PCA9633BS: 4位Fm+ I2C总线LED驱动器

PCA9633是一款由I²C总线控制的4位LED驱动器,最适合红色/绿色/蓝色/琥珀色 (RGBA)调色应用。每个LED输出各自带有8位分辨率(256级)固定频率的独立PWM控制器,该控制器工作在97 kHz的频率下,占空比从0 %至99.6 %可调,允许将LED设为特定的亮度值。第五个8位分辨率(256级)分组PWM控制器既有190 Hz的固定频率又有24 Hz至每10.73秒一次的可调频率,占空比从0 %至99.6 %可调,用于以相同值对所有LED进行调光或闪烁控制。

每个LED输出可以是关、开(无PWM控制)、按单独PWM控制器的值或按单独和分组PWM控制器的值设置。LED输出驱动器可编程为开漏极或图腾柱,5 V情况下开漏极具有25 mA的灌电流能力,图腾柱具有25 mA灌电流、10 mA拉电流能力。PCA9633的工作电源电压范围为2.3 V至5.5 V,输出容许5.5 V的电压。LED可直接连接至LED输出(最高25 mA,5.5 V),或通过外部驱动器和最少量的分离组件(用于更大电流或更高电压的LED)控制

PCA9633是全新快速模式Plus (Fm+)系列的首批LED控制器器件之一。Fm+器件提供更高的频率(最高1 MHz)和更密集的总线操作(最高4000 pF)。

低电平有效的输出使能引脚(1)允许异步控制LED输出,可用于将所有输出设为规定的I²C总线可编程逻辑状态。(1)还可用于外部PWM输出,这在需要使用软件控制对多个器件一起进行调光或闪烁控制时非常有用。仅16引脚版本提供此功能。

软件可编程LED分组和三个子寻呼I²C地址允许所有或规定分组的PCA9633器件响应共用I²C地址,例如,允许同时打开或关闭所有红色LED或产生选取框追逐效果,从而最大程度减少I²C总线命令。

PCA9633提供三种不同的I²C总线地址选项:固定I²C总线地址(8引脚版本),来自2个可编程地址引脚的4个不同I²C总线地址(10引脚版本)以及来自7个可编程地址引脚的126个不同I²C总线地址(16引脚版本)。除地址组合数不同外,它们在软件上完全相同。

软件复位(SWRST)寻呼允许主器件通过I²C总线对PCA9633进行复位,与上电复位(POR)完全相同,将寄存器初始化为默认状态,使输出设为高电平(LED关)。这能方便且快速地将所有器件寄存器重新配置为相同的条件。

