PCA9635PW | NXP 半导体

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消费电子

技术

16位Fm+ I2C总线LED驱动器

PCA9635PW
正常供应

PCA9635是一款I²C总线控制的16位LED驱动器，最适合红/绿/蓝/琥珀(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。额外的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）、按独立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。PCA9635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

PCA9635是全新快速模式Plus (Fm+)系列的首批LED控制器器件之一。Fm+器件具有更高的频率（高达1 MHz）和更密集的总线操作（高达4000 pF）。

低电平有效的输出使能引脚(OE)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。OE还可用作输出的外部PWM信号，这在需要通过软件控制对多个器件进行共同调光或闪烁时非常有用。

软件可编程LED分组和三个子寻呼I²C总线地址允许所有或规定分组的PCA9635器件响应共用I²C总线地址，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。7个硬件地址引脚允许在一条总线上连接最多126个器件。

软件复位(SWRST)寻呼允许主器件通过I²C总线对PCA9635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。

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框图

PCA9635 BLOCK DIAGRAM

PCA9635 BLOCK DIAGRAM
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特征

  • 16个LED驱动器。每个输出可编程：
    • 关
    • 开
    • LED亮度可设置
    • 可编程单个LED亮度＋分组调光/闪烁
  • 1 MHz快速模式Plus兼容I²C总线接口的SDA输出具有30 mA的高驱动能力，可驱动高电容总线
  • 使用97 kHz PWM信号，能使每个LED输出从完全关闭(默认)至最大亮度进行256阶(8位)线性可编程亮度变化
  • 256阶分组亮度控制允许从完全关闭渐变至最大亮度(默认)进行统一调光(使用190 Hz PWM信号)
  • 以24 Hz至10.73 s的可编程频率和0 %至99.6 %的占空比进行256级分组闪烁
  • 软件可编程开漏LED输出可选择十六个“图腾柱”输出（5 V时灌25 mA拉10 mA）（默认图腾柱）无输入功能
  • 输出状态可编程为根据Acknowledge或STOP命令变化，以逐字节或同时全部的方式更新输出(默认设为“根据STOP变化”)
  • 低电平有效的输出使能(OE)输入引脚。当OE为高电平时，LED输出可编程为逻辑1、逻辑0或“高阻抗”(上电时默认)，从而允许通过硬件控制LED的闪烁和调光
  • 7个硬件地址引脚，允许在一条I²C总线上连接126个器件
  • 4个软件可编程I²C总线地址（一个LED分组寻呼地址和三个LED子寻呼地址）允许以任意组合同时对器件组进行寻址（例如，一个寄存器用于“全寻呼”使I²C总线上的所有PCA9635可同时进行寻址，而第二个寄存器用于三个不同地址以分组同时对总线上全部器件的1⁄3进行寻址）。通过软件启用和禁用I²C总线地址
  • 软件复位功能(SWRST调用)允许通过I²C总线复位器件
  • 25 MHz内部振荡器无需外部组件
  • 内部上电复位
  • SDA/SCL输入均有噪音滤波器
  • 输出具有边缘速率控制
  • 上电时没有脉冲干扰
  • 支持热插入
  • 低待机电流
  • 工作电源电压范围为2.3 V至5.5 V
  • 5.5 V容差输入
  • 工作温度为-40 ℃至+85 ℃
  • ESD保护超过JESD22-A114 2000 V HBM、JESD22-A115 200 V MM和JESD22-C101 1000 V CDM
  • 根据JEDEC标准JESD78完成超过100 mA的锁定测试
  • 封装方式：TSSOP28

购买/参数

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部件

展开描述

订购

计算机辅助设计模型

状态

通道数

Output Current on pin LEDn (Max) (mA)

输入电压[最小到最大]（V）

Serial Communication

Topology

Blinking Rate (Min to Max) (Hz)

# of Addresses

Operating Temperature (Min-Max) (℃)

AEC-Q100 compliant

封装类型

Package Dimensions (LxWxZ (mm))

