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TPS61187RTJT
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TPS61187RTJT

Product Overview

Category

The TPS61187RTJT 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 TPS61187RTJT offers high conversion efficiency, ensuring minimal power loss during voltage regulation.
  • 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 TPS61187RTJT incorporates over-temperature protection mechanisms to prevent damage due to excessive heat.

Package

The TPS61187RTJT is available in a compact and industry-standard package, such as a small outline transistor (SOT) or a thin quad flat pack (TQFP).

Essence

The essence of the TPS61187RTJT lies in its ability to efficiently regulate power supply voltages, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

Typically, the TPS61187RTJT is supplied in reels or tubes, with a quantity of around 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 2.7V to 18V
  • Output Voltage Range: 1.2V to 15V
  • Maximum Output Current: 1.5A
  • Quiescent Current: 60µA
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The TPS61187RTJT has the following pin configuration:

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

Functional Features

  • Wide input voltage range: The TPS61187RTJT can handle a wide range of input voltages, making it suitable for various power supply scenarios.
  • Adjustable output voltage: It allows for adjustable output voltage levels, providing flexibility to meet different device requirements.
  • High efficiency: The IC offers high conversion efficiency, minimizing power loss during voltage regulation.
  • Over-temperature protection: The TPS61187RTJT incorporates over-temperature protection mechanisms to safeguard against excessive heat.
  • Low quiescent current: It features low quiescent current consumption, contributing to energy-saving operation.

Advantages and Disadvantages

Advantages

  • High efficiency ensures minimal power loss.
  • Wide input voltage range allows for versatile applications.
  • Adjustable output voltage provides flexibility.
  • Over-temperature protection prevents damage due to excessive heat.
  • Low quiescent current contributes to energy-saving operation.

Disadvantages

  • Limited maximum output current (1.5A).

Working Principles

The TPS61187RTJT operates based on a switching regulator topology. It utilizes pulse width modulation (PWM) techniques to regulate the output voltage. By rapidly switching the internal power transistor, it efficiently converts the input voltage to the desired output voltage level. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle of the switching transistor to maintain a stable output.

Detailed Application Field Plans

The TPS61187RTJT finds application in various electronic devices, including but not limited to: - Mobile phones and smartphones - Tablets and laptops - Portable media players - Digital cameras - LED lighting systems - Industrial control systems

Detailed and Complete Alternative Models

  • TPS61188RTJT
  • TPS61189RTJT
  • TPS61186RTJT
  • TPS61185RTJT
  • TPS61184RTJT

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением TPS61187RTJT в технических решениях.

Sure! Here are 10 common questions and answers related to the application of TPS61187RTJT in technical solutions:

  1. Q: What is TPS61187RTJT? A: TPS61187RTJT is a boost converter IC (integrated circuit) designed for driving LEDs in backlighting applications.

  2. Q: What is the input voltage range of TPS61187RTJT? A: The input voltage range of TPS61187RTJT is typically between 2.7V and 18V.

  3. Q: What is the maximum output current of TPS61187RTJT? A: The maximum output current of TPS61187RTJT is typically 30mA.

  4. Q: Can TPS61187RTJT be used for dimming LED backlighting? A: Yes, TPS61187RTJT supports PWM (Pulse Width Modulation) dimming control for LED backlighting.

  5. Q: Does TPS61187RTJT have built-in overvoltage protection? A: Yes, TPS61187RTJT has built-in overvoltage protection to safeguard the LEDs from excessive voltage.

  6. Q: Can TPS61187RTJT operate in a wide temperature range? A: Yes, TPS61187RTJT is designed to operate in a temperature range of -40°C to +85°C.

  7. Q: Is TPS61187RTJT suitable for automotive applications? A: Yes, TPS61187RTJT is AEC-Q100 qualified, making it suitable for automotive lighting applications.

  8. Q: What is the efficiency of TPS61187RTJT? A: The efficiency of TPS61187RTJT can reach up to 90% under typical operating conditions.

  9. Q: Can TPS61187RTJT be used in battery-powered devices? A: Yes, TPS61187RTJT has a low quiescent current and can be used in battery-powered devices to extend battery life.

  10. Q: Does TPS61187RTJT have short-circuit protection? A: Yes, TPS61187RTJT has built-in short-circuit protection to prevent damage to the IC and LEDs in case of a short circuit.

Please note that these answers are general and may vary depending on the specific application and design considerations. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.