TPS57140QDGQRQ1 - English Editing Encyclopedia Entry

Product Overview

Category

The TPS57140QDGQRQ1 belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators category.

Use

This product is primarily used as a synchronous step-down DC-DC converter. It provides efficient power conversion for various applications, including automotive systems, industrial equipment, and consumer electronics.

Characteristics

• High Efficiency: The TPS57140QDGQRQ1 offers high efficiency power conversion, minimizing energy loss during the voltage regulation process.
• Wide Input Voltage Range: It can accept input voltages ranging from 4.5V to 18V, making it suitable for a wide range of power supply sources.
• Adjustable Output Voltage: The output voltage can be adjusted within a specified range to meet the requirements of different applications.
• Current Limit Protection: This IC incorporates current limit protection, preventing excessive current flow and protecting downstream components.

Package and Quantity

The TPS57140QDGQRQ1 is available in a small-sized package known as PowerPAD™ MSOP-10. It is typically sold in reels containing a quantity of 250 units.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0.8V to 6V
• Maximum Output Current: 1.5A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The TPS57140QDGQRQ1 has ten pins arranged as follows:

```

---

| | --| VIN | --| GND | --| PG | --| SS/TR | --| FB | --| EN | --| VCC | --| SW | --| PGND | |___________| ```

Functional Features

1. Wide Input Voltage Range: The TPS57140QDGQRQ1 can handle a broad range of input voltages, allowing it to be used in various power supply systems.
2. Efficient Power Conversion: With its high efficiency, this IC minimizes energy loss during the voltage regulation process, resulting in reduced power consumption and heat generation.
3. Adjustable Output Voltage: The output voltage can be easily adjusted within the specified range using external components, providing flexibility for different applications.
4. Current Limit Protection: The built-in current limit protection prevents excessive current flow, safeguarding the connected devices.

Advantages and Disadvantages

Advantages

• High efficiency power conversion
• Wide input voltage range
• Adjustable output voltage
• Current limit protection

Disadvantages

• Limited maximum output current (1.5A)

Working Principles

The TPS57140QDGQRQ1 operates as a synchronous step-down DC-DC converter. It uses pulse-width modulation (PWM) techniques to regulate the output voltage. The input voltage is stepped down to the desired output voltage by controlling the duty cycle of the internal switches. This switching action allows efficient power conversion while maintaining a stable output voltage.

Application Field Plans

The TPS57140QDGQRQ1 finds applications in various fields, including:

1. Automotive Systems: It can be used in automotive electronic systems such as infotainment systems, advanced driver-assistance systems (ADAS), and lighting control modules.
2. Industrial Equipment: This IC is suitable for industrial equipment like motor drives, factory automation systems, and power supplies for machinery.
3. Consumer Electronics: It can be utilized in consumer electronics products such as smartphones, tablets, portable audio devices, and gaming consoles.

Alternative Models

1. TPS57140QDGQR: Similar to TPS57140QDGQRQ1, but without automotive qualification.
2. TPS57140QDGNRQ1: Similar to TPS57140QDGQRQ1, but in a different package (VQFN-14).

These alternative models provide similar functionality and can be considered as substitutes for the TPS57140QDGQRQ1.

Word count: 529 words