PCA9672: 带有中断和复位的Fm I²C总线远程8位I/O扩展器

PCA9672通过两路双向总线(I²C总线)为大多数微控制器系列提供通用远程I/O扩展且是快速模式Plus系列的一部分。

PCA9672是PCF8574的即用升级产品,提供更高的快速模式Plus (Fm+)I²C总线速度(1 MHz相对400 kHz)以使输出能够支持LED的PWM调光;提供更高的I²C总线驱动(30 mA相对3 mA)以使总线上可存在更多的器件而无需进行总线缓冲;提供更高的总封装灌电流能力(200 mA相对100 mA)以支持同时打开所有的LED以及提供更多可用的器件地址(16相对8)以允许总线上存在更多器件而不会发生地址冲突。

PCA9672和PCF8574之间的区别是A2地址引脚由PCA9672上的1输入取代。

器件由8位准双向端口和I²C总线接口组成。PCA9672具有低电流消耗且包含具备25 mA高电流驱动能力的锁存输出,用于直接驱动LED。

PCA9672具有中断线路(1),可连接至微控制器的中断逻辑。通过在此线路发送中断信号,远程I/O可通知微控制器其端口上是否存在输入数据而无需通过I²C总线通信。

内部上电复位(POR)、硬件复位引脚(1)或软件复位序列引脚会将I/O初始化为输入。

PCA9672: 产品结构框图
Outline 3d SOT403-1
数据手册 (1)
名称/描述Modified Date
Remote 8-bit I/O expander for Fm+ I2C-bus with interrupt and reset (REV 3.0) PDF (781.0 kB) PCA9672 [English]27 May 2013
应用说明 (3)
名称/描述Modified Date
Driving stepper motors using NXP® I2C-bus GPIO expanders (REV 2.0) PDF (275.0 kB) AN10814 [English]24 Oct 2011
PCA9500/PCA9501 provides simple card maintenance and control using I²C-bus (REV 1.0) PDF (90.0 kB) AN256 [English]23 Mar 2009
Level shifting techniques in I2C-bus design (REV 1.0) PDF (52.0 kB) AN10441 [English]20 Jun 2007
用户指南 (4)
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
PCA9698 demonstration board OM6281 (REV 1.0) PDF (558.0 kB) UM10267 [English]26 Sep 2008
I2C Demonstration Board 2005-1 Quick Start Guide (REV 1.0) PDF (261.0 kB) UM10206 [English]13 Jun 2006
手册 (3)
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
Versatile, easy-to-use GPIO expanders; NXP® 4/8/16-bit I2C/SMBus GPIO expanders PCA9536/54/54A/55 (REV 1.0) PDF (319.0 kB) 75016535 [English]01 Aug 2008
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
封装信息 (3)
名称/描述Modified Date
plastic small outline package; 16 leads; body width 7.5 mm (REV 1.0) PDF (317.0 kB) SOT162-1 [English]08 Feb 2016
plastic thin shrink small outline package; 16 leads; body width 4.4 mm (REV 1.0) PDF (300.0 kB) SOT403-1 [English]08 Feb 2016
plastic thermal enhanced very thin quad flat package; no leads; 16 terminals; body 3 x 3 x 0.85 mm (REV 1.0) PDF (201.0 kB) SOT758-1 [English]08 Feb 2016
包装 (3)
名称/描述Modified Date
SO16; Reel dry pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,518 or... (REV 1.0) PDF (271.0 kB) SOT162-1_518 [English]25 Nov 2014
HVQFN16; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or... (REV 2.0) PDF (262.0 kB) SOT758-1_118 [English]18 Apr 2013
TSSOP16; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or... (REV 1.0) PDF (218.0 kB) SOT403-1_118 [English]08 Apr 2013
支持信息 (3)
名称/描述Modified Date
Footprint for reflow soldering (REV 1.0) PDF (9.0 kB) SO-SOJ-REFLOW [English]08 Oct 2009
Footprint for wave soldering (REV 1.0) PDF (8.0 kB) SO-SOJ-WAVE [English]08 Oct 2009
Footprint for wave soldering (REV 1.0) PDF (16.0 kB) SSOP-TSSOP-VSO-WAVE [English]08 Oct 2009
IBIS
订购信息
型号状态
PCA9672PWActive
PCA9672DActive
PCA9672BSActive
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
PCA9672PWSOT403-1SSOP-TSSOP-VSO-WAVEReel 13" Q1/T1ActivePCA9672PW,118 (9352 827 47118)PCA9672PCA9672PWAlways Pb-free0.02.05E811
Bulk PackActivePCA9672PW,112 (9352 827 47112)PCA9672PCA9672PWAlways Pb-free0.02.05E811
PCA9672BSSOT758-1Reel 13" Q1/T1ActivePCA9672BS,118 (9352 827 45118)672PCA9672BSAlways Pb-free0.02.05E811
PCA9672DSOT162-1SO-SOJ-REFLOW SO-SOJ-WAVE
SO-SOJ-REFLOW SO-SOJ-WAVE
Reel 13" Q1/T1 in DrypackActivePCA9672D,518 (9352 827 46518)PCA9672DPCA9672DAlways Pb-free0.02.05E812
Tube in DrypackActivePCA9672D,512 (9352 827 46512)PCA9672DPCA9672DAlways Pb-free0.02.05E812
Remote 8-bit I/O expander for Fm+ I2C-bus with interrupt and reset pca9672
Driving stepper motors using NXP® I2C-bus GPIO expanders pca9698
PCA9500/PCA9501 provides simple card maintenance and control using I²C-bus PCA9553
Level shifting techniques in I2C-bus design pca9685pw
I2C-bus specification and user manual pca9685pw
I2C-bus specification and user manual pca9685pw
PCA9698 demonstration board OM6281 PCA9553
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
Versatile, easy-to-use GPIO expanders; NXP® 4/8/16-bit I2C/SMBus GPIO expanders PCA9536/54/54A/55 pcf8570p
Create smarter, more efficient white goods; An industry-leading portfolio of cost-effective, power-saving solutions for... PMEG6010CE_AUTOMOTIVE
PCA9972 IBIS model PCA9672PW
SOT403-1 LPC812M101JDH16
SSOP-TSSOP-VSO-WAVE LPC1114FDH28
Reel 13" Q1/T1 LPC812M101JDH16
plastic thermal enhanced very thin quad flat package; no leads; 16 terminals; body 3 x 3 x 0.85 mm PCF2123
HVQFN16; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or... PCF2123
plastic small outline package; 16 leads; body width 7.5 mm TJF1052IT
Footprint for reflow soldering NPIC6C596A_Q100
Footprint for wave soldering NPIC6C596A_Q100
SO16; Reel dry pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,518 or... TJF1052IT
PCA9672
PCA9633
PCF7900VHN
TJF1052IT