Current Sensing Amplifiers

Current sensing amplifiers measure current by outputting a voltage that is proportional to the flowing power current. A resistor is used to convert the load current to a small voltage which is then accurately amplified. They offer real-time overcurrent protection.

What are the different applications of current sensing amplifiers?

Accurate current sensing is crucial to optimising p...

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INA181A3IDBVR Texas Instruments Voltage Current Sensing Amplifier Single 6-Pin SOT-23
RS Stock No.268-7486BrandTexas InstrumentsManufacturers Part No.INA181A3IDBVRHSN Code85423390

SR 3,588.00

SR 1.196 Each (On a Reel of 3000) (ex VAT)

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Texas Instruments
Current Sensing Amplifier
Single
2.7V
5V
-
-
100dB
1
-
-
260μA
-
-
SOT-23
6
-
-55°C
-
-
-
1.6 mm
-
2.9mm
-
RoHS
1.6mm
-
Voltage
-
No
-
-
150°C
INA181A3IDBVR Texas Instruments Voltage Current Sensing Amplifier Single 6-Pin SOT-23
Also available in industry standard packaging
RS Stock No.268-7487BrandTexas InstrumentsManufacturers Part No.INA181A3IDBVRHSN Code85423390

SR 47.15

SR 1.886 Each (In a Pack of 25) (ex VAT)

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Texas Instruments
Current Sensing Amplifier
Single
2.7V
5V
-
-
100dB
1
-
-
260μA
-
-
SOT-23
6
-
-55°C
-
-
-
1.6 mm
-
2.9mm
-
RoHS
1.6mm
-
Voltage
-
No
-
-
150°C
INA190A2IRSWR Texas Instruments Voltage Current Sensing Amplifier Single 10-Pin QFN
RS Stock No.268-7488BrandTexas InstrumentsManufacturers Part No.INA190A2IRSWRHSN Code85423390

SR 20,838.00

SR 6.946 Each (On a Reel of 3000) (ex VAT)

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Texas Instruments
Current Sensing Amplifier
Single
1.7V
5V
-
-
150dB
1
-
-
65μA
-
-
QFN
10
-
-55°C
-
-
-
-
-
-
-
RoHS
1.4mm
-
Voltage
-
No
-
-
150°C
INA190A2IRSWR Texas Instruments Voltage Current Sensing Amplifier Single 10-Pin QFN
Also available in industry standard packaging
RS Stock No.268-7489BrandTexas InstrumentsManufacturers Part No.INA190A2IRSWRHSN Code85423390

SR 73.48

SR 14.697 Each (In a Pack of 5) (ex VAT)

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Texas Instruments
Current Sensing Amplifier
Single
1.7V
5V
-
-
150dB
1
-
-
65μA
-
-
QFN
10
-
-55°C
-
-
-
-
-
-
-
RoHS
1.4mm
-
Voltage
-
No
-
-
150°C
INA190A4IRSWR Texas Instruments Voltage Current Sensing Amplifier Single 10-Pin UQFN
Also available in industry standard packaging
RS Stock No.268-7492BrandTexas InstrumentsManufacturers Part No.INA190A4IRSWRHSN Code85423390

SR 66.36

SR 13.271 Each (In a Pack of 5) (ex VAT)

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Texas Instruments
Current Sensing Amplifier
Single
1.7V
5V
-
-
150dB
1
-
-
65μA
-
-
UQFN
10
-
-55°C
-
-
-
-
-
-
-
RoHS
1.4mm
-
Voltage
-
No
-
-
150°C
INA190A4IRSWR Texas Instruments Voltage Current Sensing Amplifier Single 10-Pin UQFN
RS Stock No.268-7490BrandTexas InstrumentsManufacturers Part No.INA190A4IRSWRHSN Code85423390

SR 21,735.00

SR 7.245 Each (On a Reel of 3000) (ex VAT)

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Texas Instruments
Current Sensing Amplifier
Single
1.7V
5V
-
-
150dB
1
-
-
65μA
-
-
UQFN
10
-
-55°C
-
-
-
-
-
-
-
RoHS
1.4mm
-
Voltage
-
No
-
-
150°C
INA199A3DCKT Texas Instruments Voltage Current Shunt Monitor Single 6-Pin SC-70
RS Stock No.268-7493BrandTexas InstrumentsManufacturers Part No.INA199A3DCKTHSN Code85423390

SR 1,083.88

SR 4.336 Each (On a Reel of 250) (ex VAT)

