• UCC27519DBVR SOT23-5
UCC27519DBVR SOT23-5

UCC27519DBVR

Driver 4A 1-OUT Low Side Non-Inv 5-Pin SOT-23 T/R

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Overview of UCC27519DBVR

The UCC27519DBVR is a dual-channel, high-speed, low-side gate driver IC designed for driving MOSFETs and IGBTs in various power electronics applications. It offers high efficiency and fast switching speeds, making it ideal for high-frequency switching converters and motor control.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • OUTB: Output B
  • COMB: Common B
  • VDD: High-Side Power Supply
  • INB: Input B
  • OUTA: Output A
  • COMA: Common A
  • INAIN: Input A Inverting
  • INA: Input A
  • GND: Ground

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the UCC27519DBVR IC for better understanding.

Key Features

  • Dual-Channel Gate Driver: Provides independent high-speed drivers for precise control of power switches.
  • Low-Side Drive: Enables efficient driving of low-side MOSFETs and IGBTs in power electronics applications.
  • High Efficiency: Offers fast switching speeds and low propagation delays for increased efficiency.
  • Wide Operating Voltage Range: Operates from a single +4.5V to +18V supply, suitable for various power systems.
  • Overcurrent Protection: Includes overcurrent detection and protection for safe operation in fault conditions.

Note: For detailed technical specifications, please refer to the UCC27519DBVR datasheet.

Application

  • Power Converters: Suitable for high-frequency switching converters in power supply units.
  • Motor Control: Ideal for driving MOSFETs and IGBTs in motor control applications.
  • Inverters: Used in DC to AC inverters for efficient power conversion.

Functionality

The UCC27519DBVR is a dual-channel low-side gate driver IC that offers high-speed switching capabilities for precise control of power switches. It ensures efficient power conversion and motor control in various electronic systems.

Usage Guide

  • Power Supply: Connect VDD (Pin 3) to the high-side power supply voltage (4.5V to 18V).
  • Gate Driving: Apply input signals (INA, INAIN, INB) to control the switching of MOSFETs or IGBTs.
  • Grounding: Connect GND (Pin 9) to the system ground for proper operation.

Frequently Asked Questions

Q: What is the maximum operating frequency supported by the UCC27519DBVR?
A: The UCC27519DBVR is designed to operate at high frequencies suitable for power electronics applications, typically in the range of several megahertz.

Q: Does the UCC27519DBVR provide shoot-through protection for the driving signals?
A: Yes, the UCC27519DBVR includes built-in dead-time control to prevent shoot-through in the high-side and low-side driving signals.

Equivalent

For similar functionalities, consider these alternatives to the UCC27519DBVR:

  • IRS21867S: A high-speed MOSFET and IGBT driver offering similar performance and features to the UCC27519DBVR.
  • IXDN609PI: This dual low-side gate driver IC provides efficient drive capabilities for power switches in various applications.

UCC27519DBVR

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of channels 1 Power switch GaNFET, IGBT, MOSFET
Peak output current (A) 4 Input VCC (min) (V) 4.5
Input VCC (max) (V) 18 Features Enable pin
Operating temperature range (°C) -40 to 140 Rise time (ns) 8
Fall time (ns) 7 Propagation delay time (µs) 0.017
Input threshold CMOS Channel input logic Non-Inverting
Input negative voltage (V) 0 Rating Catalog
Undervoltage lockout (typ) (V) 4 Driver configuration Non-Inverting

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