TPS3305-33DG4

Product Overview

Category

The TPS3305-33DG4 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 TPS3305-33DG4 ensures that the voltage remains within specified limits.
• Reset generation: It generates a reset signal when the voltage falls below a predetermined 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 TPS3305-33DG4 comes in a small outline package (SOP) with eight pins.

Essence

The essence of the TPS3305-33DG4 lies in its ability to monitor and control voltage levels, ensuring the stability and reliability of electronic systems.

Packaging/Quantity

The TPS3305-33DG4 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply voltage range: 2.5V to 6.5V
• Threshold voltage: 3.3V
• Operating temperature range: -40°C to +125°C
• Quiescent current: 10µA (typical)
• Power-on reset time: 20ms (typical)

Pin Configuration

The TPS3305-33DG4 has the following pin configuration:

1. GND (Ground)
2. VDD (Supply voltage)
3. MR (Manual reset input)
4. RESET (Reset output)
5. TH (Threshold voltage input)
6. NC (No connection)
7. NC (No connection)
8. NC (No connection)

Functional Features

• Voltage monitoring: The TPS3305-33DG4 continuously monitors the input voltage.
• Reset generation: When the voltage falls below the threshold, it generates a reset signal to initiate system recovery.
• Manual reset: The MR pin allows for manual reset control.
• Hysteresis: The device incorporates hysteresis to prevent false triggering due to voltage fluctuations.

Advantages and Disadvantages

Advantages

• Reliable voltage supervision ensures system stability.
• Low power consumption extends battery life in portable applications.
• Wide operating temperature range enables usage in various environments.
• Small package size facilitates integration into space-constrained designs.

Disadvantages

• Limited threshold voltage options may not suit all applications.
• Lack of adjustable parameters restricts customization for specific requirements.

Working Principles

The TPS3305-33DG4 operates by comparing the input voltage with the threshold voltage. If the input voltage drops below the threshold, the device triggers a reset signal. This reset signal can be used to restart or reconfigure the system, ensuring proper functioning even in the presence of voltage fluctuations or power supply disturbances.

Detailed Application Field Plans

The TPS3305-33DG4 finds application in various fields, including but not limited to: 1. Automotive electronics: Ensuring stable voltage levels in automotive systems. 2. Industrial automation: Monitoring voltage in control systems. 3. Consumer electronics: Protecting sensitive components from voltage variations. 4. Medical devices: Maintaining reliable voltage levels for critical equipment. 5. Telecommunications: Safeguarding communication systems against voltage disruptions.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TPS3305-33DG4 include: - TPS3305-33DGNR - TPS3305-33DR - TPS3305-33DRG4 - TPS3305-33DRG4Q1

These models provide comparable voltage supervision and reset generation features, with slight variations in package type or additional functionalities.

In conclusion, the TPS3305-33DG4 is a voltage supervisor that ensures stable voltage levels in electronic systems. With its low power consumption, wide operating temperature range, and small package size, it finds applications in various fields. While it has limitations in terms of threshold voltage options and adjustability, alternative models offer similar functionality to suit specific requirements.