TPS3305-33DRG4

Product Overview

Category

The TPS3305-33DRG4 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 TPS3305-33DRG4 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 operate reliably across a wide temperature range, making it suitable for various environments.

Package

The TPS3305-33DRG4 comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of the TPS3305-33DRG4 is to provide voltage supervision and reset generation functionality in electronic systems.

Packaging/Quantity

The TPS3305-33DRG4 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply voltage range: 2.5V to 10V
• Threshold voltage: 3.3V
• Operating temperature range: -40°C to +125°C
• Quiescent current: 20µA (typical)
• Power-on reset time: 200ms (typical)

Detailed Pin Configuration

The TPS3305-33DRG4 has the following pin configuration:

1. GND (Ground)
2. VDD (Supply voltage)
3. MR (Manual reset input)
4. RESET (Reset output)
5. VIT (Voltage input)

Functional Features

1. Voltage Monitoring: The TPS3305-33DRG4 continuously monitors the voltage input and compares it with the threshold voltage.
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 external intervention if required.

Advantages and Disadvantages

Advantages

• Reliable voltage supervision and reset generation.
• Low power consumption.
• Wide operating temperature range.
• Compact package size.

Disadvantages

• Limited threshold voltage options (fixed at 3.3V).
• Requires external components for complete functionality.

Working Principles

The TPS3305-33DRG4 operates by continuously monitoring the voltage input using an internal voltage comparator. When the voltage falls below or rises above the threshold voltage, the device triggers a reset signal. This signal can be used to reset microcontrollers, digital logic circuits, or other electronic systems.

Detailed Application Field Plans

The TPS3305-33DRG4 finds applications in various fields, including:

1. Automotive electronics: It ensures reliable voltage monitoring and reset generation in automotive control units.
2. Industrial automation: It provides voltage supervision in industrial control systems, preventing malfunctions due to voltage fluctuations.
3. Consumer electronics: The TPS3305-33DRG4 is used in devices like smart home systems, ensuring stable operation and protection against voltage anomalies.

Detailed and Complete Alternative Models

1. TPS3305-33DGNR: Similar to TPS3305-33DRG4 but comes in a different package (MSOP).
2. TPS3305-33DGNRG4: Similar to TPS3305-33DRG4 but offers additional features like adjustable threshold voltage.

These alternative models provide similar voltage supervision and reset generation capabilities, catering to different packaging preferences and specific requirements.

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