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TPS2511DGN
Product Overview
Category
The TPS2511DGN belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.
Use
The TPS2511DGN is primarily used for USB charging applications. It is designed to provide a complete solution for charging portable devices such as smartphones, tablets, and other USB-powered devices.
Characteristics
- The TPS2511DGN integrates various features required for USB charging, including current limiting, voltage regulation, and detection of device connection.
- It supports both USB Battery Charging Specification 1.2 and Chinese Telecommunication Industry Standard YD/T 1591-2009.
- The device operates with a wide input voltage range, making it suitable for various power sources.
- It offers high efficiency and low power dissipation, ensuring optimal charging performance.
- The TPS2511DGN includes built-in protection features such as overvoltage protection, thermal shutdown, and short-circuit protection.
Package and Quantity
The TPS2511DGN is available in a 8-pin MSOP (DGK) package. It is typically sold in reels or tubes, with a quantity of 2500 units per reel.
Specifications
- Input Voltage Range: 4.5V to 24V
- Output Voltage: 5V ± 5%
- Maximum Output Current: 2.1A
- Operating Temperature Range: -40°C to 85°C
- Quiescent Current: 50µA (typical)
Pin Configuration
The TPS2511DGN has the following pin configuration:
- VBUS: USB Bus Voltage Input
- DCP: Dedicated Charging Port Detection Input
- D+: USB Data Line
- D-: USB Data Line
- GND: Ground
- ILIM: Current Limit Setting Input
- VOUT: Regulated Output Voltage
- VIN: Power Supply Input
Functional Features
- USB Charging Detection: The TPS2511DGN can detect the presence of a USB device and differentiate between standard USB data communication and charging modes.
- Current Limiting: It provides adjustable current limiting to protect the charger and the connected device from excessive current.
- Voltage Regulation: The device ensures a stable output voltage of 5V ± 5% for efficient charging.
- Overvoltage Protection: It includes built-in protection against overvoltage conditions, safeguarding the connected device.
- Thermal Shutdown: The TPS2511DGN incorporates thermal shutdown functionality to prevent overheating during operation.
- Short-Circuit Protection: It offers short-circuit protection to prevent damage to the charger or the connected device in case of a fault.
Advantages and Disadvantages
Advantages
- Comprehensive solution for USB charging applications
- Supports multiple charging standards
- Wide input voltage range for versatile power sources
- High efficiency and low power dissipation
- Built-in protection features for enhanced safety
Disadvantages
- Limited maximum output current (2.1A)
- Requires external components for complete charging circuit implementation
Working Principles
The TPS2511DGN operates by detecting the connection of a USB device through the DCP pin. It then determines the charging mode based on the device's requirements. The device regulates the output voltage to 5V ± 5% and limits the current to the desired level using the ILIM pin. It continuously monitors the charging process and provides necessary protection against overvoltage, thermal issues, and short circuits.
Application Field Plans
The TPS2511DGN is widely used in various USB charging applications, including: - Mobile phones - Tablets - Portable media players - Digital cameras - Bluetooth headsets - GPS devices - Other USB-powered devices
Alternative Models
Some alternative models that offer similar functionality to the TPS2511DGN include: - TPS2513: Offers higher maximum output current (3A) - TPS2514: Provides additional features such as I2C interface for advanced control and monitoring - TPS2515: Supports USB Type-C Power Delivery (PD) specification
These alternative models can be considered based on specific application requirements and desired features.
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10 domande e risposte comuni relative all'applicazione di TPS2511DGN nelle soluzioni tecniche
Sure! Here are 10 common questions and answers related to the application of TPS2511DGN in technical solutions:
Q1: What is TPS2511DGN? A1: TPS2511DGN is a USB charging port controller that provides automatic detection and charging of USB devices.
Q2: What are the key features of TPS2511DGN? A2: The key features of TPS2511DGN include USB BC1.2 compliant charging, short-circuit protection, overcurrent protection, and thermal shutdown.
Q3: How does TPS2511DGN detect USB devices? A3: TPS2511DGN uses data line voltage detection to identify USB devices and determine their charging requirements.
Q4: Can TPS2511DGN charge multiple devices simultaneously? A4: Yes, TPS2511DGN supports simultaneous charging of multiple USB devices.
Q5: What is USB BC1.2 compliant charging? A5: USB BC1.2 (Battery Charging Specification) is a standard that allows for faster charging of compatible devices by negotiating higher charging currents.
Q6: Does TPS2511DGN provide protection against short circuits? A6: Yes, TPS2511DGN has built-in short-circuit protection to prevent damage to the charging circuitry.
Q7: How does TPS2511DGN protect against overcurrent situations? A7: TPS2511DGN monitors the charging current and automatically shuts down if it exceeds a certain threshold, protecting both the device being charged and the charging circuitry.
Q8: What happens if TPS2511DGN overheats during operation? A8: TPS2511DGN has a thermal shutdown feature that activates when the temperature exceeds a safe limit, preventing any damage to the device.
Q9: Can TPS2511DGN be used in automotive applications? A9: Yes, TPS2511DGN is suitable for automotive applications as it can operate within the required temperature range and has protection features for reliable charging.
Q10: What are some typical applications of TPS2511DGN? A10: TPS2511DGN is commonly used in USB charging ports of smartphones, tablets, portable devices, automotive infotainment systems, and other electronic devices that require efficient and safe charging.
Please note that these answers are general and may vary depending on the specific implementation and requirements of the technical solution.