PCA9635PW
数据手册

正常供应

16

25

2.3 to 5.5

1 x I²C

Voltage switch

0.093 to 24

128

-40 to 85

N

TSSOP28

4.4 x 9.7 x 0.9

N true 0 PSPPCA9635PWzh 8 包装信息 Packing Information t935 1 封装信息 Package Information t790 1 手册 Brochure t518 2 数据手册 Data Sheet t520 1 用户指南 User Guide t792 2 选型指南 Selector Guide t528 1 zh zh zh 数据手册 Data Sheet 1 1 7.1 English The PCA9635 is an I2C-bus controlled 16-bit LED driver optimized for Red/Green/Blue/Amber (RGBA) color mixing applications. 1442058066381725903347 PSP 525.0 KB None None documents None 1442058066381725903347 /docs/en/data-sheet/PCA9635.pdf 525044 /docs/en/data-sheet/PCA9635.pdf PCA9635 documents N N 2011-06-30 16-bit Fm+ I2C-bus LED driver /docs/en/data-sheet/PCA9635.pdf /docs/en/data-sheet/PCA9635.pdf Data Sheet N 980000996212993340 2024-10-21 pdf N en Jul 27, 2021 980000996212993340 Data Sheet Y N 16-bit Fm+ I2C-bus LED driver 用户指南 User Guide 2 2 6.0 Japanese 1442125286808710770774ja PSP 751.0 KB None None documents None 1442125286808710770774 /docs/ja/user-guide/UM10204.pdf 750958 /docs/ja/user-guide/UM10204.pdf UM10204 documents N N 2016-07-12 I2C-bus specification and user manual /docs/ja/user-guide/UM10204.pdf /docs/ja/user-guide/UM10204.pdf User Guide N 132339537837198660 2024-10-24 ja Apr 28, 2014 132339537837198660 User Guide Y N I2C-bus specification and user manual 7.0 English NXP Semiconductors developed a simple bidirectional 2-wire bus for efficient inter-IC control. This bus is called the Inter-IC or I2C-bus. Only two bus lines are required: a serial data line (SDA) and a serial clock line (SCL). Serial, 8-bit oriented, bidirectional data transfers can be made at up to 100 kbit/s in the Standard-mode, up to 400 kbit/s in the Fast-mode, up to 1 Mbit/s in the Fast-mode Plus (Fm+), or up to 3.4 Mbit/s in the High-speed mode. 1442125286808710770774 PSP 751.0 KB None None documents None 1442125286808710770774 /docs/en/user-guide/UM10204.pdf 750958 /docs/en/user-guide/UM10204.pdf UM10204 documents N N 2016-07-12 I2C-bus specification and user manual /docs/en/user-guide/UM10204.pdf /docs/en/user-guide/UM10204.pdf User Guide N 132339537837198660 2024-10-24 pdf N en Oct 1, 2021 132339537837198660 User Guide Y N I2C-bus specification and user manual 3 1.0 English 1442125396322710024694 PSP 345.0 KB Registration without Disclaimer None documents Extended 1442125396322710024694 /secured/assets/documents/en/user-guide/UM10317.pdf 345007 /secured/assets/documents/en/user-guide/UM10317.pdf UM10317 documents Y N 2011-06-30 UM10317 /webapp/Download?colCode=UM10317&lang_cd=zh /secured/assets/documents/en/user-guide/UM10317.pdf User Guide N 132339537837198660 2024-10-21 pdf Y en Dec 15, 2008 132339537837198660 User Guide Y N UM10317 手册 Brochure 2 4 0 Japanese LEDs are used for status indication and fun lighting. LED controllers offload the system processor work load and power into small package. 1537464109287702482909ja PSP 955.2 KB None None documents None 1537464109287702482909 /docs/ja/brochure/LED-CONTROLLERS-FINAL-DELIVERABLES.pdf 955197 /docs/ja/brochure/LED-CONTROLLERS-FINAL-DELIVERABLES.pdf LED-DRIVER-SELECTOR-GUIDE documents N N 2018-09-20 LED Drivers Selector Guide /docs/ja/brochure/LED-CONTROLLERS-FINAL-DELIVERABLES.pdf /docs/ja/brochure/LED-CONTROLLERS-FINAL-DELIVERABLES.pdf Brochure N 712453003803778552 2024-10-18 ja Jan 4, 2022 712453003803778552 Brochure Y N LEDコントローラ 5 English LED Drivers, Voltage-switch and constant-current drivers 1537464109287702482909 PSP 955.2 KB None None documents None 1537464109287702482909 /docs/en/brochure/LED-DRIVER-SELECTOR-GUIDE.pdf 955197 /docs/en/brochure/LED-DRIVER-SELECTOR-GUIDE.pdf