UCC27325DGNR

Product Overview

Category: Integrated Circuit (IC)

Use: The UCC27325DGNR is a high-speed, dual-channel, low-side gate driver IC. It is specifically designed to drive power MOSFETs and IGBTs in various applications.

Characteristics: - High-speed switching capability - Low propagation delay - Wide operating voltage range - High peak output current - Robust protection features

Package: The UCC27325DGNR is available in an 8-pin plastic dual in-line package (PDIP) or a small-outline integrated circuit (SOIC) package.

Essence: This IC serves as a crucial component in power electronics systems, enabling efficient and reliable control of power MOSFETs and IGBTs.

Packaging/Quantity: The UCC27325DGNR is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 4.5V to 18V
• Output Current (Peak): ±4A
• Propagation Delay: 15ns (typical)
• Operating Temperature Range: -40°C to +125°C
• Input Logic Compatibility: CMOS, TTL

Detailed Pin Configuration

The UCC27325DGNR has the following pin configuration:

1. VDD: Power supply for the IC.
2. IN_A: Input pin for channel A.
3. GND: Ground reference.
4. OUT_A: Output pin for channel A.
5. VSS: Negative power supply for the IC.
6. IN_B: Input pin for channel B.
7. GND: Ground reference.
8. OUT_B: Output pin for channel B.

Functional Features

• High-Speed Switching: The UCC27325DGNR offers fast switching times, allowing for efficient control of power MOSFETs and IGBTs.
• Low Propagation Delay: With a typical propagation delay of 15ns, this IC ensures minimal time lag between input and output signals.
• Wide Operating Voltage Range: The supply voltage range of 4.5V to 18V enables compatibility with various power supply systems.
• High Peak Output Current: The ±4A peak output current capability allows for driving high-power devices.
• Robust Protection Features: The UCC27325DGNR incorporates built-in protection mechanisms such as undervoltage lockout (UVLO) and thermal shutdown, ensuring safe operation under different conditions.

Advantages and Disadvantages

Advantages: - High-speed switching capability improves system efficiency. - Low propagation delay enhances overall performance. - Wide operating voltage range provides flexibility in design. - Robust protection features ensure device reliability.

Disadvantages: - Limited number of channels (dual-channel only). - Not suitable for applications requiring higher output currents.

Working Principles

The UCC27325DGNR operates by receiving input signals through the INA and INB pins. These input signals control the corresponding outputs OUTA and OUTB, which drive the gate of power MOSFETs or IGBTs. The IC's internal circuitry amplifies and shapes the input signals to provide the necessary gate drive voltage and current levels required for efficient switching of these devices.

Detailed Application Field Plans

The UCC27325DGNR finds application in various fields, including:

1. Motor Control: It is used in motor drives to control the speed and direction of motors.
2. Switching Power Supplies: The IC facilitates efficient switching in power supply circuits, improving overall energy conversion.
3. Renewable Energy Systems: It plays a vital role in solar inverters and wind turbine control systems, enabling efficient power conversion.
4. Industrial Automation: The UCC27325DGNR is utilized in industrial automation systems for precise control of power devices.

Detailed and Complete Alternative Models

1. UCC27324DGNR: Similar to UCC27325DGNR but with a single channel instead of dual channels.
2. UCC27326DGNR: Similar to UCC27325DGNR but with higher peak output current capability.
3. UCC27327DGNR: Similar to UCC27325DGNR but with additional protection features.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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