TPS3125L30DBVTG4

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low Power, Precision Monitoring, Adjustable Thresholds
• Package: SOT-23 (Small Outline Transistor)
• Essence: Monitors and controls the voltage level in electronic systems to ensure proper operation and prevent damage.
• 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: 10µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-Low Push-Pull
• Reset Time Delay: 200ms (typical)

Detailed Pin Configuration

The TPS3125L30DBVTG4 IC has the following pin configuration:

1. GND: Ground connection
2. MR: Manual Reset input for immediate system reset
3. VDD: Positive supply voltage input
4. RESET: Active-Low Reset output signal

Functional Features

• Precision Monitoring: The TPS3125L30DBVTG4 provides accurate monitoring of the supply voltage, ensuring that it remains within the desired range.
• Adjustable Thresholds: The IC allows users to select from a range of threshold voltage options to suit their specific application requirements.
• Low Power Consumption: With a quiescent current of only 10µA, the TPS3125L30DBVTG4 minimizes power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures system stability and reliability. - Adjustable threshold voltage options provide flexibility for different applications. - Low power consumption extends battery life in portable devices.

Disadvantages: - Limited to a specific package type (SOT-23). - May require additional external components for certain applications.

Working Principles

The TPS3125L30DBVTG4 operates by continuously monitoring the supply voltage. If the voltage falls below the programmed threshold, the IC asserts an active-low reset signal, indicating a fault condition. Once the voltage rises above the threshold, the reset signal is deasserted, allowing normal operation to resume.

Detailed Application Field Plans

The TPS3125L30DBVTG4 is commonly used in various electronic systems where voltage supervision is critical. Some application fields include:

1. Power Management: Ensuring stable voltage levels in power supplies, battery chargers, and DC-DC converters.
2. Microcontrollers and Processors: Preventing data corruption and system crashes caused by voltage fluctuations.
3. Industrial Control Systems: Monitoring voltage levels in control panels, motor drives, and PLCs to prevent equipment damage.
4. Automotive Electronics: Protecting sensitive electronic components from voltage variations in automotive systems.

Detailed and Complete Alternative Models

1. TPS3125L30DBVRG4: Similar to TPS3125L30DBVTG4 but available in a smaller SOT-23 package.
2. TPS3125L30DBVR: Same functionality as TPS3125L30DBVTG4 but without the tape and reel packaging option.
3. TPS3125L30DBV: Non-tape and reel version with a wider operating temperature range (-40°C to +125°C).

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