BD81A74MUV-M
4ch 內建電流驅動器 升降壓型 車電用白色LED驅動器
BD81A74MUV-M
BD81A74MUV-M
4ch 內建電流驅動器 升降壓型 車電用白色LED驅動器
BD81A74MUV-M是35V高耐壓的白色LED驅動器。1chip中內建4ch恒流輸出，高達120mA/ch，最適合高亮度LED驅動。內建對應升降壓電流模式的DC/DC控制器，對於電源電壓變動，可實現穩定的動作。可透過PWM輸入進行調光控制（10,000:1）。
Product Detail
功能安全:
類別 : FS supportive
A product that has been developed for automotive use and is capable of supporting safety analysis with regard to the functional safety.
規格:
Topology
Buck-Boost
Vin(Min.)[V]
4.5
Vin(Max.)[V]
35
Total Output Current (Max.)[mA]
480
Per Channel Drive(Max.)[mA]
120
Number of Outputs
4
Vout(Max.)[V]
40
Switching Frequency (Max.)[MHz]
2.2
Dimming
PWM
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
125
Package Size [mm]
5x5 (t=1)
Common Standard
AEC-Q100 (Automotive Grade)
功能:
- AEC-Q100 Qualified(Grade 1)
- 4ch Current Driver for LED Drive
- Buck-Boost Current Mode DC/DC Controller
- Control DC/DC Converter Oscillation Frequency by External Synchronized Signal
- Spread Spectrum Function
- LSI Protection Function (UVLO, OVP, TSD, OCP, SCP)
- LED Abnormality Detection Function (Open/Short)
- VOUT Discharge Function (Buck-Boost Structure Limitation)
