TPS3809L30QDBVRQ1

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low Power, Precision Monitoring, Reset Output
• Package: SOT-23 (Small Outline Transistor)
• Essence: Monitors 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: 1.6V to 6.5V
• Threshold Voltage Options: 2.93V
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 3µA (typical)
• Reset Timeout Period: 200ms (typical)

Detailed Pin Configuration

The TPS3809L30QDBVRQ1 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: The TPS3809L30QDBVRQ1 accurately monitors the supply voltage and triggers a reset signal when it falls below the threshold voltage.
• Low Power Consumption: With a quiescent current of only 3µA, this IC minimizes power consumption in battery-powered applications.
• Reset Output: The device provides an active-low reset signal to ensure proper system initialization after a power-on or brownout event.

Advantages and Disadvantages

Advantages: - High accuracy in monitoring voltage levels - Low power consumption extends battery life - Small package size allows for space-saving designs - Reset output ensures reliable system operation

Disadvantages: - Limited threshold voltage options may not suit all applications - Requires an external pull-up resistor for the RESET pin

Working Principles

The TPS3809L30QDBVRQ1 operates by comparing the supply voltage with a fixed threshold voltage. When the supply voltage drops below the threshold, the reset output is activated, signaling a system reset. The device continuously monitors the voltage level and keeps the reset output active until the supply voltage rises above the threshold.

Detailed Application Field Plans

The TPS3809L30QDBVRQ1 is commonly used in various applications where reliable voltage monitoring and system reset functionality are required. Some typical application fields include: - Automotive electronics - Industrial control systems - Power management units - Battery-powered devices - Embedded systems

Detailed and Complete Alternative Models

• TPS3808G01DBVR: Similar voltage supervisor IC with a different threshold voltage option (2.93V)
• TPS3808G33DBVR: Voltage supervisor IC with a higher threshold voltage option (3.08V)
• TPS3808G50DBVR: Voltage supervisor IC with a higher threshold voltage option (3.08V)

These alternative models offer different threshold voltage options to accommodate various voltage monitoring requirements.

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