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LP5523TM/NOPB PDF预览

LP5523TM/NOPB

更新时间: 2024-11-19 11:06:23
品牌 Logo 应用领域
德州仪器 - TI 驱动接口集成电路存储显示驱动器驱动程序和接口
页数 文件大小 规格书
47页 600K
描述
具有内部程序存储器和集成电荷泵的 9 通道 RGB/白光 LED 驱动器 - DSBGA | YFQ | 25 | -30 to 85

LP5523TM/NOPB 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active包装说明:VFBGA, BGA25,5X5,16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:1.15数据输入模式:SERIAL
输入特性:STANDARD接口集成电路类型:LED DISPLAY DRIVER
JESD-30 代码:S-XBGA-B25JESD-609代码:e1
湿度敏感等级:1复用显示功能:YES
功能数量:1区段数:9
端子数量:25最高工作温度:85 °C
最低工作温度:-30 °C输出特性:CONSTANT-CURRENT
封装主体材料:UNSPECIFIED封装代码:VFBGA
封装等效代码:BGA25,5X5,16封装形状:SQUARE
封装形式:GRID ARRAY, VERY THIN PROFILE, FINE PITCH峰值回流温度(摄氏度):260
电源:3/5 V认证状态:Not Qualified
座面最大高度:0.675 mm子类别:Display Drivers
最大供电电压:5.5 V最小供电电压:
标称供电电压:3.6 V表面贴装:YES
温度等级:OTHER端子面层:Tin/Silver/Copper (Sn/Ag/Cu)
端子形式:BALL端子节距:0.4 mm
端子位置:BOTTOM处于峰值回流温度下的最长时间:NOT SPECIFIED
最小 fmax:0.4 MHzBase Number Matches:1

LP5523TM/NOPB 数据手册

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March 1, 2012  
LP5523  
Programmable 9-Output LED Driver  
General Description  
Features  
The LP5523 is a 9-channel LED driver designed to produce  
lighting effects for mobile devices. A high-efficiency charge  
pump enables LED driving over full Li-Ion battery voltage  
range. The device is equipped with an internal program mem-  
ory, which allows operation without processor control.  
Three independent program execution engines, 9  
programmable outputs with 25.5 mA full-scale current, 8-  
bit current setting resolution and 12-bit PWM control  
resolution  
Adaptive high-efficiency 1x/1.5x fractional charge pump -  
efficiency up to 94%  
The LP5523 maintains excellent efficiency over a wide oper-  
ating range by autonomously selecting the best charge pump  
gain based on LED forward voltage requirements. LP5523 is  
able to automatically enter power-save mode when LED out-  
puts are not active, thus lowering idle current consumption  
down to 10 µA (typ).  
The LP5523 has an I2C-compatible control interface with four  
pin selectable addresses. The device has a flexible General  
Purpose Output (GPO), which can be used as a digital control  
pin for other devices. INT pin can be used to notify processor  
when a lighting sequence has ended (interrupt -function). Al-  
so, the device has a trigger input interface, which allows  
synchronization, for example, between multiple LP5523 de-  
vices.  
LED drive efficiency up to 93%  
Charge pump with soft start and over-current/short-circuit  
protection  
Built-in LED test  
200 nA typical standby current  
Automatic power save mode; IVDD = 10 µA (typ.)  
Two-wire I2C-compatible control interface  
Flexible instruction set  
Large SRAM program memory  
Small application circuit  
Source (high-side) drivers  
Architecture supports color control  
The device requires only four small and low-cost ceramic ca-  
pacitors. The LP5523 is available in a tiny 25-bump 2.27 mm  
x 2.27 mm x 0.60 mm micro SMD package (0.4 mm pitch).  
Applications  
Fun lights and indicator lights  
LED backlighting  
Haptic feedback  
Programmable current source  
Typical Application  
30043601  
© 2012 Texas Instruments Incorporated  
300436 SNVS550C  
www.ti.com  

LP5523TM/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LP5523TMX/NOPB TI

完全替代

具有内部程序存储器和集成电荷泵的 9 通道 RGB/白光 LED 驱动器 - DSBGA

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