PCA9633BS: 产品结构框图
sot629-1_3d
数据手册 (1)
名称/描述Modified Date
4-bit Fm+ I2C-bus LED driver (REV 5.0) PDF (228.0 kB) PCA9633 [English]25 Jul 2008
应用说明 (3)
名称/描述Modified Date
Sending I2C-bus signals via long communications cables (REV 1.0) PDF (423.0 kB) AN10658 [English]28 Feb 2008
Level shifting techniques in I2C-bus design (REV 1.0) PDF (52.0 kB) AN10441 [English]20 Jun 2007
Driving LED light bars using NXP® solutions (REV 1.0) PDF (128.0 kB) AN10579 [English]02 Feb 2007
用户指南 (5)
名称/描述Modified Date
I2C-bus specification and user manual (REV 6.0) PDF (1.4 MB) UM10204 [English]28 Apr 2014
I2C-bus specification and user manual (REV 5.0) PDF (1.6 MB) UM10204_JA [English]03 Apr 2013
PCA9633 demo board OM6276 (REV 1.0) PDF (256.0 kB) UM10573 [English]17 Oct 2012
PCA9633 demonstration board OM6282 (REV 1.0) PDF (337.0 kB) UM10317 [English]15 Dec 2008
I2C Demonstration Board 2005-1 Quick Start Guide (REV 1.0) PDF (261.0 kB) UM10206 [English]13 Jun 2006
手册 (5)
名称/描述Modified Date
NXP® I2C-bus solutions 2014: Smart, simple solutions for the 12 most common design concerns (REV 1.0) PDF (3.5 MB) 75017540 [English]01 Aug 2014
LED controllers: Voltage-switch drivers, constant-current drivers, and Flash LED drivers (REV 1.0) PDF (2.7 MB) 75017588 [English]03 Jul 2014
Create smarter, more efficient white goods; An industry-leading portfolio of cost-effective, power-saving solutions for... (REV 1.0) PDF (1.1 MB) 75016543 [English]01 Jun 2008
Extend standard I2C-bus devices without worrying about offset voltages; NXP® I2C-bus extender P82B715 in... (REV 1.0) PDF (494.0 kB) 75016527 [English]01 May 2008
Easily test and demonstrate LED dimming and blinking; NXP® demo board for Fastmode Plus 4-bit I2C LED... (REV 1.0) PDF (393.0 kB) 75015907 [English]01 Jan 2007
封装信息 (1)
名称/描述Modified Date
plastic thermal enhanced very thin quad flat package; no leads; 16 terminals; body 4 x 4 x 0.85 mm (REV 1.0) PDF (200.0 kB) SOT629-1 [English]08 Feb 2016
包装 (1)
名称/描述Modified Date
HVQFN16; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or... (REV 1.0) PDF (259.0 kB) SOT629-1_118 [English]17 Apr 2013
订购信息
型号状态Package version应用EnableOperating Temperature (Cel)PWMsI2C-bus interfaceReset input pinI2C-bus (kHz)Operating voltage (VDC)Max Sink Current per bit (mA)No of AddressesMax Sink Current, per package (mA)Number of bits
PCA9633BSActiveSOT629-1-40~855 (4 x 97 kHz dim and 1 x 97 kHz dim or 24 Hz to 10.73 sec blink)Fast Mode Plus 30 mA SDA outputs for 4000 pF bus10002.3~5.5251261004
封装环保信息
产品编号封装说明Outline Version回流/波峰焊接包装产品状态部件编号订购码 (12NC)Marking化学成分RoHS / 无铅 / RHF无铅转换日期EFRIFR(FIT)MTBF(小时)MSLMSL LF
PCA9633BSSOT629-1Reel 13" Q1/T1ActivePCA9633BS,118 (9352 813 08118)9633PCA9633BSAlways Pb-free0.02.05E811
4-bit Fm+ I2C-bus LED driver PCA9633
Sending I2C-bus signals via long communications cables BZX84-C9V1
Level shifting techniques in I2C-bus design pca9685pw
Driving LED light bars using NXP® solutions PCA9633
I2C-bus specification and user manual pca9685pw
I2C-bus specification and user manual pca9685pw
PCA9633 demo board OM6276 PCA9633
PCA9633 demonstration board OM6282 pca9685pw
I2C Demonstration Board 2005-1 Quick Start Guide pca9685pw
NXP® I2C-bus solutions 2014: Smart, simple solutions for the 12 most common design concerns pca9685pw
LED controllers: Voltage-switch drivers, constant-current drivers, and Flash LED drivers pca9685pw
Create smarter, more efficient white goods; An industry-leading portfolio of cost-effective, power-saving solutions for... PMEG6010CE_AUTOMOTIVE
Extend standard I2C-bus devices without worrying about offset voltages; NXP® I2C-bus extender P82B715 in... PCA9633
Easily test and demonstrate LED dimming and blinking; NXP® demo board for Fastmode Plus 4-bit I2C LED... PCA9633
plastic thermal enhanced very thin quad flat package; no leads; 16 terminals; body 4 x 4 x 0.85 mm PCA9633
HVQFN16; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or... PCA9633
PCA9633
PCA9633