TPS2057D

Product Overview

Category

The TPS2057D belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

The TPS2057D is primarily used for power distribution and protection in electronic systems. It provides a convenient solution for managing power supply to multiple components within a system.

Characteristics

• Power management IC
• Provides power distribution and protection
• Suitable for various electronic systems
• Compact package size
• High efficiency

Package

The TPS2057D comes in a small outline integrated circuit (SOIC) package, which ensures easy integration into electronic systems. The package dimensions are 5.3mm x 6.2mm.

Essence

The essence of the TPS2057D lies in its ability to efficiently distribute and protect power supply in electronic systems, ensuring stable and reliable operation of various components.

Packaging/Quantity

The TPS2057D is typically available in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input voltage range: 2.7V to 5.5V
• Output voltage range: 0V to VCC
• Maximum continuous current per channel: 500mA
• Quiescent current: 50µA (typical)
• Operating temperature range: -40°C to 85°C
• Overcurrent protection threshold: 700mA (typical)

Detailed Pin Configuration

The TPS2057D has a total of eight pins, each serving a specific function:

1. EN (Enable): Controls the power distribution to the output channels.
2. GND (Ground): Common ground reference for the IC.
3. IN (Input): Connects to the input power source.
4. OUT1 (Output 1): Provides power output to the first channel.
5. OUT2 (Output 2): Provides power output to the second channel.
6. OUT3 (Output 3): Provides power output to the third channel.
7. OUT4 (Output 4): Provides power output to the fourth channel.
8. VCC (Voltage Common Collector): Connects to the positive power supply.

Functional Features

1. Overcurrent Protection: The TPS2057D incorporates overcurrent protection, which safeguards the connected components from excessive current flow.
2. Enable Control: The EN pin allows for easy control of power distribution to the output channels, enabling efficient power management.
3. Low Quiescent Current: With a low quiescent current of only 50µA, the TPS2057D minimizes power consumption when in standby mode.
4. Thermal Shutdown: The IC includes thermal shutdown protection, preventing damage due to excessive heat.

Advantages and Disadvantages

Advantages

• Efficient power distribution and protection
• Compact package size for easy integration
• Low quiescent current reduces power consumption
• Thermal shutdown protection ensures device safety

Disadvantages

• Limited maximum continuous current per channel (500mA)
• Restricted input voltage range (2.7V to 5.5V)

Working Principles

The TPS2057D operates by receiving an input voltage through the IN pin. It then distributes this power to the four output channels (OUT1 to OUT4) based on the enable signal received at the EN pin. The IC incorporates overcurrent protection, ensuring that the current flowing through each channel does not exceed the specified threshold. In case of excessive heat, the thermal shutdown feature activates, safeguarding the IC and the connected components.

Detailed Application Field Plans

The TPS2057D finds applications in various electronic systems where power distribution and protection are crucial. Some potential application fields include:

1. Mobile Devices: The IC can be used in smartphones, tablets, and other portable devices to manage power supply to different components, such as cameras, sensors, and display modules.
2. Industrial Automation: In industrial automation systems, the TPS2057D can be employed to distribute power to various control modules, ensuring reliable operation and protection against overcurrent.
3. Automotive Electronics: The IC can be utilized in automotive electronics for managing power distribution to different subsystems, such as infotainment systems, lighting modules, and control units.

Detailed and Complete Alternative Models

1. TPS2058D: Similar to the TPS2057D, this model offers four output channels with overcurrent protection. However, it provides a higher maximum continuous current per channel of 750mA.
2. TPS2065D: This alternative model also features four output channels but includes an adjustable current limit for each channel, allowing for more precise power management.
3. TPS2074D: With eight output channels, the TPS2074D offers expanded power distribution capabilities while maintaining overcurrent protection for each channel.

These alternative models