TPS3305-18D

Product Overview

Category

The TPS3305-18D 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 range: 1.8V
• Low quiescent current: 10µA (typical)
• Wide operating temperature range: -40°C to +125°C
• Adjustable reset threshold voltage
• Power-on reset delay time: 200ms (typical)

Package

The TPS3305-18D comes in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS3305-18D lies in its ability to provide reliable voltage monitoring and reset generation in various electronic systems.

Packaging/Quantity

This product is typically available in reels containing 3000 units per reel.

Specifications

• Supply voltage range: 1.6V to 6.5V
• Reset threshold voltage accuracy: ±2%
• Operating current: 10µA (typical)
• Power-on reset delay time accuracy: ±15%

Detailed Pin Configuration

The TPS3305-18D has three pins:

1. VDD: This pin is connected to the supply voltage.
2. GND: This pin is connected to the ground.
3. RESET: This pin outputs a reset signal when the monitored voltage falls below the threshold.

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the specified threshold.
• Provides a power-on reset delay to ensure stable operation during power-up.
• Offers an adjustable reset threshold voltage to suit different system requirements.
• Low quiescent current consumption ensures minimal power wastage.

Advantages and Disadvantages

Advantages

• Wide operating temperature range makes it suitable for various environments.
• Small package size enables usage in space-constrained applications.
• Adjustable reset threshold voltage enhances flexibility.
• Low quiescent current consumption helps conserve power.

Disadvantages

• Limited to a specific voltage supervision range (1.8V).
• Accuracy of reset threshold voltage and power-on reset delay time may have slight variations.

Working Principles

The TPS3305-18D operates by continuously monitoring the supply voltage. When the voltage falls below the specified threshold, the device generates a reset signal on the RESET pin. This signal can be used to initiate system resets or perform other necessary actions to ensure proper functioning of the electronic system.

Detailed Application Field Plans

The TPS3305-18D finds application in various fields, including but not limited to: - Battery-powered devices - Industrial control systems - Automotive electronics - Home automation systems - Medical equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TPS3305-18D include: - TPS3305-33D: Voltage supervisor with a 3.3V threshold - TPS3305-25D: Voltage supervisor with a 2.5V threshold - TPS3305-15D: Voltage supervisor with a 1.5V threshold

These alternative models provide options for different voltage thresholds, allowing users to select the most suitable one for their specific application requirements.

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