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TPS61220DCKT
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TPS61220DCKT

Product Overview

Category

The TPS61220DCKT belongs to the category of voltage regulators.

Use

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

Characteristics

  • Input Voltage Range: 0.3V to 5.5V
  • Output Voltage Range: 1.8V to 5.5V
  • Maximum Output Current: 1.2A
  • Efficiency: Up to 96%
  • Switching Frequency: 1.2MHz
  • Operating Temperature Range: -40°C to 85°C

Package

The TPS61220DCKT comes in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS61220DCKT lies in its ability to efficiently boost and regulate voltage levels, making it an essential component in various electronic devices.

Packaging/Quantity

The TPS61220DCKT is typically packaged in reels, with 3000 units per reel.

Specifications

  • Input Voltage Range: 0.3V to 5.5V
  • Output Voltage Range: 1.8V to 5.5V
  • Maximum Output Current: 1.2A
  • Quiescent Current: 17µA
  • Switching Frequency: 1.2MHz
  • Efficiency: Up to 96%
  • Shutdown Current: <1µA
  • Operating Temperature Range: -40°C to 85°C
  • Package Type: SOT-23

Detailed Pin Configuration

The TPS61220DCKT has the following pin configuration:

  1. VIN: Input voltage pin.
  2. EN: Enable pin for turning the device on/off.
  3. PGND: Power ground pin.
  4. SW: Switching node pin.
  5. FB: Feedback voltage pin.
  6. VOUT: Output voltage pin.

Functional Features

  • Wide input voltage range allows for compatibility with various power sources.
  • High efficiency ensures minimal power loss during voltage conversion.
  • Low quiescent current enables energy-efficient operation.
  • Integrated overcurrent and thermal protection safeguards the device and connected components.
  • Adjustable output voltage provides flexibility in different applications.
  • Fast transient response ensures stable voltage output during load changes.

Advantages and Disadvantages

Advantages

  • Wide input voltage range allows for versatile use.
  • High efficiency minimizes power dissipation.
  • Small package size suitable for space-constrained applications.
  • Integrated protection features enhance reliability.

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications.
  • Higher switching frequency may introduce additional noise in sensitive circuits.

Working Principles

The TPS61220DCKT operates as a boost converter, utilizing a high-frequency switching regulator to step up the input voltage to a higher output voltage level. It employs a pulse width modulation (PWM) control scheme to regulate the output voltage based on the feedback received from the FB pin. The integrated power MOSFETs efficiently switch the input voltage across an inductor, storing energy during the on-time and releasing it to the output during the off-time. This process allows for efficient voltage conversion while maintaining a stable output voltage.

Detailed Application Field Plans

The TPS61220DCKT finds application in various fields, including:

  1. Portable Electronics: It can be used to power mobile devices, such as smartphones, tablets, and portable media players.
  2. IoT Devices: The TPS61220DCKT is suitable for powering low-power IoT devices, including sensors, wearables, and smart home devices.
  3. Battery-Powered Systems: It can be utilized in battery-powered systems, such as wireless communication devices, remote controls, and handheld instruments.
  4. Automotive Electronics: The TPS61220DCKT can be employed in automotive applications, including infotainment systems, navigation devices, and lighting control modules.

Detailed and Complete Alternative Models

  1. TPS61221DCKR
  2. TPS61222DCKR
  3. TPS61223DCKR
  4. TPS61224DCKR
  5. TPS61225DCKR

These alternative models offer similar functionality and specifications to the TPS61220DCKT, providing options for different design requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TPS61220DCKT v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TPS61220DCKT in technical solutions:

  1. Q: What is TPS61220DCKT? A: TPS61220DCKT is a step-up (boost) DC-DC converter IC manufactured by Texas Instruments.

  2. Q: What is the input voltage range of TPS61220DCKT? A: The input voltage range of TPS61220DCKT is typically between 0.3V and 5.5V.

  3. Q: What is the output voltage range of TPS61220DCKT? A: The output voltage range of TPS61220DCKT can be adjusted from 1.8V to 5.5V.

  4. Q: What is the maximum output current of TPS61220DCKT? A: The maximum output current of TPS61220DCKT is 1.2A.

  5. Q: Can TPS61220DCKT operate in low-power applications? A: Yes, TPS61220DCKT is designed for low-power applications and offers high efficiency even at light loads.

  6. Q: Does TPS61220DCKT have built-in protection features? A: Yes, TPS61220DCKT includes features like thermal shutdown, overcurrent protection, and undervoltage lockout.

  7. Q: Can TPS61220DCKT be used in battery-powered devices? A: Yes, TPS61220DCKT is suitable for battery-powered devices as it has a low quiescent current and supports low input voltages.

  8. Q: What is the switching frequency of TPS61220DCKT? A: The switching frequency of TPS61220DCKT is typically 1.2MHz.

  9. Q: Is TPS61220DCKT compatible with both ceramic and tantalum capacitors? A: Yes, TPS61220DCKT can be used with both ceramic and tantalum capacitors for input and output filtering.

  10. Q: Can TPS61220DCKT be used in automotive applications? A: Yes, TPS61220DCKT is suitable for automotive applications as it meets the AEC-Q100 standard and has a wide operating temperature range.

Please note that these answers are general and may vary depending on specific application requirements and conditions.