PCA9306: 双路双向I2C总线和SMBus电压电平变换器
PCA9306是一款双路双向I²C和SMBus电压电平变换器，带有使能(EN)输入，工作范围为1.0 V至3.6 V (Vref(1))和1.8 V至5.5 V (Vbias(ref)(2))。
PCA9306允许1.0 V和5 V之间的双向电压变换而无需使用方向引脚。开关的低通态电阻（Ron）允许以最小传输延迟建立连接。当EN为高电平时，变换器开关打开，且SCL1和SDA1 I/O分别连接至SCL2和SDA2 I/O，允许端口之间的双向数据流动。当EN为低电平时，变换器开关关闭，且端口之间存在高阻抗状态。
PCA9306不是类似PCA9509或PCA9517A的总线缓冲器，不能在两侧连接时提供两个电平变换和物理隔离总线任一侧的电容。PCA9306只能在器件禁用时隔离两侧而在激活时提供电压电平变换。
PCA9306也可用于运行两条总线，一条为400 kHz工作频率而另一条为100 kHz工作频率。如果两条总线工作在不同频率上，则另一条总线需要进行400 kHz操作时必须隔离100 kHz总线。如果主器件运行在400 kHz上，则最大系统工作频率可能因变换器添加的延迟而小于400 kHz。
与标准I²C总线系统一样，需要上拉电阻为变换器总线提供逻辑高电平。PCA9306具有I²C总线的标准开集配置。这些上拉电阻的大小取决于系统，但变换器的每一侧必须具备上拉电阻。该器件主要用于配合SMBus器件以及标准模式、快速模式和超快速模式Plus I²C总线器件工作。最大频率取决于RC时间常数，但通常支持 > 2 MHz。
当SDA1或SDA2端口为低电平时，钳位处于通态且SDA1和SDA2端口之间存在低电阻连接。假设SDA2端口上为更高的电压，当SDA2端口为高电平时，SDA1端口上的电压限制为通过VREF1设置的电压。当SDA1端口为高电平时，上拉电阻会将SDA2端口上拉至漏极上拉供电电压(Vpu(D))。此功能允许在用户选择的更高和更低电压之间进行无缝变换，而无需方向控制。SCL1/SCL2通道也可用作SDA1/SDA2通道。
所有通道具有相同的电特性，输出间的电压或传输延迟具有最小的偏差。由于开关是对称制造的，所以这有利于分离式晶体管电压变换解决方案。变换器为低电压器件提供极佳的ESD保护并同时保护低ESD抗性器件。
PCA9306: 产品结构框图
Outline 3d SOT505-2
数据手册 (1)
| 名称/描述 | Modified Date |
|---|---|
| Dual bidirectional I2C-bus and SMBus voltage-level translator (REV 8.0) PDF (440.0 kB) PCA9306 [English] | 22 Jan 2014 |
应用说明 (5)
| 名称/描述 | Modified Date |
|---|---|
| Bidirectional voltage level translators NVT2001/02/03/04/06/08/10, PCA9306, GTL2000/02/03/10 (REV 1.0) PDF (982.0 kB) AN11127 [English] | 17 Apr 2012 |
| MicroPak soldering information (REV 2.0) PDF (245.0 kB) AN10343 [English] | 30 Dec 2010 |
| Level shifting techniques in I2C-bus design (REV 1.0) PDF (52.0 kB) AN10441 [English] | 20 Jun 2007 |
| AN10145 Bi-directional low voltage translators (REV 2.0) PDF (326.0 kB) AN10145 [English] | 11 Aug 2004 |
| I2C manual (REV 1.0) PDF (4.2 MB) AN10216 [English] | 27 Mar 2003 |
用户指南 (3)
| 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 |
| I2C Demonstration Board 2005-1 Quick Start Guide (REV 1.0) PDF (261.0 kB) UM10206 [English] | 13 Jun 2006 |
手册 (1)
| 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 |
封装信息 (7)
| 名称/描述 | Modified Date |
|---|---|
| Plastic extremely thin quad flat package; no leads; 8 terminals (REV 1.3) PDF (206.0 kB) SOT902-2 [English] | 14 Jul 2016 |
| plastic very thin shrink small outline package; 8 leads; body width 2.3 mm (REV 1.1) PDF (245.0 kB) SOT765-1 [English] | 05 Jul 2016 |
| plastic thin shrink small outline package; 8 leads; body width 3 mm; lead length 0.5 mm (REV 1.2) PDF (239.0 kB) SOT505-2 [English] | 08 Jun 2016 |
| extremely thin small outline package; no leads; 8 terminals (REV 1.0) PDF (200.0 kB) SOT1089 [English] | 08 Feb 2016 |
| plastic thin shrink small outline package; 8 leads; body width 3 mm (REV 1.0) PDF (240.0 kB) SOT505-1 [English] | 08 Feb 2016 |
| plastic small outline package; 8 leads; body width 3.9 mm (REV 1.0) PDF (244.0 kB) SOT96-1 [English] | 08 Feb 2016 |
| plastic extremely thin small outline package; no leads; 8 terminals; body 3 x 2 x 0.5 mm (REV 1.0) PDF (190.0 kB) SOT996-2 [English] | 08 Feb 2016 |
包装 (7)
报告或演示文稿 (1)
| 名称/描述 | Modified Date |
|---|---|
| design_con_2003_tecforum_i2c_b_1 (REV 0.1) PDF (4.2 MB) DESIGN_CON_2003_TECFORUM_I2C_B_1 [English] | 27 Jan 2003 |
支持信息 (5)
| 名称/描述 | Modified Date |
|---|---|
| Reflow Soldering Profile (REV 1.0) PDF (34.0 kB) REFLOW_SOLDERING_PROFILE [English] | 30 Sep 2013 |
| Wave Soldering Profile (REV 1.0) PDF (20.0 kB) WAVE_SOLDERING_PROFILE [English] | 30 Sep 2013 |
| MAR_SOT1089 Topmark (REV 1.0) PDF (76.0 kB) MAR_SOT1089 [English] | 03 Jun 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
- PCA9306 IBIS model (REV 1.0) ZIP PCA9306_1 8/19/2014
订购信息
| 型号 | 状态 |
|---|---|
| PCA9306DP1 | Active |
| PCA9306GF | Active |
| PCA9306DC | Active |
| PCA9306GD1 | Active |
| PCA9306DP | Active |
| PCA9306D | Active |
| PCA9306GM | Active |
