rohm referencedesigns
refled001
refled001reference design / application evaluation kit | rohm co., ltd.-凯发k8一触即发
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
design resources
- bd81a74efv-tsb-001
specifications
| board number | input voltage | output channel | output voltage | topology | emc performance | size | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| bd81a74efv-tsb-001 | 7v to 18v | 4ch | 20v to 34v | boost | satisfy cispr25 class5 requirement | 60mm x 90mm |
distribution inventory
| board number | distributor | quantity available |
|---|---|---|
| bd81a74efv-tsb-001 | - | 联系k8凯发 |
key components
| board number | part number | product category | datasheet | status | spice | ltspice® ? | thermal model | symbol & footprint | 3d step | samacsys ecad library | calc tool | rohm solution simulator |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| bd81a74efv-tsb-001 | bd81a74efv-m | led drivers | recommended | - | ||||||||
| bd81a74efv-tsb-001 | rb088lam-60tf | schottky barrier diodes | recommended | - |