Datasheet > BD9421F-GE2

BD9421F-GE2

更新时间： 2025-07-27 15:46:23

品牌	Logo	应用领域
罗姆 - ROHM		驱动光电二极管接口集成电路
页数	文件大小	规格书
30页	1176K
描述
LED Driver, 72-Segment, PDSO24, 15 X 7.80 MM, 2.01 MM HEIGHT, 1.27 MM PITCH, ROHS COMPLIANT, SOP-24

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BD9421F-GE2 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	SOP,	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
Factory Lead Time：	11 weeks	风险等级：	1.69
接口集成电路类型：	LED DISPLAY DRIVER	JESD-30 代码：	R-PDSO-G24
长度：	15 mm	复用显示功能：	NO
功能数量：	1	区段数：	72
端子数量：	24	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	峰值回流温度（摄氏度）：	NOT SPECIFIED
座面最大高度：	2.01 mm	最大供电电压：	35 V
最小供电电压：	9 V	标称供电电压：	24 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	5.4 mm	Base Number Matches：	1

BD9421F-GE2 数据手册

Datasheet

LED Drivers for LCD Backlights

White LED Driver for large LCD Panels

(DCDC Converter Type)

BD9421F

General Description

Key Specifications

BD9421F is high efficiency driver for white LED. This is

designed for large sized LCD. BD9421F is built-in

DCDC converters that supply appropriate voltage for

light source.



VCC Supply Voltage Range:

9.0V to 35.0V

DCDC Oscillation Frequency:150kHz(RT=100kΩ)

Operation Circuit Current:

Operating Temperature Range:

5mA(Typ)

-40°C to +85°C

BD9421F is also built-in protection function for

abnormal state such as OVP: over voltage protection,

OCP: over current limit protection of DCDC, SCP: short

circuit protection, open detection of LED string.

Thus this is used for conditions of large output voltage

and load conditions.

Applications

 LED driver for TV, Monitor and LCD Back Light

Package

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

15.00mm x 7.80mm x 2.01mm

Pin Pitch 1.27mm

SOP24

Features



6ch LED constant current driver(External PNP Tr

Type)



Maximum LED setting current 500mA(VREF Pin

setting)

 ±2% LED current accuracy(VREF=0.9V setting)



Built-in DC/DC converter

Analog Dimming(Linear) function

LED protection function(OPEN/SHORT

protection)[PWM-independent Type]

Individual detection and individual LED OFF for both

OPEN and SHORT circuit

VOUT Over Voltage Protection(OVP) and reduced

voltage protection(SCP) circuit



Built-in under voltage lockout function(UVLO) and

over voltage protection(OVP)

Figure 1. SOP24

Built-in VOUT discharge circuit while shutdown

Typical Application Circuit

Figure 2. Typical Application Circuit

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

.www.rohm.com

TSZ22111 • 14 • 001

TSZ02201-0F1F0C100310-1-2

25.Sep.2015 Rev.003

1/27

12 3 4 5 6 7...30

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与BD9421F-GE2相关器件

型号	品牌	获取价格	描述	数据表
BD9421F-XX	ROHM	获取价格	White LED Driver for large LCD Panels (DCDC Converter Type)
BD9421F_15	ROHM	获取价格	White LED Driver for large LCD Panels (DCDC Converter Type)
BD9422EFV	ROHM	获取价格	White LED Driver for large LCD panel
BD9422EFV-XX	ROHM	获取价格	White LED Driver for large LCD panel
BD9422EFV_15	ROHM	获取价格	White LED Driver for large LCD panel
BD9423EFV	ROHM	获取价格	6ch boost LED driver which constant setting can be shared by I2C control
BD9423EFV-E2	ROHM	获取价格	LED Driver, 24-Segment, PDSO40, 13.60 X 7.80 MM, 1 MM HEIGHT, 0.65 MM PITCH, ROHS COMPLIAN
BD9423EFV-XX	ROHM	获取价格	6ch boost LED driver which constant setting can be shared by I2C control
BD942F	ISC	获取价格	isc Silicon PNP Power Transistor
BD942F	NJSEMI	获取价格	Trans GP BJT PNP 120V 3A

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