TPS3851G18EQDRBRQ1

The TPS3851G18EQDRBRQ1 is a voltage supervisor and reset IC manufactured by Texas Instruments, designed for use in automotive applications. This device is part of the TPS3851 family, which is known for its high performance and reliability in monitoring power supply voltages and ensuring proper system operation.

Key Features:

1. Voltage Monitoring: The TPS3851G18EQDRBRQ1 monitors a supply voltage and provides a reset signal when the voltage falls below a specified threshold. This is crucial for preventing system malfunctions due to under-voltage conditions.

2. Adjustable Reset Threshold: The device features an adjustable reset threshold, allowing designers to set the voltage level at which the reset signal is triggered. This flexibility is essential for accommodating various system requirements.

3. Wide Operating Voltage Range: The TPS3851 operates over a wide input voltage range, typically from 1.5V to 18V, making it suitable for a variety of automotive and industrial applications.

4. Low Quiescent Current: The IC is designed to consume minimal power in standby mode, which is particularly important in battery-powered applications to extend battery life.

5. Fast Reset Response Time: The TPS3851G18EQDRBRQ1 features a fast reset response time, ensuring that the system can quickly recover from power interruptions or fluctuations.

6. Active Low Reset Output: The reset output is active low, which means it goes low when a reset condition is detected. This output can be directly interfaced with microcontrollers and other digital logic devices.

7. Temperature Range: The device is qualified for automotive applications, which means it can operate reliably over a wide temperature range, typically from -40°C to +125°C.

8. Package Type: The TPS3851G18EQDRBRQ1 is available in a small, compact package (usually a VQFN or similar), which is advantageous for space-constrained designs.

9. Integrated Watchdog Timer: Some variants of the TPS3851 family may include an integrated watchdog timer, which helps ensure that the system remains operational by resetting the microcontroller if it becomes unresponsive.

Applications:

The TPS3851G18EQDRBRQ1 is ideal for a variety of automotive applications, including:

• Automotive control systems
• Power management systems
• Battery management systems
• Industrial automation
• Consumer electronics

Conclusion:

The TPS3851G18EQDRBRQ1 from Texas Instruments is a robust and versatile voltage supervisor and reset IC that provides essential monitoring and reset functionality for automotive and industrial applications. Its combination of adjustable thresholds, low power consumption, and wide operating range makes it a valuable component for ensuring system reliability and performance.