Texas Instruments
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UCC2919PW
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UCC2919PW

Product Overview

The UCC2919PW is a high-speed, dual MOSFET driver designed for use in power management applications. It falls under the category of integrated circuits and is commonly used to drive power MOSFETs in synchronous buck converters, half-bridge converters, and other power switching applications. The UCC2919PW is known for its high-speed performance, compact package, and efficient power management characteristics. It is typically available in a small outline package (SOP) with a quantity of 2500 units per reel.

Specifications

  • Operating Voltage Range: 4.5V to 18V
  • Output Rise and Fall Times: 8ns and 7ns, respectively
  • Peak Output Current: ±2A
  • Operating Temperature Range: -40°C to 125°C
  • Package Type: SOIC-8

Detailed Pin Configuration

The UCC2919PW features an 8-pin configuration: 1. VDD 2. GND 3. INA 4. OUTA 5. INB 6. OUTB 7. HO 8. LO

Functional Features

  • High-Speed Operation: The UCC2919PW offers fast rise and fall times, making it suitable for high-frequency power switching applications.
  • Dual Driver Capability: With two independent drivers in a single package, it provides flexibility in driving multiple power MOSFETs.
  • Adaptive Shoot-Through Protection: The device includes adaptive shoot-through protection to prevent simultaneous conduction of the high-side and low-side MOSFETs.

Advantages and Disadvantages

Advantages

  • High-speed operation enables efficient power switching.
  • Dual driver capability provides design flexibility.
  • Adaptive shoot-through protection enhances system reliability.

Disadvantages

  • Limited peak output current compared to some higher-power drivers.
  • Requires careful consideration of layout and decoupling for optimal performance.

Working Principles

The UCC2919PW operates by receiving input signals from a controller and using them to control the conduction of power MOSFETs in a synchronous buck or half-bridge configuration. It ensures proper timing and isolation between the high-side and low-side drivers to enable efficient power conversion.

Detailed Application Field Plans

The UCC2919PW is widely used in various power management applications, including: - DC-DC Converters - Motor Drives - Solar Inverters - Uninterruptible Power Supplies (UPS) - LED Lighting Systems

Detailed and Complete Alternative Models

  • IR2104: A similar dual MOSFET driver with high-speed performance and adaptive shoot-through protection.
  • LM5113: Another dual MOSFET driver offering high-speed operation and dual driver capability.

In conclusion, the UCC2919PW is a versatile and efficient dual MOSFET driver suitable for a wide range of power management applications. Its high-speed operation, dual driver capability, and adaptive shoot-through protection make it a popular choice among designers seeking reliable and high-performance power switching solutions.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací UCC2919PW v technických řešeních

  1. What is the UCC2919PW?

    • The UCC2919PW is a hot-swap power manager IC designed to provide protection and control for systems requiring N+1 redundancy.

  2. What are the key features of the UCC2919PW?

    • The UCC2919PW features include precision voltage and current monitoring, adjustable fault timing, and programmable fault response.

  3. How does the UCC2919PW provide protection for N+1 redundancy systems?

    • The UCC2919PW provides protection by monitoring the input voltage and current, and controlling the turn-on and turn-off timing of the power supply.

  4. What are the typical applications of the UCC2919PW?

    • Typical applications include servers, telecom equipment, and other systems requiring hot-swap capability and N+1 redundancy.

  5. What is the operating voltage range of the UCC2919PW?

    • The UCC2919PW operates within a wide input voltage range, typically from 8V to 80V.

  6. How does the UCC2919PW handle overcurrent conditions?

    • The UCC2919PW can be programmed to respond to overcurrent conditions by adjusting the fault timing and response to protect the system.

  7. Can the UCC2919PW be used in parallel operation?

    • Yes, the UCC2919PW can be used in parallel to manage multiple power supplies in N+1 redundancy configurations.

  8. What is the thermal performance of the UCC2919PW?

    • The UCC2919PW has built-in thermal protection and monitoring to ensure safe operation under varying temperature conditions.

  9. Does the UCC2919PW support communication interfaces?

    • The UCC2919PW does not have built-in communication interfaces, but it can be integrated with external communication modules for system monitoring and control.

  10. Are there any design considerations when using the UCC2919PW?

    • Designers should consider layout, thermal management, and system integration to ensure optimal performance and reliability when using the UCC2919PW.