TPS3103E12DBVRG4

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low Power, Precision Monitoring, Programmable Delay
• Package: SOT-23-5
• Essence: Monitors and supervises voltage levels in electronic 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, 3.23V, 3.38V, 3.63V, 4.00V, 4.38V, 4.63V
• Adjustable Reset Time Delay: 1ms to 10s
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.5µA (typical)

Detailed Pin Configuration

The TPS3103E12DBVRG4 has a total of 5 pins:

1. GND: Ground connection.
2. VDD: Positive supply voltage input.
3. MR: Manual reset input. Active low.
4. RESET: Output signal indicating the monitored voltage is below the threshold.
5. DELAY: Programmable delay pin for adjusting the reset time delay.

Functional Features

• Precision monitoring of supply voltage levels.
• Programmable reset time delay for system stabilization.
• Manual reset option for immediate system restart.
• Open-drain RESET output for easy integration with other components.
• Low quiescent current for power efficiency.

Advantages and Disadvantages

Advantages: - High precision voltage monitoring ensures reliable system operation. - Programmable reset time delay allows customization for specific applications. - Low power consumption minimizes energy usage. - Small package size enables space-saving designs.

Disadvantages: - Limited threshold voltage options may not cover all voltage requirements. - Manual reset input may require additional circuitry for proper functionality.

Working Principles

The TPS3103E12DBVRG4 is a voltage supervisor IC that continuously monitors the supply voltage of an electronic system. It compares the monitored voltage with a programmable threshold voltage and generates a RESET signal when the voltage falls below the set threshold. The RESET output is an open-drain configuration, allowing easy integration with other components.

The IC also features a programmable delay pin (DELAY) that allows users to adjust the time delay between the monitored voltage falling below the threshold and the generation of the RESET signal. This delay ensures system stability during power-up or voltage fluctuations.

Additionally, the TPS3103E12DBVRG4 includes a manual reset input (MR) which, when pulled low, forces an immediate system restart regardless of the monitored voltage level.

Detailed Application Field Plans

The TPS3103E12DBVRG4 is commonly used in various applications where precise voltage monitoring and system supervision are critical. Some potential application fields include:

1. Battery-Powered Devices: Ensuring safe operation by monitoring battery voltage levels and triggering appropriate actions when the voltage drops below a certain threshold.
2. Industrial Control Systems: Monitoring power supply voltages in control systems to prevent malfunctions and ensure reliable operation.
3. Automotive Electronics: Supervising voltage levels in automotive systems to protect sensitive components from damage caused by voltage fluctuations or drops.
4. Home Automation: Monitoring power supply voltages in smart home devices to maintain stable operation and prevent data loss or system failures.

Detailed and Complete Alternative Models

1. TPS3103E15DBVRG4: Similar to TPS3103E12DBVRG4 but with different threshold voltage options.
2. TPS3103E18DBVRG4: Similar to TPS3103E12DBVRG4 but with different threshold voltage options and higher supply voltage range.
3. TPS3103E25DBVRG4: Similar to TPS3103E12DBVRG4 but with different threshold voltage options and wider operating temperature range.

These alternative models offer similar functionality and features, allowing users to choose the most suitable option based on their specific requirements.

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