TPS2482PWR

Product Overview

Category

The TPS2482PWR belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This IC is primarily used for overvoltage protection in various electronic systems and devices.

Characteristics

• Overvoltage protection: The TPS2482PWR provides reliable protection against overvoltage events, safeguarding sensitive components.
• High accuracy: It offers precise voltage monitoring and detection capabilities.
• Fast response time: The IC quickly reacts to overvoltage conditions, minimizing potential damage.
• Low power consumption: The TPS2482PWR operates efficiently, consuming minimal power during normal operation.

Package

The TPS2482PWR is available in a small-sized package, known as PowerPAD™, which facilitates efficient heat dissipation.

Essence

The essence of the TPS2482PWR lies in its ability to protect electronic systems from overvoltage events, ensuring their safe and reliable operation.

Packaging/Quantity

The TPS2482PWR is typically packaged in reels or tubes, with a standard quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 18V
• Operating Temperature Range: -40°C to 85°C
• Output Voltage Range: 0V to VCC
• Quiescent Current: 10µA (typical)
• Overvoltage Threshold Accuracy: ±1%
• Response Time: <1µs

Detailed Pin Configuration

The TPS2482PWR features a total of 8 pins, each serving a specific function:

1. EN (Enable): Controls the IC's operation by enabling or disabling it.
2. OV (Overvoltage): Connects to the system's voltage rail to monitor for overvoltage conditions.
3. GND (Ground): Provides the reference ground for the IC.
4. FLT (Fault): Indicates the occurrence of an overvoltage fault condition.
5. VCC: Supplies power to the IC.
6. PG (Power Good): Signals that the output voltage is within the acceptable range.
7. OUT (Output): Connects to the load or system being protected.
8. REF (Reference): Sets the overvoltage threshold level.

Functional Features

1. Overvoltage Protection: The TPS2482PWR continuously monitors the input voltage and immediately shuts off the output when an overvoltage condition is detected.
2. Fast Response Time: With a response time of less than 1µs, the IC rapidly reacts to overvoltage events, minimizing potential damage.
3. Power Good Indicator: The PG pin provides a signal indicating that the output voltage is within the acceptable range.
4. Enable/Disable Control: The EN pin allows users to enable or disable the IC as needed.

Advantages and Disadvantages

Advantages

• Robust overvoltage protection ensures the safety of electronic systems.
• High accuracy in detecting overvoltage conditions.
• Fast response time minimizes the risk of damage.
• Low power consumption contributes to energy efficiency.

Disadvantages

• Limited to overvoltage protection functionality only.
• Requires external circuitry for complete power management solutions.

Working Principles

The TPS2482PWR operates based on a voltage monitoring principle. It compares the input voltage with a user-defined threshold level set using the REF pin. If the input voltage exceeds the threshold, the IC immediately disables the output, protecting the downstream components from potential damage.

Detailed Application Field Plans

The TPS2482PWR finds applications in various fields where overvoltage protection is crucial. Some notable examples include:

1. Industrial Automation: Protecting sensitive control systems from voltage spikes and surges.
2. Automotive Electronics: Safeguarding electronic components in vehicles from overvoltage events.
3. Consumer Electronics: Ensuring the safety of devices such as smartphones, tablets, and laptops.
4. Power Distribution Systems: Preventing damage to power distribution equipment caused by overvoltage conditions.

Detailed and Complete Alternative Models

1. TPS2483PWR: Similar to the TPS2482PWR but with additional undervoltage protection functionality.
2. TPS2490PWR: Offers overvoltage protection along with integrated current limiting capabilities.
3. TPS23861PWR: Designed specifically for Power over Ethernet (PoE) applications, providing overvoltage protection for PoE systems.

(Note: The alternative models listed above are just a few examples and not an exhaustive list.)

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