TPS2511QDGNRQ1 - English Editing Encyclopedia Entry

Product Overview

Category

The TPS2511QDGNRQ1 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 TPS2511QDGNRQ1 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 short-circuit protection, thermal shutdown, and overvoltage protection.
• It offers a high level of accuracy in current limit detection, ensuring safe and efficient charging.

Package

The TPS2511QDGNRQ1 is available in a small 8-pin VSSOP package, which provides compactness and ease of integration into different systems.

Essence

The essence of the TPS2511QDGNRQ1 lies in its ability to efficiently manage power delivery in USB charging applications, ensuring safe and reliable charging for various devices.

Packaging/Quantity

This product is typically supplied in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 5.5V
• Output Voltage Range: 4.75V to 5.25V
• Operating Temperature Range: -40°C to 85°C
• Quiescent Current: 60µA (typical)
• Maximum Output Current: 1.5A

Detailed Pin Configuration

The TPS2511QDGNRQ1 has the following pin configuration:

1. EN (Enable)
2. DCP (Dedicated Charging Port)
3. CDP (Charging Downstream Port)
4. GND (Ground)
5. VBUS (USB Bus Voltage)
6. ID (USB Data Line Identification)
7. DM (USB Data Minus)
8. DP (USB Data Plus)

Functional Features

• USB Battery Charging Specification 1.2 compliance
• Automatic detection and configuration of DCP and CDP modes
• Short-circuit protection to prevent damage to the IC and connected devices
• Thermal shutdown feature to prevent overheating
• Overvoltage protection for safe charging
• Accurate current limit detection for efficient charging

Advantages and Disadvantages

Advantages

• Comprehensive solution for USB charging applications
• High accuracy in current limit detection
• Compact package for easy integration
• Multiple protection features ensure safe charging

Disadvantages

• Limited maximum output current (1.5A)

Working Principles

The TPS2511QDGNRQ1 operates by monitoring the USB data lines and detecting the type of downstream port it is connected to. Based on this detection, it configures itself to operate in either DCP or CDP mode. It then regulates the voltage and current levels to provide optimal charging conditions for the connected device.

Detailed Application Field Plans

The TPS2511QDGNRQ1 finds application in various USB charging scenarios, including: - Mobile phones - Tablets - Portable gaming devices - Bluetooth headsets - Digital cameras - Other portable electronic devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TPS2511QDGNRQ1 include: - TPS2513: Provides additional features such as I2C communication interface and programmable current limit. - TPS2514: Offers higher maximum output current (up to 3A) for charging power-hungry devices. - TPS2515: Supports USB Type-C Power Delivery (PD) specification for advanced charging capabilities.

These alternative models can be considered based on specific application requirements and desired features.

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