TPS3808G30DBVTG4

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low Power, Precision Monitoring, Programmable Delay
• Package: SOT-23-6
• 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, 3.08V, 3.63V, 4.38V
• Reset Timeout Period: Adjustable from 1.25ms to 10s
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.5µA (typical)

Detailed Pin Configuration

The TPS3808G30DBVTG4 has a total of six pins:

1. GND: Ground connection
2. VDD: Positive supply voltage input
3. MR#: Manual reset input (active low)
4. RESET#: Reset output (active low)
5. VIT: Voltage input for monitoring
6. VOS: Voltage output for monitoring

Functional Features

• Precision Monitoring: The TPS3808G30DBVTG4 accurately monitors the voltage level and provides a reliable reset signal when the voltage falls below the specified threshold.
• Programmable Delay: The reset timeout period can be adjusted according to the application requirements, allowing flexibility in system design.
• Low Power Consumption: With a quiescent current of only 1.5µA, the TPS3808G30DBVTG4 minimizes power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - High precision voltage monitoring - Programmable reset timeout period - Low power consumption - Small package size

Disadvantages: - Limited threshold voltage options

Working Principles

The TPS3808G30DBVTG4 operates by comparing the monitored voltage (VIT) with the programmable threshold voltage. When VIT falls below the threshold, the reset output (RESET#) is asserted low, indicating a system reset condition. The reset signal remains active until the voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The TPS3808G30DBVTG4 finds applications in various fields, including:

1. Microcontroller Systems: Provides reliable reset signals to microcontrollers during power-up or voltage drop events, ensuring proper initialization.
2. Industrial Control Systems: Monitors critical voltage levels in industrial control systems, triggering resets when necessary to maintain system integrity.
3. Automotive Electronics: Ensures stable operation of automotive electronic systems by monitoring voltage levels and initiating resets if needed.
4. Battery-Powered Devices: Protects battery-powered devices from operating at low voltages, preventing potential damage or data corruption.

Detailed and Complete Alternative Models

1. TPS3808G01DBVR: Similar voltage supervisor IC with fixed 2.93V threshold voltage.
2. TPS3808G33DBVR: Voltage supervisor IC with fixed 3.3V threshold voltage.
3. TPS3808G50DBVR: Voltage supervisor IC with fixed 5.0V threshold voltage.
4. TPS3809K33DBVR: Supervisor IC with adjustable threshold voltage and watchdog timer functionality.

(Note: This list is not exhaustive and other alternative models may exist.)

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