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Showing Results For: Current Sensing Amplifiers

Current Sensing Amplifiers

Current sensing circuits are used to measure the voltage by the time it outputs since that is directly proportional to the flowing power current. A resistor is made available to convert the not suitable current to a small voltage and, in the end, it amplifies that perfectly. Real-time overcurrent is being protected by these devices.

What to Consider When Choosing the Right Type of Current Sensing Amplifier? 

The sort of amplifier you select will depend on several parameters, including whether the measurement will be on the high or low side. The sensing resistor can be positioned either between the load and ground or between the supply voltage and the load. The first is known as "high-side sensing," and the second is known as " low-side sensing." High voltage current sensing circuits are perfect for applications like motor control and network routers since they have input ranges of up to +76V and down to -20V. Battery life is increased and prolonged with low power current detecting amplifiers.

How Does a Current Sensing Amplifier Function?

A current detecting amplifier operates based on Ohm's law. A voltage drop known as VSENSE is produced when load current runs through a shunt resistor (Rshunt) that is present on inputs. Typically, this voltage is low to reduce power dissipation losses.

What are the Various Applications of Current Sensing Amplifiers?

Current sensing must be carried out perfectly and accurately in such applications since this is a crucial step in leveling up and optimizing the performance range of applications, such as power management and motor control. They are also found in devices where the battery or power-line monitoring is highly used, such as laptops, desktops, phones, and peripherals. These current sensing amplifier devices are critical in such applications.


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Maxim Integrated
Rohs Verified
MAX40056UAUA/V+, Maxim Integrated
598 In Stock
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50 +
£ 1.93
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£ 1.62
250 +
£ 1.56
STMicroelectronics
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TSC199A2ICT, STMicroelectronics
2998 In Stock
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1 +
£ 0.48
Maxim Integrated
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MAX4377TASA+, Maxim Integrated
164 In Stock
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100 +
£ 2.18
Rohs Verified
NCS210RSQT2G, onsemi
38615 In Stock
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3000 +
£ 0.24
STMicroelectronics
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TSC199A3IQT, STMicroelectronics
2998 In Stock
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£ 1.32
STMicroelectronics
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TSC201IYDT, STMicroelectronics
2498 In Stock
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1 +
£ 1.61
NCS199A2RSQT2G, onsemi
3307 In Stock
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3000 +
£ 0.11
Maxim Integrated
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MAX9919FASA+, Maxim Integrated
927 In Stock
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100 +
£ 1.66
DiodesZetex
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ZXCT1009FTA, DiodesZetex
44998 In Stock
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3000 +
£ 0.34
STMicroelectronics
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TSC199A1IQT, STMicroelectronics
2998 In Stock
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£ 0.68
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NCS199A3RSQT2G, onsemi
8833 In Stock
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3000 +
£ 0.21
NCS214RSQT2G, onsemi
26277 In Stock
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3000 +
£ 0.17
STMicroelectronics
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TSC201IYST, STMicroelectronics
3998 In Stock
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£ 2.28
Analog Devices
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AD8210YRZ-REEL7, Analog Devices
2998 In Stock
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1000 +
£ 3.07
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NCV214RSQT2G, onsemi
25361 In Stock
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3000 +
£ 0.30
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NCV210RSQT2G, onsemi
2404 In Stock
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3000 +
£ 0.28
DiodesZetex
ZXCT1107SA-7, DiodesZetex
3 In Stock
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£ 0.39
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ZXCT1022E5TA, DiodesZetex
5233 In Stock
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£ 1.14
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TSC1801BIYLT, STMicroelectronics
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£ 0.50
NCV7030DM2G014R2G, onsemi
3998 In Stock
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£ 0.55
BD14220G-CTR, ROHM
98 In Stock
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£ 0.90
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£ 0.73
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£ 0.56
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TSC200, STMicroelectronics
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£ 2.38
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£ 2.31
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£ 2.26
BD14230FVJ-CE2, ROHM
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£ 1.35
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£ 1.19
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£ 1.06
BD14231FVJ-CE2, ROHM
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£ 1.22
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£ 1.08
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£ 0.97
BD14232FVJ-CE2, ROHM
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£ 1.22
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£ 1.08
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£ 0.97
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New Items
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MAX9922EUB+, Maxim

