TPS3801I50DCKRG4

Overview

Category: Integrated Circuits (ICs)

Use: Voltage Supervisors

Characteristics: - Monitors undervoltage conditions - Provides a reset signal when voltage drops below a specified threshold - Low quiescent current consumption - Wide operating voltage range - Adjustable threshold voltage - Small package size

Package: SC-70, 5-Lead

Essence: The TPS3801I50DCKRG4 is an integrated circuit that serves as a voltage supervisor. It monitors the voltage level and generates a reset signal when the voltage drops below a specified threshold.

Packaging/Quantity: The TPS3801I50DCKRG4 is available in a small SC-70 package and is typically sold in reels of 3000 units.

Specifications

• Supply Voltage Range: 1.6V to 6.5V
• Threshold Voltage Range: 1.2V to 5.5V
• Quiescent Current: 3.5µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TPS3801I50DCKRG4 has the following pin configuration:

```

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| | --| VDD | --| GND | --| MR | --| RESET | --| NRESET | |___________| ```

Functional Features

• Undervoltage Monitoring: The TPS3801I50DCKRG4 continuously monitors the supply voltage and detects undervoltage conditions.
• Reset Signal Generation: When the voltage drops below the set threshold, the TPS3801I50DCKRG4 generates a reset signal to indicate a power failure or low voltage condition.
• Adjustable Threshold: The threshold voltage can be adjusted within a specified range to suit different applications.
• Low Quiescent Current: The IC consumes very low quiescent current, making it suitable for battery-powered devices.
• Wide Operating Voltage Range: The TPS3801I50DCKRG4 operates over a wide voltage range, allowing it to be used in various systems.

Advantages and Disadvantages

Advantages: - Accurate undervoltage monitoring - Adjustable threshold voltage - Low power consumption - Small package size

Disadvantages: - Limited to voltage supervision functionality - Requires an external pull-up resistor

Working Principles

The TPS3801I50DCKRG4 works by comparing the supply voltage with a reference voltage set by the threshold pin. When the supply voltage drops below the threshold, the reset pin is activated, generating a reset signal. This signal can be used to initiate system shutdown or perform other necessary actions in response to an undervoltage condition.

Application Field Plans

The TPS3801I50DCKRG4 is commonly used in various electronic systems where reliable voltage monitoring is crucial. Some application fields include: - Battery-powered devices - Industrial control systems - Automotive electronics - Power management circuits - Embedded systems

Alternative Models

• TPS3800: Similar voltage supervisor IC with adjustable threshold and different package options.
• MAX809: Voltage supervisor IC with fixed threshold voltage and various package options.
• ADM1066: Supervisory circuit with additional features like power sequencing and monitoring.

These alternative models offer similar functionality and can be considered based on specific requirements and preferences.

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