TEA1938T/1J

Product Overview

Category

TEA1938T/1J belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for power management applications.

Characteristics

• Integrated circuit
• Power management functionality
• High efficiency
• Compact size

Package

TEA1938T/1J is available in a small outline package (SOP) or a thin small outline package (TSOP).

Essence

The essence of TEA1938T/1J lies in its ability to efficiently manage power in electronic devices, ensuring optimal performance and energy conservation.

Packaging/Quantity

TEA1938T/1J is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input voltage range: 4.5V to 40V
• Output voltage range: 0.8V to 36V
• Maximum output current: 3A
• Switching frequency: 500kHz
• Operating temperature range: -40°C to +125°C

Detailed Pin Configuration

TEA1938T/1J has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VCC: Supply voltage pin
4. EN: Enable pin
5. FB: Feedback pin
6. COMP: Compensation pin
7. SS: Soft-start pin
8. PGND: Power ground pin
9. SW: Switch pin
10. LX: Inductor connection pin

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• High efficiency ensures minimal power loss during operation.
• Built-in protection features such as overvoltage and overcurrent protection enhance device safety.
• Soft-start function prevents excessive inrush current during startup.
• Adjustable output voltage and current limit provide flexibility in power management.

Advantages and Disadvantages

Advantages

• High efficiency leads to energy savings.
• Compact size enables integration into space-constrained devices.
• Wide input voltage range enhances compatibility.
• Built-in protection features ensure device safety.

Disadvantages

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

Working Principles

TEA1938T/1J operates based on a switching regulator principle. It utilizes a control loop to regulate the output voltage by adjusting the duty cycle of the internal switch. This allows efficient conversion of the input voltage to the desired output voltage while minimizing power loss.

Detailed Application Field Plans

TEA1938T/1J finds application in various electronic devices, including but not limited to: - Mobile phones - Tablets - Laptops - LED lighting systems - Industrial equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to TEA1938T/1J are: - TEA1995H - LM2596 - TPS5430

These models offer similar power management functionality and can be suitable replacements depending on specific requirements.

In conclusion, TEA1938T/1J is an integrated circuit designed for power management applications. Its high efficiency, compact size, and wide input voltage range make it suitable for various electronic devices. While it has limitations in terms of maximum output current and cost, it offers several advantages such as energy savings and built-in protection features.