TPS61141DRCRG4

Product Overview

Category

The TPS61141DRCRG4 belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used to regulate and control power supply in various electronic devices, such as smartphones, tablets, portable media players, and other battery-powered devices.

Characteristics

• High efficiency: The TPS61141DRCRG4 offers high conversion efficiency, ensuring optimal power utilization.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for different power sources.
• Adjustable output voltage: The IC allows for adjustable output voltage, providing flexibility in meeting specific device requirements.
• Low quiescent current: It features low quiescent current consumption, contributing to energy efficiency and longer battery life.

Package

The TPS61141DRCRG4 comes in a small outline package (SOIC) with 8 pins. This package type ensures ease of integration into various circuit designs.

Essence

The essence of the TPS61141DRCRG4 lies in its ability to efficiently manage power supply, enabling stable and reliable operation of electronic devices.

Packaging/Quantity

The IC is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 18V
• Output Voltage Range: 1.2V to 15V
• Maximum Output Current: 1A
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The TPS61141DRCRG4 has the following pin configuration:

1. VIN: Input voltage pin
2. EN: Enable pin
3. FB: Feedback pin
4. GND: Ground pin
5. LX: Inductor connection pin
6. SW: Switching node pin
7. VOUT: Output voltage pin
8. PGND: Power ground pin

Functional Features

• Constant current mode: The IC can operate in constant current mode, ensuring a stable output current regardless of load variations.
• Overvoltage protection: It incorporates overvoltage protection to safeguard the connected device from excessive voltage levels.
• Soft start: The TPS61141DRCRG4 features a soft start function, gradually ramping up the output voltage to prevent sudden surges.
• Thermal shutdown: It includes thermal shutdown protection, automatically disabling the IC when the temperature exceeds a safe threshold.

Advantages and Disadvantages

Advantages

• High efficiency leads to improved power utilization.
• Wide input voltage range allows for compatibility with various power sources.
• Adjustable output voltage provides flexibility in meeting device requirements.
• Low quiescent current consumption contributes to energy efficiency.

Disadvantages

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

Working Principles

The TPS61141DRCRG4 operates as a step-up (boost) converter. It takes an input voltage within the specified range and boosts it to a higher output voltage level. This conversion is achieved through a combination of switching elements, inductors, capacitors, and control circuitry. The IC regulates the output voltage by adjusting the duty cycle of the switching elements, ensuring a stable and controlled power supply.

Detailed Application Field Plans

The TPS61141DRCRG4 finds application in various electronic devices that require efficient power management. Some specific application fields include:

1. Mobile Devices: Smartphones, tablets, and portable media players benefit from the IC's ability to optimize power utilization, extending battery life.
2. LED Backlighting: The TPS61141DRCRG4 is suitable for driving LED backlighting in LCD displays, providing consistent and adjustable brightness levels.
3. Industrial Equipment: It can be used in industrial equipment that requires stable power supply, such as control systems, sensors, and communication devices.

Detailed and Complete Alternative Models

1. TPS61140DRCR: Similar to the TPS61141DRCRG4, this IC offers high efficiency and adjustable output voltage. However, it has a lower maximum output current of 500mA.
2. TPS61142DRCRG4: This alternative model provides a higher maximum output current of 1.5A, making it suitable for more demanding applications. It shares similar characteristics and features with the TPS61141DRCRG4.

In conclusion, the TPS61141DRCRG4 is an integrated circuit designed for efficient power management in various electronic devices. Its high efficiency, wide input voltage range, and adjustable output voltage make it a versatile choice for power regulation. While it has limitations in terms of maximum output current and operating temperature range