Datasheet > BD18347AEFV-M

BD18347AEFV-M

更新时间： 2023-09-03 20:31:20

品牌	Logo	应用领域
罗姆 - ROHM		驱动驱动器
页数	文件大小	规格书
38页	1487K
描述
BD18347AEFV-M是一款40V耐压的车载用LED恒流驱动器。是内置Energy Sharing控制功能、有助于缩减电路板尺寸的4通道LED驱动器。还内置有LED开路检测、OUTx（以后全部x=1～4）引脚输出接地故障保护、过电压静音功能和热关断功能，可实现更高可靠性。

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中文翻译

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数据手册

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BD18347AEFV-M 数据手册

Datasheet

For Automotive, 40 V 150 mA 4ch

Constant Current LED Driver

BD18347AEFV-M

General Description

Key Specifications

BD18347AEFV-M are 40 V-withstanding constant

current LED driver for automotive applications. It is a 4

channel LED driver with the built-in energy sharing

control which can realize to make the board size small.

High reliability can be realized with LED Open Detection,

the OUTx (all later x=1 to 4) pin Short Circuit Protection,

Over Voltage Mute and Thermal Shutdown Function.

◼

Input Voltage Range:

5.5 V to 20.0 V

150 mA/ch

±5 %

Maximum Output Current:

Output Current Accuracy:

Relative Channel Accuracy:

±5 %

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

Package

HTSSOP-B16

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

5.00 mm x 6.40 mm x 1.00 mm

Features

◼

AEC-Q100 Qualified^{(Note 1)}

Functional Safety Supportive Automotive Products

Energy Sharing Control

PWM Dimming Function

License Lamp Mode

LED Open Detection

OUTx pin Short Circuit Protection (SCP)

Over Voltage Mute Function (OVM)

Disable LED Open Detection Function

at Reduced-Voltage

◼

LED Failure Input / Output Functions (PBUS)

(Note 1) Grade1

Applications

◼

Automotive LED Exterior Lamp

(Rear Lamp, License Lamp, DRL / Position Lamp,

Fog Lamp etc.)

◼

Automotive LED Interior Lamp

(Air Conditioner Lamp, Interior Lamp, Cluster Light

etc.)

Typical Application Circuit

REXT

VINRES

VIN

PWM_in

OUT1

OUT2

OUT3

OUT4

ZD1

CVIN1

CVIN2

CRT

DC_in

VBAT

CCRT

RCRT

COUT4

COUT3

COUT2

COUT1

DISC

BD18347AEFV-M

MSET1

MSET2

SET1

SET2

SET3

SET4

R_SET1

R_SET2

PBUS

RSET3

RSET4

GND

〇Product structure : Silicon integrated circuit 〇This product has no designed protection against radioactive rays

www.rohm.com

TSZ22111 • 14 • 001

TSZ02201-0T1T0B300360-1-2

1/35

08.Apr.2022 Rev.002

12 3 4 5 6 7...38

中文翻译

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与BD18347AEFV-M相关器件

型号	品牌	获取价格	描述	数据表
BD18347EFV-M	ROHM	获取价格	BD18347EFV-M是4通道线性LED驱动器，可通过1个引脚控制多个输出的热分散。不仅
BD18351EFV-M	ROHM	获取价格	BD18351EFV-M是内置1ch升压控制器的LED驱动器。本LSI通过对LED电流设定
BD18351EFV-ME2	ROHM	获取价格	LED Driver,
BD18353EFV-M	ROHM	获取价格	BD18353EFV-M/MUF-M是1ch LED控制器。内置高边电流检测放大器。通过内
BD18353MUF-M	ROHM	获取价格	BD18353EFV-M/MUF-M是1ch LED控制器。内置高边电流检测放大器。通过内
BD18362EFV-M	ROHM	获取价格	BD18362EFV-M是内置8ch的FET开关的矩阵LED控制器。可通过开关内置FET开
BD18364EFV-M (新产品)	ROHM	获取价格	BD18364EFV-M是一款内置8通道旁路开关的升降压型LED驱动器。采用本IC可实现时
BD18377EFV-M	ROHM	获取价格	12 Channel Constant Current LED Driver IC
BD18377EFV-ME2	ROHM	获取价格	12 Channel Constant Current LED Driver IC
BD18378EFV-M	ROHM	获取价格	Advanced 12 Channel Constant Current LED Driver IC

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