REFLED001 - Reference Design

4ch White LED Driver Built-in Current Driver Boost DC-DC Converter for Automotive BD81A74EFV-M

The REFLED001 is a reference design of BD81A74EFV-M LEDdriver IC dedicated for automotive backlight application. It is including set of evaluation reports, design resources so that users can refer to board design as well as various test report provided in the design. BD81A74EFV-M is a white LED driver for LCD backlight. It has 4ch current drivers for LED drive, making it ideal for high brightness LED drive. The dimming is controlled by the PWM signal and can be set up to 10,000: 1@100 Hz.


  • Automotive backlight reference design
  • Supporting BD81A74EFV-M in boost operation
  • Verified to satisfy EMC CISPR 25 class 5 standard at practical operating condition.
  • Thermal characteristics tested
  • PCB design files are available

BD81A74EFV-TSB-001

Related Documents

 

Design Resources

 

Specifications

 
Board Number Input Voltage Output Channel Output Voltage Topology EMC Performance Size
Board NumberBD81A74EFV-TSB-001
Input Voltage 7V to 18V
Output Channel4ch
Output Voltage20V to 34V
TopologyBoost
EMC PerformanceSatisfy CISPR25 Class5 requirement
Size60mm x 90mm

Distribution Inventory

 
Board Number Distributor Quantity Available
BD81A74EFV-TSB-001 - Contact Us

Key Components

 
Board Number Product Category Part Number Datasheet Status SPICE LTspice® ? Thermal Model Symbol & Footprint 3D STEP Samacsys ECAD Library Calc Tool ROHM Solution Simulator
BD81A74EFV-TSB-001 LED Drivers BD81A74EFV-M - Recommended - - -
BD81A74EFV-TSB-001 Schottky Barrier Diodes RB088LAM-60TF - Recommended - - - - -