TPS2546QRTERQ1 - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: High-Speed USB Charging Controller
Package: 24-VFQFN Exposed Pad
Essence: Efficient and Reliable USB Charging Solution
Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

Input Voltage Range: 4.5V to 28V
Output Voltage Range: 4.2V to 14V
Maximum Output Current: 3A
Operating Temperature Range: -40°C to +85°C
Quiescent Current: 10µA (typical)
Switching Frequency: 2.2MHz (typical)

Detailed Pin Configuration

The TPS2546QRTERQ1 features a 24-pin QFN package with the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | EN | Enable Pin | | 2 | GND | Ground | | 3 | VBUS | USB Bus Voltage Input | | 4 | D+ | USB Data Line Positive | | 5 | D- | USB Data Line Negative | | 6 | ISET | Output Current Limit Setting | | 7 | PG | Power Good Indicator | | 8 | VOUT | Output Voltage | | ... | ... | ... | | 24 | VIN | Input Voltage |

Functional Features

Supports USB Battery Charging Specification Revision 1.2
Integrated USB Detection and Charging Port Control
Automatic Detection of USB Device Attach/Detach
Overvoltage, Overcurrent, and Short-Circuit Protection
Programmable Output Current Limit
Power Good Indicator for Output Voltage Monitoring

Advantages and Disadvantages

Advantages: - High efficiency and reliability in USB charging applications - Compact package size for space-constrained designs - Wide input voltage range allows for versatile usage - Comprehensive protection features ensure safe operation - Programmable output current limit for flexibility

Disadvantages: - Limited maximum output current of 3A may not be suitable for high-power devices - Operating temperature range may restrict usage in extreme environments

Working Principles

The TPS2546QRTERQ1 is a high-speed USB charging controller designed to provide efficient and reliable power management for USB charging applications. It integrates USB detection and charging port control, allowing automatic detection of USB device attachment and detachment. The IC offers overvoltage, overcurrent, and short-circuit protection to safeguard the connected devices.

By programming the output current limit using the ISET pin, the TPS2546QRTERQ1 enables flexibility in charging different devices with varying power requirements. The power good indicator (PG) provides a means to monitor the output voltage, ensuring proper charging conditions.

Detailed Application Field Plans

The TPS2546QRTERQ1 finds application in various fields, including: 1. Mobile Devices: Smartphones, tablets, and portable media players. 2. Wearable Electronics: Smartwatches, fitness trackers, and wireless earbuds. 3. Automotive: In-car charging systems for smartphones and other USB-powered devices. 4. Industrial Equipment: Charging stations for handheld devices used in industrial settings. 5. Home Automation: USB charging ports integrated into smart home devices.

Detailed and Complete Alternative Models

TPS2540QRTERQ1 - Similar USB charging controller with lower output current capability (2.5A).
TPS2547QRTERQ1 - USB charging controller with higher output current capability (4A).
TPS2546QRTER - Non-automotive grade version of TPS2546QRTERQ1.

Note: This is not an exhaustive list, and there may be other alternative models available in the market.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von TPS2546QRTERQ1 in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of TPS2546QRTERQ1 in technical solutions:

1. What is TPS2546QRTERQ1? - TPS2546QRTERQ1 is a USB charging port controller with integrated power switch and access detection.

2. What are the key features of TPS2546QRTERQ1? - Some key features include over-voltage protection, over-current protection, thermal shutdown, and short-circuit protection.

3. How many USB ports can be controlled using TPS2546QRTERQ1? - TPS2546QRTERQ1 can control up to four USB ports simultaneously.

4. What is the input voltage range supported by TPS2546QRTERQ1? - The input voltage range supported by TPS2546QRTERQ1 is typically between 4.5V and 28V.

5. What is the maximum output current per port supported by TPS2546QRTERQ1? - TPS2546QRTERQ1 supports a maximum output current of 2.4A per port.

6. Can TPS2546QRTERQ1 detect the presence of a device connected to a USB port? - Yes, TPS2546QRTERQ1 has built-in access detection capability to detect the presence of a device.

7. Does TPS2546QRTERQ1 support fast charging protocols like Qualcomm Quick Charge? - Yes, TPS2546QRTERQ1 supports various fast charging protocols, including Qualcomm Quick Charge.

8. Is TPS2546QRTERQ1 suitable for automotive applications? - Yes, TPS2546QRTERQ1 is specifically designed for automotive applications and meets the required standards.

9. Can TPS2546QRTERQ1 operate in a wide temperature range? - Yes, TPS2546QRTERQ1 is designed to operate reliably in a wide temperature range, typically from -40°C to 105°C.

10. What package options are available for TPS2546QRTERQ1? - TPS2546QRTERQ1 is available in a small QFN package with different pin configurations to suit various application requirements.

Please note that the answers provided here are general and may vary based on specific application requirements and datasheet specifications.