LED-DRIVER-SELECTOR-GUIDE documents N N 2018-09-20 LED Drivers Selector Guide /docs/en/brochure/LED-DRIVER-SELECTOR-GUIDE.pdf /docs/en/brochure/LED-DRIVER-SELECTOR-GUIDE.pdf Brochure N 712453003803778552 2024-10-18 pdf N en Sep 20, 2024 712453003803778552 Brochure Y N LED Drivers Selector Guide 5 1.0 English 1442124536742699632315 PSP 2.8 MB None None documents None 1442124536742699632315 /docs/en/brochure/75017588.pdf 2752784 /docs/en/brochure/75017588.pdf 75017588 documents N N 2016-07-11 LED controllers: Voltage-switch drivers, constant-current drivers, and Flash LED drivers /docs/en/brochure/75017588.pdf /docs/en/brochure/75017588.pdf Brochure N 712453003803778552 2024-10-21 pdf N en Jul 2, 2014 712453003803778552 Brochure Y N LED controllers: Voltage-switch drivers, constant-current drivers, and Flash LED drivers 封装信息 Package Information 1 6 1.0 English 1455079535791698867422 PSP 383.7 KB None None documents None 1455079535791698867422 /docs/en/package-information/SOT361-1.pdf 383703 /docs/en/package-information/SOT361-1.pdf SOT361-1 documents N N 2016-02-12 plastic thin shrink small outline package; 28 leads; body width 4.4 mm /docs/en/package-information/SOT361-1.pdf /docs/en/package-information/SOT361-1.pdf Package Information N 302435339416912908 2024-10-21 pdf N en Feb 8, 2016 302435339416912908 Package Information Y N plastic thin shrink small outline package; 28 leads; body width 4.4 mm 包装信息 Packing Information 1 7 3.0 English 1442131463535720088921 PSP 232.6 KB None None documents None 1442131463535720088921 /docs/en/packing/SOT361-1_118.pdf 232565 /docs/en/packing/SOT361-1_118.pdf SOT361-1_118 documents N N 2013-04-17 TSSOP28; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 /docs/en/packing/SOT361-1_118.pdf /docs/en/packing/SOT361-1_118.pdf Packing Information N 145666923842250347 2024-10-21 pdf N en Apr 16, 2013 145666923842250347 Packing Information Y N TSSOP28; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 选型指南 Selector Guide 1 8 2.1 English 1442126252734722248255 PSP 3.3 MB None None documents None 1442126252734722248255 /docs/en/product-selector-guide/75017085.pdf 3301382 /docs/en/product-selector-guide/75017085.pdf 75017085 documents N N 2016-10-08 Application guide: Flat-panel TV sets /docs/en/product-selector-guide/75017085.pdf /docs/en/product-selector-guide/75017085.pdf Selector Guide N 553557935274807777 2025-02-11 pdf N en Mar 12, 2012 553557935274807777 Selector Guide Y N Application guide: Flat-panel TV sets false 0 PCA9635PW downloads zh-Hans true 1 Y PSP Y Y 包装信息 1 /docs/en/packing/SOT361-1_118.pdf 2013-04-17 1442131463535720088921 PSP 7 Apr 16, 2013 Packing Information None /docs/en/packing/SOT361-1_118.pdf English documents 232565 None 145666923842250347 2024-10-21 N /docs/en/packing/SOT361-1_118.pdf TSSOP28; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 /docs/en/packing/SOT361-1_118.pdf documents 145666923842250347 Packing Information N en None Y pdf 3.0 N N TSSOP28; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118 232.6 KB SOT361-1_118 N 1442131463535720088921 封装信息 1 /docs/en/package-information/SOT361-1.pdf 2016-02-12 1455079535791698867422 PSP 6 Feb 8, 2016 Package Information None /docs/en/package-information/SOT361-1.pdf English documents 383703 None 302435339416912908 2024-10-21 N /docs/en/package-information/SOT361-1.pdf plastic thin shrink small outline package; 28 leads; body width 4.4 mm /docs/en/package-information/SOT361-1.pdf documents 302435339416912908 Package Information N en None Y pdf 1.0 N N plastic thin shrink small outline package; 28 leads; body width 4.4 mm 383.7 KB SOT361-1 N 