TPS3837K33DBVR

Product Overview

Category

The TPS3837K33DBVR belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and controlling the voltage levels in electronic systems.

Characteristics

• Low-power consumption
• Wide operating voltage range
• High accuracy
• Small package size
• Adjustable threshold voltage

Package

The TPS3837K33DBVR comes in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS3837K33DBVR lies in its ability to provide accurate voltage monitoring and reset functions in electronic systems.

Packaging/Quantity

This product is typically available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Supply Voltage Range: 1.8V to 10V
• Threshold Voltage Accuracy: ±1.5%
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 2.5µA (typical)
• Power-On Reset Delay Time: 200ms (typical)

Pin Configuration

The TPS3837K33DBVR has the following pin configuration:

```

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| | --| VDD | --| GND | --| RESET | |___________| ```

Functional Features

1. Voltage Monitoring: The TPS3837K33DBVR continuously monitors the supply voltage and provides a reset signal when it falls below a certain threshold.
2. Adjustable Threshold: The threshold voltage can be adjusted using external resistors, allowing flexibility in different applications.
3. Power-On Reset: It includes a power-on reset delay circuitry that ensures a stable output during power-up.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered devices.
• Wide operating voltage range enables compatibility with various systems.
• Small package size allows for space-saving designs.
• Adjustable threshold voltage provides versatility in different applications.

Disadvantages

• Limited availability of alternative models from other manufacturers.
• May require additional external components for specific applications.

Working Principles

The TPS3837K33DBVR operates by comparing the supply voltage with a preset threshold voltage. When the supply voltage drops below the threshold, the reset output is activated, indicating a low-voltage condition. The power-on reset delay circuitry ensures that the reset signal remains active for a specified time during power-up to allow the system to stabilize.

Detailed Application Field Plans

The TPS3837K33DBVR finds application in various fields, including but not limited to: 1. Battery-powered devices: It ensures proper functioning and prevents damage due to low voltage conditions. 2. Industrial automation: It provides voltage monitoring and reset functions in control systems. 3. Automotive electronics: It helps maintain stable voltage levels in automotive applications. 4. Consumer electronics: It safeguards sensitive components from voltage fluctuations.

Detailed and Complete Alternative Models

While the TPS3837K33DBVR is a reliable voltage supervisor, there are alternative models available from other manufacturers that offer similar functionality. Some notable alternatives include: - MAX823: Manufactured by Maxim Integrated, it offers adjustable threshold voltage and low-power operation. - ADM6315: Produced by Analog Devices, it features a wide operating voltage range and small package size. - MCP100: Developed by Microchip Technology, it provides accurate voltage monitoring and reset functions.

These alternative models can be considered based on specific requirements and availability.

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