PCA9515AD: I²C总线转发器
PCA9515A是一款CMOS集成电路，主要用于I²C总线和SMBus系统应用。
在保留I²C总线系统所有工作模式和功能的同时，它允许通过缓冲数据(SDA)和时钟(SCL)线路以允许扩展I²C总线，从而可使用两条400 pF的总线。
400 pF的I²C总线电容极限会限制器件数和总线长度。使用PCA9515A能使系统设计师将总线隔离成两半，因此能有更多的器件或更长的长度。它还可用于运行两条总线，一条为5 V而另一条为3.3 V或400 kHz和100 kHz总线，当另一条总线需要400 kHz操作时会隔离100 kHz总线。
无法串联 两个或多个%%/strongstrong class="ph b"/%% 。PCA9515A的设计不允许此配置。由于没有方向引脚，所以使用稍有不同的“合法”低电压以避免输入和输出之间的锁定状况。PCA9515A的输入上应用的“常规低电平”会以稍高的值作为“缓冲低电平”传输。当此“缓冲低电平”应用至串联的另一PCA9515A、PCA9516A或PCA9518/A时，第二个PCA9515A、PCA9516A或PCA9518/A不会将其识别为“常规低电平”且不会再次将其作为“缓冲低电平”传输。PCA9510/A、PCA9511/A、PCA9512/A、PCA9513/A、PCA9514/A无法与PCA9515A、PCA9516A或PCA9518/A串联使用，但可与其自身串联使用，因为其使用切换而非静态偏移以避免锁定状况。
每个内部缓冲器的输出下拉设为大约0.5 V，而每个内部缓冲器的输入阈值设为比输出为内部驱动LOW时的低大约0.07 V。这能防止发生锁定状况。
PCA9515AD: 产品结构框图
sot096-1_3d
数据手册 (1)
| 名称/描述 | Modified Date |
|---|---|
| I2C-bus repeater (REV 5.0) PDF (217.0 kB) PCA9515A [English] | 23 Mar 2012 |
应用说明 (4)
| 名称/描述 | Modified Date |
|---|---|
| Single card I2C bus buffers (REV 1.0) PDF (238.0 kB) AN10419 [English] | 16 Nov 2010 |
| Level shifting techniques in I2C-bus design (REV 1.0) PDF (52.0 kB) AN10441 [English] | 20 Jun 2007 |
| PCA954X FAMILY OF I²C / SMBus MULTIPLEXERS and SWITCHES (REV 2.0) PDF (807.0 kB) AN262 [English] | 01 Oct 2004 |
| I2C / SMBus Repeaters, Hubs and Expanders (REV 2.0) PDF (1.0 MB) AN255 [English] | 19 Dec 2002 |
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 |
| PCA9600 demonstration board OM6293 (REV 1.0) PDF (130.0 kB) UM10323 [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 (4)
| 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 |
| I2C/SMBus buffers for backplane multi-point and hot-swap applications; NXP® Level-shifting and... (REV 1.0) PDF (773.0 kB) 75016530 [English] | 01 Jul 2008 |
| Evaluate the I2C-bus with a comprehensive kit; NXP® I2C 2002-1A evaluation board kits OM6285 and OM6278 (REV 1.0) PDF (1.8 MB) 75016531 [English] | 01 Jul 2008 |
| Extend the I2C-bus with advanced repeaters and hubs; NXP® 2-channel I2C-bus repeaters PCA9515x and... (REV 1.0) PDF (740.0 kB) 75016532 [English] | 01 Jul 2008 |
封装信息 (1)
| 名称/描述 | Modified Date |
|---|---|
| plastic small outline package; 8 leads; body width 3.9 mm (REV 1.0) PDF (244.0 kB) SOT96-1 [English] | 08 Feb 2016 |
包装 (1)
| 名称/描述 | Modified Date |
|---|---|
| SO8; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering... (REV 2.0) PDF (232.0 kB) SOT96-1_118 [English] | 19 Apr 2013 |
支持信息 (3)
| 名称/描述 | Modified Date |
|---|---|
| Wave Soldering Profile (REV 1.0) PDF (20.0 kB) WAVE_SOLDERING_PROFILE [English] | 30 Sep 2013 |
| 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 |
IBIS
- PCA9515 IBIS model (REV 1.0) ibs PCA9515A_1 8/19/2014
订购信息
| 型号 | 状态 | Package version | 应用 | Enable | 功能 | Operating Temperature (Cel) | Number of bits | Voltage Translation Range (V) | Operating voltage (VDC) | Operating voltage 2 (V) | Inputs | Outputs | TTL Drive (mA) | GTL Drive (mA) | I2C-bus (kHz) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PCA9515AD | Active | SOT96-1 | -40~85 | 2.3~3.6_tolerant_to_5.5 VDC | 1 | 1 | 400 | ||||||||
| PCA9515AD/G | No Longer Manufactured | SOT96-1 | -40~85 | 2.3~3.6_tolerant_to_5.5 VDC | 1 | 1 | 400 |
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 | EFR | IFR(FIT) | MTBF（小时） | MSL | MSL LF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PCA9515AD | | SOT96-1 | SO-SOJ-REFLOW
SO-SOJ-WAVE SO-SOJ-REFLOW SO-SOJ-WAVE | Reel 13" Q1/T1 | Active | PCA9515AD,118 (9352 767 66118) | PA9515A | PCA9515AD |    | week 5, 2005 | 0.0 | 2.0 | 5E8 | 1 | 1 |
| Bulk Pack | Active | PCA9515AD,112 (9352 767 66112) | PA9515A | PCA9515AD | | week 5, 2005 | 0.0 | 2.0 | 5E8 | 1 | 1 |
- I2C-bus repeater pca9515adp
- Single card I2C bus buffers pca9518apw
- Level shifting techniques in I2C-bus design pca9685pw
- PCA954X FAMILY OF I²C / SMBus MULTIPLEXERS and SWITCHES pca9516apw
- I2C / SMBus Repeaters, Hubs and Expanders pca9600
- I2C-bus specification and user manual pca9685pw
- I2C-bus specification and user manual pca9685pw
- PCA9600 demonstration board OM6293 pca9600
- 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
- I2C/SMBus buffers for backplane multi-point and hot-swap applications; NXP® Level-shifting and... pca9518apw
- Evaluate the I2C-bus with a comprehensive kit; NXP® I2C 2002-1A evaluation board kits OM6285 and OM6278 lm75a
- Extend the I2C-bus with advanced repeaters and hubs; NXP® 2-channel I2C-bus repeaters PCA9515x and... pca9600
- Reflow_Soldering_Profile Wave_Soldering_Profile LPC1112FD20
- PCA9515 IBIS model PCA9515AD
- plastic small outline package; 8 leads; body width 3.9 mm CBT3306_Q100
- Footprint for reflow soldering NPIC6C596A_Q100
- Footprint for wave soldering NPIC6C596A_Q100
- SO8; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering... CBT3306_Q100
- PCA9515ADP
- SA612A
