UCC27537DBVR

Product Overview

Category

UCC27537DBVR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a high-speed, dual-channel gate driver for power MOSFETs and IGBTs.

Characteristics

• High-speed operation: UCC27537DBVR is designed to provide fast switching times, enabling efficient control of power devices.
• Dual-channel configuration: The device features two independent channels, allowing simultaneous control of multiple power devices.
• Low propagation delay: With a typical propagation delay of only 25 ns, this gate driver ensures quick response times.
• Wide operating voltage range: It can operate within a voltage range of 4.5 V to 18 V, making it compatible with various power supply systems.
• High output current capability: The UCC27537DBVR can source or sink up to 4 A of peak current, ensuring reliable and robust performance.

Package and Quantity

The UCC27537DBVR is available in a small SOT-23-6 package. It is typically sold in reels of 3000 units.

Specifications

• Supply Voltage Range: 4.5 V to 18 V
• Output Current (Peak): ±4 A
• Propagation Delay: 25 ns (typical)
• Operating Temperature Range: -40°C to +125°C
• Input Logic Compatibility: CMOS, TTL

Pin Configuration

The UCC27537DBVR has a total of six pins arranged as follows:

___________ | | IN1|1 6|VDD IN2|2 5|OUT GND|3 4|VSS |___________|

Functional Features

• Independent input channels: Each input channel (IN1 and IN2) can be controlled separately, allowing for flexible gate driving configurations.
• Output stage protection: The device incorporates built-in undervoltage lockout (UVLO) and overcurrent protection to safeguard the power devices being driven.
• Schmitt-trigger inputs: The inputs are equipped with Schmitt-trigger hysteresis, ensuring reliable operation even in the presence of noise or signal distortion.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient control of power devices.
• Dual-channel configuration allows simultaneous control of multiple power devices.
• Wide operating voltage range ensures compatibility with various power supply systems.
• High output current capability ensures reliable and robust performance.

Disadvantages

• Limited number of channels may not be suitable for applications requiring control of a large number of power devices simultaneously.
• SOT-23-6 package may limit heat dissipation capabilities in high-power applications.

Working Principles

The UCC27537DBVR is designed to drive power MOSFETs and IGBTs efficiently. It utilizes a high-speed gate driver architecture that minimizes propagation delays and maximizes switching speeds. The input signals provided to the IN1 and IN2 pins control the output stage, which in turn drives the gate of the power device. The device incorporates protection features such as UVLO and overcurrent protection to ensure safe operation of the power devices.

Application Field Plans

The UCC27537DBVR finds applications in various fields where efficient control of power MOSFETs and IGBTs is required. Some potential application areas include: - Motor control systems - Switch-mode power supplies - Inverters and converters - Industrial automation - Renewable energy systems

Alternative Models

• UCC27538DBVR: Similar to UCC27537DBVR but with an additional enable pin for each channel.
• UCC27539DBVR: Similar to UCC27537DBVR but with a higher output current capability of ±6 A.

(Note: The above alternative models are provided for reference and may have slight variations in specifications and features.)

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