TPS3710QDSERQ1 - English Editing Encyclopedia Entry

Product Overview

Category

The TPS3710QDSERQ1 belongs to the category of integrated circuits (ICs) and specifically falls under the family of voltage supervisors.

Use

This product is primarily used for monitoring and supervising voltage levels in various electronic systems. It ensures that the voltage remains within a specified range, providing protection against overvoltage or undervoltage conditions.

Characteristics

• Voltage Range: The TPS3710QDSERQ1 operates within a wide voltage range, typically between 1.8V and 18V.
• Low Power Consumption: This IC consumes minimal power during operation, making it suitable for battery-powered applications.
• Adjustable Thresholds: The device allows users to set precise voltage thresholds for triggering alerts or actions.
• Reset Output: It provides a reset signal when the monitored voltage crosses the threshold, enabling system recovery or shutdown.

Package and Quantity

The TPS3710QDSERQ1 is available in a small outline package (SOIC) with eight pins. It is commonly sold in reels containing a quantity of 250 units per reel.

Specifications

• Supply Voltage Range: 1.8V to 18V
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 10µA (typical)
• Reset Timeout Period: 200ms (typical)
• Accuracy: ±1.5% (typical)

Pin Configuration

The TPS3710QDSERQ1 features the following pin configuration:

```

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| | --| VDD GND |-- Pin 1: Ground (GND) --| RESET OUT |-- Pin 2: Reset Output --| THRESHOLD |-- Pin 3: Threshold Input --| VDD SENSE |-- Pin 4: Supply Voltage Sense --| | --| | --| | --| | --|___________| ```

Functional Features

1. Voltage Monitoring: The TPS3710QDSERQ1 continuously monitors the supply voltage and compares it to the user-defined threshold.
2. Reset Output: When the monitored voltage falls below or exceeds the threshold, the IC generates a reset signal to initiate system recovery or shutdown.
3. Adjustable Threshold: Users can set the desired voltage threshold using an external resistor connected to the THRESHOLD pin.
4. Hysteresis: The device incorporates hysteresis to prevent oscillations near the threshold, ensuring stable operation.
5. Low Power Consumption: With its low quiescent current, the TPS3710QDSERQ1 minimizes power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various systems.
• Adjustable threshold enables customization for different voltage requirements.
• Reset output facilitates system recovery or shutdown in case of voltage anomalies.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited to voltage monitoring and supervision; does not provide additional features like overcurrent protection or temperature sensing.
• Requires an external resistor for setting the threshold, adding complexity to the design.

Working Principles

The TPS3710QDSERQ1 operates based on a voltage comparator principle. It continuously compares the supply voltage (VDD) with the user-defined threshold voltage (set via the THRESHOLD pin). If the voltage crosses this threshold, the IC generates a reset signal on the RESET OUT pin. This signal can be used to trigger actions such as system recovery or shutdown.

Application Field Plans

The TPS3710QDSERQ1 finds applications in various electronic systems where voltage monitoring and supervision are critical. Some potential application fields include:

1. Power Supply Units: The IC can be used to monitor the input and output voltages of power supply units, ensuring stable operation and protecting downstream components.
2. Battery-Powered Devices: Portable devices such as smartphones, tablets, and wearables can benefit from the TPS3710QDSERQ1's low power consumption and voltage monitoring capabilities.
3. Automotive Electronics: In automotive systems, this IC can be employed to monitor battery voltage, protecting against undervoltage conditions that may affect vehicle performance.
4. Industrial Control Systems: The TPS3710QDSERQ1 can be integrated into industrial control systems to monitor voltage levels in critical equipment, preventing damage due to overvoltage or undervoltage.

Alternative Models

1. TPS3700: This voltage supervisor IC offers similar functionality but operates at a lower voltage range (1.6V to 6V).
2. TL7705: A voltage supervisor with adjustable threshold and reset timeout period, suitable