TEA1721AT/N1,118

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High efficiency, low standby power consumption
• Package: SOT669-1 (HVSON10)
• Essence: Switched Mode Power Supply (SMPS) controller
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 0.8V to 38V
• Maximum Output Current: 2.5A
• Frequency Range: 20kHz to 200kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TEA1721AT/N1,118 IC has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. FB: Feedback pin for output voltage regulation
4. CS: Current sense input
5. DRAIN: High-voltage power switch drain
6. SOURCE: High-voltage power switch source
7. COMP: Compensation pin for loop stability
8. SS: Soft-start pin for controlled startup
9. EN: Enable pin for device activation
10. VREF: Reference voltage output

Functional Features

• Wide input voltage range allows for versatile applications
• High efficiency operation reduces power losses
• Low standby power consumption for energy-saving purposes
• Overvoltage and overcurrent protection ensures system safety
• Adjustable frequency range for optimization based on application requirements
• Soft-start function prevents inrush current during startup

Advantages and Disadvantages

Advantages: - High efficiency operation leads to energy savings - Wide input voltage range enables flexibility in various applications - Overvoltage and overcurrent protection enhances system reliability - Low standby power consumption reduces overall power usage

Disadvantages: - Limited maximum output current may restrict certain high-power applications - SOT669-1 package may require additional thermal management for high-power designs

Working Principles

The TEA1721AT/N1,118 is a switched mode power supply (SMPS) controller. It operates by regulating the output voltage based on feedback received from the FB pin. The IC uses a high-voltage power switch to control the energy flow from the input to the output. The CS pin monitors the current flowing through the switch, enabling overcurrent protection. The COMP pin provides compensation for loop stability, ensuring proper regulation. The SS pin allows for controlled startup, preventing excessive inrush current.

Detailed Application Field Plans

The TEA1721AT/N1,118 is suitable for various power management applications, including but not limited to:

1. Consumer Electronics: Power adapters, chargers, and power supplies for audio/video equipment, gaming consoles, and home appliances.
2. Industrial Automation: Power supplies for industrial control systems, motor drives, and robotics.
3. Automotive: DC-DC converters for automotive electronics, LED lighting, and infotainment systems.
4. Telecommunications: Power management solutions for telecom infrastructure, base stations, and network equipment.

Detailed and Complete Alternative Models

1. TEA1721AT/N1,112
2. TEA1721AT/N1,115
3. TEA1721AT/N1,116
4. TEA1721AT/N1,117

These alternative models offer similar functionality and specifications, providing options for different application requirements.

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