TPS61181ARTET

Product Overview

Category

The TPS61181ARTET belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices to efficiently regulate and control power supply, making it suitable for a wide range of applications.

Characteristics

• High efficiency: The TPS61181ARTET offers high conversion efficiency, minimizing power loss during voltage regulation.
• Wide input voltage range: It can handle a broad range of input voltages, allowing flexibility in different power supply scenarios.
• Adjustable output voltage: The IC provides adjustable output voltage levels, enabling customization based on specific requirements.
• Compact package: The TPS61181ARTET is available in a small form factor package, making it suitable for space-constrained designs.
• Low quiescent current: It features low quiescent current consumption, ensuring minimal power wastage during standby or idle modes.

Package and Quantity

The TPS61181ARTET is typically packaged in a compact and robust QFN (Quad Flat No-leads) package. Each package contains one IC.

Specifications

• Input Voltage Range: 2.7V to 18V
• Output Voltage Range: 1.2V to 16V
• Maximum Output Current: 1.5A
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TPS61181ARTET has the following pin configuration:

```

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| | | _______________ | | | | | | EN | | VIN | | ----> | | <---- | | | | | | | | | | | | | | | | | | FB | | SW | | ----> | | <---- | | | | | | |_______________| | | | |_______________________________________| ```

Functional Features

• Enable (EN) Pin: This pin controls the enable/disable state of the IC. When high, the IC is enabled and starts regulating the output voltage.
• Feedback (FB) Pin: The feedback pin provides a means to adjust the output voltage level by connecting an external resistor divider network.
• Input Voltage (VIN) Pin: This pin receives the input voltage that needs to be regulated.
• Switch (SW) Pin: The switch pin is responsible for controlling the power flow and generating the regulated output voltage.

Advantages and Disadvantages

Advantages

• High conversion efficiency leads to reduced power loss.
• Wide input voltage range allows for versatile applications.
• Adjustable output voltage enables customization.
• Compact package facilitates space-constrained designs.
• Low quiescent current minimizes power wastage during standby.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Operating temperature range might restrict usage in extreme environments.

Working Principles

The TPS61181ARTET operates based on a switching regulator topology. It utilizes a high-frequency switching mechanism to efficiently convert the input voltage to the desired output voltage level. By controlling the duty cycle of the switch, the IC regulates the output voltage while minimizing power dissipation.

Detailed Application Field Plans

The TPS61181ARTET finds applications in various fields, including but not limited to: 1. Portable electronic devices: Used to regulate power supply in smartphones, tablets, portable media players, etc. 2. Automotive electronics: Employed in automotive infotainment systems, dashboard displays, and lighting applications. 3. Industrial equipment: Utilized in power management circuits for industrial automation systems, control panels, and sensors. 4. LED lighting: Used to drive and regulate power supply for LED lighting fixtures, including backlighting in LCD displays.

Detailed and Complete Alternative Models

1. TPS61182ARTET: Similar to the TPS61181ARTET, but with a higher maximum output current of 2A.
2. TPS61183ARTET: Offers additional features such as adjustable switching frequency and synchronization capability.
3. TPS61184ARTET: Provides enhanced thermal management features for improved performance in high-temperature environments.

These alternative models offer similar functionality to the TPS61181ARTET while catering to specific requirements or providing additional capabilities.

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