BD81A74EFV-M
4ch White LED Driver Built-in Current Driver Buck-Boost and Boost DC/DC Controller for Automotive
BD81A74EFV-M
4ch White LED Driver Built-in Current Driver Buck-Boost and Boost DC/DC Controller for Automotive
BD81A74EFV-M / BD81A74MUV-M (VQFN28SV5050 package) is a white LED driver with the capability of withstanding high input voltage (maximum 35V). This driver has 4ch constant-current drivers in 1-chip, where each channel can draw up to 120mA (Max), and it is suitable for high illumination LED drive. Furthermore, a buck-boost current mode DC/DC controller is also built to achieve stable operation during power voltage fluctuation. Light modulation (10,000:1@100Hz dimming function) is possible by PWM input.
Product Detail
Functional Safety:
Specifications:
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)
Features:
- 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
