BD81A74EFV-M
4ch 內建電流驅動器 升降壓型 車電用白色LED驅動器
BD81A74EFV-M
4ch 內建電流驅動器 升降壓型 車電用白色LED驅動器
BD81A74EFV-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:
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]
9.7x6.4 (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)
Reference Design / Application Evaluation Kit
-
- Evaluation Board - BD81A74EFV-TSB-001
4ch White LED Driver Built-in Current Driver Boost DC-DC Converter for Automotive BD81A74EFV-M