TPS2112

series introduction

# TPS2112 Product Series Introduction

## Overview
The TPS2112 product series is a remarkable line of integrated circuits developed by Texas Instruments, designed to address a wide range of power management challenges in modern electronic systems. These devices are engineered with precision to provide efficient, reliable, and flexible power switching and protection solutions for various applications.

## Key Features

### 1. Dual - Channel Power Switch
The TPS2112 series features a dual - channel architecture, which allows for independent control of two separate power paths. This is highly advantageous in applications where multiple power sources or loads need to be managed independently. For example, in a portable device with both a battery and an external power supply, the two channels can be used to switch between these power sources seamlessly.

### 2. Low On - Resistance
One of the standout features of the TPS2112 is its extremely low on - resistance. Low on - resistance translates to reduced power dissipation across the switch when it is in the on state. This not only improves the overall efficiency of the power management system but also helps in minimizing heat generation. As a result, the device can handle higher currents without overheating, making it suitable for high - power applications.

### 3. Wide Input Voltage Range
The TPS2112 is designed to operate over a wide input voltage range. This flexibility allows it to be used in a variety of power supply scenarios, from low - voltage battery - powered systems to higher - voltage industrial applications. The wide input voltage range ensures compatibility with different power sources, enhancing the device's versatility.

### 4. Overcurrent and Overvoltage Protection
To safeguard the connected components and the power management system itself, the TPS2112 series is equipped with overcurrent and overvoltage protection features. In the event of an overcurrent condition, the device will automatically limit the current flow to prevent damage to the load and the switch. Similarly, if the input voltage exceeds a predefined threshold, the overvoltage protection mechanism will activate to protect the system from potential damage.

### 5. Thermal Shutdown
Thermal shutdown is another important safety feature of the TPS2112. If the device's temperature rises above a safe operating limit due to excessive power dissipation or high ambient temperature, the thermal shutdown circuit will turn off the switch to prevent overheating and potential failure. Once the temperature drops to a safe level, the device can resume normal operation.

### 6. Fast Switching Speed
The TPS2112 offers fast switching speeds, enabling rapid response to changes in the power management requirements. This is crucial in applications where quick power switching is necessary, such as in power sequencing circuits or in systems that need to respond rapidly to load changes.

## Applications

### 1. Portable Electronic Devices
In portable devices like smartphones, tablets, and laptops, the TPS2112 can be used for power source selection between the battery and an external charger. Its low on - resistance helps in maximizing the battery life by reducing power losses during charging and discharging. The dual - channel feature allows for independent management of different power domains within the device, such as the main power supply and the power for peripheral components.

### 2. Industrial Automation
Industrial automation systems often require reliable power management solutions to ensure the proper operation of various sensors, actuators, and control circuits. The TPS2112's overcurrent and overvoltage protection features make it suitable for protecting these sensitive components from power surges and short - circuits. The wide input voltage range allows it to be used in different industrial power supply environments.

### 3. Automotive Electronics
In automotive applications, the TPS2112 can be used for power distribution and protection in various subsystems, such as infotainment systems, lighting control modules, and engine control units. The device's

Images for reference

8-TSSOP

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Datasheets

• TPS2112A/13A
• TPS2112/13
• PDF 3

Partlist