2 ch/3 ch Current LED Driver with SPI for Automotive

Features ◼ AEC-Q100 Qualified(Note 1) ◼ ISO 26262 Process Compliant to Support ASIL-B ◼ On-time Topology for Near Fixed Frequency Switching ◼ Average LED Current Regulation ◼ Protection Diodes Less for Current Sense Pins ◼ Cycle-by-cycle Switch Over Current Protection ◼ Thermal Shutdown (TS

文件：5.03242 Mbytes 页数：87 Pages

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丝印：BD18398；Package：HTSSOP-C48R；2 ch/3 ch Current LED Driver with SPI for Automotive

General Description The BD18397/98RUV-M are 2 ch/3 ch synchronous buck DC/DC LED drivers with using on-time topology supporting near fixed switching frequency and fast switching duty regulation and with using average LED current feed buck topology for more accreted LED current regulation sys

文件：3.62801 Mbytes 页数：84 Pages

ROHM

罗姆

丝印：BD18398；Package：HTSSOP-C48R；2 ch/3 ch Current LED Driver with SPI for Automotive

Features ◼ AEC-Q100 Qualified(Note 1) ◼ ISO 26262 Process Compliant to Support ASIL-B ◼ On-time Topology for Near Fixed Frequency Switching ◼ Average LED Current Regulation ◼ Protection Diodes Less for Current Sense Pins ◼ Cycle-by-cycle Switch Over Current Protection ◼ Thermal Shutdown (TS

文件：5.03242 Mbytes 页数：87 Pages

ROHM

罗姆

3ch Current LED Driver with SPI for Automotive

BD18398RUV-M是一款三通道同步降压型DC-DC LED驱动器，采用ON-Time拓扑结构支持接近恒定的开关频率和快速开关占空比调节，并采用平均LED电流反馈降压拓扑结构在更宽输入和LED输出范围内实现更出色的LED电流调节系统。 • AEC-Q100 Qualified(Grade 1)\n• ISO 26262 Process Compliant to Support ASIL-B\n• On-time Topology for Near Fixed Frequency Switching\n• Average LED Current Regulation\n• Protection Diodes Less for Current Sense Pins\n• Cycle-by-cycle Switch Over Current Protection\n• Thermal Shutdown (TSD)\n• Therm;

ROHM

罗姆