TPS3851H25EDRBR

Overview

Category: Integrated Circuits (ICs)

Use: Voltage Supervisors

Characteristics: - Monitors undervoltage and overvoltage conditions - Provides a reset signal to the system when voltage is out of range - Low quiescent current consumption - Wide operating voltage range - Adjustable threshold voltage levels

Package: 6-WSON (2x2) package

Essence: The TPS3851H25EDRBR is a voltage supervisor IC designed to monitor undervoltage and overvoltage conditions in electronic systems. It ensures that the voltage remains within a specified range and provides a reset signal to the system when the voltage goes out of range.

Packaging/Quantity: The TPS3851H25EDRBR is available in a 6-WSON (2x2) package. It is typically sold in reels or tubes, with a quantity of 2500 units per reel.

Specifications

The TPS3851H25EDRBR has the following specifications:

• Supply Voltage Range: 1.8V to 5.5V
• Undervoltage Threshold Range: 1.6V to 4.6V
• Overvoltage Threshold Range: 2.0V to 5.0V
• Quiescent Current: 3.5µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TPS3851H25EDRBR has the following pin configuration:

```

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| | --| VDD | --| GND | --| RESET | --| OV | --| UV | |___________| ```

• VDD: Power supply input
• GND: Ground reference
• RESET: Output reset signal
• OV: Overvoltage threshold input
• UV: Undervoltage threshold input

Functional Features

The TPS3851H25EDRBR offers the following functional features:

1. Voltage Monitoring: Monitors the voltage level and detects undervoltage and overvoltage conditions.
2. Reset Signal Generation: Provides a reset signal to the system when the voltage goes out of range, ensuring proper system operation.
3. Adjustable Thresholds: The undervoltage and overvoltage thresholds can be adjusted according to the specific requirements of the application.
4. Low Quiescent Current: Consumes low quiescent current, minimizing power consumption in battery-powered applications.

Advantages and Disadvantages

Advantages: - Wide operating voltage range allows for compatibility with various systems. - Adjustable threshold levels provide flexibility in voltage monitoring. - Low quiescent current consumption helps conserve power in battery-operated devices.

Disadvantages: - Limited package options may not be suitable for all form factors. - Lack of built-in protection features against transient voltage spikes.

Working Principles

The TPS3851H25EDRBR operates by continuously monitoring the input voltage. It compares the voltage level with the user-adjustable undervoltage and overvoltage thresholds. If the voltage falls below the undervoltage threshold or exceeds the overvoltage threshold, the IC generates a reset signal. This signal is used to reset the system or trigger appropriate actions to ensure safe operation.

Application Field Plans

The TPS3851H25EDRBR finds applications in various fields where voltage monitoring and system reset functionality are crucial. Some potential application areas include:

1. Power Supply Units (PSUs)
2. Industrial Control Systems
3. Automotive Electronics
4. Battery Management Systems (BMS)
5. Home Automation Systems

Alternative Models

Here are some alternative models that offer similar functionality to the TPS3851H25EDRBR:

1. TPS3839K33DBVR
2. MAX809SEUR-T
3. ADM708TARZ-REEL7
4. LTC2910IGN#PBF
5. MCP101T-450I/TT

These alternatives can be considered based on specific requirements and compatibility with the target application.

In conclusion, the TPS3851H25EDRBR is a voltage supervisor IC that provides reliable undervoltage and overvoltage monitoring in electronic systems. Its adjustable thresholds, low quiescent current consumption, and wide operating voltage range make it suitable for various applications in different industries.