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TPS61161DRVT
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TPS61161DRVT

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: LED Driver
  • Characteristics: High Efficiency, Adjustable Brightness, Wide Input Voltage Range
  • Package: 6-Pin SOT-23
  • Essence: Boost Converter
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.7V to 18V
  • Output Voltage Range: Up to 38V
  • Maximum Output Current: 1A
  • Switching Frequency: 1.2MHz
  • Dimming Control: PWM or Analog
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for output voltage regulation
  4. EN: Enable pin for turning the device on/off
  5. DIM: Dimming control pin for adjusting brightness
  6. SW: Switching node pin for connecting inductor and diode

Functional Features

  • High efficiency boost converter for driving LEDs
  • Adjustable brightness through dimming control
  • Wide input voltage range allows for versatile applications
  • Internal soft-start function for controlled startup
  • Over-temperature protection and over-current protection
  • Under-voltage lockout for reliable operation

Advantages

  • Compact package size enables space-saving designs
  • High efficiency minimizes power loss and extends battery life
  • Wide input voltage range accommodates various power sources
  • Flexible dimming control options for customized lighting effects
  • Robust protection features ensure safe and reliable operation

Disadvantages

  • Limited maximum output current may restrict high-power LED applications
  • Requires external components such as inductors and capacitors for operation
  • Not suitable for applications requiring constant current drive

Working Principles

The TPS61161DRVT is a boost converter IC designed specifically for driving LEDs. It operates by converting a lower input voltage to a higher output voltage required for LED operation. The boost converter topology allows efficient power transfer while maintaining adjustable brightness through dimming control. The device utilizes pulse width modulation (PWM) or analog dimming techniques to regulate the LED brightness according to the desired level.

Detailed Application Field Plans

The TPS61161DRVT LED driver IC finds applications in various fields, including: 1. Portable electronic devices: Provides efficient LED backlighting for smartphones, tablets, and portable gaming consoles. 2. Automotive lighting: Enables energy-efficient and adjustable brightness for interior and exterior LED lighting systems in vehicles. 3. Industrial displays: Drives LED backlights in industrial control panels, instrumentation displays, and ruggedized equipment. 4. General lighting: Suitable for low-power LED lighting applications such as decorative lighting, signage, and small area illumination.

Detailed and Complete Alternative Models

  • TPS61160DRVT: Similar specifications and features, but with a different package (8-Pin SOIC)
  • TPS61162DRVT: Higher maximum output current (1.5A), suitable for high-power LED applications
  • TPS61163DRVT: Lower maximum output current (500mA), suitable for low-power LED applications

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技術ソリューションにおける TPS61161DRVT の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of TPS61161DRVT:

  1. Q: What is TPS61161DRVT? A: TPS61161DRVT is a boost converter IC (integrated circuit) that is commonly used in technical solutions to efficiently step up voltage levels.

  2. Q: What is the input voltage range of TPS61161DRVT? A: The input voltage range of TPS61161DRVT is typically between 2.7V and 18V.

  3. Q: What is the output voltage range of TPS61161DRVT? A: The output voltage range of TPS61161DRVT can be adjusted from 4V to 26V.

  4. Q: What is the maximum output current of TPS61161DRVT? A: The maximum output current of TPS61161DRVT is typically around 1A.

  5. Q: Can TPS61161DRVT operate in both step-up and step-down modes? A: No, TPS61161DRVT is specifically designed for step-up (boost) applications only.

  6. Q: Does TPS61161DRVT have built-in protection features? A: Yes, TPS61161DRVT includes various protection features such as over-temperature protection, over-current protection, and under-voltage lockout.

  7. Q: What is the efficiency of TPS61161DRVT? A: The efficiency of TPS61161DRVT can reach up to 90% depending on the input and output voltage levels.

  8. Q: Can TPS61161DRVT be used in battery-powered applications? A: Yes, TPS61161DRVT is suitable for battery-powered applications as it has a low quiescent current and can operate with low input voltages.

  9. Q: Does TPS61161DRVT require external components for operation? A: Yes, TPS61161DRVT requires external components such as inductors, capacitors, and resistors to form a complete boost converter circuit.

  10. Q: What are some typical applications of TPS61161DRVT? A: TPS61161DRVT is commonly used in applications such as LED backlighting for LCD displays, portable devices, automotive lighting, and general-purpose voltage boosting applications.

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