TPS25942LRVCT

Product Overview

Category

The TPS25942LRVCT belongs to the category of electronic components, specifically power management integrated circuits (PMICs).

Use

This product is primarily used for overvoltage and overcurrent protection in various electronic systems.

Characteristics

• Overvoltage and overcurrent protection
• Low quiescent current
• Wide input voltage range
• Adjustable overvoltage threshold
• Fast response time

Package

The TPS25942LRVCT is available in a small form factor package, such as a 10-pin WSON or VSON package.

Essence

The essence of the TPS25942LRVCT lies in its ability to protect electronic devices from potential damage caused by overvoltage and overcurrent conditions.

Packaging/Quantity

Typically, this product is supplied in reels or tubes, with quantities varying depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.7V to 18V
• Overvoltage Threshold Range: 2.8V to 16V
• Quiescent Current: 5µA (typical)
• Operating Temperature Range: -40°C to 85°C
• Output Current Limit: Up to 3A

Detailed Pin Configuration

The TPS25942LRVCT has the following pin configuration:

1. EN (Enable)
2. GND (Ground)
3. IN (Input Voltage)
4. OUT (Output Voltage)
5. FLT (Fault Indicator)
6. OV (Overvoltage Threshold)
7. OC (Overcurrent Threshold)
8. PG (Power Good)
9. NC (No Connection)
10. NC (No Connection)

Functional Features

• Overvoltage Protection: The TPS25942LRVCT monitors the input voltage and disconnects the load when it exceeds the set threshold, protecting downstream components.
• Overcurrent Protection: This product also detects excessive current flow and shuts down the circuit to prevent damage to the system.
• Fault Indicator: The FLT pin provides a signal indicating the occurrence of an overvoltage or overcurrent event.
• Power Good Signal: The PG pin indicates whether the output voltage is within the acceptable range.

Advantages and Disadvantages

Advantages

• Effective protection against overvoltage and overcurrent conditions
• Low quiescent current consumption
• Wide input voltage range allows for versatile applications
• Adjustable overvoltage threshold provides flexibility in system design
• Fast response time ensures quick protection activation

Disadvantages

• Limited output current capacity (up to 3A)
• Requires external components for complete functionality

Working Principles

The TPS25942LRVCT operates based on a combination of voltage and current monitoring. It continuously monitors the input voltage and compares it to the set overvoltage threshold. If the voltage exceeds this threshold, the device disconnects the load from the source. Similarly, it monitors the current flow and activates overcurrent protection if the current exceeds the specified limit.

Detailed Application Field Plans

The TPS25942LRVCT finds applications in various electronic systems where protection against overvoltage and overcurrent events is crucial. Some potential application fields include:

1. Power Supplies: Ensuring stable and protected power delivery in AC/DC adapters, battery chargers, and power banks.
2. Industrial Control Systems: Protecting sensitive equipment and control circuits from voltage spikes and current surges.
3. Automotive Electronics: Safeguarding automotive systems, such as infotainment units and engine control modules, from electrical faults.
4. Consumer Electronics: Providing protection for smartphones, tablets, and other portable devices against power supply irregularities.
5. Communication Systems: Protecting network equipment, routers, and switches from voltage transients and current surges.

Detailed and Complete Alternative Models

1. TPS25940LRVCT: Similar to the TPS25942LRVCT but with a lower output current limit of 2A.
2. TPS25943LRVCT: Similar to the TPS25942LRVCT but with a higher output current limit of 4A.
3. TPS25944LRVCT: Similar to the TPS25942LRVCT but with a higher output current limit of 5A.

These alternative models offer similar functionality with varying output current capabilities, allowing users to select the most suitable option for their specific application requirements.

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