Texas Instruments
Bild kan vara representation.
Se specifikationer för produktinformation.
TPS2514ADBVT
Visa detalj Datablad

TPS2514ADBVT

Product Overview

Category

The TPS2514ADBVT belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for USB charging applications, providing a comprehensive solution for managing power delivery in USB ports.

Characteristics

  • The TPS2514ADBVT is designed to comply with the USB Battery Charging Specification 1.2.
  • It supports both USB Dedicated Charging Port (DCP) and Charging Downstream Port (CDP) modes.
  • This IC integrates various features such as current limiting, thermal shutdown, and overvoltage protection.
  • It offers high accuracy in current sensing and voltage regulation.

Package

The TPS2514ADBVT is available in a small SOT-23 package, which allows for easy integration into compact electronic devices.

Essence

The essence of the TPS2514ADBVT lies in its ability to efficiently manage power delivery in USB charging applications, ensuring safe and reliable charging for connected devices.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specified quantity of TPS2514ADBVT ICs. The exact quantity per reel may vary depending on the manufacturer's specifications.

Specifications

  • Input Voltage Range: 3.5V to 6.5V
  • Output Voltage Range: 4.2V to 5.5V
  • Operating Temperature Range: -40°C to 85°C
  • Maximum Output Current: 1.5A
  • Quiescent Current: 100µA (typical)

Detailed Pin Configuration

The TPS2514ADBVT has the following pin configuration:

  1. VBUS: USB Bus Voltage Input
  2. D+: USB Data Line Positive
  3. D-: USB Data Line Negative
  4. GND: Ground
  5. EN: Enable Pin
  6. ILIM: Current Limit Setting

Functional Features

  • USB Battery Charging Specification 1.2 compliance
  • Automatic detection of USB DCP and CDP modes
  • Integrated current limiting for safe charging
  • Overvoltage protection to safeguard connected devices
  • Thermal shutdown protection to prevent overheating

Advantages and Disadvantages

Advantages

  • Comprehensive solution for USB charging applications
  • High accuracy in current sensing and voltage regulation
  • Compact package for easy integration
  • Supports both USB DCP and CDP modes

Disadvantages

  • Limited maximum output current (1.5A)
  • Operating temperature range may not be suitable for extreme environments

Working Principles

The TPS2514ADBVT operates by monitoring the USB data lines (D+ and D-) to detect the connected device's charging capability. It then adjusts the charging current accordingly, ensuring optimal and safe charging. The integrated current limiting, overvoltage protection, and thermal shutdown features further enhance the safety and reliability of the charging process.

Detailed Application Field Plans

The TPS2514ADBVT is widely used in various USB charging applications, including but not limited to: - Mobile phones and smartphones - Tablets and portable devices - Power banks and battery chargers - Automotive charging systems - Industrial equipment with USB charging capabilities

Detailed and Complete Alternative Models

  • TPS2513ADBVR: Similar functionality with a lower maximum output current of 1A.
  • TPS2510ADBVR: Basic USB charging port controller without current limiting or overvoltage protection features.
  • TPS2546RTER: USB charging port controller with additional USB switch functionality.

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

Word count: 524 words

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TPS2514ADBVT i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TPS2514ADBVT in technical solutions:

  1. Q: What is TPS2514ADBVT? A: TPS2514ADBVT is a USB charging port controller with integrated power switch, which provides various features for charging applications.

  2. Q: What is the input voltage range supported by TPS2514ADBVT? A: TPS2514ADBVT supports an input voltage range from 3.5V to 24V.

  3. Q: Can TPS2514ADBVT support fast charging protocols like Quick Charge or USB Power Delivery? A: No, TPS2514ADBVT does not support fast charging protocols. It is designed for standard USB charging applications.

  4. Q: How many USB ports can be controlled by TPS2514ADBVT? A: TPS2514ADBVT can control up to four USB ports simultaneously.

  5. Q: Does TPS2514ADBVT provide overcurrent protection? A: Yes, TPS2514ADBVT provides overcurrent protection for each USB port, ensuring safe charging operations.

  6. Q: Can TPS2514ADBVT detect the connected device's charging capability? A: Yes, TPS2514ADBVT has built-in detection mechanisms to identify the connected device's charging capability.

  7. Q: What is the maximum output current per USB port supported by TPS2514ADBVT? A: TPS2514ADBVT can provide a maximum output current of 2.4A per USB port.

  8. Q: Is TPS2514ADBVT compatible with both USB 2.0 and USB 3.0 standards? A: Yes, TPS2514ADBVT is compatible with both USB 2.0 and USB 3.0 standards.

  9. Q: Can TPS2514ADBVT operate in a low-power mode when no devices are connected? A: Yes, TPS2514ADBVT has a low-power mode that reduces power consumption when no devices are connected.

  10. Q: What is the package type of TPS2514ADBVT? A: TPS2514ADBVT is available in a small SOT-23-6 package, which is suitable for space-constrained applications.

Please note that these answers are based on general information about TPS2514ADBVT and may vary depending on specific implementation details.