TPS2540RTET
Product Overview
Category
The TPS2540RTET 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 distribution in electronic devices. It provides a convenient solution for charging multiple USB devices simultaneously.
Characteristics
- Integrated power switch and USB charging port controller
- Supports USB Battery Charging Specification 1.2
- Overcurrent protection and thermal shutdown features
- Wide input voltage range: 4.5V to 28V
- Adjustable output current limit
- Compact and space-saving package
Package
The TPS2540RTET is available in a small, surface-mount package known as QFN (Quad Flat No-leads). This package offers excellent thermal performance and ease of manufacturing.
Essence
The essence of the TPS2540RTET lies in its ability to efficiently manage power distribution and provide reliable charging capabilities for USB devices.
Packaging/Quantity
The TPS2540RTET is typically sold in reels or tubes, with each reel containing 2500 units. However, it can also be purchased in smaller quantities depending on the requirements of the customer.
Specifications
- Input Voltage Range: 4.5V to 28V
- Output Voltage Range: 4.35V to 5.5V
- Output Current Limit: Adjustable up to 2.5A
- Operating Temperature Range: -40°C to 85°C
- Package Type: QFN-20
Detailed Pin Configuration
The TPS2540RTET has a total of 20 pins. The pin configuration is as follows:
- EN (Enable)
- GND (Ground)
- VBUS (USB Power Input)
- D+ (USB Data Line)
- D- (USB Data Line)
- VOUT (Output Voltage)
- PGND (Power Ground)
- ILIM (Current Limit Setting)
- ISET (Current Sense Input)
- TSD (Thermal Shutdown)
- FAULT (Fault Indicator)
- SDA (I2C Serial Data)
- SCL (I2C Serial Clock)
- NC (No Connection)
- NC (No Connection)
- NC (No Connection)
- NC (No Connection)
- NC (No Connection)
- NC (No Connection)
- VIN (Input Voltage)
Functional Features
- USB Battery Charging Specification 1.2 compliance
- Overcurrent protection for safe charging
- Thermal shutdown to prevent overheating
- Adjustable output current limit for flexibility
- Fault indicator for easy troubleshooting
- I2C interface for advanced control and monitoring capabilities
Advantages and Disadvantages
Advantages
- Efficient power management for USB charging
- Compact package size for space-constrained designs
- Wide input voltage range allows compatibility with various power sources
- Adjustable output current limit offers flexibility in charging different devices
Disadvantages
- Requires additional external components for full functionality
- Limited availability of alternative models with similar features
Working Principles
The TPS2540RTET integrates a power switch and a USB charging port controller. It operates by monitoring the input voltage and current, regulating the output voltage, and controlling the charging process according to the USB Battery Charging Specification 1.2. The device incorporates overcurrent protection and thermal shutdown mechanisms to ensure safe operation.
Detailed Application Field Plans
The TPS2540RTET finds applications in various electronic devices that require USB charging capabilities. Some potential application fields include: - Mobile phones and smartphones - Tablets and laptops - Portable gaming devices - Wearable devices - Power banks
Detailed and Complete Alternative Models
While the TPS2540RTET offers a comprehensive set of features, there are alternative models available in the market that provide similar functionality. Some notable alternatives include: - TPS2541RTET - TPS2542RTET - TPS2543RTET
These alternative models offer variations in terms of input/output voltage ranges, current limits, and package types. It is recommended to review the datasheets of these alternatives to determine the best fit for specific application requirements.
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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi TPS2540RTET dalam penyelesaian teknikal
Sure! Here are 10 common questions and answers related to the application of TPS2540RTET in technical solutions:
Q: What is TPS2540RTET? A: TPS2540RTET is a USB charging port controller with integrated power switch and current sensing for use in various technical solutions.
Q: What are the key features of TPS2540RTET? A: The key features of TPS2540RTET include overcurrent protection, thermal shutdown, adjustable current limit, and support for USB Battery Charging Specification (BC 1.2).
Q: How does TPS2540RTET provide overcurrent protection? A: TPS2540RTET monitors the output current and shuts down the power switch if the current exceeds the set limit, protecting the connected devices.
Q: Can TPS2540RTET be used for fast charging? A: Yes, TPS2540RTET supports USB BC 1.2, which enables fast charging by negotiating higher charging currents with compatible devices.
Q: What is the maximum current limit that can be set with TPS2540RTET? A: TPS2540RTET allows the user to set the current limit up to 2.8A, depending on the system requirements.
Q: Does TPS2540RTET have any built-in thermal protection? A: Yes, TPS2540RTET has a thermal shutdown feature that activates when the device temperature exceeds a certain threshold, preventing overheating.
Q: Can TPS2540RTET be used in automotive applications? A: Yes, TPS2540RTET is designed to operate in automotive environments and can be used in various automotive charging solutions.
Q: Does TPS2540RTET support USB Type-C? A: No, TPS2540RTET does not support USB Type-C. It is primarily designed for USB Type-A applications.
Q: Can TPS2540RTET be used in battery-powered devices? A: Yes, TPS2540RTET can be used in battery-powered devices as it efficiently manages the charging process and protects the battery from overcurrent.
Q: Is TPS2540RTET compatible with different USB standards? A: Yes, TPS2540RTET is compatible with USB 2.0 and USB 3.0 standards, making it suitable for a wide range of USB charging applications.
Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.