TPS3305-25DR

Product Overview

Category

The TPS3305-25DR belongs to the category of voltage supervisors.

Use

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

Characteristics

• Voltage supervision: The TPS3305-25DR ensures that the voltage levels remain within specified limits.
• Reset generation: It generates a reset signal when the voltage falls below or rises above the desired threshold.
• Low power consumption: The device operates with low power consumption, making it suitable for battery-powered applications.
• Wide operating temperature range: It can function reliably across a wide temperature range, making it suitable for various environments.

Package

The TPS3305-25DR comes in a small outline package (SOIC) form factor.

Essence

The essence of the TPS3305-25DR lies in its ability to monitor and control voltage levels, ensuring the stability and reliability of electronic systems.

Packaging/Quantity

The TPS3305-25DR is typically packaged in reels, with each reel containing a specific quantity of devices. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply voltage range: 2.5V to 10V
• Threshold voltage accuracy: ±1%
• Operating temperature range: -40°C to +125°C
• Quiescent current: 15µA (typical)
• Power-on reset time: 20ms (typical)

Pin Configuration

The TPS3305-25DR has the following pin configuration:

```

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| | --| VDD GND |-- Power supply pins --| MR RST |-- Reset output and manual reset input --| VIT VOT |-- Voltage input and output pins |___________| ```

Functional Features

1. Voltage Monitoring: The TPS3305-25DR continuously monitors the input voltage and compares it to the desired threshold.
2. Reset Generation: When the voltage falls below or rises above the threshold, the device generates a reset signal to initiate system recovery.
3. Manual Reset Input: The MR pin allows for manual reset control, enabling system restart when required.
4. Power-On Reset: The TPS3305-25DR provides a power-on reset signal to ensure proper initialization during system startup.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset generation.
• Low power consumption.
• Wide operating temperature range.
• Compact form factor.

Disadvantages

• Limited voltage range (2.5V to 10V).
• Threshold voltage accuracy may vary slightly.

Working Principles

The TPS3305-25DR operates by comparing the input voltage with a reference threshold. If the voltage falls below or rises above this threshold, the device triggers a reset signal. This signal can be used to reset the microcontroller or other components in the system, ensuring proper functioning.

Detailed Application Field Plans

The TPS3305-25DR finds applications in various fields, including:

1. Automotive Electronics: It ensures stable voltage levels in automotive systems, preventing malfunctions and protecting sensitive components.
2. Industrial Control Systems: The device helps maintain reliable voltage levels in industrial control systems, enhancing overall system performance.
3. Consumer Electronics: It is used in consumer electronic devices to monitor and control voltage, ensuring smooth operation and protection against voltage fluctuations.
4. Medical Devices: The TPS3305-25DR plays a crucial role in medical devices, where precise voltage control is essential for patient safety.

Detailed and Complete Alternative Models

1. TPS3305-33DR: Similar to TPS3305-25DR but with a different threshold voltage (3.3V).
2. TPS3305-18DR: Similar to TPS3305-25DR but with a different threshold voltage (1.8V).
3. TPS3305-12DR: Similar to TPS3305-25DR but with a different threshold voltage (1.2V).

These alternative models provide options for different voltage requirements in various applications.

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