STMicroelectronics Evaluation Board Half-Bridge Driver for Door Zone Applications EVAL-L99DZ100G

STMicroelectronics EVAL-L99DZ100G Evaluation Board is a specialized half-bridge driver designed for Door Zone Applications, particularly front door configurations. It integrates the L99DZ100G device on its daughter board and provides a complete development environment for power management and motor control.

The board includes an internal 10-bit PWM timer for precise control of each high-side driver, ensuring smooth operation and programmable soft-start functions to manage high inrush currents safely with thermal cut-off features. It also features buffered supplies for voltage regulators and two high-side P-channel drivers to support external contact power supply needs.

A dedicated control block for electro-chromic elements is included, which is critical for advanced door zone applications, alongside dual 5 V voltage regulators that supply the microcontroller and related peripherals, ensuring stable operations.

This kit provides a configurable window watchdog to protect the microcontroller against faults. It features LIN 2.2a compliant transceiver compatible with SAEJ2602 and an advanced high-speed CAN transceiver offering local failure detection, bus failure diagnosis, and selective wake-up functionality. These communications play a pivotal role in automotive and industrial environments where reliable signaling is vital.

The evaluation board incorporates a separated fail-safe block with 2 low-side transistors with extremely low resistance (1 mΩ) that pull down the gates of external high-side MOSFETs to ensure safe shutdown. Thermal clusters and built-in A/D conversion not only monitor supply voltages but also internal temperature sensors to safeguard components effectively.

The board includes an internal 10-bit PWM timer for high-side driver control. Buffered supply supports voltage regulators and high-side P-channel drivers for external contacts. Programmable soft-start function with thermal expiration protects against inrush currents.

Control block for electro-chromic elements for door zone applications. Two 5 V voltage regulators for microcontroller and peripheral supply. Configurable window watchdog increases system safety. Compliant with LIN 2.2a and SAEJ2602 communication standards.

Advanced CAN transceiver for failure diagnosis and selective wake-up. Fail-safe block with low-resistance transistors ensuring safe MOSFET gate control. Embedded thermal clusters and ADC for supply voltage and temperature monitoring.

This Evaluation Board is essential for designing and testing door zone controllers in automotive and industrial environments. Suitable for power and motor control prototyping, it supports development and rapid iteration.

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