.  

Current monitoring and temperature sensors: Built-in current monitoring functionality and temperature sensors ensure safe system operation.

High reliability: Compliant with AEC-Q100 standards, suitable for automotive applications.  

Low-power design: Suitable for battery-powered automotive systems, extending system standby time.

Technical specifications — L9679ETR  

Input voltage range: 4.5V to 40V  

Output voltage range: 2.8V to 40V (adjustable)  

Maximum output current: Up to 1A per channel

Operating frequency: 500kHz  

Package type: TQFP-48 (7x7x1.0mm)  

Operating temperature range: -40°C to 125°C  

Quiescent current: Low quiescent current design helps extend system standby time  

Application areas — L9679ETR  

Automotive airbag systems: Used for deployment control and sensor interfacing in automotive airbag systems.

Automotive electronics: Suitable for automotive interior LED lighting, instrument panel backlighting, ambient lighting, etc.  

Industrial control: Suitable for industrial applications requiring high reliability and precise control.  

Medical devices: Suitable for medical devices requiring high-precision power management.

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.