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TPS61251DSGT
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TPS61251DSGT

Product Overview

Category

The TPS61251DSGT belongs to the category of voltage regulators.

Use

It is primarily used for boosting and regulating voltage levels in electronic circuits.

Characteristics

  • High efficiency
  • Low quiescent current
  • Wide input voltage range
  • Adjustable output voltage
  • Small package size

Package

The TPS61251DSGT is available in a small 10-pin VSON package.

Essence

The essence of the TPS61251DSGT lies in its ability to efficiently boost and regulate voltage levels, making it suitable for various applications.

Packaging/Quantity

The TPS61251DSGT is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

  • Input Voltage Range: 2.3V to 5.5V
  • Output Voltage Range: 1.8V to 5.5V
  • Maximum Output Current: 1A
  • Quiescent Current: 17µA (typical)
  • Switching Frequency: 1.2MHz (typical)

Detailed Pin Configuration

The TPS61251DSGT has the following pin configuration:

  1. EN (Enable)
  2. PG (Power Good)
  3. FB (Feedback)
  4. GND (Ground)
  5. SW (Switch)
  6. LX (Inductor Connection)
  7. VIN (Input Voltage)
  8. VIN (Input Voltage)
  9. VOUT (Output Voltage)
  10. VOUT (Output Voltage)

Functional Features

  • Automatic PFM/PWM mode switching
  • Soft start and soft stop
  • Overcurrent protection
  • Thermal shutdown protection
  • Undervoltage lockout

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption
  • Wide input voltage range allows for versatile applications
  • Small package size enables space-saving designs

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Higher cost compared to some alternative models

Working Principles

The TPS61251DSGT operates by converting the input voltage to a higher regulated output voltage using a boost converter topology. It employs pulse frequency modulation (PFM) and pulse width modulation (PWM) modes to achieve high efficiency and low quiescent current.

Detailed Application Field Plans

The TPS61251DSGT finds applications in various fields, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Wearable devices - Wireless communication systems

Detailed and Complete Alternative Models

  1. TPS61250DSGT
  2. TPS61252DSGT
  3. TPS61253DSGT
  4. TPS61254DSGT
  5. TPS61255DSGT

These alternative models offer similar functionality and characteristics to the TPS61251DSGT, providing options for different requirements and specifications.

In conclusion, the TPS61251DSGT is a voltage regulator that offers high efficiency, wide input voltage range, and adjustable output voltage. Its small package size makes it suitable for space-constrained designs. However, its limited maximum output current and relatively higher cost should be considered when selecting an appropriate model. The TPS61251DSGT finds applications in battery-powered devices, portable electronics, IoT devices, wearable devices, and wireless communication systems. Additionally, alternative models such as the TPS61250DSGT, TPS61252DSGT, TPS61253DSGT, TPS61254DSGT, and TPS61255DSGT can be considered based on specific requirements.

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan TPS61251DSGT dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of TPS61251DSGT in technical solutions:

  1. Q: What is the TPS61251DSGT? A: The TPS61251DSGT is a high-efficiency, low-quiescent current boost converter designed for battery-powered applications.

  2. Q: What is the input voltage range of the TPS61251DSGT? A: The TPS61251DSGT has an input voltage range of 0.3V to 5.5V.

  3. Q: What is the output voltage range of the TPS61251DSGT? A: The TPS61251DSGT can provide an adjustable output voltage range from 1.8V to 5.5V.

  4. Q: What is the maximum output current of the TPS61251DSGT? A: The TPS61251DSGT can deliver a maximum output current of 1A.

  5. Q: Can the TPS61251DSGT operate in a low-power mode? A: Yes, the TPS61251DSGT features a low-power mode that reduces the quiescent current to extend battery life.

  6. Q: Is the TPS61251DSGT suitable for use with lithium-ion batteries? A: Yes, the TPS61251DSGT is compatible with lithium-ion batteries and other similar chemistries.

  7. Q: Does the TPS61251DSGT have built-in protection features? A: Yes, the TPS61251DSGT includes overcurrent protection, thermal shutdown, and undervoltage lockout to ensure safe operation.

  8. Q: Can the TPS61251DSGT be used in automotive applications? A: Yes, the TPS61251DSGT is designed to meet automotive requirements and can be used in various automotive applications.

  9. Q: What is the efficiency of the TPS61251DSGT? A: The TPS61251DSGT has a high efficiency of up to 95% to minimize power loss.

  10. Q: Are there any evaluation modules or reference designs available for the TPS61251DSGT? A: Yes, Texas Instruments provides evaluation modules and reference designs that can help with the implementation of the TPS61251DSGT in different applications.

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