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 to control LED all together turning off even if LED causes short/open in a certain row.

Specifications

Part No.

Package

Features

LED Driver for DRL/Rear/Turn Lamp(Source type)

BD8372EFJ-M

HTSOP-J8

LED Driver for DRL/Rear/Turn Lamp(Source type)

BD8372HFP-M

HRP7

White LED Driver for Head Light/DRL(Switching type)

BD8381EFV-M

HTSSOP-B28

Block Diagram

Features

High accuracy current output(±3%)


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

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)

Product Inquiries

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	Distribution Inventory
BD8372EFJ-M	5.5 to 40.0	Turn/Rear	1	50	200	High Current / Low Current	±3%(Ta=25ºC)	-	HTSOP-J8	Yes
BD8372HFP-M	5.5 to 40.0	Turn/Rear	1	50	200	High Current / Low Current	±3%(Ta=25ºC)	-	HRP7	Yes
BD8381EFV-M	5.0 to 30.0	Head lamp / DRL	1	50	Depend on Extra Res.	PWM / DC	±5% (Ta=-40ºC to 125ºC)	Buck-Boost, Boost, Buck	HTSSOP-B28	Yes

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