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LED Drivers for Automotive Light

LED Drivers for Automotive Light

BD8372HFP-M/EFJ-M is a LED source driver with the capability of withstanding high input voltage(50V MAX.). The fixed current output can change in the H/L current, and it is the best for autmotive LED drive. It is built into LED open/short protection, external resistance open/short protection and overvoltage overheating protection, and high reliability can be achieved. When driving two or more LED by using two or more LSI, it can be done ~ control LED all together turning off even if LED causes short/open in a certain row. 

ロームの오토모티브 보디용 파워 매니지먼트 IC

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사양 품 명 패키지 기 능
LED Driver for DRL/Rear/Turn Lamp(Source type)
LED Driver for DRL/Rear/Turn Lamp(Source type)
White LED Driver for Head Light/DRL(Switching type)


어플리케이션 블록도

확대
 

특징

High accuracy current output(±3%)

Compare with conventional product, the current accuracy doesn't depend for the change the input voltage(9V ~ 16V) and the output Voltage, and be making ~ high accuracy.

 
확대
H/L Current setting switch control
Built-in LED open/short protection circuit
Built-in overvoltage overheating protection and temperature protection circuit
Error state output detection function(PBUS)



LED Drivers for Automotive Light

Part No. Supply
voltage
(V)
Application Channel
Number
(ch)
Max. Input
voltage
(V)
Max. IOUT
(mA)
Dimmer
mode
Auccuracy
of current
DC / DC Package RoHS
BD8372EFJ-M 5.5 ~ 40.0 Turn/Rear 1 50 200 High Current / Low Current ±3%(Ta=25ºC) - HTSOP-J8 Yes
BD8372HFP-M 5.5 ~ 40.0 Turn/Rear 1 50 200 High Current / Low Current ±3%(Ta=25ºC) - HRP7 Yes
BD8381EFV-M 5.0 ~ 30.0 Head lamp / DRL 1 50 Depend on Extra Res. PWM / DC ±5%
(Ta=-40ºC ~ 125ºC)
Buck-Boost, Boost, Buck HTSSOP-B28 Yes

 

오토모티브 보디용 파워 매니지먼트 IC