TPS3897ADRYT

Product Overview

Category

The TPS3897ADRYT belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and supervising the voltage levels in electronic systems.

Characteristics

• The TPS3897ADRYT is a low-power, precision voltage supervisor.
• It operates over a wide input voltage range.
• It provides accurate monitoring and detection of undervoltage and overvoltage conditions.
• The device offers adjustable threshold voltages for flexible system design.
• It has a small package size, making it suitable for space-constrained applications.

Package

The TPS3897ADRYT is available in a small 6-pin WSON package.

Essence

The essence of the TPS3897ADRYT is its ability to ensure stable and reliable operation of electronic systems by monitoring voltage levels and triggering appropriate actions in case of abnormal conditions.

Packaging/Quantity

The TPS3897ADRYT is typically packaged in reels, with 2500 units per reel.

Specifications

• Input Voltage Range: 1.5V to 6.5V
• Adjustable Threshold Voltage Range: 0.4V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 2µA (typical)
• Power-On Reset Delay Time: 20ms (typical)

Detailed Pin Configuration

The TPS3897ADRYT has the following pin configuration:

1. GND (Ground)
2. VDD (Supply Voltage)
3. MR (Manual Reset)
4. RESET (Reset Output)
5. TH (Threshold Voltage)
6. NC (No Connection)

Functional Features

• Undervoltage Detection: The TPS3897ADRYT monitors the input voltage and asserts the reset output when it falls below the programmed threshold voltage.
• Overvoltage Detection: It also detects overvoltage conditions and asserts the reset output accordingly.
• Manual Reset: The MR pin allows for manual resetting of the device, overriding the automatic reset function.
• Adjustable Threshold Voltage: The TH pin enables the user to set the desired threshold voltage within the specified range.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for compatibility with various systems.
• Accurate monitoring ensures reliable operation of electronic devices.
• Adjustable threshold voltage provides flexibility in system design.
• Small package size is suitable for space-constrained applications.

Disadvantages

• Limited number of pins may restrict additional functionalities.
• Not suitable for applications requiring high current handling capabilities.

Working Principles

The TPS3897ADRYT operates by continuously monitoring the input voltage. When the voltage falls below or exceeds the programmed threshold voltage, the device asserts the reset output. This signal can be used to trigger appropriate actions, such as resetting the system or initiating a shutdown sequence.

Detailed Application Field Plans

The TPS3897ADRYT finds application in various fields, including:

1. Power Management Systems: It ensures stable power supply by monitoring voltage levels and triggering corrective actions.
2. Battery-Powered Devices: The device helps prevent damage to batteries by detecting undervoltage conditions and initiating shutdown procedures.
3. Industrial Control Systems: It provides reliable supervision of voltage levels in industrial control systems, ensuring uninterrupted operation.
4. Automotive Electronics: The TPS3897ADRYT contributes to the safe and reliable functioning of automotive electronics by monitoring voltage levels and triggering appropriate actions.

Detailed and Complete Alternative Models

Some alternative models to the TPS3897ADRYT include:

1. TPS3808G01DBVR: A similar voltage supervisor with adjustable threshold voltage and a different package.
2. MAX809SEUR-T: Another voltage supervisor with adjustable threshold voltage and a different pin configuration.
3. ADM6315-26D2ARTZR7: A precision voltage monitor with adjustable threshold voltage and a small package size.

These alternative models offer similar functionality and can be considered as substitutes for the TPS3897ADRYT in various applications.

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