TPS3125L30DBVRG4

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low Power, Precision Monitoring, Adjustable Threshold
• Package: SOT-23 (Small Outline Transistor)
• Essence: Monitors and controls the voltage level in electronic systems
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.2V to 6V
• Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 3.3V, 3.63V, 4.38V, 4.63V, 4.75V
• Quiescent Current: 1.8µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-Low, Open Drain
• Accuracy: ±1.5% (typical)

Detailed Pin Configuration

The TPS3125L30DBVRG4 IC has the following pin configuration:

1. GND (Ground): Connected to the ground reference of the system.
2. VDD (Supply Voltage): Connected to the positive supply voltage of the system.
3. RESET (Reset Output): Active-low open-drain output that indicates a reset condition.

Functional Features

• Precision Monitoring: The TPS3125L30DBVRG4 provides accurate monitoring of the supply voltage, ensuring reliable operation of the system.
• Adjustable Threshold: The IC offers multiple threshold voltage options, allowing flexibility in setting the desired voltage level for triggering a reset.
• Low Power Consumption: With a quiescent current of only 1.8µA, the TPS3125L30DBVRG4 minimizes power consumption, making it suitable for battery-powered applications.
• Reset Delay: The IC incorporates a built-in delay circuit to prevent false resets during power-up or voltage transients.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures system stability. - Adjustable threshold voltage provides flexibility. - Low power consumption extends battery life. - Small package size allows for space-saving designs.

Disadvantages: - Limited number of threshold voltage options. - Open-drain output requires an external pull-up resistor.

Working Principles

The TPS3125L30DBVRG4 operates by comparing the supply voltage with the set threshold voltage. When the supply voltage falls below the threshold, the reset output is activated, indicating a reset condition. The reset remains active until the supply voltage rises above the threshold voltage.

Detailed Application Field Plans

The TPS3125L30DBVRG4 is commonly used in various electronic systems that require reliable voltage monitoring and reset functionality. Some application fields include:

1. Microcontrollers: Ensures proper operation by monitoring the supply voltage and initiating a reset if necessary.
2. Embedded Systems: Provides voltage supervision to prevent erratic behavior or data corruption.
3. Power Management: Protects sensitive components from undervoltage conditions and enables safe shutdown procedures.
4. Industrial Control Systems: Monitors critical voltages to maintain system integrity and prevent damage.

Detailed and Complete Alternative Models

1. TPS3125L33DBVRG4: Similar to TPS3125L30DBVRG4 but with a threshold voltage of 3.3V.
2. TPS3125L50DBVRG4: Similar to TPS3125L30DBVRG4 but with a threshold voltage of 5.0V.
3. TPS3125L63DBVRG4: Similar to TPS3125L30DBVRG4 but with a threshold voltage of 6.3V.

These alternative models offer different threshold voltage options to suit specific system requirements.

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