BCR402W

更新时间： 2024-01-02 22:40:03

品牌	Logo	应用领域
英飞凌 - INFINEON		显示驱动器驱动程序和接口接口集成电路光电二极管
页数	文件大小	规格书
8页	97K
描述
LED Driver

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BCR402W 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	SOT
包装说明：	VSOP, SOT-343R	针数：	4
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.04
接口集成电路类型：	LED DISPLAY DRIVER	JESD-30 代码：	R-PDSO-G4
长度：	2 mm	湿度敏感等级：	1
复用显示功能：	NO	功能数量：	1
区段数：	1	端子数量：	4
封装主体材料：	PLASTIC/EPOXY	封装代码：	VSOP
封装等效代码：	SOT-343R	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, VERY THIN PROFILE	峰值回流温度（摄氏度）：	NOT SPECIFIED
电源：	10 V	认证状态：	Not Qualified
筛选级别：	AEC-Q100	座面最大高度：	1 mm
子类别：	Display Drivers	标称供电电压：	10 V
表面贴装：	YES	技术：	BIPOLAR
端子形式：	GULL WING	端子节距：	1.3 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	1.25 mm	Base Number Matches：	1

BCR402W 数据手册

BCR402W

LED Driver

Features

• LED drive current of 20mA

• Output current adjustable up to 60mA with

external resistor

• Supply voltage up to 18V

• Easy paralleling of drivers to increase current

• Low voltage overhead of 1.2V

• High current accuracy at supply voltage variation

• No EMI

• Reduced output current at higher temperatures - negative thermal coefficient of -0.3% / K

• RoHS compliant (pb-free) small SOT343 package

• Qualified according AEC Q101

Applications

• Channel letters for advertising, LED strips for decorative lighting

• Aircraft, train, ship illumination

• Retrofits for general lighting, white goods like refrigerator lighting

• Medical lighting

General Description

The BCR402W is a cost efficient LED driver to drive low power LED’s. The advantages

towards resistor biasing are:

• homogenous light output despite varying forward voltages in different LED strings

• homogenous light output of LED’s despite voltage drop across long supply lines

• homogenous light output independent from supply voltage variations

• longer lifetime of the LED’s due to reduced output current at higher temperatures

(negative thermal coefficient)

The advantages towards discrete solutions are:

• lower assembly cost

• smaller form factor

• better quality due to less soldering points

• higher output current accuracy due to pretested LED drivers

Dimming is possible by using an external digital transistor at the ground pin.

The BCR402W can be operated at higher supply voltages by putting LED’s between the

power supply +VS and the power supply pin of the LED driver. You can find further details

in the application note AN182.

The BCR402W is a perfect fit for numerous low power LED applications by combining small

form factor with low cost. These LED drivers offer several advantages to resistors like

significantly higher current control at very low voltage drop ensuring high lifetime of LED’s.

2010-01-12

12 3 4 5 6 7 8

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