Constant Current LED Driver with 64 Dimming Steps for up to 4 LEDs - BD1754HFN | ROHM Semiconductor - ROHM Co., Ltd.
Rohm Productdetail
Constant Current LED Driver with 64 Dimming Steps for up to 4 LEDs - BD1754HFN
The multi-level brightness control LED works as a constant current driver in 64 steps, so that the driving current can be adjusted finely. BD1754HFN is best suited to turn on LEDs that require high-accuracy LED brightness control.
* This product is a STANDARD grade product and not recommend for on-vehicle devices.
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Specifications:
Topology
Constant Current
Number of Outputs
4
Dimming
6-Bit DC
Analog Dimming Steps
64
Per Channel Drive(Max.)[mA]
64.0
Ch to Ch Accuracy(Typ.)[±%]
0.5
Vout(Max.)[V]
7.0
Data Input
1-wire
Data Transfer Rate(Max.)[MHz]
2.8
Data Vin(Min.)[V]
0.6
Data Vin(Max.)[V]
1.4
LED Open Detection
No
Vin(Min.)[V]
2.7
Vin(Max.)[V]
5.5
Operating Temperature (Min.)[°C]
-30
Operating Temperature (Max.)[°C]
85
Features:
・Current regulation for LED up to 4 parallels・Adjustable constant current 64 steps
・High accuracy and matching of each current channel (0.5% Typ)
・Brightness control via a 1-wire digital control interface (UPIC)