TPS61325YFFT - English Editing Encyclopedia Entry

Product Overview

Category

The TPS61325YFFT belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in electronic devices to efficiently regulate and control power supply voltages, ensuring stable and reliable operation.

Characteristics

• High efficiency: The TPS61325YFFT offers high conversion efficiency, minimizing power losses during voltage regulation.
• Compact size: This IC is designed to be compact, making it suitable for space-constrained applications.
• Wide input voltage range: It can handle a wide range of input voltages, allowing flexibility in various power supply configurations.
• Low quiescent current: The TPS61325YFFT has a low quiescent current, reducing power consumption when the device is in standby mode.

Package

The TPS61325YFFT is available in a small form factor package, such as a 20-pin QFN (Quad Flat No-leads) package. This package provides ease of integration into circuit boards and efficient heat dissipation.

Essence

The essence of the TPS61325YFFT lies in its ability to efficiently regulate power supply voltages, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

The TPS61325YFFT is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable from 1.8V to 5.5V
• Maximum Output Current: 500mA
• Switching Frequency: Up to 2MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPS61325YFFT features a 20-pin QFN package with the following pin configuration:

1. VIN: Input voltage
2. EN: Enable pin
3. FB: Feedback pin for output voltage regulation
4. GND: Ground
5. SW: Switching node connection
6. LX: Inductor connection
7. PGND: Power ground
8. VOUT: Output voltage

Functional Features

• Voltage Regulation: The TPS61325YFFT provides precise voltage regulation, ensuring stable and reliable power supply to connected devices.
• Overcurrent Protection: It incorporates overcurrent protection mechanisms to safeguard against excessive current flow, preventing damage to the IC and connected components.
• Soft Start: The IC features a soft start function, gradually ramping up the output voltage to prevent sudden voltage spikes during startup.
• Thermal Shutdown: In case of excessive temperature, the TPS61325YFFT includes a thermal shutdown feature that automatically disables the IC to prevent overheating.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and longer battery life in portable devices.
• Compact size allows for integration into space-constrained applications.
• Wide input voltage range provides flexibility in power supply configurations.
• Low quiescent current minimizes power consumption in standby mode.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Higher cost compared to traditional linear regulators.

Working Principles

The TPS61325YFFT utilizes a switching regulator topology to efficiently regulate the input voltage to the desired output voltage. It employs a high-frequency switching transistor to rapidly switch the input voltage on and off. This switching action, along with an inductor and capacitor, converts the input voltage to the required output voltage while minimizing power losses.

Detailed Application Field Plans

The TPS61325YFFT finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Wearable devices - IoT (Internet of Things) devices

Detailed and Complete Alternative Models

1. TPS61322YFFT: Similar to the TPS61325YFFT, but with a lower maximum output current of 300mA.
2. TPS61326YFFT: Similar to the TPS61325YFFT, but with a higher maximum output current of 800mA.
3. TPS61327YFFT: Similar to the TPS61325YFFT, but with additional features such as adjustable switching frequency.

These alternative models provide options with varying specifications to cater to different application requirements.

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