UCC28951QPWRQ1

이미지는 참조용입니다.

UCC28951QPWRQ1

+BOM

IC REG CTRLR FULL-BRIDGE 24TSSOP

  • 제조업체텍사스 인스트루먼트(주)

  • 제조업체 부품 #UCC28951QPWRQ1

  • 패키지 TSSOP-24

  • 재고5543

365 1일 품질 보증

7*24 영업 시간 서비스 보증

90-판매 후 1일 보증

정품 보증

사양

속성 가치
Package / Case Tape & Reel (TR),Cut Tape (CT)
Series Automotive, AEC-Q100
Part Status Active
Output Type Transistor Driver
Output Configuration Positive
Topology Full-Bridge
Number of Outputs 6
Output Phases 1
Voltage - Supply (Vcc/Vdd) 8V ~ 17V
Frequency - Switching Up to 1MHz
Duty Cycle(Max) 95%
Synchronous Rectifier Yes
Clock Sync Yes
Control Features Enable, Frequency Control, Soft Start
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount

개요

Description

The UCC28951QPWRQ1 is a Texas Instruments controller designed for phase-shifted full-bridge converters, commonly used in high-efficiency power supply applications. It is part of the UCC28950 family, offering enhancements for automotive and industrial systems. The device supports zero-voltage switching (ZVS), which minimizes switching losses and improves efficiency. Its adaptive delay control optimizes timing for varying load conditions, and it includes features like synchronous rectification, cycle-by-cycle current limiting, and soft start.
The UCC28951QPWRQ1 operates over a wide input voltage range and can handle output power levels typical in automotive and industrial environments. It comes equipped with protections such as overcurrent, undervoltage lockout, and overtemperature, ensuring reliable performance. The device is packaged in a thermally enhanced 20-pin TSSOP, making it suitable for space-constrained applications.
Overall, the UCC28951QPWRQ1 offers precise control, high efficiency, and robustness, making it ideal for demanding power management tasks in automotive and industrial sectors.

Equivalent

The UCC28951QPWRQ1 is a Texas Instruments active clamp current-mode PWM controller for full-bridge converters. Equivalent products may include:
1. UCC28950 by Texas Instruments - A non-Q1 version with similar functionality.
2. LTC3769 by Analog Devices - A similar full-bridge controller with voltage mode control.
3. ISL6753 by Renesas - A PWM controller for full-bridge applications.
Always verify specific requirements like pin configuration, feature set, and thermal ratings when considering alternatives.

Features

The UCC28951QPWRQ1 is a Texas Instruments active clamp PWM controller designed for full-bridge power converters. Key features include:
1. Synchronous Rectification: Optimizes efficiency by controlling synchronous rectifiers.
2. Adaptive Delay: Automatically adjusts timing between primary and secondary switches to minimize losses.
3. Peak Current Mode Control: Enhances loop response and provides overcurrent protection.
4. Programmable Dead Time: Allows fine-tuning of system performance by setting delays between switching events.
5. Comprehensive Protection: Includes features like overvoltage, undervoltage, and overtemperature protection.
6. Wide Input Voltage Range: Supports a broad range of input voltages for versatile application.
7. Gate Drive Outputs: Provides powerful drive capability to switch the power MOSFETs effectively.
8. Soft Start: Reduces inrush current during startup to protect components.
9. High-Frequency Operation: Capable of operation at high switching frequencies, which reduces size and cost of passive components.
This controller is suitable for applications like automotive power systems, telecom power supplies, and industrial power converters, providing high efficiency and reliability.

Pinout

The UCC28951QPWRQ1 is a Texas Instruments controller designed for high-efficiency phase-shifted full-bridge converters. It is typically used in power supply applications to improve performance and efficiency. This device is offered in a TSSOP-24 (Thin Shrink Small Outline Package) which includes 24 pins. Key functions of the UCC28951QPWRQ1 include:
1. Phase-Shifted Full-Bridge Control: Enables zero-voltage switching (ZVS) to improve efficiency.
2. Programmable Dead-Time: Allows optimization of dead-time for efficiency and performance.
3. Voltage Mode Control: Provides precise output voltage regulation.
4. Current Sense and Limit: Protects against overcurrent conditions.
5. Programmable Soft Start: Controls startup to prevent inrush currents.
6. Synchronizable Oscillator: Permits synchronization with an external clock for improved system management.
7. Adaptive Delay: Optimizes timing based on operating conditions for better efficiency.
8. Fault Protection: Includes overvoltage, undervoltage, and overcurrent protections.
These features make the UCC28951QPWRQ1 suitable for applications requiring high efficiency and reliability, such as telecom and server power supplies.

Manufacturer

The UCC28951QPWRQ1 is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and integrated circuits. The company is known for its innovation in the fields of analog and embedded processing technologies. Texas Instruments serves a diverse set of industries, including automotive, industrial, consumer electronics, and communications equipment. It provides solutions that enhance efficiency, reliability, and performance in electronic systems.

Application

The UCC28951QPWRQ1 is a Texas Instruments synchronous buck PWM controller used primarily in high-efficiency power supply applications. Its key application areas include:
1. Telecommunications: Providing efficient power conversion for telecom equipment.
2. Server and Data Centers: Enhancing power efficiency and management in server and data storage systems.
3. Industrial Power Systems: Used in industrial applications requiring reliable and robust power management.
4. Automotive: Suitable for automotive power supply systems, especially in hybrid and electric vehicles.
5. Consumer Electronics: Powers high-performance consumer electronics requiring efficient energy management.
Its features, such as active clamp reset and adaptive zero voltage switching, contribute to high efficiency and reduced electromagnetic interference in these applications.

Package

The UCC28951QPWRQ1 is a high-performance active clamp controller intended for use in power converters. It comes in a 24-pin TSSOP (Thin Shrink Small Outline Package) with gull-wing leads, denoted by the "PWR" in its part number. This package supports efficient heat dissipation and is suitable for automotive applications, emphasizing reliability and compact design.

UCC28951QPWRQ1과 관련된 제품