TPS2041AD

Product Overview

Category: Integrated Circuit (IC)

Use: Power Distribution Switch

Characteristics: - Low On-Resistance - Overcurrent Protection - Thermal Shutdown Protection - Reverse Current Blocking - Fast Short-Circuit Response Time

Package: SOIC-8

Essence: The TPS2041AD is a power distribution switch designed to protect circuits from excessive current and voltage. It provides a reliable and efficient solution for controlling power distribution in various applications.

Packaging/Quantity: The TPS2041AD is available in a standard SOIC-8 package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Maximum Continuous Current: 500mA
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 20µA (typical)
• Overcurrent Threshold: 750mA (typical)
• Reverse Current: <1µA (typical)

Pin Configuration

The TPS2041AD has the following pin configuration:

```

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| | --| EN OUT |-- --| GND IN |-- |___________| ```

• EN: Enable Pin (Active High)
• OUT: Output Pin
• GND: Ground Pin
• IN: Input Pin

Functional Features

1. Overcurrent Protection: The TPS2041AD monitors the output current and shuts off the switch if it exceeds the overcurrent threshold, protecting the circuit from damage.
2. Thermal Shutdown Protection: In case of excessive temperature, the TPS2041AD automatically disables the switch to prevent overheating.
3. Reverse Current Blocking: The device prevents reverse current flow from the output to the input, ensuring proper power distribution.
4. Fast Short-Circuit Response Time: The TPS2041AD quickly reacts to short-circuit conditions, minimizing the risk of damage to the circuit.

Advantages and Disadvantages

Advantages: - Low On-Resistance minimizes power loss - Compact SOIC-8 package for space-constrained applications - Wide input voltage range allows compatibility with various power sources

Disadvantages: - Maximum continuous current limited to 500mA - Requires an external enable signal for operation

Working Principles

The TPS2041AD is a power distribution switch that controls the flow of current from the input to the output. When the enable pin (EN) is high, the switch is turned on, allowing current to pass through. If the output current exceeds the overcurrent threshold, or the temperature rises above the thermal shutdown limit, the switch is automatically turned off to protect the circuit.

Detailed Application Field Plans

The TPS2041AD can be used in various applications where power distribution needs to be controlled and protected. Some potential application fields include:

1. Portable Electronic Devices:

   • Smartphones
   • Tablets
   • Wearable devices

2. Industrial Control Systems:

   • Motor control
   • Robotics
   • Power management

3. Automotive Electronics:

   • Infotainment systems
   • Lighting control
   • Battery management

Detailed and Complete Alternative Models

1. TPS2042AD: Similar to TPS2041AD but with a higher maximum continuous current rating of 1A.
2. TPS2043AD: Provides additional features such as adjustable overcurrent threshold and reverse current blocking.

These alternative models offer similar functionality to the TPS2041AD but with different specifications to meet specific application requirements.

In conclusion, the TPS2041AD is a power distribution switch that offers overcurrent and thermal protection, making it suitable for various applications. Its compact package and wide input voltage range make it an ideal choice for space-constrained designs. However, its maximum continuous current limitation and the need for an external enable signal should be considered when selecting this device.

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