IC

離散式元件

光學元件

被動元件

模組

  • LAPIS Semiconductor
  • Kionix
  • ECO Devices

中型·大型LCD背光模組用白色LED驅動器 (開關穩壓器型)

White Backlight LED Drivers for Medium ~ Large LCD Panels (Switching Regulator Type)

ROHM針對中型、大型液晶面板的背光模組用白色LED驅動器為組合了高效率切換式穩壓器型升壓電路及電流驅動器的高性能型。輸入電壓具有3.1V ~ 22V寬廣範圍,因此可使用於筆記型PC等各種應用中。 

ロームのLCD背光模組用LED驅動器

※將游標移到圖示上會顯示詳細說明
規格 產品名稱 封裝 功能
4-line Current Driver with Built-in FET
Ultra-compact 4-line Current Driver
Compact 4-line Current Driver
6-line Current Driver with Built-in FET
6-line Current Driver with Built-in FET
Ultra-compact 6-line Current Driver
Compact 6-line Current Driver
40mA 6-line Current Driver with Built-in FET
8-line Current Driver with Built-in FET


應用方塊示意圖

放大
 

特長

抑制升壓輸出電壓變動,輸出電容器無噪音(ROHM評價)

透過PWM進行輝度調整的系統會經常出現輸出陶瓷電容器所產生的雜訊問題。透過ROHM獨創的技術極力抑制升壓電路的輸出變動,大幅改善了電容器的雜訊問題。不僅可減輕裝置及模組於開發上的負荷,並可提升速度,也不需對策元件等。

對應機種:BD6583MUV-A, BD6592MUV, BD6586MUV, BD6581GU, BD6150MUV

 
放大
進行PWM輝度調整時也可維持優異的電流比精度(BD6583MUV-A、BD6592MUV、BD6586MUV、BD6581GU、 BD6150MUV、 BD6142MUV)
吸收LED的VF誤差
高效率。93%的DC/DC轉換器
列數選擇容易(BD6583MUV-A、BD6592MUV、BD6586MUV、BD6150MUV)




LCD背光模組用LED驅動IC(斬波型)

Part No. Supply
Voltage
(V)
Constant Current Driver control I/F Brightness control Package RoHS
LEDs rectifiersystem Output
voltage
(V)
Output
current
(mA)
Reset
BD6586MUV 2.7 ~ 5.5 Max 24 (6 x 4) External SBD Max 24 25(Per 1 line) Pin logic setting PWM control VQFN024V4040 Yes
BD6066GU 2.7 ~ 22 Max 48 (12 x 4) External SBD Max 40.5 30(Per 1 line) Pin logic setting PWM control VCSP85H2(BD6066GU) Yes
BD6066EKN 2.7 ~ 22 Max 48 (12 x 4) External SBD Max 40.5 30(Per 1 line) Pin logic setting PWM control HQFN28V Yes
BD6590MUV 4.5 ~ 5.5 Max 60(10 x 6) External SBD Max 40 30(Per 1 line) Pin logic setting PWM control VQFN024V4040 Yes
BD6150MUV 4.2 ~ 26 Max 60(10 x 6) External SBD Max 40 30(Per 1 line) Pin logic setting PWM control VQFN024V4040 Yes
BD6581GU 2.7 ~ 22 Max 72(12 x 6) External SBD Max 43 25(Per 1 line) Pin logic setting PWM control VCSP85H2(BD6581GU) Yes
BD6583MUV-A 2.7 ~ 22 Max 72 (12 x 6) External SBD Max 43 25(Per 1 line) Pin logic setting PWM control VQFN024V4040 Yes
BD6592MUV 2.7 ~ 22 Max 72 (12 x 6) External SBD Max 43 40(Per 1 line) Pin logic setting PWM control VQFN024V4040 Yes
NEW
BD6142AMUV
4.2 ~ 27 Max 80(10 x 8) External SBD Max 41 30(Per 1 line) Pin logic setting PWM control
Voltage control
VQFN024V4040 Yes

 

LED/LCD驅動IC
(斬波型)