BD18398RUV-M
3ch Current LED Driver with SPI for Automotive
BD18398RUV-M
BD18398RUV-M
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。
主要规格
功能安全:
类别 : FS process compliant
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
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)
Common Standard
AEC-Q100 (Automotive Grade)
特点：
- AEC-Q100 Qualified(Grade 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 (TSD)
- Thermal Sensor Reading
- Serial Peripheral Interface (SPI)
- LIMP-HOME Mode
