TL7702BIDR

The TL7702BIDR is a precision voltage reference and supervisor integrated circuit (IC) manufactured by Texas Instruments. It is designed for use in various applications requiring accurate voltage monitoring and regulation. Here’s a detailed description of its features and specifications:

General Overview:

• Type: Voltage Supervisor / Voltage Reference
• Manufacturer: Texas Instruments
• Package: Typically available in a 14-pin Dual In-Line Package (DIP) or a surface-mount package (SOIC).

Key Features:

1. Voltage Reference: The TL7702BIDR provides a stable reference voltage, typically around 2.5V, which is crucial for applications requiring precise voltage levels.
2. Voltage Monitoring: It includes a voltage supervisor function that monitors the supply voltage and can trigger a reset signal if the voltage falls below a predetermined threshold.
3. Reset Output: The IC features an active-low reset output that can be used to reset microcontrollers or other digital circuits when the supply voltage is outside the acceptable range.
4. Temperature Stability: The device is designed to maintain its reference voltage over a wide temperature range, ensuring reliable performance in varying environmental conditions.
5. Low Power Consumption: The TL7702BIDR operates with low quiescent current, making it suitable for battery-powered applications.
6. Fast Response Time: The reset output responds quickly to voltage changes, ensuring that connected devices are reset promptly when necessary.

Electrical Characteristics:

• Supply Voltage Range: Typically operates from 2.5V to 15V.
• Output Voltage Accuracy: The reference voltage accuracy is typically within ±2% at room temperature.
• Reset Threshold Voltage: The reset threshold is adjustable, allowing designers to set the specific voltage level at which the reset signal is triggered.
• Hysteresis: The device may include hysteresis to prevent false triggering of the reset output due to minor fluctuations in supply voltage.

Applications:

• Microcontroller Reset: Commonly used in microcontroller-based systems to ensure that the microcontroller starts in a known state.
• Power Supply Monitoring: Ideal for monitoring power supply levels in various electronic devices.
• Battery Management Systems: Utilized in battery-operated devices to monitor battery voltage and prevent under-voltage conditions.
• Consumer Electronics: Found in a wide range of consumer electronics where voltage regulation and monitoring are critical.

Conclusion:

The TL7702BIDR from Texas Instruments is a versatile and reliable voltage reference and supervisor IC that plays a crucial role in ensuring the stability and reliability of electronic circuits. Its combination of precision, low power consumption, and fast response time makes it an excellent choice for a variety of applications in modern electronic design.