MAX9922EUB+, Maxim

Ultra-Precision VOS Over Temperature MAX9922: ±10μV (max) MAX9923T: ±25μV (max) MAX9923H: ±20μV (max) MAX9923F: ±10μV (max) ±0.5% (max) Full-Scale Gain Accuracy Bidirectional or Unidirectional ISENSE Multiple Gains Available Adjustable (MAX9922) +25V/V (MAX9923T) +100V/V (MAX9923H) +250V/V (MAX9923F) 1.9V to 28V Input Common-Mode Voltage VDD Supply Voltage: +2.85V to +5.5V 700μA Supply Current, 1μA Shutdown Current Extended Temperature Range (-40°C to +85°C) Available in Space-Saving 10-Pin μMAX Applications Handheld Li+ Battery Current Monitoring Notebook/Desktop Power Management Precision Current Sources
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ZXCT1022E5TA, DiodesZetex

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MAX44284FAUT+T, Maxim Integrated
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MAX44284FAUT+T, Maxim

MAX44284FAUT+T, Maxim

36V PRECISION CURRENT-SENSE AMP Maxim Integrated’s MAX44284 is a high-side, current sense amplifier that operates with a 1.7V to 5.5V single supply and is optimized for very low power operation with only 21μA of quiescent current. Maxim offers a huge range of operational amplifiers or as some people know them op amps, current-sense amplifiers, and comparators for signal conditioning, monitoring, and control applications. The MAX44284 is offered in small 6-bump, 0.4mm-pitch WLP (1.3mm x 0.9mm) and 6-pin SOT23 packages and is specified for operation over the -40°C to +125°C automotive temperature range. Features and Benefits • Supports Use of Small Current-Sense Resistors to Improve Power-Supply Conversion Efficiency and Measurement Accuracy, • Extends Battery Life, • Four Fixed Gain Options Simplify Design, • Extremely Low 50nV/°C Input Offset Tempco Coefficient, • -0.1V to +36V Wide Input Common-Mode Range, • Low 0.05% Gain Error. Applications • Base-Stations • DC-DC Current Sensing in Power Management • Medical Pulse Oximeters and Infusion Pumps • Notebook Computers • Portable-/Battery-Powered Systems • Smartphones and Tablets
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TSC199A2ICT, STMicroelectronics

TSC199A2ICT, STMicroelectronics

The STMicroelectronics Zero-drift current sense amplifiers that can sense current via a shunt resistor over a wide range of common-mode voltages from -0.3 V to +26 V, whatever the supply voltage is. It is available in three different versions, each of them having a different gain: 50 V/V, 100 V/V, and 200 V/V. This current sense amplifiers is designed with a specific zero-drift architecture, which can achieve high precision. The Current sense amplifiers is able to sense very low drop voltages, as low as 10 mV full scale, minimizing measurement error. Different gain available Wide common mode voltage
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LTC6102HMS8#PBF, Linear Technology

LTC6102HMS8#PBF, Linear Technology

Current Sensing Amplifiers, Linear Technology Linear Technology’s family of high-side current sense amplifiers allow current measurements to be made via an external resistor in the presence of high common mode voltages. Both voltage and current output types are available, together with both single and dual package versions. Current Sensing Amplifiers have a voltage output that is proportional to the volt drop across a very low value resistor, usually in a high-current power rail. Hence they measure the current flowing in that power rail.
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MAX9611AUB+T, Maxim

MAX9611AUB+T, Maxim

0V to +60V Input Common-Mode Voltage Range 2.7V to 5.5V Power-Supply Range, Compatible with 1.8V and 3.3V Logic 5μA Software Shutdown Current Integrated 12-Bit ADC 13μV Current-Sense ADC Resolution 500μV (max) Current-Sense ADC Input Offset Voltage 0.5% (max) Current-Sense ADC Gain Error I²C Bus with 16 Addresses Small, 3mm x 5mm 10-Pin μMAX Package -40°C to +125°C Operating Temperature Range Applications Base-Station Feeder Cable Bias-T Base-Station PA Control Battery-Operated Equipment Hybrid Automotive Power Supplies Server Backplanes Telecom Cards
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MAX4372FESA+, Maxim Integrated

MAX4372FESA+, Maxim Integrated

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MAX4081FASA+, Maxim

MAX4081FASA+, Maxim

Current Sensing Amplifiers, Maxim Integrated Current Sensing Amplifiers have a voltage output that is proportional to the volt drop across a very low value resistor, usually in a high-current power rail. Hence they measure the current flowing in that power rail.
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AD22057RZ-RL, Analog Devices

AD22057RZ-RL, Analog Devices

Current Sensing Amplifiers, Analog Devices Current Sense Amplifiers accurately amplify small voltages in the presence of large common-mode voltage. Current Sensing Amplifiers have a voltage output that is proportional to the volt drop across a very low value resistor, usually in a high-current power rail. Hence they measure the current flowing in that power rail.
New items
MAX4372HEUK+T, Maxim Integrated

MAX4372HEUK+T, Maxim Integrated

IC OPAMP CUR SENS 110KHZ SOT23-5
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