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MAX4373TEUA+

更新时间： 2024-11-28 02:50:43
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
13页 300K
描述
Low-Cost, Micropower, High-Side Current-Sense Amplifier Comparator Reference ICs

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MAX4373TEUA+ 数据手册

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EVALUATION KIT AVAILABLE  
Low-Cost, Micropower, High-Side  
Current-Sense Amplifier +  
MAX4373/MAX4374/MAX4375  
General Description  
Comparator + Reference ICs  
Benefits and Features  
The MAX4373/MAX4374/MAX4375 low-cost, micropow-  
er, high-side current-sense supervisors contain a high-  
side current-sense amplifier, bandgap reference, and  
comparator with latching output. They feature a voltage  
output that eliminates the need for gain-setting resistors,  
making them ideal for today’s notebook computers, cell  
phones, and other systems where battery/DC current  
monitoring is critical. High-side current monitoring is  
especially useful in battery-powered systems since it  
does not interfere with the ground path of the battery  
charger. The 0 to +28V input common-mode range is  
independent of the supply voltage, which ensures that  
the current-sense feedback remains viable even when  
connected to a battery pack in deep discharge.  
• Integrated Current-Sensing Solution Simplifies High-  
Side Current Monitoring  
• Current-Sense Amplifier plus Internal Comparator  
and Bandgap Reference with Improved Accuracy  
• 1mV (max) Input Offset Voltage  
• 2% (max) Full-Scale Accuracy  
• Internal Bandgap Reference ( 1ꢀ.% Accuracy)  
• High Accuracy +2V to +28V Common-Mode Range,  
Functional Down to 0V, Independent of Supply  
Voltage Ensures Current Monitoring Even In Deep  
Discharge of Battery Pack  
• Low Power Consumption Extends Battery Life  
• 50µA Supply Current  
• Single +2ꢀ7V to +28V Operating Supply  
The comparator output of the MAX4373/MAX4374/  
MAX4375 is latched to provide a turn-off flag that  
doesn’t oscillate. In addition, the MAX4374/MAX4375  
contain a second comparator for use in window-detec-  
tion functions. The MAX4373/MAX4374/MAX4375 are  
available in three different gain versions (T = +20V/V,  
F = +50V/V, H = +100V/V) and use an external sense  
resistor to set the sensitivity of the input voltage to the  
load current. These features offer a high level of inte-  
gration, resulting in a simple and compact current-  
sense solution.  
• Latching Comparator Output Eliminates Oscillation  
• Three Gain Versions (+20V/V, +50V/V,  
+100V/V) Support Different Size Battery Packs  
Ordering Information  
PIN-  
PACKAGE  
GAIN  
(V/V)  
PART  
TEMP RANGE  
MAX4373TEUA+ -40°C to +85°C 8 µMAX  
MAX4373TESA+ -40°C to +85°C 8 SO  
MAX4373FEUA+ -40°C to +85°C 8 µMAX  
MAX4373FESA+ -40°C to +85°C 8 SO  
MAX4373HEUA+ -40°C to +85°C 8 µMAX  
MAX4373HESA+ -40°C to +85°C 8 SO  
+20  
+20  
The MAX4373/MAX4374/MAX4375 operate from a sin-  
gle +2.7V to +28V supply and consume 50µA. They are  
specified for the extended operating temperature range  
(-40°C to +85°C) and are available in 8-pin and 10-pin  
µMAX® packages.  
+50  
+50  
+100  
+100  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
Ordering Information continued at end of data sheet.  
Applications  
Notebook Computers  
Typical Operating Circuit  
Portable/Battery-Powered Systems  
Smart Battery Packs/Chargers  
Cell Phones  
I
LOAD  
+ V  
SENSE  
-
V
= 0 TO 28V  
IN  
R
SENSE  
LOAD/  
BATTERY  
RS+  
RS-  
Power-Management Systems  
General-System/Board-Level Current Monitoring  
Precision Current Sources  
V
CC  
V
= 2.7V TO 28V  
CC  
C1  
0.1µF  
MAX4373  
OUT  
CIN  
V
PULL-UP  
R1  
R2  
(UP TO 5V)  
R3  
COUT  
RESET  
µMAX is a registered trademark of Maxim Integrated Products, Inc.  
GND  
Pin Configurations appear at end of data sheet.  
19-1630; Rev 5; 5/15  
1234567...13

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MAX4373TEUA+ 替代型号

型号 品牌 替代类型 描述 数据表
MAX4373TEUA+T MAXIM

类似代替

 Analog Circuit, 1 Func, PDSO8, MICRO MAX PACKAGE-8
MAX4373TEUA MAXIM

类似代替

 Low-Cost, Micropower, High-Side Current-Sense Amplifier Comparator Reference ICs
MAX4373TEUA-T MAXIM

功能相似

 Analog Circuit, 1 Func, PDSO8, MICRO MAX PACKAGE-8

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