Datasheet > BD83733HFP-M

BD83733HFP-M

更新时间： 2024-11-05 01:19:31

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
32页	1801K
描述
AEC-Q100 Qualified

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BD83733HFP-M 数据手册

Datasheet

Constant Current LED Drivers

50V 500mA

1ch Source Driver for Automotive

BD83732HFP-M /BD83733HFP-M

General Description

Key Specifications

BD83732HFP-M and BD83733HFP-M are 50V tolerant

LED current drivers. Suitable for Automotive LED

applications, it can control light through constant current

output with control using PWM.

Input Voltage Range: 4.5V to 42V

Max Output Current: 500mA (Max)

Output Current Accuracy: ±5% (Max)

Operating Temperature Range: -40°C to +125°C

Having LED open/short detective circuit and LED current

de-rating functions integrated, it can deliver high reliability.

By utilizing Rohm’s patented PBUS function, it is possible

to turn OFF all LEDs when a row of LEDs are

short/open-circuited if multiple number of the ICs are used

In case the LED connected to the output IOUT terminal

has 2 LEDs in serise, BD83732HFP-M has to be used, in

case of 3 LEDs in series - BD83733HFP-M ( Refer to

Page.18 LED Open Detection / Disable LED Open

Detection ).

Packages

W(Typ) x D(Typ) x H(Max)

9.395mm x 10.540mm x 2.005mm

HRP7

Features

AEC-Q100 Qualified

Variable form Constant-Current Source Driver

PWM Dimming Function

LED constant current set by external resistor

LED Current De-rating Function

LED Open/Short detection

HRP7

Disable LED Open Detection at low power supply

Temperature Protective

Abnormal Output Detection and Output Functions

(PBUS)

Application

On-board Exterior Lamp

(Rear Lamp, Turn Lamp, DRL/Position Lamp,

Fog Lamp, etc.)

On-board Interior Lamp

(Air Conditioner Lamp, Interior Lamp,

Cluster Light, etc.)

Basic Application Circuit

Figure 1. Typical Application Circuit

○Product configuration: Silicon monolithic integrated circuit ○ The product is not designed for radiation resistance.

www.rohm.com

TSZ02201-0G1G0C700310-1-2

4.Feb.2015 Rev.002

1/29

TSZ22111・14・001

12 3 4 5 6 7...32

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