Datasheet > BD83740HFP-M

BD83740HFP-M

更新时间： 2024-11-05 01:17:23

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
32页	2042K
描述
1ch Source Driver for Automotive

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BD83740HFP-M 数据手册

Datasheet

Constant Current LED Drivers

50V 500mA

1ch Source Driver for Automotive

BD83740HFP-M

General Description

BD83740HFP-M is 50V-withstanding LED source drivers.

Most suitably for Automotive

LED driving, it can control light through PWM of constant

current output.

Key Specifications

 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 detective function and overvoltage mute

function integrated, it can deliver high reliability.

Also by utilizing our patented PBUS function, it is possible

to turn OFF all LEDs in case where a row of LEDs are

opened if multiple rows of LEDs are driven through

multiple number of the ICs.

Packages

HRP7

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

9.395mm x 10.540mm x 2.005mm

Features

 AEC-Q100 Qualified^(Note1)

 Variable form Constant-Current Source Driver

 PWM Dimming Function

 CR Timer for PWM Dimming Function Integrated

 LED Open detective Function Integrated

 Overvoltage Mute and Temperature Protection

Functions Integrated

HRP7

 Abnormal Output Detection and Output Functions

(PBUS)

(Note1: Grade 1)

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

RVIN_F

VIN_F

IOUT

PWM_in

ZD1

CVIN

VIN

CIOUT

CRT

DISC

PBUS

BD83740HFP-M

DC_in

CCRT

RCRT

FIN

RPBUS

GND

Figure 1. Typical Application Circuit

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

www.rohm.com

TSZ02201-0T1T0C700170-1-2

06.Sep.2016 Rev.002

1/28

TSZ22111・14・001

12 3 4 5 6 7...32

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