TPS5402DR

Product Overview

Category

The TPS5402DR belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators - switching regulators classification.

Use

This product is primarily used for power management applications, where it efficiently converts input voltage into a regulated output voltage. It is commonly employed in various electronic devices and systems that require stable and reliable power supply.

Characteristics

• High efficiency: The TPS5402DR offers high conversion efficiency, ensuring minimal power loss during voltage regulation.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Adjustable output voltage: The output voltage can be adjusted according to the specific requirements of the system.
• Protection features: The IC incorporates various protection mechanisms such as overcurrent protection, thermal shutdown, and undervoltage lockout, enhancing the safety and reliability of the power management system.

Package

The TPS5402DR is available in a small outline package (SOP) with eight pins. This package type ensures ease of integration into circuit boards and facilitates efficient heat dissipation.

Essence

The essence of the TPS5402DR lies in its ability to efficiently regulate voltage, providing a stable power supply for electronic devices and systems.

Packaging/Quantity

The TPS5402DR is typically packaged in reels or tubes, containing a specified quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier and customer requirements.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.8V to 24V
• Maximum Output Current: 2A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +125°C
• Efficiency: Up to 95%
• Quiescent Current: 100µA

Detailed Pin Configuration

The TPS5402DR features the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin to control the IC's operation
5. SS/TR: Soft-start/Tracking pin for controlling the startup behavior
6. PGND: Power ground pin
7. SW: Switching node pin
8. VOUT: Output voltage pin

Functional Features

• Wide input voltage range: The TPS5402DR can handle a broad range of input voltages, making it suitable for various power supply applications.
• Efficient voltage regulation: With its high conversion efficiency, the IC minimizes power loss during voltage regulation, resulting in improved overall system efficiency.
• Protection mechanisms: The TPS5402DR incorporates multiple protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring safe and reliable operation even under adverse conditions.
• Adjustable output voltage: The output voltage can be easily adjusted using external components, allowing flexibility in meeting specific system requirements.
• Compact package: The small outline package (SOP) facilitates easy integration into circuit boards and provides efficient heat dissipation.

Advantages and Disadvantages

Advantages

• High conversion efficiency leads to reduced power loss.
• Wide input voltage range enables versatile application possibilities.
• Multiple protection mechanisms enhance safety and reliability.
• Adjustable output voltage allows customization according to system requirements.
• Compact package ensures ease of integration and efficient heat dissipation.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Higher switching frequency may require additional filtering components for noise reduction.

Working Principles

The TPS5402DR operates based on the principle of pulse-width modulation (PWM). It uses a control loop to regulate the duty cycle of the switching transistor, which controls the output voltage. By adjusting the duty cycle, the IC maintains a stable output voltage despite variations in the input voltage and load conditions.

Detailed Application Field Plans

The TPS5402DR finds applications in various fields, including but not limited to: - Consumer electronics: Power supply for smartphones, tablets, laptops, etc. - Industrial automation: Control systems, motor drives, robotics, etc. - Automotive electronics: Infotainment systems, lighting modules, powertrain control units, etc. - Telecommunications: Network equipment, routers, switches, etc. - Renewable energy: Solar power systems, wind turbines, etc.

Detailed and Complete Alternative Models

1. TPS5430DR: Similar to TPS5402DR, but with a higher maximum output current of 3A.
2. LM2576T-ADJ: Non-synchronous buck converter with adjustable output voltage and a maximum output current of 3A.
3. LT1763CS8-3.3: Low dropout linear regulator with fixed output voltage of