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PCA9632DP2-T PDF预览

PCA9632DP2-T

更新时间： 2024-01-06 20:08:18
品牌 Logo 应用领域
恩智浦 - NXP 驱动光电二极管
页数 文件大小 规格书
38页 203K
描述
IC,LASER DIODE/LED DRIVER,TSSOP,10PIN,PLASTIC

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PCA9632DP2-T 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：TSSOP, TSSOP10,.19,20Reach Compliance Code：unknown
风险等级：5.84JESD-30 代码：R-PDSO-G10
端子数量：10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：TSSOP封装等效代码：TSSOP10,.19,20
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
电源：2.5/5 V认证状态：Not Qualified
子类别：Display Drivers表面贴装：YES
温度等级：INDUSTRIAL端子形式：GULL WING
端子节距：0.5 mm端子位置：DUAL
Base Number Matches：1

PCA9632DP2-T 数据手册

 浏览型号PCA9632DP2-T的Datasheet PDF文件第2页浏览型号PCA9632DP2-T的Datasheet PDF文件第3页浏览型号PCA9632DP2-T的Datasheet PDF文件第4页浏览型号PCA9632DP2-T的Datasheet PDF文件第5页浏览型号PCA9632DP2-T的Datasheet PDF文件第6页浏览型号PCA9632DP2-T的Datasheet PDF文件第7页 
PCA9632  
4-bit Fm+ I2C-bus low power LED driver  
Rev. 03 — 15 July 2008  
Product data sheet  
1. General description  
The PCA9632 is an I2C-bus controlled 4-bit LED driver optimized for  
Red/Green/Blue/Amber (RGBA) color mixing applications. The PCA9632 is a drop-in  
upgrade for the PCA9633 with 40× power reduction. In Individual brightness control mode,  
each LED output has its own 8-bit resolution (256 steps) fixed frequency Individual PWM  
controller that operates at 1.5625 kHz with a duty cycle that is adjustable from 0 % to  
99.6 % to allow the LED to be set to a specific brightness value. In group dimming mode,  
each LED output has its own 6-bit resolution (64 steps) fixed frequency Individual PWM  
controller that operates at 6.25 kHz with a duty cycle that is adjustable from 0 % to 98.4 %  
to allow the LED to be set to a specific brightness value. A fifth 4-bit resolution (16 steps)  
Group PWM controller has a fixed frequency of 190 Hz that is used to dim all the LEDs  
with the same value.  
While operating in the Blink mode, each LED output has its own 8-bit resolution  
(256 steps) fixed frequency Individual PWM controller that operates at 1.5625 kHz with a  
duty cycle that is adjustable from 0 % to 99.6 % to allow the LED to be set to a specific  
brightness value. Blink rate is controlled by the Group frequency setting that has 8-bit  
resolution (256 steps). The blink rate is adjustable between 24 Hz and once every  
10.73 seconds. For Group frequency settings between 6 Hz and 24 Hz, the Group PWM  
has a 6-bit resolution (64 steps) with a duty cycle that is adjustable from 0 % to 98.4 %.  
For Group frequency settings between 6 Hz and 0.09 Hz (once in 10.73 seconds), the  
Group PWM has an 8-bit resolution (256 steps) with a duty cycle that is adjustable from  
0 % to 99.6 %.  
Each LED output can be off, on (no PWM control), set at its Individual PWM controller  
value or at both Individual and Group PWM controller values. The LED output driver is  
programmed to be either open-drain with a 25 mA current sink capability at 5 V or  
totem pole with a 25 mA sink, 10 mA source capability at 5 V. The PCA9632 operates with  
a supply voltage range of 2.3 V to 5.5 V and the outputs are 5.5 V tolerant. LEDs can be  
directly connected to the LED output (up to 25 mA, 5.5 V) or controlled with external  
drivers and a minimum amount of discrete components for larger current or higher voltage  
LEDs.  
The PCA9632 is in the new Fast-mode Plus (Fm+) family. Fm+ devices offer higher  
frequency (up to 1 MHz) and more densely populated bus operation (up to 4000 pF).  
Software programmable LED Group and three Sub Call I2C-bus addresses allow all or  
defined groups of PCA9632 devices to respond to a common I2C-bus address, allowing  
for example, all red LEDs to be turned on or off at the same time or marquee chasing  
effect, thus minimizing I2C-bus commands.  
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