TPS3103E12DBVTG4

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low Power, Precision Monitoring, Programmable Delay
• Package: SOT-23 (DBV)
• Essence: Supervises voltage levels and provides reset signals to microcontrollers or other digital systems.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.8V to 6.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.63V, 4.38V, 4.63V, 4.88V
• Adjustable Reset Time Delay: 1ms to 10s
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.5µA (typical)

Detailed Pin Configuration

The TPS3103E12DBVTG4 IC has the following pin configuration:

1. GND: Ground connection
2. MR: Manual Reset input
3. VDD: Positive supply voltage
4. RESET: Active-low reset output

Functional Features

• Precision monitoring of supply voltage levels
• Programmable delay for reset signal generation
• Manual reset input for immediate system reset
• Low power consumption for energy-efficient applications
• Small package size for space-constrained designs

Advantages and Disadvantages

Advantages: - High precision voltage monitoring ensures reliable system operation - Programmable delay allows flexibility in timing the reset signal - Low quiescent current minimizes power consumption - Small package size enables compact circuit designs

Disadvantages: - Limited threshold voltage options may not suit all applications - Lack of additional features such as adjustable hysteresis

Working Principles

The TPS3103E12DBVTG4 is a voltage supervisor IC that monitors the supply voltage of a system. It compares the input voltage with a programmable threshold and generates a reset signal when the voltage falls below the set threshold. The reset signal remains active until the voltage rises above the threshold or a manual reset input is triggered.

The IC operates with low power consumption, making it suitable for battery-powered devices. It also offers a programmable delay feature, allowing designers to adjust the time between the voltage dropping below the threshold and the generation of the reset signal.

Detailed Application Field Plans

The TPS3103E12DBVTG4 is commonly used in various applications where reliable voltage monitoring and system reset functionality are required. Some potential application fields include:

1. Microcontroller Systems: Ensures proper operation by monitoring the supply voltage and generating a reset signal if necessary.
2. Industrial Control Systems: Provides voltage supervision and reset capabilities for critical control systems, preventing malfunctions due to voltage fluctuations.
3. Battery-Powered Devices: Optimizes power usage by monitoring the battery voltage and initiating a reset or power-saving mode when the voltage drops below a certain level.
4. Automotive Electronics: Protects sensitive electronic components from voltage variations, ensuring stable operation in automotive applications.

Detailed and Complete Alternative Models

• TPS3103E12DBVRG4: Similar to TPS3103E12DBVTG4 but available in a smaller SOT-23 package.
• TPS3103E12DBVR: Same features as TPS3103E12DBVTG4 but without the tape and reel packaging option.
• TPS3103E12DBV: Non-programmable version with fixed threshold voltage and reset delay.

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