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UCC3926PWP PDF预览

UCC3926PWP

更新时间： 2024-11-20 21:19:59
品牌 Logo 应用领域
德州仪器 - TI 信息通信管理光电二极管
页数 文件大小 规格书
9页 214K
描述
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, TSSOP-8

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中文翻译

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UCC3926PWP 技术参数

生命周期：Obsolete零件包装代码：SOIC
包装说明：TSSOP,针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.84
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G8长度：4.4 mm
信道数量：1功能数量：1
端子数量：8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：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH认证状态：Not Qualified
座面最大高度：1.2 mm表面贴装：YES
技术：BICMOS温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL宽度：3 mm
Base Number Matches：1

UCC3926PWP 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

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