TPS2111APWR

Product Overview

Category

The TPS2111APWR 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 device.

Characteristics

• Power multiplexer with low on-resistance
• Wide input voltage range
• Fast switching speed
• Low quiescent current
• Overvoltage protection
• Thermal shutdown protection

Package

The TPS2111APWR is available in a small package known as the TSSOP-8 (Thin Shrink Small Outline Package). This package offers a compact size and allows for easy integration into various electronic designs.

Essence

The essence of the TPS2111APWR lies in its ability to efficiently manage power sources, providing a reliable and continuous power supply to electronic devices.

Packaging/Quantity

The TPS2111APWR is typically sold in reels, with each reel containing 2500 units. This packaging option ensures convenient handling and storage during manufacturing processes.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• On-Resistance (Rdson): 50mΩ (typical)
• Quiescent Current: 10µA (typical)
• Switching Time: 20ns (typical)
• Overvoltage Protection Threshold: 6.5V (typical)

Detailed Pin Configuration

The TPS2111APWR features an 8-pin configuration:

1. EN (Enable) - Controls the power multiplexer operation.
2. IN1 (Input 1) - Connects to the primary power source.
3. IN2 (Input 2) - Connects to the secondary power source.
4. GND (Ground) - Common ground reference for the device.
5. VOUT (Output Voltage) - Provides the output voltage to the load.
6. FLT (Fault) - Indicates any fault conditions, such as overvoltage or thermal shutdown.
7. NC (No Connection) - Not connected pin.
8. VIN (Input Voltage) - Power supply input pin.

Functional Features

• Automatic power source selection based on availability and priority.
• Fast switching between power sources to ensure uninterrupted operation.
• Overvoltage protection prevents damage to the device during voltage spikes.
• Thermal shutdown protection safeguards against excessive heat.

Advantages and Disadvantages

Advantages

• Efficient power management for electronic devices.
• Seamless switching between power sources.
• Compact package size for easy integration.
• Low quiescent current for power-saving applications.
• Protection features enhance device reliability.

Disadvantages

• Limited to two power sources.
• Requires external control for power source selection.

Working Principles

The TPS2111APWR operates by continuously monitoring the voltage levels of the primary and secondary power sources. Based on predefined criteria, it automatically selects the appropriate power source and switches the load connection accordingly. The device also incorporates protection mechanisms to prevent damage from overvoltage conditions and excessive heat.

Detailed Application Field Plans

The TPS2111APWR finds applications in various electronic devices that require reliable power multiplexing. Some potential application fields include:

1. Mobile Devices: Smartphones, tablets, and portable media players can benefit from seamless power source switching to prolong battery life and ensure uninterrupted usage.
2. Industrial Automation: Control systems and sensors often require redundant power sources for continuous operation. The TPS2111APWR facilitates efficient power management in such applications.
3. Automotive Electronics: In automotive systems, where multiple power sources are present, this IC can be used to manage power supply to different components, ensuring reliable operation.

Detailed and Complete Alternative Models

1. TPS2110APWR: Similar to the TPS2111APWR, but with a lower input voltage range of 2.3V to 5.5V.
2. TPS2112APWR: Similar to the TPS2111APWR, but with an extended input voltage range of 2.7V to 6.5V.
3. TPS2113APWR: A dual-channel power multiplexer with additional features such as reverse current protection and adjustable overvoltage protection threshold.

These alternative models offer similar functionality with slight variations in specifications, catering to different application requirements.

In conclusion, the TPS2111APWR is a power management IC that enables efficient power multiplexing in electronic devices. With its compact size, protection features, and seamless switching capabilities, it finds applications in various industries.