MIC28514T-E/PHA

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low power consumption - Small form factor - Wide input voltage range - Multiple protection features

Package: TSSOP-16

Essence: The MIC28514T-E/PHA is a power management IC designed for various applications that require efficient power conversion and management.

Packaging/Quantity: The MIC28514T-E/PHA is available in a TSSOP-16 package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 75V
• Output Voltage Range: 0.8V to 60V
• Maximum Output Current: 4A
• Switching Frequency: 500kHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC28514T-E/PHA has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. SS/TR: Soft-start/Tracking pin
6. VCC: Supply voltage pin
7. PG: Power good pin
8. SW: Switch pin
9. SW: Switch pin
10. SW: Switch pin
11. SW: Switch pin
12. COMP: Compensation pin
13. VCC: Supply voltage pin
14. VCC: Supply voltage pin
15. VCC: Supply voltage pin
16. VCC: Supply voltage pin

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency ensures minimal power loss during operation.
• Integrated protection features such as overvoltage, overcurrent, and thermal shutdown enhance system reliability.
• Soft-start and tracking functionality enable controlled startup and sequencing of multiple power supplies.

Advantages

• Compact package size enables space-saving designs.
• High efficiency results in reduced power consumption and heat dissipation.
• Wide input voltage range accommodates various power sources.
• Multiple protection features enhance system reliability and protect against potential damage.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Higher cost compared to some alternative models.

Working Principles

The MIC28514T-E/PHA is a step-down (buck) switching regulator. It converts a higher input voltage to a lower output voltage with high efficiency. The integrated control circuitry adjusts the duty cycle of the internal switch to regulate the output voltage according to the feedback signal. This allows for efficient power conversion while maintaining stable output voltage.

Detailed Application Field Plans

The MIC28514T-E/PHA is commonly used in the following applications:

1. Industrial automation systems
2. Telecommunications equipment
3. Automotive electronics
4. Power distribution systems
5. Battery-powered devices

Detailed and Complete Alternative Models

1. MIC28515T-E/PHA: Similar specifications and features, but with a higher maximum output current of 6A.
2. MIC28516T-E/PHA: Similar specifications and features, but with a higher maximum output current of 8A.
3. MIC28517T-E/PHA: Similar specifications and features, but with a higher maximum output current of 10A.

These alternative models provide options for higher output current requirements while maintaining similar characteristics and functionality.

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