TPS3123J12DBVR

Product Overview

Category

The TPS3123J12DBVR belongs to the category of voltage supervisors.

Use

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

Characteristics

• Voltage supervisors ensure stable power supply by monitoring voltage levels.
• The TPS3123J12DBVR provides accurate voltage monitoring with low power consumption.
• It offers a wide operating voltage range and high accuracy.
• This device is designed to be compact and suitable for space-constrained applications.

Package

The TPS3123J12DBVR comes in a small SOT-23 package, which is commonly used for surface-mount devices.

Essence

The essence of the TPS3123J12DBVR lies in its ability to monitor and supervise voltage levels, ensuring reliable operation of electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tape and reel packaging. The quantity per reel varies depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 0.4V to 6.5V
• Threshold Voltage Accuracy: ±1%
• Quiescent Current: 2µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active Low/Open Drain

Detailed Pin Configuration

The TPS3123J12DBVR has three pins:

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

Functional Features

• Accurate voltage monitoring: The TPS3123J12DBVR ensures precise monitoring of voltage levels, preventing system malfunctions due to voltage fluctuations.
• Low power consumption: With a quiescent current of only 2µA, this device minimizes power consumption and extends battery life in portable applications.
• Wide operating voltage range: The TPS3123J12DBVR can operate within a wide voltage range, making it suitable for various electronic systems.
• Compact size: The small SOT-23 package allows for easy integration into space-constrained designs.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures system stability.
• Low power consumption prolongs battery life.
• Wide operating voltage range provides versatility.
• Compact size enables easy integration.

Disadvantages

• Limited pin configuration options.
• May require additional components for specific applications.

Working Principles

The TPS3123J12DBVR works by comparing the input voltage with a preset threshold. When the voltage falls below the threshold, the RESET pin outputs a low signal, indicating a voltage fault. This signal can be used to trigger appropriate actions, such as system shutdown or fault notification.

Detailed Application Field Plans

The TPS3123J12DBVR finds applications in various fields, including:

1. Power management systems: It ensures stable power supply in devices like smartphones, tablets, and laptops.
2. Industrial automation: It monitors voltage levels in control systems, preventing damage due to voltage fluctuations.
3. Automotive electronics: It safeguards critical components from voltage variations, enhancing reliability in vehicles.
4. IoT devices: It provides voltage supervision in smart home devices, wearables, and other connected devices.

Detailed and Complete Alternative Models

1. TPS3125J18DBVR: Similar to TPS3123J12DBVR but with a higher threshold voltage.
2. TPS3128J30DBVR: Similar to TPS3123J12DBVR but with a lower threshold voltage.
3. TPS3129J15DBVR: Similar to TPS3123J12DBVR but with a different package (SOT-563).

These alternative models offer similar functionality and can be considered as substitutes for the TPS3123J12DBVR based on specific application requirements.

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