TL7702BCDG4

The TL7702BCDG4 is a precision voltage reference and supervisor integrated circuit (IC) manufactured by Texas Instruments. It is designed to provide a stable reference voltage and monitor power supply levels in various electronic applications. Here’s a detailed description of its features and specifications:

Key Features:

1. Voltage Reference: The TL7702BCDG4 provides a precise output voltage of 2.5V, which is stable over temperature and time, making it suitable for applications requiring accurate voltage references.

2. Power Supply Monitoring: This IC includes a power supply supervisor function that monitors the voltage levels of the power supply. It can detect under-voltage conditions and provide a reset signal to microcontrollers or other digital circuits.

3. Reset Output: The device features an active-low reset output that is triggered when the supply voltage falls below a certain threshold. This ensures that the connected digital circuits are reset properly during power-up or power-down conditions.

4. Temperature Range: The TL7702BCDG4 operates over an extended temperature range, typically from -40°C to +125°C, making it suitable for automotive and industrial applications.

5. Low Quiescent Current: The IC is designed to consume minimal power, which is essential for battery-operated devices and energy-efficient applications.

6. Compact Package: The TL7702BCDG4 is available in a small, surface-mount package (SOT-23), which is ideal for space-constrained designs.

7. High Accuracy: The voltage reference has a low temperature coefficient, ensuring that the output voltage remains stable across varying temperatures, which is critical for precision applications.

8. Applications: Common applications include microcontroller reset circuits, battery management systems, power supply monitoring, and any system requiring a stable reference voltage.

Electrical Characteristics:

• Output Voltage: 2.5V nominal
• Supply Voltage Range: Typically from 2.5V to 15V
• Reset Threshold Voltage: Configurable, with a typical threshold around 4.65V
• Reset Timeout: The reset signal remains active for a specified duration after the supply voltage returns to normal levels.

Conclusion:

The TL7702BCDG4 from Texas Instruments is a versatile and reliable component for designers looking to implement voltage reference and power supply supervision in their electronic systems. Its combination of precision, low power consumption, and robust performance makes it an excellent choice for a wide range of applications.