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TPS61181RTETG4
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TPS61181RTETG4

Product Overview

Category

The TPS61181RTETG4 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 voltages.

Characteristics

  • High efficiency: The TPS61181RTETG4 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 diverse applications.
  • Adjustable output voltage: The IC allows for adjustable output voltage levels, providing flexibility in different scenarios.
  • Low quiescent current: It features low quiescent current consumption, contributing to energy-saving operation.
  • Over-temperature protection: The TPS61181RTETG4 incorporates over-temperature protection mechanisms to prevent damage due to excessive heat.

Package

The TPS61181RTETG4 is available in a small outline package (SOT) with a thermal-enhanced exposed pad. This package ensures efficient heat dissipation and ease of integration into various circuit designs.

Essence

The essence of the TPS61181RTETG4 lies in its ability to efficiently regulate and control power supply voltages, enabling reliable and optimized performance in electronic devices.

Packaging/Quantity

The TPS61181RTETG4 is typically packaged in reels, containing a specified quantity of ICs per reel. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Input Voltage Range: 2.7V to 18V
  • Output Voltage Range: 1.2V to 16V
  • Maximum Output Current: 1.5A
  • Switching Frequency: Up to 2MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPS61181RTETG4 features the following pin configuration:

  1. VIN: Input voltage pin
  2. EN: Enable pin
  3. FB: Feedback pin
  4. VOUT: Output voltage pin
  5. GND: Ground pin
  6. SW: Switching pin

Functional Features

  • High-efficiency step-up (boost) converter
  • Adjustable output voltage through external resistors
  • Soft-start function for controlled power-up
  • Over-temperature protection
  • Under-voltage lockout (UVLO) protection
  • Integrated power MOSFETs for compact design

Advantages and Disadvantages

Advantages

  • High conversion efficiency ensures optimal power utilization.
  • Wide input voltage range allows for versatile applications.
  • Adjustable output voltage provides flexibility in different scenarios.
  • Low quiescent current consumption contributes to energy-saving operation.
  • Over-temperature protection prevents damage due to excessive heat.

Disadvantages

  • Limited maximum output current of 1.5A may not be suitable for high-power applications.
  • The operating temperature range of -40°C to +85°C may restrict usage in extreme environments.

Working Principles

The TPS61181RTETG4 operates as a step-up (boost) converter, converting a lower input voltage to a higher output voltage. It utilizes an internal power MOSFET switch to control the energy transfer from the input to the output. By adjusting the duty cycle of the switch, the IC regulates the output voltage according to the desired level set by the feedback pin.

Detailed Application Field Plans

The TPS61181RTETG4 finds extensive application in various electronic devices, including but not limited to: - Portable electronic devices (e.g., smartphones, tablets) - LED backlighting systems - LCD displays - Battery-powered devices - Automotive electronics - Industrial equipment

Detailed and Complete Alternative Models

  1. TPS61182RTETG4: Similar to the TPS61181RTETG4, but with a higher maximum output current of 2A.
  2. TPS61183RTETG4: A variant with an integrated I2C interface for digital control and monitoring capabilities.
  3. TPS61184RTETG4: Offers additional features such as adjustable switching frequency and synchronization options.

These alternative models provide similar functionality to the TPS61181RTETG4 while offering specific enhancements or additional capabilities based on different application requirements.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi TPS61181RTETG4 dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of TPS61181RTETG4 in technical solutions:

  1. Q: What is TPS61181RTETG4? A: TPS61181RTETG4 is a boost converter IC (integrated circuit) designed for driving white LEDs in series.

  2. Q: What is the input voltage range of TPS61181RTETG4? A: The input voltage range of TPS61181RTETG4 is typically between 2.7V and 18V.

  3. Q: What is the maximum output current of TPS61181RTETG4? A: The maximum output current of TPS61181RTETG4 is typically 30mA.

  4. Q: Can TPS61181RTETG4 be used to drive RGB LEDs? A: No, TPS61181RTETG4 is specifically designed for driving white LEDs and may not be suitable for RGB LEDs.

  5. Q: Does TPS61181RTETG4 have built-in over-temperature protection? A: Yes, TPS61181RTETG4 has built-in thermal shutdown protection to prevent overheating.

  6. Q: What is the typical efficiency of TPS61181RTETG4? A: The typical efficiency of TPS61181RTETG4 is around 85% to 90%.

  7. Q: Can TPS61181RTETG4 operate in dimming mode? A: Yes, TPS61181RTETG4 supports PWM (Pulse Width Modulation) dimming control.

  8. Q: Is TPS61181RTETG4 suitable for battery-powered applications? A: Yes, TPS61181RTETG4 has a low quiescent current and can be used in battery-powered applications.

  9. Q: What is the operating temperature range of TPS61181RTETG4? A: The operating temperature range of TPS61181RTETG4 is typically between -40°C and 85°C.

  10. Q: Can TPS61181RTETG4 be used in automotive applications? A: Yes, TPS61181RTETG4 is qualified for automotive applications and meets the necessary standards.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.