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:

1. EN (Enable)
2. GND (Ground)
3. VBUS (USB Power Input)
4. D+ (USB Data Line)
5. D- (USB Data Line)
6. VOUT (Output Voltage)
7. PGND (Power Ground)
8. ILIM (Current Limit Setting)
9. ISET (Current Sense Input)
10. TSD (Thermal Shutdown)
11. FAULT (Fault Indicator)
12. SDA (I2C Serial Data)
13. SCL (I2C Serial Clock)
14. NC (No Connection)
15. NC (No Connection)
16. NC (No Connection)
17. NC (No Connection)
18. NC (No Connection)
19. NC (No Connection)
20. VIN (Input Voltage)

Functional Features

1. USB Battery Charging Specification 1.2 compliance
2. Overcurrent protection for safe charging
3. Thermal shutdown to prevent overheating
4. Adjustable output current limit for flexibility
5. Fault indicator for easy troubleshooting
6. 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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