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LTC4151CDD-PBF

更新时间： 2024-01-02 13:52:23
品牌 Logo 应用领域
凌特 - Linear 监视器
页数 文件大小 规格书
16页 240K
描述
High Voltage I2C Current and Voltage Monitor

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中文翻译

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LTC4151CDD-PBF 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active包装说明：TSSOP,
针数：10Reach Compliance Code：compliant
风险等级：5.25可调阈值：NO
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：S-PDSO-G10
JESD-609代码：e3长度：3 mm
湿度敏感等级：1信道数量：1
功能数量：1端子数量：10
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装形状：SQUARE封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.1 mm最大供电电压 (Vsup)：80 V
最小供电电压 (Vsup)：7 V标称供电电压 (Vsup)：48 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：0.5 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
宽度：3 mm

LTC4151CDD-PBF 数据手册

 浏览型号LTC4151CDD-PBF的Datasheet PDF文件第7页浏览型号LTC4151CDD-PBF的Datasheet PDF文件第8页浏览型号LTC4151CDD-PBF的Datasheet PDF文件第9页浏览型号LTC4151CDD-PBF的Datasheet PDF文件第11页浏览型号LTC4151CDD-PBF的Datasheet PDF文件第12页浏览型号LTC4151CDD-PBF的Datasheet PDF文件第13页 
LTC4151/LTC4151-1  
APPLICATIONS INFORMATION  
Using Optoisolators with LTC4151-1  
Stuck-Bus Reset  
2
The LTC4151-1 splits the SDA line into SDAI (input)  
and SDAO (inverted output) for convenience of opto-  
coupling with a host controller that sits at a differ-  
ent ground level. When using optoisolators with the  
LTC4151-1, connect the SDAI to the output of the  
incoming optocoupler and connect the SDAO to the anode  
of the outgoing optocoupler (see Figure 9). With the  
outgoing optocoupler clamping SDAO and internal 6V  
(5.5V minimum) clamps on SDAI and SCL, the pull-up  
resistors on these three pins can be directly connected  
The LTC4151/LTC4151-1 I C interface features a stuck-  
bus reset timer. The low conditions of the SCL and the  
SDA/SDAI pins are OR’ed to start the timer. The timer is  
reset when both SCL and SDA/SDAI are pulled high. If the  
SCL pin or the SDA/SDAI pin is held low for over 33ms,  
2
the stuck-bus timer will expire and the internal I C state  
machinewillberesettoallownormalcommunicationafter  
the stuck-bus condition is cleared. The stuck-bus timer  
can be disabled by clearing control register bit G2.  
2
I C Device Addressing  
to V . In this way (with SDAO rather than conventional  
IN  
2
SDAO), the need for a separate low voltage supply for  
pull-ups is eliminated.  
Nine distinct I C bus addresses are configurable us-  
ing the three-state pins ADR0 and ADR1, as shown in  
Table 1. Address bits a6, a5 and a4 are configured to  
(110) and the least significant bit is the R/W bit. In addi-  
tion, the LTC4151 and LTC4151-1 will respond to a mass  
write address (1100 110)b for writing to all LTC4151s  
and LTC4151-1s, regardless of their individual address  
settings.  
Start and Stop Conditions  
2
When the I C bus is idle, both SCL and SDA must remain  
in the high state. A bus master signals the beginning of a  
transmission with a Start condition by transitioning SDA  
from high to low while SCL stays high. When the master  
has finished communicating with the slave, it issues a  
Stop condition by transitioning SDA from low to high  
while SCL stays high. The bus is then free for another  
transmission.  
R
S
3.3V  
0.02Ω  
V
IN  
48V  
R1  
20k  
R2  
20k  
R3  
5.1k  
R5  
R6 R7  
10k 10k  
R4  
1
10  
0.51k 0.51k  
MOCD207M  
+
–
SENSE  
SENSE  
6
8
1
SCL  
2
V
IN  
7
6
2
3
V
DD  
SCL  
7
8
LTC4151-1  
SDAI  
SDA0  
ADIN  
3
4
μ-Controller  
ADR1  
ADR0  
5
1
4
8
5
V
ADIN  
MOCD207M  
SDA  
GND  
9
41511 F09  
2
3
7
6
4
5
Figure 9. Optoisolation of the I2C Interface Between LTC4151-1 and a Microcontroller  
41511fa  
10  
1...78910111213...16

中文翻译

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