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BM81110MUW

更新时间: 2024-09-27 11:08:23
品牌 Logo 应用领域
罗姆 - ROHM 可编程只读存储器电动程控只读存储器电可擦编程只读存储器驱动控制器软启动电视
页数 文件大小 规格书
49页 3155K
描述
BM81110MUW是面向液晶电视的TFT-LCD面板用系统电源。在面板驱动电源(SOURCE用电压、LOGIC用电压)之外,还内置了正/负电荷泵控制器及Gate Pulse Modulation功能。还有保持各种设定值的EEPROM,可自由设定输出电压及SOFT START时间等。

BM81110MUW 数据手册

 浏览型号BM81110MUW的Datasheet PDF文件第2页浏览型号BM81110MUW的Datasheet PDF文件第3页浏览型号BM81110MUW的Datasheet PDF文件第4页浏览型号BM81110MUW的Datasheet PDF文件第5页浏览型号BM81110MUW的Datasheet PDF文件第6页浏览型号BM81110MUW的Datasheet PDF文件第7页 
Datasheet  
Power supply IC series for TFT-LCD panels  
12V Input Multi-Channel  
System Power Supply IC  
BM81110MUW  
General Description  
Key Specifications  
BM81110MUW is a system power supply for TFT-LCD  
panels used for liquid crystal TVs. This IC is  
incorporated with Negative and Positive charge pump  
controllers and Gate Pulse Modulation (GPM) function. It  
also features built-in EEPROM to contain each setting  
voltage, soft start time, etc.  
Input voltage range  
8.6V to 14.7V  
13.5V to 19.8V  
2.2V to 3.7V  
0.8V to 3.3V  
4.8V to 11.1V  
20V to 35V  
-14.5V to -5.5V  
750kHz(Typ)  
1MHz(Typ)  
AVDD Output voltage range:  
VIO Output voltage range:  
VCORE Output voltage range:  
HAVDD Output voltage range:  
VGH Output voltage range:  
VGL Output voltage range:  
Switching Frequency:  
Features  
Step-up DC/DC converter (AVDD)  
(Synchronous rectification, built-in load switch)  
Step-down DC/DC converter 1 (VIO)  
(Non-synchronous rectification)  
Operating temperature range:  
-40to +85℃  
Step-down DC/DC converter 2 (VCORE)  
(Synchronous rectification)  
Step-down DC/DC converter 3 (HAVDD)  
(Synchronous rectification)  
Package  
VQFN40W6060A  
W(Typ) x D(Typ) x H(Max)  
6.00mm x 6.00mm x 0.8mm  
Positive charge pump controller (VGH)  
Negative charge pump controller (VGL)  
Gate Pulse Modulation (GPM) function  
Output voltage control by I2C  
Built-in EEPROM  
Switching Frequency 750kHz (AVDD, VIO)  
Switching Frequency 1MHz (VCORE, HAVDD)  
Applications  
TFT-LCD panel  
Typical Application CircuitTOP VIEW)  
SW  
VGH  
AVDD  
VIN  
HAVDD  
SWB1  
VGL  
EN  
VGL  
N.C.  
SWO  
SWI  
PGND2  
SWB2  
VDD2  
CTRL  
VINB2  
VDD1  
SWB1  
SWB1  
N.C.  
VCORE  
AVDD  
SW  
VIN  
BM81110MUW  
SW  
PGND  
PGND  
NTC  
VL  
VIO  
Θ
VIN  
Figure1. Application Circuit  
Product structureSilicon monolithic chip This chip has no designed protection against radioactive rays.  
www.rohm.com  
TSZ02201-0313AAF00410-1-2  
2015.08.10 Rev.002  
© 2014 ROHM Co., Ltd. All rights reserved.  
1/46  
TSZ2211114001  
 
 
 
 
 
 

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