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UCC29950DR

Power Factor Controller 109kHz 16-Pin SOIC T/R

Inventory:4,802

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Overview of UCC29950DR

The UCC29950DR is a high-voltage gate driver IC designed for use in power electronics applications. It provides a robust and precise drive capability for high-side and low-side N-channel MOSFETs in half-bridge configurations, making it ideal for power conversion and motor control applications.

Pinout

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

  • COM: VSS - Common Ground
  • LO: Low-Side Gate Drive Output
  • VBS: Bootstrap Power Supply Voltage
  • HO: High-Side Gate Drive Output
  • VCC: Power Supply Voltage
  • HDRV: High-Side Gate Drive Voltage
  • VS: High-Side Floating Supply Voltage
  • VSS: Low-Side Floating Supply Voltage
  • HO1: High-Side Gate Drive Output

Circuit Diagram

Include a detailed circuit diagram illustrating the connections and operation of the UCC29950DR IC in a half-bridge configuration for a comprehensive visual representation.

Key Features

  • High-Voltage Gate Driver: The UCC29950DR offers precise and efficient gate driving capability for high-voltage applications.
  • Half-Bridge Configuration: Allows for easy implementation of half-bridge power stages in power conversion systems.
  • Precision Drive: Provides accurate drive signals for N-channel MOSFETs, ensuring reliable switching performance.
  • Adaptive Shoot-Through Protection: Features adaptive dead-time control to prevent shoot-through currents in the half-bridge configuration.
  • Wide Operating Voltage Range: Operates effectively with supply voltages up to 600V, suitable for high-voltage applications.
  • Integrated Bootstrap Diodes: Includes integrated bootstrap diodes for simplified bootstrap power supply design.

Note: For detailed technical specifications, please refer to the UCC29950DR datasheet.

Application

  • Power Conversion Systems: Ideal for use in power converters, inverters, and motor drives requiring high-voltage gate driving.
  • Motor Control: Suitable for motor control applications where precise and efficient gate driving is essential.
  • Switching Power Supplies: Used in high-voltage switching power supplies for efficient power conversion.

Functionality

The UCC29950DR provides a reliable and precise gate driving solution for high-voltage N-channel MOSFETs, enabling efficient power conversion and motor control in various applications.

Usage Guide

  • Power Supply Connections: Connect VCC (Pin 5) to the power supply voltage and COM (Pin 1) to the common ground.
  • Gate Drive Outputs: Connect HO (Pin 4) to the high-side MOSFET gate and LO (Pin 2) to the low-side MOSFET gate.
  • Bootstrap Voltage: Provide the bootstrap power supply voltage (VBS) to the VBS pin (Pin 3) for proper high-side gate driving.

Frequently Asked Questions

Q: What is the maximum supply voltage supported by the UCC29950DR?
A: The UCC29950DR can handle supply voltages up to 600V, making it suitable for high-voltage applications.

Q: Does the UCC29950DR include overcurrent protection features?
A: The UCC29950DR features adaptive shoot-through protection to prevent overcurrents during switching transitions.

Equivalent

For similar functionalities, consider these alternatives to the UCC29950DR:

  • IR2110: A high-voltage half-bridge driver IC with integrated bootstrap diodes and overcurrent protection features.
  • LTC4440: This is a high-speed high-voltage MOSFET driver offering precise drive capabilities for power electronics applications.

Specifications

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

Topology Boost, LLC Control mode CCM
Switching frequency (max) (kHz) 100 UVLO thresholds on/off (V) 16.2/7.9
Vin (max) (V) 18 Features LLC, Overvoltage protection, Peak current mode, Transition Control Mode
Rating Catalog Operating temperature range (°C) -40 to 125
Duty cycle (max) (%) 92

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UCC29950DR

Power Factor Controller 109kHz 16-Pin SOIC T/R

Inventory:

4,802