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UCC28951QPWRQ1 +BOM

Automotive green phase-shifted full-bridge controller with SR control for wide input voltage range

UCC28951QPWRQ1 Information

Description

The UCC28951QPWRQ1 is a phase-shifted full-bridge controller from Texas Instruments (TI) designed for wide input voltage range applications. This device features a fault-tolerant design, safe-area and thermal shutdown protection, and dual-mode operation in low-dropout (LDO) and flyback modes. It also includes programmable soft-start time, average current mode control with slope compensation, and automatic hiccup mode recovery. The UCC28951QPWRQ1 is commonly used in automotive and industrial applications such as power factor correction, LED lighting, server power supplies, and battery chargers. Its features make it well-suited for applications requiring high efficiency, high power density, and low standby power consumption.

Features

According to the product information, the features of the UCC28951QPWRQ1 are:

  • Fault-tolerant design
  • Safe-area and thermal shutdown protection
  • Dual-mode operation: low-dropout (LDO) and flyback
  • Programmable soft-start time
  • Average current mode control with slope compensation
  • Automatic hiccup mode recovery

These features make the UCC28951QPWRQ1 suitable for applications requiring high efficiency, power density, and low standby power consumption.

Package

The package type of UCC28951QPWRQ1 is TSSOP24.

Pinout

The UCC28951QPWRQ1 has a TSSOP24 package with 24 pins.

Here's a concise overview of its pin functions:

  • Pins 1-4: VCC, GND, COMP, and FB (feedback)
  • Pins 5-8: IN+, IN-, OUT+, and OUT- (input and output voltage rails)
  • Pins 9-12: CT+ and CT- (current sense)
  • Pins 13-16: SLP, SS, and RST (soft-start, slope compensation, and reset)
  • Pins 17-20: VCC and GND (auxiliary power supply)
  • Pins 21-24: NC (no connect)

Please note that this is a high-level overview, and you should refer to the datasheet for detailed information on pin functions and usage.

Manufacturer

The manufacturer of the UCC28951QPWRQ1 is Texas Instruments (TI), a leading American technology company that designs, manufactures, and tests semiconductors and other electronic components. TI is a well-established player in the global semiconductor industry, known for its wide range of products including analog and embedded processing chips, sensors, and interface solutions.

Applications

The UCC28951QPWRQ1 is commonly used in automotive and industrial applications, such as power factor correction, LED lighting, server power supplies, and battery chargers. It's well-suited for applications requiring high efficiency, high power density, and low standby power consumption.

Equivalent

Based on the features and application of the UCC28951QPWRQ1, some equivalent products could be:

  • ST's L6565A
  • ON Semi's NCP1654L
  • Infineon's IR2110
  • Power Integrations' BR1010

These devices share similar characteristics such as phase-shifted full-bridge control, fault-tolerant design, and average current mode control. They are also suitable for applications like power factor correction, LED lighting, and server power supplies.

UCC28951QPWRQ1

Specifications

Topology Phase-shifted full bridge Control mode Current
Duty cycle (max) (%) 97 Switching frequency (max) (kHz) 1000
Features Adjustable switching frequency, Current limiting, Enable/Shutdown, Error amplifier, Green mode, Light-load efficiency, Programmable slope compensation, SR logic, Soft start, Soft switching, Synchronization pin, Thermal shutdown UVLO thresholds on/off (V) 7.3/6.7
Operating temperature range (°C) -40 to 125 Rating Automotive
Gate drive (typ) (A) 0.2 Vin (max) (V) 17
Package/Case TSSOP24

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Ratings and Reviews

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H
H**n 12/30/2021

Product Tested: Looks good. Free blisteringly fast. I did other purchases from this shop: seller you warmly. Thank You.

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