TPS3702CX33DDCR

Product Overview

Category

The TPS3702CX33DDCR 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 electronic systems. It ensures that the voltage remains within a specified range, triggering appropriate actions when it goes beyond the set limits.

Characteristics

• Voltage supervision: The TPS3702CX33DDCR provides accurate monitoring of voltage levels.
• Adjustable threshold: The device allows users to set the desired voltage threshold for supervision.
• Low power consumption: It operates with low power requirements, making it suitable for battery-powered applications.
• Wide operating voltage range: The TPS3702CX33DDCR can handle a wide range of input voltages.
• Reset output: It provides a reset signal when the monitored voltage crosses the threshold.

Package and Quantity

The TPS3702CX33DDCR is available in a small surface-mount package known as SOT-23-5. It is supplied in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Supply voltage range: 1.8V to 6.5V
• Threshold voltage options: 3.3V
• Operating temperature range: -40°C to +125°C
• Quiescent current: 4µA (typical)
• Reset timeout delay: 200ms (typical)

Pin Configuration

The TPS3702CX33DDCR has a total of five pins arranged as follows:

_______ RESET | | GND | | VIN | | | | VOUT |_______|

Pin Description: - RESET: Output pin for the reset signal. - GND: Ground reference. - VIN: Input voltage pin. - VOUT: Output voltage pin.

Functional Features

1. Voltage Monitoring: The TPS3702CX33DDCR continuously monitors the input voltage and compares it to the set threshold.
2. Threshold Adjustment: Users can adjust the voltage threshold using external resistors.
3. Reset Signal: When the monitored voltage falls below the threshold, the device generates a reset signal on the RESET pin.
4. Power-On Reset: The TPS3702CX33DDCR provides a power-on reset function, ensuring proper initialization of the system during power-up.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures system stability.
• Adjustable threshold allows customization for different applications.
• Low power consumption extends battery life in portable devices.
• Wide operating voltage range enhances compatibility with various systems.

Disadvantages

• Limited number of threshold voltage options.
• SOT-23-5 package may require additional space compared to smaller packages.

Working Principles

The TPS3702CX33DDCR operates by comparing the input voltage (VIN) with the set threshold voltage. If the input voltage drops below the threshold, the device triggers a reset signal on the RESET pin. This signal can be used to initiate system shutdown or recovery procedures.

The threshold voltage can be adjusted by connecting external resistors to the appropriate pins. This flexibility allows users to tailor the voltage supervision to their specific requirements.

Application Field Plans

The TPS3702CX33DDCR finds application in various fields where voltage monitoring is critical. Some potential areas of use include:

1. Power Supply Units: Ensuring stable voltage levels in power supply units to prevent damage to connected devices.
2. Battery-Powered Systems: Monitoring battery voltage to prevent over-discharge and extend battery life.
3. Industrial Control Systems: Supervising voltage levels in control systems to maintain reliable operation.
4. Automotive Electronics: Monitoring voltage in automotive systems to prevent malfunctions and ensure safety.

Alternative Models

For users seeking alternative options, the following models provide similar functionality:

1. TPS3702CX33DDCRG4
2. TPS3702CX33DDCRG4Q1
3. TPS3702CX33DDCRG4-EP

These models offer comparable features and specifications, providing flexibility in choosing the most suitable option for specific applications.

In conclusion, the TPS3702CX33DDCR is a voltage supervisor IC that offers accurate monitoring, adjustable thresholds, and low power consumption. Its wide operating voltage range and reset output make it suitable for various applications. However, it has limited threshold voltage options and comes in a slightly larger package. Overall, this device plays a crucial role in maintaining stable voltage levels in electronic systems.