TPS3851G50EDRBT - English Editing Encyclopedia Entry

Product Overview

Category

The TPS3851G50EDRBT belongs to the category of integrated circuits (ICs) and specifically falls under the family of voltage supervisors.

Use

This product is primarily used for monitoring and supervising the voltage levels in electronic systems. It ensures that the voltage remains within specified limits, providing protection against undervoltage and overvoltage conditions.

Characteristics

• Voltage Range: The TPS3851G50EDRBT operates within a voltage range of 0.5V to 5.5V.
• Low Power Consumption: It consumes minimal power, making it suitable for battery-powered applications.
• Adjustable Thresholds: The device allows users to set the desired threshold voltage levels for monitoring.
• Reset Output: It provides a reset signal when the monitored voltage crosses the programmed thresholds.

Package

The TPS3851G50EDRBT is available in a small 6-pin WSON package, which offers compactness and ease of integration into various electronic systems.

Essence

The essence of the TPS3851G50EDRBT lies in its ability to ensure stable voltage levels within electronic systems, preventing potential damage or malfunction due to voltage fluctuations.

Packaging/Quantity

This product is typically supplied in reels, with each reel containing a specific quantity of TPS3851G50EDRBT ICs. The exact quantity per reel may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage Range: 0.5V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: 2 µA (typical)
• Threshold Accuracy: ±1.5%
• Reset Timeout Period: 50 ms (typical)

Detailed Pin Configuration

The TPS3851G50EDRBT features the following pin configuration:

1. GND: Ground connection
2. VDD: Supply voltage input
3. MR: Manual reset input (active-low)
4. RESET: Reset output
5. TH: Threshold voltage setting pin
6. NC: No connection

Functional Features

• Voltage Monitoring: The TPS3851G50EDRBT continuously monitors the voltage level at the TH pin and compares it with the programmed threshold levels.
• Reset Generation: When the monitored voltage crosses the programmed thresholds, the device generates a reset signal on the RESET pin, indicating a fault condition.
• Manual Reset: The MR pin allows users to manually trigger a reset by pulling it low.

Advantages and Disadvantages

Advantages

• Wide Operating Voltage Range: The TPS3851G50EDRBT can operate within a broad voltage range, making it suitable for various applications.
• Low Power Consumption: It consumes minimal power, extending battery life in portable devices.
• Adjustable Thresholds: Users can set the desired threshold voltages according to their specific requirements.

Disadvantages

• Limited Pin Configuration: The 6-pin package restricts the number of available pins for additional functionalities.
• Single Voltage Monitoring: This device can monitor only one voltage source at a time.

Working Principles

The TPS3851G50EDRBT operates based on a voltage comparator circuit. It compares the voltage at the TH pin with the internally programmed threshold levels. If the voltage exceeds or falls below the set thresholds, the device triggers a reset signal on the RESET pin, indicating a fault condition.

Detailed Application Field Plans

The TPS3851G50EDRBT finds applications in various electronic systems where voltage monitoring is critical. Some potential application fields include:

1. Battery-Powered Devices: Portable devices such as smartphones, tablets, and wearables can benefit from the TPS3851G50EDRBT's low power consumption and voltage monitoring capabilities.
2. Industrial Control Systems: The device can be used in industrial control systems to ensure stable voltage levels, preventing damage to sensitive components.
3. Automotive Electronics: In automotive applications, the TPS3851G50EDRBT can monitor the vehicle's electrical system, providing protection against voltage fluctuations.

Detailed and Complete Alternative Models

1. TPS3839K33DBVR: This voltage supervisor IC offers similar functionality but operates at a fixed threshold voltage of 3.3V.
2. MAX823LEUK-T: This IC provides voltage monitoring with adjustable thresholds and features an ultra-small SOT-23 package.
3. ADM6315-26D4ARTZ-R7: This alternative model offers precise voltage monitoring with a fixed threshold of 2.6V and comes in a 4-pin SOT-143 package.

(Note: The above alternative models are provided for reference purposes and may have different specifications and pin configurations.)

In conclusion, the TPS3851G50EDRBT is a versatile