UCC27526DSDR

Product Overview

Category

UCC27526DSDR belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for driving power MOSFETs and IGBTs in high-frequency applications.

Characteristics

• High-speed switching capability
• Low propagation delay
• Wide operating voltage range
• High output current drive capability
• Protection features against overcurrent and overtemperature conditions

Package

UCC27526DSDR is available in a small-outline package (SOIC) with eight pins.

Essence

The essence of UCC27526DSDR lies in its ability to provide efficient and reliable control signals for power devices, enabling precise switching operations.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing 2500 units.

Specifications

• Supply voltage: 4.5V to 18V
• Output current: ±4A
• Propagation delay: 8ns (typical)
• Rise/fall time: 6ns (typical)
• Operating temperature range: -40°C to 125°C

Detailed Pin Configuration

1. VDD: Power supply input
2. IN+: Non-inverting input
3. IN-: Inverting input
4. GND: Ground reference
5. OUT: Output
6. SD: Shutdown input
7. VREF: Reference voltage input
8. VS: Bootstrap supply voltage input

Functional Features

• High-speed gate driver
• Adaptive dead-time control
• Integrated undervoltage lockout (UVLO)
• Overcurrent protection
• Overtemperature protection
• Active Miller clamp

Advantages

• Fast switching speed reduces power losses
• Precise control enhances system efficiency
• Integrated protection features improve reliability
• Adaptive dead-time control optimizes switching performance
• Active Miller clamp prevents unwanted voltage spikes

Disadvantages

• Limited output current compared to some other models
• Higher cost compared to basic gate driver ICs

Working Principles

UCC27526DSDR operates by receiving input signals at the IN+ and IN- pins, which are then amplified and inverted by an internal circuit. The resulting output signal is used to drive the gate of a power MOSFET or IGBT, controlling its switching behavior. The adaptive dead-time control ensures minimal overlap between the high-side and low-side switches, preventing shoot-through currents.

Detailed Application Field Plans

UCC27526DSDR finds applications in various fields, including: 1. Switch-mode power supplies 2. Motor drives 3. Solar inverters 4. Uninterruptible power supplies (UPS) 5. Industrial automation systems

Detailed and Complete Alternative Models

1. UCC27524: Similar features but with lower output current capability
2. UCC27527: Higher output current capability but with a larger package size
3. UCC27528: Enhanced protection features and wider operating temperature range

(Note: This list is not exhaustive and there may be other alternative models available in the market.)

In conclusion, UCC27526DSDR is a high-performance gate driver IC designed for efficient and precise control of power MOSFETs and IGBTs in high-frequency applications. Its fast switching speed, integrated protection features, and adaptive dead-time control make it suitable for a wide range of applications in various industries.