UCC27221PWPG4

Product Overview

Category

UCC27221PWPG4 belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is commonly used in various power electronics systems, including motor drives, inverters, and switch-mode power supplies. It provides efficient control and protection for power devices.

Characteristics

• High-speed gate driver
• Dual-channel configuration
• Wide input voltage range
• Low propagation delay
• Integrated protection features
• Robust design for harsh environments

Package

UCC27221PWPG4 is available in a small-sized package known as PowerPAD™ thermally enhanced package. This package ensures effective heat dissipation and enables compact designs.

Essence

The essence of UCC27221PWPG4 lies in its ability to provide reliable and efficient gate driving for power devices, enhancing the overall performance and reliability of power electronics systems.

Packaging/Quantity

This product is typically supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0V to VDD
• Maximum Supply Current: 2.5A
• Operating Temperature Range: -40°C to 125°C
• Rise/Fall Time: 10ns (typical)
• Propagation Delay: 35ns (typical)

Detailed Pin Configuration

UCC27221PWPG4 has a dual-channel configuration with the following pin assignments:

1. VDD: Positive supply voltage for the IC.
2. GND: Ground reference for the IC.
3. IN1: Input pin for channel 1.
4. LO1: Low-side output pin for channel 1.
5. HO1: High-side output pin for channel 1.
6. IN2: Input pin for channel 2.
7. LO2: Low-side output pin for channel 2.
8. HO2: High-side output pin for channel 2.

Functional Features

• High-speed switching capability
• Adaptive dead-time control
• Under-voltage lockout protection
• Over-current protection
• Shoot-through prevention
• Integrated bootstrap diode
• Fault reporting and protection

Advantages and Disadvantages

Advantages

• Fast switching speed improves system efficiency.
• Integrated protection features enhance system reliability.
• Wide input voltage range allows flexibility in various applications.
• Compact package enables space-saving designs.
• Robust design ensures reliable operation in harsh environments.

Disadvantages

• Limited maximum supply current may restrict high-power applications.
• Higher cost compared to some alternative models.
• Requires careful consideration of thermal management due to the small package size.

Working Principles

UCC27221PWPG4 is designed to drive power devices such as MOSFETs or IGBTs. It utilizes a high-speed gate driver architecture to provide precise control over the switching characteristics of these devices. The adaptive dead-time control feature minimizes the risk of shoot-through, ensuring safe and efficient operation.

The integrated protection features, including under-voltage lockout and over-current protection, safeguard the power devices from potential damage. The fault reporting mechanism provides feedback to the system controller, enabling timely response to any abnormal conditions.

Detailed Application Field Plans

UCC27221PWPG4 finds extensive application in various power electronics systems, including: - Motor drives - Inverters - Switch-mode power supplies - Uninterruptible power supplies (UPS) - Solar inverters - Electric vehicle charging systems

Its high-speed switching capability and integrated protection features make it suitable for demanding applications that require efficient and reliable power management.

Detailed and Complete Alternative Models

• UCC27211PWPG4: Similar to UCC27221PWPG4, but with a single-channel configuration.
• UCC27222PWPG4: Dual-channel gate driver with enhanced features and higher maximum supply current.
• UCC27223PWPG4: Triple-channel gate driver for more complex power electronics systems.

These alternative models offer different configurations and additional features to cater to specific application requirements.

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