收藏本站
BD6081GU,BD6081GVW
Technical Note
4. LED Driver
LED current value setting
LED maximum current value (White LED driver and RGB LED Driver common) can be established in the resistance
value RISET that it is connected to the ISET Pin.
A setting is shown in the following.
ILEDmax = 6.4 x 0.6 [V] / RISET [k ? ] [A] (Typ)
ILEDmax = 6.3 x 0.6 [V] / RISET [k ? ] [A] (Typ)
MLED1to4, SLED1to2
All RGB LED
The maximum setting of LED current is 32mA (MLED and SLED), 31.5mA (RGB) on the D range of the internal circuit.
LED current overload protection
ISET Pin is mount with the GND short detection function. LED current value prevents excessive LED current from
flowing when ISET Pin becomes low impedance because it is shown with a formula of the former extension.
White LED Driver
The number of lighting of white LED can be set up by the register MLEDSEL and SLEDSEL (address02h).
The settlement of the number of lighting can be setup with follow.
Main LCD Back light ??? 3 Light (MLED1 ~ 3) or 4 Light (MLED1 ~ 4)
Sub LCD Back light
??? 1 Light (SLED1) or 2 Light (SLED1 ~ 2)
Connect the LED pin that isn't used to the ground.
RGB LED Driver
By register B*LEDMD and G*LEDMD (address05h), a place of connection of Green LED and Blue LED It can be set up
in VBAT or VOUT. When Vf is low, it is connected to VBAT, and it is possible that efficiency is raised.
When a VBAT connection is chosen, a feedback route to the DC/DC circuit is interrupted, and it works as a simple
constant current driver.
A write protect is given in the following address when "1" is written in the RGB*STA register.
Register
RGB1STA
RGB2STA
A protected address
06h ~ 0Fh
10h ~ 19h
VBAT connection a start in the setup Sequence
RGB*STA
T on
(Max:6ms)
VOUT
LED current
When the connection of LED is VBAT, only a LED driver turns it on, and a DC/DC circuit is turned off.
The LED pin which isn't used is to short to the ground.
But, the setup of a register concerned with LED that isn’t used is prohibited.
www.rohm.com
? 2011 ROHM Co., Ltd. All rights reserved.
30/35
2011.04 - Rev.A
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
BD6083GUL-E2 IC LED DRIVER BKLT 36VCSP50L3
BD6085GUL-E2 IC LED DRIVER BKLT 35VCSP50L3
BD6088GUL-E2 IC LED DRIVER BKLT 36VCSP50L3
BD6142AMUV-E2 IC LED DRIVER SGL STEP UP 24QFN
BD6581GU-E2 IC LED DVR WHT BCKLGHT VCSP85H2
BD6583MUV-AE2 IC LED DRIVER WHIT BCKLGT 24VQFN
BD6586MUV-E2 IC LED DRVR WHITE BCKLGT 24-VQFN
BD6592MUV-E2 IC LED DRVR WHITE BCKLGT 24-VQFN
相关代理商/技术参数
BD6082GUL-E2 制造商:ROHM Semiconductor 功能描述:IC BD6082GUL-E2
BD6083GUL 制造商:ROHM 制造商全称:Rohm 功能描述:Multifunction Backlight LED Driver for Small LCD Panels (Charge Pump Type)
BD6083GUL_10 制造商:ROHM 制造商全称:Rohm 功能描述:Multifunction Backlight LED Driver for Small LCD Panels (Charge Pump Type)
BD6083GUL-E2 功能描述:IC LED DRIVER BKLT 36VCSP50L3 RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极，PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND
BD6084GUL 制造商:ROHM 制造商全称:Rohm 功能描述:8 LEDs ALC* and LDO 4ch
BD6085GUL 制造商:ROHM 制造商全称:Rohm 功能描述:Silicon Monolithic Integrated Circuit
BD6085GUL_11 制造商:ROHM 制造商全称:Rohm 功能描述:Multifunction Backlight LED Drivers for Small LCD Panels (Charge Pump Type)
BD6085GUL-E2 功能描述:IC LED DRIVER BKLT 35VCSP50L3 RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极，PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND