TPS65552ADGQR

Product Overview

Category

The TPS65552ADGQR belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices to efficiently regulate and control power supply voltages.

Characteristics

• High efficiency: The TPS65552ADGQR offers high conversion efficiency, minimizing power losses.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Low quiescent current: The IC has a low quiescent current, reducing power consumption during standby or idle modes.
• Overcurrent protection: It incorporates overcurrent protection mechanisms to safeguard connected devices.

Package

The TPS65552ADGQR is available in a small form factor package, such as the 10-pin VSSOP (Very Small Outline Package). This compact package allows for easy integration into space-constrained designs.

Essence

The essence of the TPS65552ADGQR lies in its ability to efficiently manage power supply voltages, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

The IC is typically supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable from 1.2V to 3.6V
• Maximum Output Current: 500mA
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPS65552ADGQR features the following pin configuration:

1. VIN: Input voltage pin
2. EN: Enable pin for turning the IC on/off
3. FB: Feedback pin for voltage regulation
4. SW: Switching node pin for power conversion
5. GND: Ground reference pin
6. PGND: Power ground pin
7. VOUT: Output voltage pin
8. SS/TR: Soft-start/Tracking pin
9. BST: Boost capacitor connection pin
10. COMP: Compensation pin for stability control

Functional Features

• Voltage Regulation: The TPS65552ADGQR provides precise voltage regulation, ensuring a stable output voltage even under varying load conditions.
• Soft-Start Function: It incorporates a soft-start feature to gradually ramp up the output voltage, preventing excessive inrush current and voltage overshoot.
• Overcurrent Protection: The IC includes overcurrent protection, which safeguards the connected devices from potential damage due to excessive current flow.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power losses.
• Wide input voltage range allows for versatile applications.
• Low quiescent current minimizes power consumption during standby.
• Compact package facilitates integration into space-constrained designs.
• Overcurrent protection ensures device safety.

Disadvantages

• Limited maximum output current of 500mA may not be suitable for high-power applications.
• Requires external components for proper operation, increasing overall system complexity.

Working Principles

The TPS65552ADGQR operates based on a switching regulator topology. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage. The input voltage is converted to a higher or lower voltage level as required by the application. The IC continuously monitors the output voltage and adjusts the duty cycle of the switching transistor to maintain a stable output voltage.

Detailed Application Field Plans

The TPS65552ADGQR finds applications in various electronic devices, including but not limited to: - Mobile phones and smartphones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices - IoT (Internet of Things) devices

Detailed and Complete Alternative Models

1. TPS65550ADGQR: Similar to the TPS65552ADGQR, but with a lower maximum output current of 300mA.
2. TPS65551ADGQR: Similar to the TPS65552ADGQR, but with a higher maximum output current of 800mA.
3. TPS65553ADGQR: Similar to the TPS65552ADGQR, but with additional features such as adjustable frequency control.

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

In conclusion, the TPS65552ADGQR is an integrated circuit designed for power management applications. With its high efficiency, wide input voltage range, and compact package, it offers precise voltage regulation and overcurrent protection. While it has limitations in terms of maximum output current and external component requirements, it finds extensive use in various electronic devices. Alternative models with different specifications are available to suit specific application needs.