TPS2115ADRBR

Product Overview

Category

The TPS2115ADRBR belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for power multiplexing applications in electronic devices. It enables seamless switching between two power sources, ensuring uninterrupted power supply to the load.

Characteristics

• Power multiplexer with low on-resistance
• Wide input voltage range
• High efficiency
• Fast switching speed
• Overcurrent protection
• Thermal shutdown protection

Package

The TPS2115ADRBR is available in a small outline package (SOIC) with eight pins. This package offers excellent thermal performance and ease of integration into various circuit designs.

Essence

The essence of the TPS2115ADRBR lies in its ability to efficiently manage power sources and ensure continuous power supply to the load, enhancing the reliability and performance of electronic devices.

Packaging/Quantity

The TPS2115ADRBR is typically packaged in reels or tubes, containing a specified quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier or manufacturer.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• On-Resistance: 50mΩ (typical)
• Quiescent Current: 10µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Switching Frequency: Up to 1MHz
• Maximum Continuous Current: 2A

Detailed Pin Configuration

The TPS2115ADRBR features the following pin configuration:

1. EN (Enable): Controls the operation of the power multiplexer.
2. IN1 (Input 1): Connects to the primary power source.
3. IN2 (Input 2): Connects to the secondary power source.
4. OUT (Output): Connects to the load or device requiring power.
5. GND (Ground): Common ground reference for the IC.
6. FLT (Fault): Provides a fault indication when an overcurrent condition is detected.
7. VIO (Voltage Input/Output): Provides a voltage reference for the IC.
8. PG (Power Good): Indicates the status of the output voltage.

Functional Features

• Seamless power source switching: The TPS2115ADRBR enables smooth transition between two power sources, ensuring uninterrupted power supply to the load.
• Overcurrent protection: It incorporates built-in overcurrent protection, safeguarding the load and the IC from excessive current flow.
• Thermal shutdown protection: In case of excessive temperature rise, the IC automatically shuts down to prevent damage.
• Low on-resistance: The low on-resistance of the power multiplexer minimizes power losses and improves overall efficiency.
• Fast switching speed: The TPS2115ADRBR offers fast switching speed, reducing any potential disruption during power source switching.

Advantages and Disadvantages

Advantages

• Efficient power management solution
• Reliable and seamless power source switching
• Built-in overcurrent and thermal protection
• Compact package size for easy integration
• Wide input voltage range for versatile applications

Disadvantages

• Limited maximum continuous current capacity (2A)
• Requires external control signals for proper operation

Working Principles

The TPS2115ADRBR operates based on the principle of power multiplexing. It utilizes internal switches to connect either the primary (IN1) or secondary (IN2) power source to the load (OUT). The EN pin controls the switching operation, enabling the selection of the desired power source. The FLT pin provides a fault indication in case of an overcurrent condition. The PG pin indicates the status of the output voltage, ensuring proper power delivery.

Detailed Application Field Plans

The TPS2115ADRBR finds applications in various electronic devices that require power multiplexing capabilities. Some potential application fields include:

1. Portable electronic devices: Enables seamless switching between battery and external power sources, ensuring uninterrupted operation.
2. Automotive systems: Facilitates power management between the vehicle's electrical system and auxiliary devices.
3. Industrial automation: Provides reliable power source selection for control systems and equipment.
4. Telecommunications: Ensures continuous power supply during network switching or backup power scenarios.
5. Medical devices: Enables efficient power management in medical equipment, ensuring patient safety and device reliability.

Detailed and Complete Alternative Models

1. TPS2113ADRBR: Similar to TPS2115ADRBR but with a lower maximum continuous current capacity (1A).
2. TPS2117ADRBR: Similar to TPS2115ADRBR but with a higher maximum continuous current capacity (3A).
3. TPS2118ADRBR: Similar to TPS2115ADRBR but with additional features such as reverse current protection and adjustable current limit.

These alternative models offer similar