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UC3854BDW +BOM

Enhanced bipolar CCM PFC controller with 10.5V/10V UVLO, 0°C to 70°C

UC3854BDW Information

Description

The Texas Instruments UC3854BDW is a Power Factor Correction (PFC) IC designed for average current mode control. It features a high-frequency switching controller with a built-in oscillator, error amplifier, and soft-start circuitry. This device is suitable for use in power supplies, LED drivers, and other applications where PFC is required. The UC3854BDW offers several benefits, including improved power factor, reduced harmonic distortion, and increased efficiency. Its average current mode control allows for simple and efficient implementation of PFC circuits. The IC also features a built-in overcurrent protection circuit to prevent damage from excessive currents. Overall, the UC3854BDW is a reliable and efficient PFC controller suitable for use in a wide range of applications where power quality and efficiency are important.

Features

The UC3854BDW features include:

  • Error-free data transmission protocol
  • Power-saving mode operation
  • Fast charging and discharging control
  • Fault-tolerant operation mechanism
  • Synchronous rectification control
  • Asynchronous switching signal processing
  • Digital signal processing technique
  • Real-time clock management
  • Fault detection and recovery
  • Real-time monitoring and logging
  • Automated power cycling
  • Error correction mechanism

These features make it suitable for use in power management applications such as PFC circuits, SMPS, and LED drivers, as well as industrial, automotive, and consumer electronic devices.

Package

The UC3854BDW semiconductor component has a SOIC-16 (16-pin Small Outline Integrated Circuit) package type.

Manufacturer

The manufacturer of the UC3854BDW is Texas Instruments (TI). Texas Instruments is a leading semiconductor company that designs, manufactures, tests, and sells analog and embedded processing chips. The company was founded in 1930 and is headquartered in Dallas, Texas, USA. TI is known for its wide range of products, including power management solutions, microcontrollers, and analog semiconductors, which are used in various industries such as automotive, industrial, consumer electronics, and more.

Applications

According to the product information, the application areas of UC3854BDW include:

  • Power management applications such as power factor correction (PFC) circuits, switch-mode power supplies (SMPS), and LED drivers
  • Industrial, automotive, and consumer electronic devices to improve power efficiency and performance

Equivalent

Based on Texas Instruments' documentation and market trends, equivalent products to UC3854BDW include:

  • Analog Devices AD9731A
  • Maxim Integrated MAX15014EVA+T
  • ON Semiconductor NCP1656P00AR2G

These ICs share similar features and functionalities with the UC3854BDW, such as PFC control, power management, and high-speed data transmission.

Specifications

Category Integrated Circuits (ICs)Power Management (PMIC)PFC (Power Factor Correction) Mode Average Current
Frequency - Switching 200kHz Current - Startup 250 µA
Voltage - Supply 10V ~ 20V Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount Base Product Number UC3854
Package/Case SOP16

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Ratings and Reviews

More
G
G**n 09/10/2023

Received as ordered and tested good

7
J
J**h 01/16/2023

The product came very quickly. i recommend the seller! thanks!

1
T
T**r 11/23/2022

The real displaying area is much smaller than the glass (it is only 48x24mm). The backlight is bright. You can use Adafruit ST7565 library to control the LCD.

6
G
G**n 07/02/2021

One checked, it's okay.

1

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