Product Overview: TPS3823-30QDBVRQ1 from Texas Instruments

The TPS3823-30QDBVRQ1 is a highly reliable, automotive-grade supervisory circuit designed and manufactured by Texas Instruments. This component is specifically engineered to monitor the system voltage in microprocessor (μP), microcontroller (MCU), and digital signal processor (DSP) based systems, ensuring that the proper operation of the system is maintained under various conditions.

Key Features

• Voltage Monitoring: This device has a preset threshold voltage of 3.0V, offering precision supervision suitable for 3.3V systems.
• Reset Time Delay: It includes a built-in delay feature, providing a reset signal for a specified minimum duration (typically 200 ms) upon detection of an out-of-tolerance power supply condition.
• Supply Voltage Range: The TPS3823-30QDBVRQ1 operates over a wide supply voltage range, accommodating systems that require flexibility in their power supply design.
• Low Power Consumption: With its low quiescent current, this supervisory circuit helps in reducing the overall power consumption of the system, making it suitable for power-sensitive applications.
• Watchdog Timer: The integrated watchdog timer enhances system reliability by monitoring the system operation and initiating a system reset if the software strays from its intended operation.
• Temperature Range: It is designed to operate over the automotive temperature range, ensuring reliable performance under extreme temperature conditions.
• Package: The device is offered in a small, 6-pin SOT-23 package, making it ideal for space-constrained applications.

Applications

The TPS3823-30QDBVRQ1 is ideally suited for automotive and industrial applications where system reliability is paramount. It can be used in:

• Engine control units (ECUs)
• Body control modules (BCMs)
• Infotainment systems
• Telematics and advanced driver-assistance systems (ADAS)
• Power supply systems

With its robust feature set and adherence to stringent automotive quality standards, the TPS3823-30QDBVRQ1 supervisory circuit from Texas Instruments is an excellent choice for designers looking to enhance the reliability and performance of their automotive and industrial systems.