Overview
The L99DZ100GTR, produced by STMicroelectronics, is a highly integrated door zone system IC designed for automotive applications. This device provides electronic control modules with enhanced power management and power supply functionality. It includes various standby modes and supports both LIN (Local Interconnect Network) and HS-CAN (High-Speed Controller Area Network) physical communication layers. The device is AEC Q100 compliant, ensuring it meets stringent automotive quality and reliability standards.
Key Specifications
| Parameter | Specification |
|---|---|
| Package | LQFP 64 10x10x1.4 |
| Grade | Automotive |
| RoHS Compliance Grade | Ecopack2 |
| Operating Temperature (°C) | -40 to 150 |
| Voltage Regulators | Two 5 V voltage regulators for microcontroller and peripheral supply |
| High-Side Drivers | 8 high-side drivers for LEDs, 2 high-side drivers for bulbs |
| DC Motor Drivers | Up to 5 DC motors and 4 external MOS transistors in H-bridge configuration |
| Communication | LIN 2.2a compliant (SAEJ2602 compatible) transceiver, HS-CAN support |
Key Features
- AEC Q100 compliant qualified
- 1 half bridge for 7.5 A load (RON = 100 mΩ) and 1 half bridge for 7.5 A load (RON = 150 mΩ)
- 2 half bridges for 0.5 A load (RON = 2000 mΩ) and 2 half bridges for 3 A load (RON = 300 mΩ)
- Configurable high-side drivers for various load currents
- Internal 10-bit PWM timer for each stand-alone high-side driver
- Programmable soft-start function with thermal expiration feature
- Protection and supervision features: current monitor, open-load, overcurrent, thermal warning, and thermal shutdown
- Control block for electro-chromic element
- Programmable reset generator for power-on and undervoltage
- Configurable window watchdog
Applications
The L99DZ100GTR is designed for automotive door zone systems, providing comprehensive control and power management for various door-related functions. It is suitable for applications such as door lock and unlock mechanisms, window lift control, mirror adjustment, and other peripheral loads like sensors and LEDs. The device's integration with LIN and HS-CAN communication protocols makes it ideal for modern automotive systems that require robust and reliable communication.
Q & A
- What is the primary function of the L99DZ100GTR?
The L99DZ100GTR is a door zone system IC that provides electronic control modules with enhanced power management and power supply functionality for automotive applications. - What communication protocols does the L99DZ100GTR support?
The device supports LIN 2.2a and HS-CAN communication protocols. - How many high-side drivers does the L99DZ100GTR have?
The device includes 8 high-side drivers for LEDs and 2 high-side drivers for bulbs. - Can the L99DZ100GTR drive DC motors?
Yes, it can drive up to 5 DC motors and 4 external MOS transistors in H-bridge configuration. - What is the operating temperature range of the L99DZ100GTR?
The operating temperature range is -40 to 150°C. - Is the L99DZ100GTR AEC Q100 compliant?
Yes, the device is AEC Q100 compliant qualified. - What protection features does the L99DZ100GTR have?
The device includes protection features such as current monitor, open-load, overcurrent, thermal warning, and thermal shutdown. - Can the L99DZ100GTR control electro-chromic mirrors?
Yes, it has a control block for electro-chromic elements. - Does the L99DZ100GTR have programmable reset and watchdog features?
Yes, it includes a programmable reset generator for power-on and undervoltage, as well as a configurable window watchdog. - What is the package type of the L99DZ100GTR?
The device is packaged in an LQFP 64 10x10x1.4 package.
