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TPS2546RTET
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TPS2546RTET - English Editing Encyclopedia Entry

Product Overview

Category

The TPS2546RTET belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for managing power in electronic devices, particularly in applications where USB charging is required.

Characteristics

  • The TPS2546RTET is a highly efficient power management IC.
  • It supports USB charging with various features and protections.
  • It offers multiple charging modes and can handle different input and output voltage levels.
  • This IC is designed to provide reliable and safe charging solutions.

Package and Quantity

The TPS2546RTET is available in a small package, typically a 24-pin QFN (Quad Flat No-Lead) package. It is sold individually or in reels containing a specific quantity, usually 250 or 300 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 20V
  • Output Voltage Range: 3.3V to 12V
  • Maximum Output Current: 2.4A
  • Operating Temperature Range: -40°C to +85°C
  • Integrated Protections: Overvoltage, Overcurrent, Overtemperature, Short Circuit

Pin Configuration

The TPS2546RTET has a total of 24 pins, each serving a specific function. Here is a detailed pin configuration:

  1. VBUS: Input voltage from the USB source
  2. D+/-: USB data lines
  3. GND: Ground reference
  4. EN: Enable pin for controlling the IC's operation
  5. PGND: Power ground reference
  6. VCONN: Voltage supply for USB Type-C connector
  7. CC1/CC2: Configuration channel pins for USB Type-C
  8. SDA/SCL: I2C communication pins for configuration
  9. INT: Interrupt pin for signaling events
  10. VOUT: Output voltage for charging the device 11-24. NC: No connection pins

Functional Features

The TPS2546RTET offers several functional features that enhance its performance and usability:

  1. USB Charging Modes: Supports various charging modes, including BC1.2, Apple, and Chinese Telecom Standards.
  2. Dynamic Voltage Scaling: Adjusts the output voltage based on the connected device's requirements.
  3. Fast Charging: Provides high current output for faster charging times.
  4. Thermal Protection: Monitors the IC's temperature and prevents overheating.
  5. Fault Detection: Detects and protects against overvoltage, overcurrent, and short circuit conditions.

Advantages and Disadvantages

Advantages

  • Versatile charging modes support compatibility with a wide range of devices.
  • Efficient power management ensures optimal charging performance.
  • Integrated protections safeguard both the device being charged and the IC itself.
  • Small package size allows for space-saving designs in electronic devices.

Disadvantages

  • Limited output current may not be suitable for certain power-hungry devices.
  • Requires additional external components for complete functionality.
  • Relatively higher cost compared to simpler charging solutions.

Working Principles

The TPS2546RTET operates by receiving an input voltage from a USB source (VBUS) and regulating it to provide a stable output voltage (VOUT) for charging the connected device. It utilizes internal circuitry to monitor and control the charging process, ensuring safe and efficient power delivery. The IC incorporates various protection mechanisms to prevent damage to the device or the IC itself in case of faults or abnormal conditions.

Application Field Plans

The TPS2546RTET finds applications in a wide range of electronic devices that require USB charging capabilities. Some potential application fields include: - Mobile phones and smartphones - Tablets and laptops - Portable gaming devices - Wearable devices (smartwatches, fitness trackers) - Bluetooth speakers and headphones - Digital cameras and camcorders

Alternative Models

For those seeking alternative options, here are some detailed and complete models that can be considered: 1. TPS2547RTET: Similar to TPS2546RTET with additional features like USB Type-C support. 2. TPS2513RTET: A lower-cost alternative with basic charging capabilities. 3. TPS2514RTET: Offers higher output current for faster charging.

These alternative models provide different features and specifications, allowing users to choose the most suitable option based on their specific requirements.

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Énumérez 10 questions et réponses courantes liées à l'application de TPS2546RTET dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of TPS2546RTET in technical solutions:

  1. Q: What is TPS2546RTET? A: TPS2546RTET is a USB charging port controller with integrated power switch, which provides a complete solution for charging multiple devices simultaneously.

  2. Q: What are the key features of TPS2546RTET? A: The key features of TPS2546RTET include overcurrent protection, thermal shutdown, input voltage range of 4V to 28V, and support for USB BC1.2 and USB-IF CDP charging protocols.

  3. Q: How many devices can be charged simultaneously using TPS2546RTET? A: TPS2546RTET supports up to four devices to be charged simultaneously.

  4. Q: Can TPS2546RTET charge different devices with different charging protocols? A: Yes, TPS2546RTET is designed to support various charging protocols like USB BC1.2 and USB-IF CDP, allowing it to charge different devices with different protocols simultaneously.

  5. Q: Does TPS2546RTET provide overcurrent protection? A: Yes, TPS2546RTET has built-in overcurrent protection to prevent damage to the connected devices in case of excessive current flow.

  6. Q: What is the input voltage range supported by TPS2546RTET? A: TPS2546RTET supports an input voltage range of 4V to 28V, making it compatible with a wide range of power sources.

  7. Q: Can TPS2546RTET handle high-power devices? A: Yes, TPS2546RTET is capable of handling high-power devices as it supports charging currents up to 3A per port.

  8. Q: Does TPS2546RTET have thermal shutdown protection? A: Yes, TPS2546RTET has a built-in thermal shutdown feature that protects the device from overheating.

  9. Q: Can TPS2546RTET be used in automotive applications? A: Yes, TPS2546RTET is suitable for automotive applications as it can operate within the required temperature range and has automotive-grade reliability.

  10. Q: What are the typical applications of TPS2546RTET? A: TPS2546RTET is commonly used in various technical solutions such as USB charging hubs, docking stations, car chargers, and power banks.

Please note that these answers are general and may vary depending on the specific implementation and requirements of the technical solution.