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UCC3926DSTR

更新时间： 2024-11-20 04:27:03
品牌 Logo 应用领域
德州仪器 - TI 传感器
页数 文件大小 规格书
9页 262K
描述
【 20A Integrated Current Sensor

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中文翻译

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UCC3926DSTR 数据手册

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application  
INFO  
UCC1926  
UCC2926  
UCC3926  
available  
±20A Integrated Current Sensor  
FEATURES  
DESCRIPTION  
• Integral Non-inductive Current Sense  
Element with Internal Kelvin  
Connections  
The UCC3926 Current Sensor IC contains a wideband, transimpedance  
amplifier for converting the current through an internal, non-inductive  
1.3mΩ shunt resistor into a proportional voltage. The sense element oper-  
ates in both high-side (VDD referenced) and low-side (GND referenced) ap-  
plications.  
• 20A Current Rating  
• Bi-directional, High Side or Low Side  
The UCC3926 can measure currents up to ±20A. This transimpedance am-  
plifier gain is precisely trimmed to 33.3mΩ to convert a 15A input into a  
500mV output signal. It has a very low input offset voltage from chop-  
per-stabilization. A cross-switching block rectifies the input signal by forcing  
the differential output, AOP positive with respect to the other differential  
output, AON. SIGN indicates the polarity of the current.  
Sensing  
• Internal Temperature Nulling Circuitry  
for Current Sense Element and  
Amplifier  
• Logic Compatible Current Direction  
Status Output  
The UCC3926 programmable amplifier provides three functions. It converts  
the differential transimpedance output signal into a single-ended signal. It  
has a user-controlled gain stage that sets the maximum current level to the  
desired voltage and it level shifts the zero current point to the desired level  
as well. A comparator then compares the output of the instrumentation am-  
plifier to a user-set reference voltage on OCREF, which provides an  
overcurrent status bit OC.  
• Low Offset, Chopper Stabilized  
Current Sense Amplifier  
• Uncommitted Amplifier with User  
Programmable Gain  
• Overcurrent Indication with User  
Programmable Threshold  
The UCC3926 is available in the 16 pin SOIC package.  
BLOCK DIAGRAM  
UDG-97139-1  
SLUS266A - OCTOBER 1999  
1234567...9

中文翻译

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UCC3926DSTR 替代型号

型号 品牌 替代类型 描述 数据表
UCC2926DSTR TI

功能相似

 【 20A Integrated Current Sensor
UCC2926DS TI

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 【 20A Integrated Current Sensor
UCC3926DS TI

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 【 20A Integrated Current Sensor

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