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中型、大型LCD背光用白色LED驱动器_BD9271KUT

BD9271KUT是中型、大型LCD背光用白色LED驱动器。本IC可通过SPI控制进行调光。利用SPI通信,可进行LED各CH的ON/OFF、以及Analog调光等的设定。PWM调光信号以外部信号为基础,可通过寄存器进行PWM频率、PWM ON时间、PWM Delay时间的设定。BD9271KUT中内置了应对异常状态的几种保护功能。内置了LED OPEN保护、LED SHORT保护、外接电流设定电阻SHORT保护、外接MOSFETSHORT保护等,可在更宽的输出电压条件及负载条件下使用。

* 本产品是标准级的产品。本产品不建议使用的车载设备。
型号
Status
封装
包装数量
最小独立包装数量
包装形态
RoHS
BD9271KUT-GZE2 供应中 TQFP64U 1500 1500 Taping Yes
 
特性:
Topology Constant Current
Number of Outputs 16
Data Input 3-wire
Data Vin(Min.)[V] 3.0
Data Vin(Max.)[V] 3.6
Vin(Min.)[V] 9.0
Vin(Max.)[V] 35.0
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
特点:
  • ·16-ch constant current driver (external FET(NMOS) is equipped.)
    ·LED voltage can be set externally.
    ·PWM dimming and Analogue dimming can be
    controlled by SPI.
    ·LED Abnormal operation detection circuit (OPEN
    protection/ SHORT protection) is equipped.
    ·LED SHORT protection detection voltage is adjustable
    (LSP terminal)
    ·LED SHORT protection detection CH
    ·FAIL INDICATION function is equipped by ERR_DET
    terminal.
    ·3 lines serial interface
    ·Package: TQFP64U
 
 
 
 
技术信息
Application Note

Thermal Resistance