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BD7844AEFV PDF预览

BD7844AEFV

更新时间: 2024-11-04 08:51:47
品牌 Logo 应用领域
罗姆 - ROHM 驱动器
页数 文件大小 规格书
14页 326K
描述
LED Driver for Indicators and Signage

BD7844AEFV 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SSOP包装说明:HVSSOP,
针数:28Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.83数据输入模式:SERIAL
接口集成电路类型:LED DISPLAY DRIVERJESD-30 代码:R-PDSO-G28
长度:9.7 mm复用显示功能:NO
功能数量:1区段数:16
端子数量:28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:HVSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1 mm
最大供电电压:5.5 V最小供电电压:4.5 V
标称供电电压:5 V表面贴装:YES
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:4.4 mm
最小 fmax:2 MHzBase Number Matches:1

BD7844AEFV 数据手册

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LED Drivers for LED Decoration  
LED Driver  
for Indicators and Signage  
No.11107EAT01  
BD7844AEFV  
Description  
BD7844AEFV is LED Display Driver. It can control 16ch Nch Open Drain output for LED drive. It can control the luminance of  
the LEDs by the setting of the internal register, with 256 steps PWM control. It supports I2C interface. HTSSOP-B28 (with  
Back-side metal for heat radiation) package.  
Features  
1) 16ch × 80mA (Absolute Maximum Rating)  
2) Conforming to I2C -bus I/F (1MHz Fast mode Plus)  
3) Either of interactive or single direction can be selected with the I2CSEL pin. (2MHz clock frequency on single direction)  
4) Independent setting of output brightness is possible by register setting for each channel. (PWM 256 steps)  
5) Power supply voltage : 4.5 5.5V  
6) Max voltage of Open-drain output terminals: 20.0V (Absolute Maximum Rating)  
7) Built-in thermal shutdown (TSDcircuit  
8) Built-in power-on reset circuit  
9) Small package with back-side metal for heat radiation: HTSSOP-B28  
Absolute Maximum Ratings (Ta=25)  
Parameter  
Power supply voltage  
Symbol  
Ratings  
Unit  
VDDMAX1  
VDDMAX2  
VOUTMAX  
IOUTMAX  
VINMAX  
Pd  
-0.3 7.0  
4.5 5.5  
-0.3 20.0  
80 *1  
V
V
Operating voltage range  
Output terminal voltage  
Output terminal current  
Logic input terminal voltage  
Permissible dissipation  
Operating temperature range  
Storage temperature range  
Junction temperature  
V
mA/ch  
V
-0.3 VDD+0.3 7.0  
1.45 *2  
W
Topr  
-40 85  
-55 150  
150  
Tstr  
Tjmax  
Please be careful that the anti-radiation design is not applied to this IC.  
*1) Please take the IC’s power consumption & permissible dissipation into consideration before using it.  
*2) Mounted on ROHM standard board (70mm×70mm×1.6mm (thickness), glass-epoxy board).  
Ta=25or more, it is reduced with 11.6W/.  
Operating conditions (Ta=-40~85)  
Parameter  
Power supply voltage  
Symbol  
Ratings  
Unit  
Conditions  
VDD  
VIH  
VIL  
4.5 5.5  
VDDx0.7 VDD  
0 VDDx0.3  
30  
V
V
High level input voltage  
Low level input voltage  
Low level output current  
SDA,SCL,RESETB,  
I2CSEL,A0,A1,A2,A3  
V
IOL  
mA  
SDA  
www.rohm.com  
© 2011 ROHM Co., Ltd. All rights reserved.  
2011.07 - Rev.A  
1/13  

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