TPS28226DG4

Overview

Category: Integrated Circuits (ICs)

Use: Power Management IC

Characteristics: - High voltage gate driver - Low-side MOSFET driver - Wide input voltage range - Adjustable dead time control - Thermal shutdown protection - Under-voltage lockout protection

Package: SOIC-8

Essence: The TPS28226DG4 is a high voltage gate driver designed for driving low-side MOSFETs in various power management applications.

Packaging/Quantity: The TPS28226DG4 is available in a standard SOIC-8 package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0V to VDD
• Maximum Output Current: ±2A
• Operating Temperature Range: -40°C to +125°C
• Rise and Fall Time: 10ns (typical)
• Propagation Delay: 35ns (typical)

Pin Configuration

The TPS28226DG4 has the following pin configuration:

1. GND (Ground)
2. IN (Input)
3. VDD (Power Supply)
4. OUT (Output)
5. SD (Shutdown)
6. VREF (Reference Voltage)
7. DT (Dead Time Control)
8. VS (Sense Voltage)

Functional Features

• High voltage level shifting
• Adaptive shoot-through protection
• Adjustable dead time control
• Integrated thermal shutdown protection
• Under-voltage lockout protection
• Fast rise and fall times for efficient switching

Advantages

• Wide input voltage range allows for versatile applications
• Adjustable dead time control enables optimization for specific requirements
• Integrated thermal shutdown and under-voltage lockout protection enhance system reliability
• Fast rise and fall times improve overall efficiency

Disadvantages

• Limited output current may not be suitable for high-power applications
• SOIC-8 package may have thermal limitations in certain operating conditions

Working Principles

The TPS28226DG4 is designed to drive low-side MOSFETs in power management applications. It utilizes high voltage level shifting techniques to provide the necessary gate drive voltage for efficient switching of the MOSFET. The adaptive shoot-through protection prevents both the high-side and low-side MOSFETs from conducting simultaneously, reducing power loss and improving system efficiency. The integrated thermal shutdown and under-voltage lockout protection ensure safe operation under abnormal conditions.

Application Field Plans

The TPS28226DG4 can be used in various power management applications, including: - DC-DC converters - Motor drives - Power supplies - LED lighting - Battery chargers

Alternative Models

Some alternative models that offer similar functionality to the TPS28226DG4 include: - IR2101 - LTC4440 - MAX4427 - FAN7382 - UCC27211

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

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