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| 型号： | MAX4211FEUE+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 19/32页 |
| 文件大小： | 0K |
| 描述： | IC MONITR PWR/CURR HSIDE 16TSSOP |
| 标准包装： | 2,500 |
| 功能： | 电流监控器 |
| 检测方法： | 高端 |
| 精确度： | ±0.5% |
| 输入电压： | 4 V ~ 28 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 带卷 (TR) |
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High-Side Power and
Current Monitors
Functional Diagrams (continued)
+
V SENSE
-
+
V SENSE
-
4V TO
28V
+
-
R SENSE
LOAD
4V TO
28V
+
-
R SENSE
LOAD
V CC
RS+
RS-
V CC
RS+
RS-
2.7V TO
5.5V
+
-
25:1
IOUT
POUT
2.7V TO
5.5V
0 TO 1V
+
-
+
-
IN
IOUT
POUT
INHIBIT
1.21V
REFERENCE
REF
CIN1+
INHIBIT
1.21V
REFERENCE
REF
CIN1+
COUT1
CIN1-
LE
CIN2+
COUT2
CIN2-
MAX4211A
MAX4211B
MAX4211C
GND
Detailed Description
The MAX4210/MAX4211 families of current- and power-
monitoring ICs integrate a precision current-sense
amplifier and an analog multiplier for a variety of cur-
rent and power measurements. The MAX4211 inte-
grates an additional uncommitted 1.21V reference and
two comparators with open-drain outputs. These fea-
tures enable the design of detector circuits for over-
power, overcurrent, overvoltage, or any combination of
fault conditions. The MAX4210/MAX4211 offer various
gains, packages, and configurations allowing for
greater design flexibility and lower overall cost.
These devices monitor the load current with their high-
side current-sense amplifiers and provide an analog
COUT1
CIN1-
LE
CIN2+
COUT2
CIN2-
MAX4211D
MAX4211E
MAX4211F
GND
output voltage proportional to that current at IOUT
(MAX4211). This voltage is fed to the analog multiplier
for multiplying the load current with a source voltage to
obtain a voltage proportional to load power at POUT.
Current-Sense Amplifier
The integrated current-sense amplifier is a differential
amplifier that amplifies the voltage across RS+ and RS-.
A sense resistor, R SENSE , is connected across RS+
and RS-. A voltage drop across R SENSE is developed
when a load current is passed through it. This voltage
is amplified and is proportional to the load current. This
voltage is also fed to the analog multiplier for power-
sensing applications (see the Analog Multiplier sec-
tion). The current-sense amplifiers feature three gain
options: 16.67V/V, 25.0V/V, and 40.96V/V (see Table 1).
______________________________________________________________________________________
19
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4212EUK | 制造商:Maxim Integrated Products 功能描述:5 PIN COUNT SOT PACKAGE TYPE - Rail/Tube 制造商:Maxim Integrated Products 功能描述:IC OP AMP 300MHZ RRO/P SMD 4212 |
| MAX4212EUK+ | 制造商:Maxim Integrated Products 功能描述:OP AMP SGL VOLT FDBK R-R O/P 5.5V/11V 5PIN SOT-23 - Rail/Tube 制造商:Maxim Integrated Products 功能描述:RAIL-TO-RAIL OP AMPS WITH ENABLE |
| MAX4212EUK+T | 功能描述:高速运算放大器 Miniature 300MHz Single-Supply R-R RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX4212EUK+T | 制造商:Maxim Integrated Products 功能描述:IC OP-AMP ((NW)) |
| MAX4212EUK+T | 制造商:Maxim Integrated Products 功能描述:OP AMP 300MHZ RRO/P SMD 4212 |
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