STMicroelectronics Product L9935 Overview

The L9935 from STMicroelectronics is a sophisticated octal low-side driver designed to cater to the automotive industry's demand for high-reliability and performance in controlling various loads. This integrated circuit is part of STMicroelectronics' extensive portfolio of automotive-grade products, engineered to operate under the rigorous conditions typical of automotive applications.

Key Features

• Voltage Range: The L9935 operates over a broad voltage range, making it highly adaptable to different automotive voltage requirements.
• Output Current: Each of the eight low-side drivers is capable of delivering substantial output current, which is essential for driving a wide array of actuators and other loads.
• Diagnostic Functions: The device includes advanced diagnostic features that enable the detection of open-load, overtemperature, and overload conditions, ensuring high levels of operational safety and reliability.
• Protection Features: Built-in protection mechanisms such as overcurrent limitation and thermal shutdown protect the device and the loads it controls from potential damage due to abnormal operating conditions.
• Serial Interface: A serial peripheral interface (SPI) allows for digital communication with a microcontroller, facilitating control and diagnostics data exchange.

Applications

The L9935 is particularly suitable for automotive environments where multiple low-side driving capabilities are required. It is ideal for controlling a variety of automotive loads, including:

• Non-inductive loads such as LEDs and bulbs
• Resistive loads like heaters
• Capacitive loads

Quality and Reliability

As with all STMicroelectronics products, the L9935 is manufactured to meet the high standards of quality and reliability that the automotive industry demands. It is designed to withstand the harsh environmental conditions of automotive applications, ensuring long-term performance and dependability.

For detailed specifications, application notes, and additional resources, interested parties are encouraged to visit the official STMicroelectronics website or contact their local sales office for further assistance.