| PCA9306DC1 | Active |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PCA9306GM |  | SOT902-2 | Reel 7" Q3/T4, Reverse | Active | PCA9306GM,125 (9352 831 23125) | Standard Marking | PCA9306GM |    | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 | |
| PCA9306DC1 |  | SOT765-1 | Reel 7" Q3/T4, Reverse | Active | PCA9306DC1,125 (9352 831 24125) | P06 | PCA9306DC1 |  | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 | |
| PCA9306DC1/DG | | SOT765-1 | Reel 7" Q3/T4, Reverse | Active | PCA9306DC1/DG,125 (9352 965 24125) | P06 | PCA9306DC1/DG | | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 | |
| PCA9306DC | | SOT765-1 | Reel 7" Q3/T4, Reverse | Active | PCA9306DC,125 (9352 831 21125) | 306C | PCA9306DC | | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 | |
| PCA9306DP1 | | SOT505-2 | Reel 7" Q3/T4, Reverse | Active | PCA9306DP1,125 (9352 831 22125) | 306T | PCA9306DP1 | | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 | |
| PCA9306DP |  | SOT505-1 | Reflow_Soldering_Profile | Reel 13" Q1/T1 | Active | PCA9306DP,118 (9352 831 18118) | 306P | PCA9306DP | | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 |
| PCA9306D |  | SOT96-1 | SO-SOJ-REFLOW
SO-SOJ-WAVE SO-SOJ-REFLOW SO-SOJ-WAVE | Reel 13" Q1/T1 | Active | PCA9306D,118 (9352 831 19118) | PCA9306 | PCA9306D | | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 |
| Bulk Pack | Active | PCA9306D,112 (9352 831 19112) | PCA9306 | PCA9306D | | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 | ||||
| PCA9306GD1 |  | SOT996-2 | Reel 7" Q3/T4, Reverse | Active | PCA9306GD1,125 (9352 908 55125) | P06 | PCA9306GD1 | | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 | |
| PCA9306GF |  | SOT1089 | Reel 7" Q1/T1 | Active | PCA9306GF,115 (9352 911 05115) | 6 | PCA9306GF | | Always Pb-free | 0.0 | 2.0 | 5E8 | 1 | 1 |
- Bidirectional voltage level translators NVT2001/02/03/04/06/08/10, PCA9306, GTL2000/02/03/10 pca9306
- MicroPak soldering information NTS0102_Q100
- Level shifting techniques in I2C-bus design pca9685pw
- AN10145 Bi-directional low voltage translators pca9922pw
- I2C manual se98apw
- I2C-bus specification and user manual pca9685pw
- I2C-bus specification and user manual 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
- design_con_2003_tecforum_i2c_b_1 lm75a
- Reflow_Soldering_Profile Wave_Soldering_Profile LPC1112FD20
- MAR_SOT1089 Topmark pca9306
- PCA9306 IBIS model PCA9306DP1
- Plastic extremely thin quad flat package; no leads; 8 terminals pca9509agm
- XQFN8(U); Reel pack, reverse; SMD, 7" Q3/T4 Standard product orientation Orderable part number ending ,125 or... pca9509agm
- plastic very thin shrink small outline package; 8 leads; body width 2.3 mm 74LVC3G17_Q100
- VSSOP8; Reel pack, reverse; SMD, 7" Q3/T4 Standard product orientation Orderable part number ending ,125 or... 74LVC3G17_Q100
- plastic thin shrink small outline package; 8 leads; body width 3 mm; lead length 0.5 mm 74LVC3G17_Q100
- TSSOP8: Reel pack, reverse; SMD, 7" Q3/T4 Standard product orientation Orderable part number ending ,125 or... 74LVC3G17_Q100
- plastic thin shrink small outline package; 8 leads; body width 3 mm pesd5v0l7bas
- Reflow_Soldering_Profile Wave_Soldering_Profile LPC1112FD20
- TSSOP8; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or... pesd5v0l7bas
- 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
- plastic extremely thin small outline package; no leads; 8 terminals; body 3 x 2 x 0.5 mm 74AHC_T_3G14_Q100
- XSON8(U); Reel pack, Reverse; SMD, 7" Q3/T4 Standard product orientation Orderable part number ending ,125 or... 74AHC_T_3G14_Q100
- extremely thin small outline package; no leads; 8 terminals pca9306
- XSON8; Reel pack; SMD, 7" Q1/T1 Standard product orientation Orderable part number ending ,115 or X Ordering... pca9306
- PCA9306
- 74LVC3G17
- XC7WT14
- XC7WT14
- PCT2075
- SA612A
- LM75B
- 74LVC3G17
