Texas Instruments
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TPS61140DRCRG4
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TPS61140DRCRG4

Product Overview

Category

The TPS61140DRCRG4 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 TPS61140DRCRG4 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 efficiency.

Package

The TPS61140DRCRG4 is available 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 TPS61140DRCRG4 lies in its ability to efficiently manage power supply voltages, enabling optimal performance and energy conservation in electronic devices.

Packaging/Quantity

The TPS61140DRCRG4 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: 1.2A
  • Switching Frequency: Up to 2MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPS61140DRCRG4 features the following pin configuration:

  1. VIN: Input voltage pin
  2. EN: Enable pin for turning the IC on/off
  3. FB: Feedback pin for regulating the output voltage
  4. GND: Ground reference pin
  5. LX: Switching node pin for connecting an external inductor
  6. SW: Switching node pin for connecting an external switch
  7. VOUT: Output voltage pin
  8. PGND: Power ground reference pin

Functional Features

  • Wide Input Voltage Range: The TPS61140DRCRG4 can handle a wide range of input voltages, allowing it to be used in various power supply systems.
  • Adjustable Output Voltage: The IC provides flexibility by allowing users to adjust the output voltage according to their specific requirements.
  • High Efficiency: With its high conversion efficiency, the TPS61140DRCRG4 minimizes power loss during voltage regulation, contributing to energy savings.
  • Protection Mechanisms: This IC incorporates protection features such as overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown to ensure safe operation.

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings.
  • Wide input voltage range enables versatile applications.
  • Adjustable output voltage provides flexibility.
  • Incorporates protection mechanisms for safe operation.

Disadvantages

  • Limited maximum output current may restrict usage in high-power applications.
  • Requires external components (inductor, switch) for operation.

Working Principles

The TPS61140DRCRG4 operates based on a boost converter topology. It takes an input voltage from the VIN pin, which is then boosted to a higher output voltage level using an external inductor and switch connected to the LX and SW pins, respectively. The feedback mechanism through the FB pin ensures the output voltage remains within the desired range.

Detailed Application Field Plans

The TPS61140DRCRG4 finds applications 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

Detailed and Complete Alternative Models

  1. TPS61141DRCRG4: Similar to the TPS61140DRCRG4, but with a higher maximum output current of 1.5A.
  2. TPS61142DRCRG4: Offers similar features as the TPS61140DRCRG4, but with an extended input voltage range up to 24V.
  3. TPS61143DRCRG4: Provides enhanced efficiency compared to the TPS61140DRCRG4, suitable for power-sensitive applications.

These alternative models offer similar functionality while catering to specific requirements or constraints in different applications.

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Énumérez 10 questions et réponses courantes liées à l'application de TPS61140DRCRG4 dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of TPS61140DRCRG4 in technical solutions:

  1. Q: What is the TPS61140DRCRG4? A: The TPS61140DRCRG4 is a boost converter IC (integrated circuit) designed for driving white LEDs in series.

  2. Q: What is the input voltage range of TPS61140DRCRG4? A: The input voltage range of TPS61140DRCRG4 is typically between 2.7V and 18V.

  3. Q: What is the maximum output current of TPS61140DRCRG4? A: The maximum output current of TPS61140DRCRG4 is typically 1.2A.

  4. Q: Can TPS61140DRCRG4 be used to drive RGB LEDs? A: No, TPS61140DRCRG4 is specifically designed for driving white LEDs in series and may not be suitable for RGB LEDs.

  5. Q: Does TPS61140DRCRG4 have built-in over-temperature protection? A: Yes, TPS61140DRCRG4 has built-in thermal shutdown protection to prevent overheating.

  6. Q: Can TPS61140DRCRG4 operate in a dimming mode? A: Yes, TPS61140DRCRG4 supports PWM (Pulse Width Modulation) dimming control.

  7. Q: What is the typical efficiency of TPS61140DRCRG4? A: The typical efficiency of TPS61140DRCRG4 is around 90%.

  8. Q: Is TPS61140DRCRG4 suitable for battery-powered applications? A: Yes, TPS61140DRCRG4 has a low quiescent current and can be used in battery-powered applications.

  9. Q: Can TPS61140DRCRG4 operate in a wide temperature range? A: Yes, TPS61140DRCRG4 is designed to operate in a temperature range of -40°C to 85°C.

  10. Q: What package does TPS61140DRCRG4 come in? A: TPS61140DRCRG4 is available in a 10-pin VSON (Very Small Outline No-Lead) package.

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