TPS2112PWG4

Product Overview

Category

The TPS2112PWG4 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 various electronic devices. It allows for seamless switching between two power sources, ensuring uninterrupted power supply to the system.

Characteristics

• Power multiplexer with low on-resistance
• Wide input voltage range
• High current handling capability
• Fast switching speed
• Low quiescent current consumption

Package

The TPS2112PWG4 comes in a small-sized package known as PowerPAD™ MSOP-10. This package offers excellent thermal performance and ease of mounting on printed circuit boards.

Essence

The essence of the TPS2112PWG4 lies in its ability to efficiently manage power sources, enabling smooth transition between them without any disruption to the connected system.

Packaging/Quantity

This product is typically available in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier or distributor.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• On-Resistance: 50mΩ (typical)
• Continuous Current Rating: 1.5A
• Quiescent Current: 20µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPS2112PWG4 features a total of 10 pins, each serving a specific purpose. The pin configuration is as follows:

1. EN (Enable)
2. IN1 (Input 1)
3. GND (Ground)
4. IN2 (Input 2)
5. VBAT (Battery Voltage)
6. VOUT (Output Voltage)
7. PGND (Power Ground)
8. FLT (Fault Indicator)
9. NC (No Connection)
10. VIN (Input Voltage)

Functional Features

• Automatic power source selection based on input voltage levels
• Fast switching between power sources to ensure uninterrupted operation
• Overvoltage and undervoltage protection
• Fault detection and indication
• Low power consumption in standby mode

Advantages and Disadvantages

Advantages

• Efficient power management for electronic devices
• Seamless transition between power sources
• Protection against voltage fluctuations
• Compact package with good thermal performance
• Low quiescent current consumption

Disadvantages

• Limited continuous current rating of 1.5A
• Restricted input voltage range of 2.7V to 5.5V

Working Principles

The TPS2112PWG4 operates by continuously monitoring the input voltages from two power sources. It automatically selects the power source with the higher voltage and switches the load to that source. This ensures a smooth and uninterrupted power supply to the connected system.

In case of an overvoltage or undervoltage condition, the TPS2112PWG4 detects the fault and quickly switches to the alternate power source. The fault indicator pin provides visual indication of any detected faults.

Detailed Application Field Plans

The TPS2112PWG4 finds applications in various electronic devices where power multiplexing is required. Some potential application fields include:

1. Portable electronic devices (e.g., smartphones, tablets) - Enables seamless switching between battery power and external power sources.
2. Industrial automation systems - Provides reliable power redundancy for critical components.
3. Automotive electronics - Facilitates smooth transition between different power sources in vehicles.
4. IoT devices - Ensures uninterrupted power supply during power source changes.

Detailed and Complete Alternative Models

1. TPS2110PWG4: Similar to TPS2112PWG4 but with a lower continuous current rating of 1A.
2. TPS2113PWG4: Similar to TPS2112PWG4 but with an extended input voltage range of 2.7V to 10V.
3. TPS2114PWG4: Similar to TPS2112PWG4 but with enhanced fault protection features.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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