UCC27517DBVT

Product Overview

• Category: Integrated Circuit
• Use: Driver for High-Speed Power MOSFETs and IGBTs
• Characteristics: High-speed, high-current, low-side gate driver
• Package: SOT-23-6
• Essence: Efficiently drives power MOSFETs and IGBTs in various applications
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage: 4.5V to 18V
• Output Current: ±4A peak
• Propagation Delay: 25ns (typical)
• Rise/Fall Time: 10ns (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The UCC27517DBVT has the following pin configuration:

1. VDD: Supply voltage input
2. GND: Ground reference
3. IN: Input control signal
4. LO: Low-side output
5. HO: High-side output
6. NC: No connection

Functional Features

• High-speed switching capability
• Low propagation delay for improved system response time
• Wide operating voltage range for versatile applications
• Integrated under-voltage lockout protection
• Output short-circuit protection
• Thermal shutdown protection

Advantages

• Efficiently drives power MOSFETs and IGBTs in high-speed applications
• Provides reliable and precise control over switching operations
• Offers protection features to ensure safe operation
• Compact package size allows for space-saving designs
• Wide operating temperature range enables usage in harsh environments

Disadvantages

• Limited output current compared to some other high-power gate drivers
• Not suitable for applications requiring extremely fast rise/fall times

Working Principles

The UCC27517DBVT is a high-speed, low-side gate driver designed to efficiently drive power MOSFETs and IGBTs. It operates by receiving an input control signal (IN) and generating corresponding output signals on the low-side (LO) and high-side (HO) outputs. These output signals are used to control the switching of power devices in various applications.

The driver incorporates under-voltage lockout protection, which ensures that the device operates within safe voltage levels. It also features output short-circuit protection and thermal shutdown protection to prevent damage to the driver and connected power devices.

Detailed Application Field Plans

The UCC27517DBVT is commonly used in the following application fields:

1. Motor Control: Provides precise and efficient control over power MOSFETs and IGBTs in motor control systems.
2. Switching Power Supplies: Enables fast and reliable switching operations in power supply circuits.
3. Industrial Automation: Facilitates high-speed switching in industrial automation equipment.
4. Renewable Energy Systems: Drives power devices in solar inverters and wind turbine control systems.
5. Automotive Electronics: Used in automotive applications such as electric vehicle powertrains and battery management systems.

Detailed Alternative Models

• UCC27511: Similar specifications and features, but with a different pin configuration (SOIC-8 package).
• UCC27512: Higher output current capability (±5A peak), suitable for applications requiring higher power handling.
• UCC27513: Lower propagation delay (15ns typical), ideal for applications demanding faster response times.

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