TPS3710DDCR

Product Overview

Category

The TPS3710DDCR belongs to the category of integrated circuits (ICs) and specifically falls under the family of voltage supervisors.

Use

The TPS3710DDCR is primarily used as a voltage supervisor in electronic systems. It ensures that the voltage levels remain within specified limits, providing protection against undervoltage and overvoltage conditions.

Characteristics

• Voltage Range: The TPS3710DDCR operates within a wide voltage range, typically from 1.8V to 18V.
• Low Power Consumption: This IC consumes minimal power during operation, making it suitable for battery-powered applications.
• Adjustable Thresholds: The voltage thresholds for undervoltage and overvoltage detection can be adjusted according to the specific requirements of the system.
• Reset Delay: The TPS3710DDCR includes an adjustable reset delay feature, allowing users to set the time delay before the system is reset after a voltage fault condition is detected.

Package

The TPS3710DDCR is available in a small SOT-23 package, which is a surface-mount package with three pins.

Packaging/Quantity

The TPS3710DDCR is typically sold in reels or tape and reel packaging. Each reel contains a specific quantity of ICs, usually around 3000 units.

Specifications

• Supply Voltage Range: 1.8V to 18V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)
• Reset Threshold Accuracy: ±2%
• Reset Delay Range: 1ms to 10s

Pin Configuration

The TPS3710DDCR has three pins arranged as follows:

```

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| | --| VDD | --| GND | --| RESET | |_______| ```

• VDD: Power supply pin
• GND: Ground pin
• RESET: Output pin for reset signal

Functional Features

1. Voltage Monitoring: The TPS3710DDCR continuously monitors the input voltage and compares it to the user-adjustable threshold levels.
2. Reset Signal Generation: When an undervoltage or overvoltage condition is detected, the TPS3710DDCR generates a reset signal to initiate system reset or shutdown.
3. Adjustable Thresholds: The voltage thresholds for undervoltage and overvoltage detection can be set using external resistors connected to the IC.
4. Reset Delay Control: The TPS3710DDCR allows users to adjust the delay time before generating the reset signal, providing flexibility in system response.

Advantages and Disadvantages

Advantages

• Wide operating voltage range enables compatibility with various electronic systems.
• Low power consumption makes it suitable for battery-powered applications.
• Adjustable thresholds and reset delay offer customization options.
• Small package size allows for space-efficient integration into electronic designs.

Disadvantages

• Limited number of pins may restrict the functionality in complex systems requiring additional features.
• Lack of built-in hysteresis may result in potential oscillations near the threshold voltage.

Working Principles

The TPS3710DDCR operates by comparing the input voltage with the user-defined threshold levels. If the voltage falls below the undervoltage threshold or exceeds the overvoltage threshold, the IC generates a reset signal. This signal can be used to trigger a system reset or initiate appropriate protective measures.

The adjustable reset delay feature allows users to control the time delay between detecting a voltage fault and generating the reset signal. This delay ensures that transient voltage fluctuations do not trigger unnecessary system resets.

Application Field Plans

The TPS3710DDCR finds applications in various electronic systems where voltage monitoring and protection are critical. Some potential application fields include:

1. Power Supply Units: The IC can be used to monitor the input voltage of power supply units, ensuring stable and safe operation.
2. Industrial Control Systems: Voltage supervision is essential in industrial control systems to prevent damage caused by voltage fluctuations.
3. Automotive Electronics: The TPS3710DDCR can be employed in automotive electronics to protect sensitive components from voltage variations.
4. Battery-Powered Devices: Portable devices powered by batteries can benefit from the undervoltage detection feature of the IC, preventing unexpected shutdowns.

Alternative Models

• TPS3700DDCR
• TPS3701DDCR
• TPS3702DDCR

These alternative models offer similar functionality to the TPS3710DDCR and can be considered as alternatives based on specific requirements.

In conclusion, the TPS3710DDCR is a voltage supervisor IC that provides reliable voltage monitoring and protection in various electronic systems. Its adjustable thresholds, reset delay, and low power consumption make it a versatile choice for applications requiring voltage supervision.

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