ROHM Product Detail

BD18398ARUV-M (新产品)
3ch 车载用带SPI电流LED驱动器

BD18398ARUV-M是一款3通道同步降压DC/DC LED驱动器,它采用导通时间拓扑,支持接近固定的开关频率和快速开关占空比调整,并通过平均LED电流反馈降压拓扑,在宽输入和LED输出范围内实现更精确的LED电流调整系统。

主要规格

 
型号 | BD18398ARUV-ME2
Status | 推荐品
封装 | HTSSOP-C48R
包装形态 | Taping
包装数量 | 2000
最小独立包装数量 | 2000
RoHS | Yes

功能安全:

A product that has been developed based on an ISO 26262 design process compliant to the ASIL level described in the datasheet.

特性:

Topology

Buck

Vin(Min.)[V]

5

Vin(Max.)[V]

65

Total Output Current (Max.)[mA]

4800

Per Channel Drive(Max.)[mA]

1600

Number of Outputs

3

Vout(Max.)[V]

60

Switching Frequency (Max.)[MHz]

2.25

Data Transfer Rate(Max.)[MHz]

1

Integrated Switching FET

Yes

Dimming

DC / PWM

PWM Dimming Steps

1024

DC Dimming Steps

1024

Operating Temperature (Min.)[°C]

-40

Operating Temperature (Max.)[°C]

125

Package Size [mm]

12.5x8.1 (t=1.0)

Common Standard

AEC-Q100 (Automotive Grade)

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特点:

  • 符合AEC-Q100标准(Grade1)
  • 符合ISO 26262流程,支持ASIL-B
  • 导通时间拓扑,实现接近固定频率的开关
  • 平均LED电流调节
  • 电流检测引脚无需保护二极管
  • 逐周期开关过流保护
  • 热关断 (TSD)
  • 温度传感器读取
  • 串行外设接口 (SPI)
  • LIMP-HOME 模式
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