1455079535791698867422 手册 2 /docs/en/brochure/LED-DRIVER-SELECTOR-GUIDE.pdf 2018-09-20 1537464109287702482909 PSP 4 Sep 20, 2024 Brochure LED Drivers, Voltage-switch and constant-current drivers None /docs/en/brochure/LED-DRIVER-SELECTOR-GUIDE.pdf English documents 955197 None 712453003803778552 2024-10-18 N /docs/en/brochure/LED-DRIVER-SELECTOR-GUIDE.pdf LED Drivers Selector Guide /docs/en/brochure/LED-DRIVER-SELECTOR-GUIDE.pdf documents 712453003803778552 Brochure N en None Y pdf 5 N N LED Drivers Selector Guide 955.2 KB LED-DRIVER-SELECTOR-GUIDE N 1537464109287702482909 /docs/en/brochure/75017588.pdf 2016-07-11 1442124536742699632315 PSP 5 Jul 2, 2014 Brochure None /docs/en/brochure/75017588.pdf English documents 2752784 None 712453003803778552 2024-10-21 N /docs/en/brochure/75017588.pdf LED controllers: Voltage-switch drivers, constant-current drivers, and Flash LED drivers /docs/en/brochure/75017588.pdf documents 712453003803778552 Brochure N en None Y pdf 1.0 N N LED controllers: Voltage-switch drivers, constant-current drivers, and Flash LED drivers 2.8 MB 75017588 N 1442124536742699632315 数据手册 1 /docs/en/data-sheet/PCA9635.pdf 2011-06-30 1442058066381725903347 PSP 1 Jul 27, 2021 Data Sheet The PCA9635 is an I2C-bus controlled 16-bit LED driver optimized for Red/Green/Blue/Amber (RGBA) color mixing applications. None /docs/en/data-sheet/PCA9635.pdf English documents 525044 None 980000996212993340 2024-10-21 N /docs/en/data-sheet/PCA9635.pdf 16-bit Fm+ I2C-bus LED driver /docs/en/data-sheet/PCA9635.pdf documents 980000996212993340 Data Sheet N en None Y pdf 7.1 N N 16-bit Fm+ I2C-bus LED driver 525.0 KB PCA9635 N 1442058066381725903347 用户指南 2 /docs/en/user-guide/UM10204.pdf 2016-07-12 1442125286808710770774 PSP 2 Oct 1, 2021 User Guide NXP Semiconductors developed a simple bidirectional 2-wire bus for efficient inter-IC control. This bus is called the Inter-IC or I2C-bus. Only two bus lines are required: a serial data line (SDA) and a serial clock line (SCL). Serial, 8-bit oriented, bidirectional data transfers can be made at up to 100 kbit/s in the Standard-mode, up to 400 kbit/s in the Fast-mode, up to 1 Mbit/s in the Fast-mode Plus (Fm+), or up to 3.4 Mbit/s in the High-speed mode. None /docs/en/user-guide/UM10204.pdf English documents 750958 None 132339537837198660 2024-10-24 N /docs/en/user-guide/UM10204.pdf I2C-bus specification and user manual /docs/en/user-guide/UM10204.pdf documents 132339537837198660 User Guide N en None Y pdf 7.0 N N I2C-bus specification and user manual 751.0 KB UM10204 N 1442125286808710770774 /secured/assets/documents/en/user-guide/UM10317.pdf 2011-06-30 1442125396322710024694 PSP 3 Dec 15, 2008 User Guide Registration without Disclaimer /secured/assets/documents/en/user-guide/UM10317.pdf English documents 345007 None 132339537837198660 2024-10-21 Y /webapp/Download?colCode=UM10317&lang_cd=zh UM10317 /secured/assets/documents/en/user-guide/UM10317.pdf documents 132339537837198660 User Guide N en Extended Y pdf 1.0 Y N UM10317 345.0 KB UM10317 N 1442125396322710024694 选型指南 1 /docs/en/product-selector-guide/75017085.pdf 2016-10-08 1442126252734722248255 PSP 8 Mar 12, 2012 Selector Guide None /docs/en/product-selector-guide/75017085.pdf English documents 3301382 None 553557935274807777 2025-02-11 N /docs/en/product-selector-guide/75017085.pdf Application guide: Flat-panel TV sets /docs/en/product-selector-guide/75017085.pdf documents 553557935274807777 Selector Guide N en None Y pdf 2.1 N N Application guide: Flat-panel TV sets 3.3 MB 75017085 N 1442126252734722248255 true Y Products

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