TPS3305-33DGNG4

Product Overview

Category

The TPS3305-33DGNG4 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 TPS3305-33DGNG4 ensures that the voltage remains within a specified range.
• Reset generation: It generates a reset signal when the voltage falls below or exceeds the set threshold.
• Low power consumption: The device operates with low power consumption, making it suitable for battery-powered applications.
• Wide operating temperature range: It can operate in a wide temperature range, making it suitable for various environments.

Package

The TPS3305-33DGNG4 comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of the TPS3305-33DGNG4 is to provide reliable voltage monitoring and reset generation in electronic systems.

Packaging/Quantity

The TPS3305-33DGNG4 is typically packaged in reels, with 2500 units per reel.

Specifications

• Supply voltage range: 2.5V to 6.5V
• Threshold voltage: 3.3V
• Quiescent current: 10µA (typical)
• Power-on reset delay time: 200ms (typical)
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

The TPS3305-33DGNG4 has the following pin configuration:

1. GND: Ground connection
2. VDD: Positive supply voltage input
3. MR: Manual reset input
4. RESET: Reset output
5. VIT: Voltage input terminal

Functional Features

1. Voltage Monitoring: The TPS3305-33DGNG4 continuously monitors the voltage level at the VIT pin.
2. Reset Generation: When the voltage falls below or exceeds the threshold, the device generates a reset signal on the RESET pin.
3. Manual Reset: The MR pin allows for manual reset control, overriding the automatic reset generation.
4. Power-On Reset Delay: The device provides a power-on reset delay to ensure stable operation during power-up.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring
• Low power consumption
• Wide operating temperature range
• Small package size

Disadvantages

• Limited threshold voltage options
• Lack of adjustable reset delay time

Working Principles

The TPS3305-33DGNG4 operates by comparing the voltage at the VIT pin with the preset threshold voltage. If the voltage falls below or exceeds the threshold, the device triggers a reset signal. This ensures that the system is properly reset in case of voltage fluctuations or power supply issues.

Detailed Application Field Plans

The TPS3305-33DGNG4 finds applications in various electronic systems where voltage monitoring and reset generation are critical. Some of the common application fields include:

1. Microcontrollers: Ensuring reliable operation and protection against voltage variations.
2. Industrial Control Systems: Monitoring and controlling voltage levels in industrial automation equipment.
3. Automotive Electronics: Providing voltage supervision and reset generation in automotive systems.
4. Power Supply Units: Protecting sensitive components from voltage fluctuations.

Detailed and Complete Alternative Models

1. TPS3305-33DGNR: Similar to TPS3305-33DGNG4 but comes in a different package (SOT-23).
2. TPS3305-33DR: Offers the same functionality but has a different pin configuration (SOIC-8 package).
3. TPS3305-33DRG4: Similar to TPS3305-33DGNG4 but has a different package (SOIC-8).

These alternative models provide similar voltage monitoring and reset generation capabilities, allowing users to choose the most suitable option for their specific requirements.

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