TPS62260TDDCRQ1

Product Overview

Category

The TPS62260TDDCRQ1 belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators - switching regulators family.

Use

This product is primarily used as a step-down (buck) converter, which means it converts a higher input voltage into a lower output voltage. It is commonly employed in various electronic devices to efficiently regulate power supply voltages.

Characteristics

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 0.8V to 5.5V
• Output Current: Up to 2A
• Switching Frequency: 2.25MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +125°C
• Package Type: 5-Pin SOT-23 (DDC)

Package and Quantity

The TPS62260TDDCRQ1 is available in a 5-pin SOT-23 package. It is typically sold in reels or tubes, with a quantity of 3000 units per reel or 250 units per tube.

Specifications

• Input Voltage Range: The TPS62260TDDCRQ1 can accept input voltages between 2.5V and 6V.
• Output Voltage Range: It provides an adjustable output voltage ranging from 0.8V to 5.5V.
• Output Current: This device can deliver a maximum output current of 2A.
• Switching Frequency: The TPS62260TDDCRQ1 operates at a fixed switching frequency of 2.25MHz.
• Efficiency: With its high efficiency design, this regulator can achieve efficiencies of up to 95%.
• Operating Temperature Range: It can operate within a wide temperature range, from -40°C to +125°C.

Detailed Pin Configuration

The TPS62260TDDCRQ1 has the following pin configuration:

1. VIN: Input voltage pin.
2. GND: Ground reference pin.
3. SW: Switching node pin.
4. FB: Feedback pin for output voltage regulation.
5. EN: Enable pin for turning the regulator on or off.

Functional Features

• High Efficiency: The TPS62260TDDCRQ1 utilizes advanced switching techniques to achieve high efficiency, minimizing power losses and maximizing battery life in portable applications.
• Wide Input Voltage Range: It can accept input voltages ranging from 2.5V to 6V, making it suitable for various power supply sources.
• Adjustable Output Voltage: The output voltage can be easily adjusted within the range of 0.8V to 5.5V, providing flexibility for different system requirements.
• Overcurrent Protection: This device incorporates overcurrent protection, safeguarding against excessive current flow and potential damage to the circuitry.
• Thermal Shutdown: In case of excessive temperature rise, the TPS62260TDDCRQ1 features thermal shutdown protection, preventing overheating and ensuring safe operation.

Advantages and Disadvantages

Advantages

• High efficiency design leads to reduced power consumption and longer battery life.
• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage provides flexibility for different applications.
• Overcurrent protection enhances circuit reliability.
• Thermal shutdown feature prevents overheating and ensures safety.

Disadvantages

• Limited maximum output current of 2A may not be sufficient for high-power applications.
• The 5-pin SOT-23 package might be challenging for hand soldering due to its small size.

Working Principles

The TPS62260TDDCRQ1 operates as a step-down (buck) converter. It uses a high-frequency switching technique to efficiently convert the higher input voltage to a lower output voltage. The internal control circuitry regulates the duty cycle of the switching transistor, adjusting the average output voltage based on the feedback received from the FB pin.

When the regulator is enabled by applying a logic high signal to the EN pin, it starts operating and delivers a regulated output voltage. The SW pin connects to an external inductor and capacitor, forming a low-pass filter that smooths the output voltage. The GND pin serves as the reference ground for the circuit.

Detailed Application Field Plans

The TPS62260TDDCRQ1 finds applications in various electronic devices, including but not limited to: - Portable consumer electronics such as smartphones, tablets, and portable media players. - Battery-powered devices like digital cameras, handheld gaming consoles, and wearable devices. - Automotive systems, including infotainment systems, navigation units, and advanced driver-assistance systems (ADAS). - Industrial equipment, such as factory automation systems, motor control units, and power management modules.

Detailed