TPS3808G18DBVRG4

Overview

Category: Integrated Circuits (ICs)

Use: Voltage Supervisors

Characteristics: - Low Power Consumption - Wide Operating Voltage Range - Adjustable Threshold Voltage - Precision Monitoring - Small Package Size

Package: SOT-23-5

Essence: The TPS3808G18DBVRG4 is a voltage supervisor IC that monitors the power supply voltage of a system and provides a reset signal to the microcontroller or other digital devices when the voltage falls below a certain threshold.

Packaging/Quantity: The TPS3808G18DBVRG4 is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 6.5V
• Threshold Voltage Options: 1.8V, 2.5V, 3.0V, 3.3V, 5.0V
• Quiescent Current: 1.5µA (typical)
• Reset Timeout Period: 200ms (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TPS3808G18DBVRG4 has a SOT-23-5 package with the following pin configuration:

____ VDD| |GND RST| |N/C GND| |MR N/C| |VDD |____|

Functional Features

• Precision monitoring of power supply voltage
• Adjustable threshold voltage for flexibility
• Low quiescent current for power efficiency
• Reset signal generation upon voltage drop
• Short reset timeout period for quick response

Advantages

• Wide operating voltage range allows for versatile applications
• Small package size saves board space
• Adjustable threshold voltage accommodates different system requirements
• Low power consumption prolongs battery life
• Precision monitoring ensures reliable operation

Disadvantages

• Limited number of threshold voltage options
• Lack of advanced features compared to more specialized voltage supervisors

Working Principles

The TPS3808G18DBVRG4 operates by continuously monitoring the supply voltage. When the voltage falls below the set threshold, the reset output is activated, signaling a power failure to the connected microcontroller or digital device. The reset signal remains active until the voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The TPS3808G18DBVRG4 is commonly used in various electronic systems where reliable power supply monitoring is crucial. Some application fields include:

1. Battery-Powered Devices: Portable electronics, IoT devices, wearables.
2. Industrial Control Systems: PLCs, motor control, robotics.
3. Automotive Electronics: Engine control units, infotainment systems, safety modules.
4. Communication Equipment: Routers, switches, base stations.
5. Medical Devices: Patient monitors, diagnostic equipment, infusion pumps.

Detailed and Complete Alternative Models

1. TPS3808G01DBVR - Fixed 2.93V Threshold Voltage, SOT-23-5 Package.
2. TPS3808G33DBVR - Fixed 3.08V Threshold Voltage, SOT-23-5 Package.
3. TPS3808G50DBVR - Fixed 4.63V Threshold Voltage, SOT-23-5 Package.
4. TPS3808G33DBVT - Fixed 3.08V Threshold Voltage, SOT-23-6 Package.
5. TPS3808G50DBVT - Fixed 4.63V Threshold Voltage, SOT-23-6 Package.

These alternative models offer different fixed threshold voltage options and package variations to suit specific application requirements.

(Note: The above information provides a concise overview of the TPS3808G18DBVRG4. For more detailed specifications, please refer to the datasheet provided by the manufacturer.)