TPS3806I33DBVT

Overview

Product Category

The TPS3806I33DBVT belongs to the category of voltage supervisors.

Use

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

Characteristics

• Voltage supervisors ensure stable operation by monitoring power supply voltages.
• The TPS3806I33DBVT offers precise voltage monitoring with a threshold of 3.3V.
• It provides a reset signal when the monitored voltage falls below the threshold.
• This device operates over a wide temperature range, making it suitable for various applications.

Package

The TPS3806I33DBVT comes in a small SOT-23 package.

Essence

The essence of the TPS3806I33DBVT lies in its ability to monitor and control voltage levels, ensuring reliable operation of electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Supply Voltage Range: 1.5V to 6.5V
• Threshold Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 2µA (typical)
• Reset Timeout Period: 200ms (typical)

Pin Configuration

The TPS3806I33DBVT has the following pin configuration:

```

---

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

• VDD: Power supply input
• GND: Ground reference
• MR: Manual reset input
• RESET: Reset output

Functional Features

• Precise voltage monitoring with a fixed threshold of 3.3V.
• Provides a reset signal when the monitored voltage falls below the threshold.
• Manual reset input allows for external control of the reset function.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring for reliable system operation.
• Wide operating temperature range enables usage in various environments.
• Small package size facilitates integration into space-constrained designs.
• Low quiescent current minimizes power consumption.

Disadvantages

• Fixed threshold voltage may not be suitable for all applications requiring different voltage levels.
• Lack of adjustable timeout period limits flexibility in certain scenarios.

Working Principles

The TPS3806I33DBVT operates by continuously monitoring the supply voltage. When the voltage drops below the fixed threshold of 3.3V, the device generates a reset signal. This signal can be used to initiate system resets or trigger other actions based on the specific application requirements.

Detailed Application Field Plans

The TPS3806I33DBVT finds applications in various fields, including:

1. Microcontrollers: Ensuring stable operation by monitoring the supply voltage and initiating resets when necessary.
2. Power Management Systems: Protecting sensitive components from undervoltage conditions and preventing potential damage.
3. Industrial Automation: Monitoring critical voltage levels in control systems to maintain reliable operation.
4. Automotive Electronics: Safeguarding electronic systems against voltage fluctuations and ensuring uninterrupted performance.

Detailed and Complete Alternative Models

1. TPS3808G01DBVR: Similar to TPS3806I33DBVT but with an adjustable threshold voltage.
2. MAX809: Voltage supervisors with various threshold options and additional features like manual reset input.
3. ADM6315: Precision voltage monitors with adjustable reset timeout periods and low power consumption.

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

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