ST’s actuator drivers are designed for state-of-the-art automotive door-module applications. Our devices employ a scalable actuator-driving concept, which includes package and software compatibility with the wide variety of door electronics used by the industry.

The actuator drivers support all regular door-module loads such as window lifting, lock motors, mirror leveling, mirror retraction, defrosters, and several lighting functions from incandescent bulbs to LEDs. For high-end cars, a new electrochromic mirror glass control IP is available.

Key features include:

  • Scalable solutions that address door electronics schemas across the industry
  • Power-management functionality (with Partial Networking IP on selected products
  • Integrated CAN or LIN transceiver
  • Control and diagnostics via SPI bus
  • Small power packages with superior thermal performances

New family of automotive door-zone controllers

The new L99DZ1xx door-zone controllers integrate power-management and failsafe circuitry previously implemented using external devices.

The family includes the L99DZ100G/GP actuator driver for front-door applications and L99DZ120 actuator driver for rear-door controls. This complete solution enables designers to save space as well as boost reliability and energy efficiency. With the added advantage of software compatibility between the previous generation devices, they also help simplify development and accelerate time to market.

These door-zone system ICs also offer an advanced High-Speed CAN (HS-CAN) interface supporting selective wake-up (ISO 11898-6), LIN 2.2a (SAE J 2602) interface and control blocks as well as protection and supervision features.

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