PCA9673PW: 带有中断和复位的Fm+ I2C总线远程16位I/O扩展器

PCA9673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。

PCA9673是PCF8575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(400 mA相对100 mA)以支持同时打开所有的25 mA 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。

PCA9673和PCF8575之间的区别是A2地址引脚由PCA9673上的RESET输入取代。

器件由16位准双向端口和I²C总线接口组成。PCA9673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。

还具有中断线路(INT),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(RESET)或软件复位序列引脚会将I/O初始化为输入。

PCA9673PW: 产品结构框图
Outline 3d SOT355-1
数据手册 (1)
名称/描述Modified Date
Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt and reset (REV 2.0) PDF (284.0 kB) PCA9673 [English]29 Sep 2011
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 (1)
名称/描述Modified Date
plastic thin shrink small outline package; 24 leads; body width 4.4 mm (REV 1.0) PDF (353.0 kB) SOT355-1 [English]08 Feb 2016
包装 (1)
名称/描述Modified Date
TSSOP24; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or... (REV 4.1) PDF (227.0 kB) SOT355-1_118 [English]15 Apr 2013
支持信息 (1)
名称/描述Modified Date
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No of bitsVDD [min] (V)VDD [max] (V)Over volt tolerantNo of suppliesStandby current [typ] (µA)Max Sink Current per bit (mA)Max Sink Current, per package (mA)Source Current per bit (mA)Interrupt output pinReset input pinOutput modeInput mode: invert optionInternal pull-up resistor per bit (kOhm)I2C-bus (kHz)Footprint body and leads (mm2)Package namePackage versionOperating Temperature (Cel)No of AddressesRemark
PCA9673PWActive162.35.5Y12.5254000.1YYQuasiInt I source100052.14TSSOP24SOT355-1-40~8516
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
PCA9673PWSOT355-1SSOP-TSSOP-VSO-WAVEReel 13" Q1/T1ActivePCA9673PW,118 (9352 835 58118)PCA9673PWPCA9673PWAlways Pb-free0.02.05E811
Bulk PackActivePCA9673PW,112 (9352 835 58112)PCA9673PWPCA9673PWAlways Pb-free0.02.05E811
Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt and reset pca9673
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
PCA9673 IBIS model PCA9673PW
plastic thin shrink small outline package; 24 leads; body width 4.4 mm 74LVC4245A_Q100
SSOP-TSSOP-VSO-WAVE LPC1114FDH28
TSSOP24; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or... 74LVC4245A_Q100
PCA9673
SA639DH