TPS61178RNWR

Product Overview

Category

The TPS61178RNWR belongs to the category of integrated circuits (ICs) and specifically falls under the category of voltage regulators.

Use

This product is primarily used for power management applications, providing efficient and reliable voltage regulation.

Characteristics

• High efficiency: The TPS61178RNWR offers high conversion efficiency, ensuring minimal power loss during voltage regulation.
• Wide input voltage range: It can accept a wide range of input voltages, making it suitable for various applications.
• Adjustable output voltage: The output voltage can be easily adjusted according to the specific requirements of the application.
• Overcurrent protection: The IC incorporates overcurrent protection to safeguard against excessive current flow.
• Thermal shutdown protection: It includes thermal shutdown protection to prevent overheating and potential damage.

Package

The TPS61178RNWR is available in a small outline package (SOP) with a compact form factor, allowing for easy integration into different electronic devices.

Essence

The essence of the TPS61178RNWR lies in its ability to efficiently regulate voltage, ensuring stable and reliable power supply for various electronic components.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 2.7V to 18V
• Output Voltage Range: 1.2V to 16V
• Maximum Output Current: 3A
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOP-8

Detailed Pin Configuration

The TPS61178RNWR features an SOP-8 package with the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin to control the IC's operation
5. SS/TR: Soft-start and tracking pin
6. PGND: Power ground pin
7. LX: Switching node pin
8. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows for versatile applications.
• Adjustable output voltage provides flexibility in meeting specific requirements.
• Overcurrent protection ensures safe operation under varying load conditions.
• Thermal shutdown protection prevents overheating and potential damage.
• Soft-start feature enables gradual power-up, reducing stress on components.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Wide input voltage range enhances compatibility with different power sources.
• Compact package size facilitates integration into space-constrained designs.
• Overcurrent and thermal protection enhance reliability and safety.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Higher switching frequency may introduce electromagnetic interference (EMI) concerns in sensitive environments.

Working Principles

The TPS61178RNWR operates as a step-up (boost) voltage regulator. It utilizes a switching topology to efficiently convert the input voltage to the desired output voltage level. The IC incorporates a feedback mechanism to regulate the output voltage, ensuring stability and accuracy. By controlling the duty cycle of the internal switches, the TPS61178RNWR achieves the desired voltage conversion.

Detailed Application Field Plans

The TPS61178RNWR finds application in various fields, including but not limited to:

1. Portable electronic devices: It can be used to regulate power supply in smartphones, tablets, portable media players, etc.
2. LED lighting: The IC is suitable for driving LED backlighting in LCD displays, LED strips, and other lighting applications.
3. Battery-powered systems: It can be employed in devices powered by batteries, such as handheld instruments, wireless sensors, and IoT devices.
4. Automotive electronics: The TPS61178RNWR can be utilized in automotive applications, including infotainment systems, lighting control, and dashboard displays.

Detailed and Complete Alternative Models

1. TPS61179RNWR: Similar to the TPS61178RNWR, but with a higher maximum output current of 4A.
2. TPS61180RNWR: A related IC with an adjustable switching frequency for further customization.
3. TPS61181RNWR: Offers additional features like synchronization capability and external clock input.

These alternative models provide similar functionality to the TPS61178RNWR while offering specific advantages based on individual application requirements.

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