MAX8725ETI+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High-efficiency, step-down DC-DC converter - Integrated power MOSFETs - Wide input voltage range - Adjustable output voltage - Current limit protection - Thermal shutdown protection

Package: 28-pin TQFN package

Essence: The MAX8725ETI+ is a power management IC designed for high-efficiency conversion of input voltage to adjustable output voltage.

Packaging/Quantity: The MAX8725ETI+ is available in a 28-pin TQFN package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.8V to VIN
• Maximum Output Current: 3A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8725ETI+ has a total of 28 pins. Here is the detailed pin configuration:

1. EN - Enable Pin
2. FB - Feedback Pin
3. SS/TR - Soft-Start/Tracking Pin
4. AGND - Analog Ground
5. PGND - Power Ground
6. LX - Switch Node
7. BST - Bootstrap Capacitor Connection
8. VCC - Supply Voltage Input
9. COMP - Compensation Pin
10. SS/TR - Soft-Start/Tracking Pin
11. AGND - Analog Ground
12. PGND - Power Ground
13. LX - Switch Node
14. BST - Bootstrap Capacitor Connection
15. VCC - Supply Voltage Input
16. COMP - Compensation Pin
17. SS/TR - Soft-Start/Tracking Pin
18. AGND - Analog Ground
19. PGND - Power Ground
20. LX - Switch Node
21. BST - Bootstrap Capacitor Connection
22. VCC - Supply Voltage Input
23. COMP - Compensation Pin
24. SS/TR - Soft-Start/Tracking Pin
25. AGND - Analog Ground
26. PGND - Power Ground
27. LX - Switch Node
28. BST - Bootstrap Capacitor Connection

Functional Features

The MAX8725ETI+ offers the following functional features:

1. High Efficiency: The integrated power MOSFETs and high switching frequency enable efficient power conversion.
2. Adjustable Output Voltage: The output voltage can be adjusted according to the application requirements.
3. Current Limit Protection: The IC includes current limit protection to prevent excessive current flow.
4. Thermal Shutdown Protection: In case of overheating, the IC shuts down to protect itself from damage.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Adjustable output voltage allows flexibility in various applications. - Current limit and thermal shutdown protection enhance reliability.

Disadvantages: - Limited maximum output current (3A). - Operating temperature range may not be suitable for extreme environments.

Working Principles

The MAX8725ETI+ operates as a step-down DC-DC converter. It converts the input voltage to an adjustable lower output voltage using high-frequency switching. The integrated power MOSFETs efficiently regulate the output voltage while minimizing power losses. The IC also incorporates protection mechanisms such as current limit and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

The MAX8725ETI+ is commonly used in various applications, including: - Portable electronic devices - Battery-powered systems - Industrial equipment - Automotive electronics - LED lighting

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality to the MAX8725ETI+: - MAX8724ETI+ - MAX8726ETI+ - MAX8727ETI+ - MAX8728ETI+

These alternative models can be considered based on specific application requirements and availability.

In conclusion, the MAX8725ETI+ is a power management IC belonging to the integrated circuit category. It offers high-efficiency conversion, adjustable output voltage, and various protection features. With its wide range of applications and alternative models, it provides flexibility and reliability in power management solutions.

Word count: 550 words