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TPS651851RSLR

TPS651851RSLR

Product Overview

Category

The TPS651851RSLR belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is primarily used for generating and regulating the power supply required by various electronic devices, such as smartphones, tablets, and portable media players.

Characteristics

  • High efficiency: The TPS651851RSLR offers high conversion efficiency, ensuring optimal power utilization.
  • Wide input voltage range: It can accept a wide range of input voltages, making it suitable for diverse applications.
  • Low quiescent current: The IC has a low quiescent current, minimizing power consumption during standby or idle modes.
  • Overvoltage and overcurrent protection: It incorporates built-in protection mechanisms to safeguard against voltage spikes and excessive current flow.
  • Small form factor: The TPS651851RSLR is available in a compact package, enabling space-efficient integration into electronic devices.

Package

The TPS651851RSLR is packaged in a small outline integrated circuit (SOIC) package, which provides mechanical protection and facilitates easy soldering onto printed circuit boards (PCBs).

Essence

The essence of the TPS651851RSLR lies in its ability to efficiently convert and regulate power supply voltages, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

The TPS651851RSLR is typically supplied in reels containing a specified quantity of ICs. The exact quantity per reel may vary depending on the manufacturer's specifications.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: Adjustable from 1.8V to 5.5V
  • Maximum Output Current: 200mA
  • Quiescent Current: 50µA (typical)
  • Operating Temperature Range: -40°C to 85°C
  • Package Type: SOIC-8

Detailed Pin Configuration

The TPS651851RSLR features an 8-pin configuration, as follows:

  1. VIN: Input voltage pin
  2. GND: Ground reference pin
  3. EN: Enable pin for controlling the IC's operation
  4. VCOM: Common voltage output pin
  5. VPOS: Positive voltage output pin
  6. VNEG: Negative voltage output pin
  7. FB: Feedback pin for regulating the output voltage
  8. NC: No connection pin (not internally connected)

Functional Features

  • Voltage regulation: The TPS651851RSLR provides stable and adjustable output voltages, ensuring proper functioning of electronic devices.
  • Power efficiency: It offers high conversion efficiency, minimizing power losses during voltage conversion.
  • Protection mechanisms: The IC incorporates overvoltage and overcurrent protection, safeguarding against potential damage to the device or connected components.
  • Low quiescent current: The low quiescent current ensures minimal power consumption during standby or idle modes.

Advantages and Disadvantages

Advantages

  • High conversion efficiency leads to optimal power utilization.
  • Wide input voltage range allows for versatile applications.
  • Compact package facilitates space-efficient integration.
  • Built-in protection mechanisms enhance device reliability.

Disadvantages

  • Limited maximum output current may restrict usage in high-power applications.
  • Requires external components for complete power management solutions.

Working Principles

The TPS651851RSLR operates based on a switching regulator topology. It utilizes internal control circuitry to regulate the input voltage and generate the desired output voltage levels. By employing pulse-width modulation (PWM) techniques, it achieves efficient power conversion while maintaining voltage stability.

Detailed Application Field Plans

The TPS651851RSLR finds application in various electronic devices that require regulated power supplies. Some potential application fields include: - Smartphones and tablets - Portable media players - Wearable devices - Digital cameras - Handheld gaming consoles

Detailed and Complete Alternative Models

  1. TPS651850RSLR: Similar to the TPS651851RSLR, but with a lower maximum output current of 100mA.
  2. TPS651852RSLR: Similar to the TPS651851RSLR, but with a higher maximum output current of 300mA.
  3. TPS651853RSLR: Similar to the TPS651851RSLR, but with additional features such as adjustable switching frequency.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TPS651851RSLR i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TPS651851RSLR in technical solutions:

  1. Q: What is TPS651851RSLR? A: TPS651851RSLR is a voltage regulator and driver IC designed for small-sized LCD displays.

  2. Q: What is the input voltage range of TPS651851RSLR? A: The input voltage range of TPS651851RSLR is typically between 2.7V and 5.5V.

  3. Q: What is the output voltage range of TPS651851RSLR? A: The output voltage range of TPS651851RSLR can be adjusted from -4V to -20V.

  4. Q: Can TPS651851RSLR be used with different display sizes? A: Yes, TPS651851RSLR is suitable for various display sizes, including small-sized LCD panels.

  5. Q: Does TPS651851RSLR have built-in protection features? A: Yes, TPS651851RSLR includes overvoltage protection, thermal shutdown, and short-circuit protection.

  6. Q: What is the maximum current output of TPS651851RSLR? A: TPS651851RSLR can provide a maximum current output of up to 200mA.

  7. Q: Can TPS651851RSLR operate in low-power mode? A: Yes, TPS651851RSLR has a low-power mode that reduces power consumption when the display is not active.

  8. Q: Is TPS651851RSLR compatible with I2C interface? A: Yes, TPS651851RSLR supports I2C interface for easy control and configuration.

  9. Q: Can TPS651851RSLR be used in battery-powered devices? A: Yes, TPS651851RSLR's low-power mode and wide input voltage range make it suitable for battery-powered applications.

  10. Q: Are there any application notes or reference designs available for TPS651851RSLR? A: Yes, Texas Instruments provides application notes and reference designs to help with the implementation of TPS651851RSLR in various technical solutions.

Please note that these answers are general and may vary depending on the specific requirements and use cases. It is always recommended to refer to the datasheet and documentation provided by the manufacturer for accurate information.