Texas Instruments
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
TPS51117PWR
詳細を表示 DataSheets

TPS51117PWR

Product Overview

Category

The TPS51117PWR belongs to the category of power management integrated circuits (PMICs).

Use

This PMIC is commonly used in electronic devices to regulate and control power supply.

Characteristics

  • High efficiency voltage regulator
  • Integrated synchronous buck controller
  • Wide input voltage range
  • Low dropout voltage
  • Overcurrent protection
  • Thermal shutdown protection

Package

The TPS51117PWR is available in a small outline package (SOP) with a thermal pad for enhanced heat dissipation.

Essence

The essence of the TPS51117PWR lies in its ability to efficiently regulate and control power supply, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

The TPS51117PWR is typically packaged in reels, containing a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 0.6V to 5.5V
  • Maximum Output Current: 3A
  • Operating Temperature Range: -40°C to 85°C
  • Efficiency: Up to 95%

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. VSENSE: Current sense pin
  6. PG: Power good indicator pin
  7. BOOT: Bootstrap capacitor pin
  8. SW: Switching node pin

Functional Features

  • Integrated synchronous buck controller for high efficiency
  • Adaptive on-time control for improved transient response
  • Adjustable output voltage through external resistors
  • Overcurrent protection prevents damage to the device and load
  • Thermal shutdown protection safeguards against overheating

Advantages and Disadvantages

Advantages

  • High efficiency operation reduces power dissipation
  • Wide input voltage range allows for versatile applications
  • Compact package with thermal pad enhances heat dissipation
  • Overcurrent and thermal protection ensure device and load safety

Disadvantages

  • Limited maximum output current of 3A may not be suitable for high-power applications
  • Requires external resistors for output voltage adjustment

Working Principles

The TPS51117PWR operates as a synchronous buck controller, converting the input voltage to a regulated output voltage. It utilizes adaptive on-time control to optimize transient response and efficiency. The device continuously monitors the output voltage and adjusts the duty cycle accordingly. Overcurrent and thermal protection mechanisms safeguard the device and load from potential damage.

Detailed Application Field Plans

The TPS51117PWR finds extensive application in various electronic devices, including but not limited to: - Laptops and notebooks - Desktop computers - Servers - Industrial equipment - Telecommunications devices

Detailed and Complete Alternative Models

  1. TPS51116PWR: Similar to TPS51117PWR, but with a lower maximum output current of 2A.
  2. TPS51118PWR: Similar to TPS51117PWR, but with a higher maximum output current of 4A.
  3. TPS51119PWR: Similar to TPS51117PWR, but with additional features such as adjustable soft-start and power sequencing capabilities.

These alternative models provide options with varying specifications to cater to different application requirements.

Word count: 409 words

技術ソリューションにおける TPS51117PWR 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 TPS51117PWR in technical solutions:

  1. Q: What is TPS51117PWR? A: TPS51117PWR is a synchronous buck controller IC used for voltage regulation in various electronic devices.

  2. Q: What is the input voltage range supported by TPS51117PWR? A: TPS51117PWR supports an input voltage range from 4.5V to 18V.

  3. Q: What is the output voltage range that can be achieved using TPS51117PWR? A: The output voltage range of TPS51117PWR can be adjusted from 0.6V to 5.5V.

  4. Q: What is the maximum output current that TPS51117PWR can handle? A: TPS51117PWR can handle a maximum output current of up to 15A.

  5. Q: Can TPS51117PWR be used in battery-powered applications? A: Yes, TPS51117PWR can be used in battery-powered applications as it supports a wide input voltage range.

  6. Q: Does TPS51117PWR have built-in protection features? A: Yes, TPS51117PWR has built-in protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.

  7. Q: Can TPS51117PWR be used in automotive applications? A: Yes, TPS51117PWR is suitable for automotive applications as it can operate in a wide temperature range (-40°C to 125°C).

  8. Q: Is TPS51117PWR easy to integrate into existing designs? A: Yes, TPS51117PWR is available in a small form factor package and requires minimal external components, making it easy to integrate into existing designs.

  9. Q: Can TPS51117PWR be used for both step-up and step-down voltage regulation? A: No, TPS51117PWR is specifically designed for step-down (buck) voltage regulation applications.

  10. Q: What are some typical applications of TPS51117PWR? A: TPS51117PWR is commonly used in various electronic devices such as laptops, tablets, gaming consoles, and industrial equipment for efficient power management.

Please note that these answers are general and may vary depending on the specific requirements and use cases.