The TPS3820-33QPDBVRQ1 is a high-quality, low-power supervisory circuit designed and manufactured by Texas Instruments, a leader in the semiconductor industry. This device is specifically engineered to provide circuit initialization and timing supervision, primarily for DSPs and processor-based systems.

Key Features

• Voltage Monitoring: This supervisory circuit monitors a 3.3V supply voltage, ensuring that the system operates within the acceptable voltage range, thus safeguarding the system from power-related issues.
• Power-On Reset Generator: The device includes an automatic power-on reset generator that initializes the processor's reset line after power-up, ensuring a clean start for the system.
• Manual Reset Input: A manual reset input allows for an external trigger to reset the system, providing additional control to the user for system maintenance and troubleshooting.
• Watchdog Timer: An integrated watchdog timer improves system reliability by resetting the processor if the software fails to operate as expected.
• Temperature Range: The TPS3820-33QPDBVRQ1 is designed to operate over an extended temperature range, making it suitable for automotive applications and harsh environments.
• Small Form Factor: The device comes in a small 5-pin SOT-23 package, which is ideal for space-constrained applications.

Applications

The TPS3820-33QPDBVRQ1 is widely used in various applications where reliable voltage supervision is critical. These include:

• Automotive systems
• Embedded systems
• Microcontroller systems
• Industrial controls
• Portable/Battery-powered equipment

Quality and Reliability

Texas Instruments is known for its commitment to quality and reliability. The TPS3820-33QPDBVRQ1 is no exception and is designed to meet the stringent requirements of the automotive industry, including stress tests for durability and performance under extreme conditions. With Texas Instruments' proven track record, this supervisory circuit is an excellent choice for systems that cannot afford to compromise on power management and system integrity.