LM3549 - High Power Sequential LED Driver

LM3549是TI德州仪器公司的一款指示灯/RGBW产品，LM3549是High Power Sequential LED Driver，本站介绍了LM3549的封装应用图解、特点和优点、功能等，并给出了与LM3549相关的TI元器件型号供参考。

LM3549 - High Power Sequential LED Driver - 指示灯/RGBW - LED驱动器 - 德州仪器

产品描述

The LM3549 is a high power LED driver with up to 700mA output current. It has three constant current LED drivers and a buck boost SMPS for driving RGB LEDs with high efficiency. LED drivers are designed for sequential drive so only one driver can be enabled at a time.

LED driver output current settings can be stored to integrated non-volatile memory which allows stand-alone operation without I2C interface. Non-volatile memory is rewritable so current setting can be changed if needed.

The LM3549 has a fault detection feature that can detect several different fault conditions. In case of a fault error flags are set and FAULT output sends interrupt to control logic. Error flags can be read through I2C interface.

Total brightness can be controlled with PWM input or with master fader register if I2C interface is used.

产品特性

Over-Current Protection
Over-Temperature Protection
I2C Compatible Interface
Under-Voltage Lockout
LED Open and Short Protection and Detection
95% Peak Efficiency Buck-Boost Converter
NVM Memory for Calibration Data and Standalone Usage without I2C Control
Soft Start

Key Specifications

Integrated buck-boost Converter
Programmable LED Drivers
700 mA Maximum Drive Current
±6% Current Accuracy Over Temperature
24-pin WQFN Package

下面可能是您感兴趣的TI德州仪器公司指示灯/RGBW元器件

TI公司产品现货专家，订购TI公司产品不限最低起订量，TI芯片大陆现货即时发货，香港库存3-5天发货，海外库存7-10天发货

寻找全球TI代理商现货货源 - TI公司（德州仪器）电子元件在线订购