參數(shù)資料
型號(hào)： MAX4210-MAX4211
廠商： Maxim Integrated Products, Inc.
英文描述： High-Side Power and Current Monitors
中文描述： 高邊功率，電流監(jiān)視器
文件頁(yè)數(shù)： 19/32頁(yè)
文件大小： 620K
代理商： MAX4210-MAX4211
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
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).
M
High-Side Power and
Current Monitors
______________________________________________________________________________________
19
Functional Diagrams (continued)
+
-
MAX4211A
MAX4211B
MAX4211C
IOUT
V
CC
+
RS-
RS+
-
R
SENSE
V
SENSE
LOAD
1.21V
REFERENCE
POUT
REF
2.7V TO
5.5V
+
-
4V TO
28V
CIN1+
INHIBIT
COUT1
COUT2
LE
CIN1-
CIN2+
CIN2-
GND
+
-
MAX4211D
MAX4211E
MAX4211F
IOUT
V
CC
+
RS-
RS+
-
R
SENSE
V
SENSE
LOAD
1.21V
REFERENCE
POUT
REF
2.7V TO
5.5V
+
-
0 TO 1V
+
-
4V TO
28V
CIN1+
INHIBIT
COUT1
COUT2
LE
CIN1-
CIN2+
CIN2-
GND
IN
25:1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX4211AETE 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 High-Side Power & Current Monitor RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
MAX4211AETE+ 制造商:Maxim Integrated Products 功能描述:HIGH SIDE PWR AND CURRENT MONITOR 16TQFN EP - Rail/Tube
MAX4211AETE-T 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 High-Side Power & Current Monitor RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
MAX4211AEUE 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 High-Side Power & Current Monitor RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
MAX4211AEUE+ 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 High-Side Power & Current Monitor RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
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