TPS3779DDBVR

Product Overview

Category

The TPS3779DDBVR belongs to the category of voltage supervisors.

Use

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

Characteristics

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

Package

The TPS3779DDBVR comes in a small SOT-23 package.

Essence

The essence of the TPS3779DDBVR is its ability to provide accurate voltage monitoring and supervision, ensuring the proper functioning of electronic systems.

Packaging/Quantity

The TPS3779DDBVR is typically packaged in reels, with each reel containing a specific quantity of devices. The exact quantity may vary depending on the manufacturer.

Specifications

• Supply Voltage Range: 1.8V to 6.5V
• Threshold Voltage Range: 0.4V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 2µA (typical)
• Output Type: Active-Low/Open-Drain
• Power-On Reset Delay: 200ms (typical)

Detailed Pin Configuration

The TPS3779DDBVR has the following pin configuration:

```

---

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

• VDD: Power supply input
• GND: Ground reference
• TH: Threshold voltage adjustment pin
• RESET: Active-low/open-drain reset output

Functional Features

• Accurate voltage monitoring
• Adjustable threshold voltage for flexibility
• Power-on reset delay for stable system startup
• Open-drain output for compatibility with various systems

Advantages and Disadvantages

Advantages

• Low power consumption
• Wide operating voltage range
• Small package size
• High accuracy in voltage monitoring

Disadvantages

• Limited threshold voltage adjustment range

Working Principles

The TPS3779DDBVR operates by comparing the input voltage with the internally set threshold voltage. If the input voltage falls below the threshold, the reset output is activated, indicating a low-voltage condition. Once the input voltage rises above the threshold, the reset output is deactivated.

Detailed Application Field Plans

The TPS3779DDBVR finds applications in various electronic systems where accurate voltage monitoring is crucial. Some potential application fields include:

1. Battery-powered devices: Ensuring proper battery voltage levels to prevent damage or malfunction.
2. Industrial control systems: Monitoring voltage levels in critical control circuits to maintain system integrity.
3. Automotive electronics: Supervising voltage levels in automotive systems to prevent failures and ensure safety.
4. Power management: Overvoltage and undervoltage protection in power supply circuits.

Detailed and Complete Alternative Models

1. TPS3700: Similar voltage supervisor with adjustable threshold voltage and open-drain output.
2. MAX823: Voltage monitor with fixed threshold voltage and push-pull output.
3. ADM6315: Microprocessor supervisory circuit with adjustable threshold voltage and active-low output.

These alternative models offer similar functionality and can be considered as alternatives to the TPS3779DDBVR based on specific requirements.

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