TPS3809L30DBVTG4

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low Power, Precision Monitoring, Programmable Delay Time
• Package: SOT-23 (DBV)
• Essence: Monitors the voltage level of a system and provides a reset signal when the voltage falls below a specified threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 6.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.30V, 3.63V, 4.38V, 4.63V, 4.88V, 5.00V
• Reset Timeout Period: 200ms, 400ms, 600ms, 1200ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPS3809L30DBVTG4 IC has the following pin configuration:

| Pin Name | Description | |----------|-------------| | GND | Ground | | VDD | Supply Voltage Input | | MR | Manual Reset Input | | RESET | Reset Output |

Functional Features

• Precision monitoring of supply voltage
• Programmable delay time for reset signal
• Manual reset input for immediate system reset
• Low power consumption
• Wide operating temperature range

Advantages

• Provides reliable voltage monitoring for system stability
• Programmable delay time allows flexibility in system response
• Manual reset input enables manual control over system reset
• Low power consumption helps conserve energy
• Wide operating temperature range ensures functionality in various environments

Disadvantages

• Limited threshold voltage options may not suit all applications
• Lack of additional features such as hysteresis adjustment

Working Principles

The TPS3809L30DBVTG4 operates by continuously monitoring the supply voltage. When the voltage falls below the specified threshold, the reset output is activated, signaling a system reset. The delay time for the reset signal can be programmed to allow for proper system response. Additionally, the manual reset input provides an immediate reset option.

Detailed Application Field Plans

The TPS3809L30DBVTG4 is commonly used in various applications where voltage supervision is critical. Some potential application fields include: 1. Power Management Systems: Ensuring stable power supply and preventing damage due to voltage fluctuations. 2. Industrial Control Systems: Monitoring voltage levels in control panels and providing reliable reset signals. 3. Automotive Electronics: Protecting sensitive electronic components from voltage drops and ensuring proper system operation. 4. Medical Devices: Safeguarding critical medical equipment by monitoring voltage levels and initiating resets if necessary. 5. Consumer Electronics: Enhancing the reliability of devices such as smartphones, tablets, and gaming consoles by monitoring voltage stability.

Detailed and Complete Alternative Models

• TPS3808G01DBVR
• TPS3808G33DBVR
• TPS3808G50DBVR
• TPS3808I33DBVR
• TPS3808I50DBVR

These alternative models offer similar functionality and characteristics to the TPS3809L30DBVTG4, providing options for different voltage thresholds and reset timeout periods.

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