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Texas Instruments
Current Shunt Monitor
Single
2.7V
26V
-
-
120dB
1
-
-
100μA
-
-
SC-70
6
-
-40°C
-
-
-
-
-
2mm
-
RoHS
1.25mm
-
Voltage
-
No
-
-
125°C
INA199A3DCKT Texas Instruments Voltage Current Shunt Monitor Single 6-Pin SC-70
Also available in industry standard packaging
RS Stock No.268-7494BrandTexas InstrumentsManufacturers Part No.INA199A3DCKTHSN Code85423390

SR 51.52

SR 5.152 Each (In a Pack of 10) (ex VAT)

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Texas Instruments
Current Shunt Monitor
Single
2.7V
26V
-
-
120dB
1
-
-
100μA
-
-
SC-70
6
-
-40°C
-
-
-
-
-
2mm
-
RoHS
1.25mm
-
Voltage
-
No
-
-
125°C
ISL28005FH50Z-T7A Renesas Electronics Rail to Rail Current Sensing Amplifier 5-Pin 5LD SOT-23
RS Stock No.263-8907BrandRenesas ElectronicsManufacturers Part No.ISL28005FH50Z-T7AHSN Code85423390

SR 2,702.50

SR 10.81 Each (On a Reel of 250) (ex VAT)

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Renesas Electronics
Current Sensing Amplifier
-
50V
28V
-
-
105dB
-
-
-
20mA
Surface
-
5LD SOT-23
5
-
-40°C
-
-
-
1.6 mm
ISL28005
1.14mm
-
RoHS
2.9mm
-
Rail to Rail
-
No
-
-
125°C
ISL28005FH50Z-T7A Renesas Electronics Rail to Rail Current Sensing Amplifier 5-Pin 5LD SOT-23
Also available in industry standard packaging
RS Stock No.263-8908BrandRenesas ElectronicsManufacturers Part No.ISL28005FH50Z-T7AHSN Code85423390

SR 32.04

SR 16.02 Each (In a Pack of 2) (ex VAT)

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Renesas Electronics
Current Sensing Amplifier
-
50V
28V
-
-
105dB
-
-
-
20mA
Surface
-
5LD SOT-23
5
-
-40°C
-
-
-
1.6 mm
ISL28005
1.14mm
-
RoHS
2.9mm
-
Rail to Rail
-
No
-
-
125°C
ISL28006FH20Z-T7A Renesas Electronics Rail to Rail Current Sensing Amplifier Single 5-Pin 5LD SOT-23
RS Stock No.263-8909BrandRenesas ElectronicsManufacturers Part No.ISL28006FH20Z-T7AHSN Code85423390

SR 5,646.50

SR 22.586 Each (On a Reel of 250) (ex VAT)

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Renesas Electronics
Current Sensing Amplifier
Single
20V
28V
-
-
105dB
-
-
-
20mA
Surface
-
5LD SOT-23
5
-
-40°C
-
-
-
1.6 mm
ISL28006
1.14mm
-
RoHS
2.9mm
-
Rail to Rail
-
No
-
-
125°C

SR 61.69

SR 30.843 Each (In a Pack of 2) (ex VAT)

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Renesas Electronics
Current Sensing Amplifier
Single
20V
28V
-
-
105dB
-
-
-
20mA
Surface
-
5LD SOT-23
5
-
-40°C
-
-
-
1.6 mm
ISL28006
1.14mm
-
RoHS
2.9mm
-
Rail to Rail
-
No
-
-
125°C
MCP39F511AT-E/MQ Microchip Current, Voltage Power Meter Dual 28-Pin QFN
RS Stock No.598-504BrandMicrochipManufacturers Part No.MCP39F511AT-E/MQHSN Code85423990

SR 80,719.65

SR 24.46 Each (On a Reel of 3300) (ex VAT)

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Microchip
Power Meter
Dual
-
-
-
-
-
-
-
-
-
-
-
QFN
28
-
-
-
-
-
-
-
-
-
-
-
-
Current, Voltage
-
-
-
-
-
MCP6C02T-050E/CHY Microchip Current, Voltage Current Sensing Amplifier Single, Dual 6-Pin SOT-23
RS Stock No.598-729BrandMicrochipManufacturers Part No.MCP6C02T-050E/CHYHSN Code85423390

SR 30,705.00

SR 10.235 Each (On a Reel of 3000) (ex VAT)

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Microchip
Current Sensing Amplifier
Single, Dual
2V
5.5V
-
-
132dB
1
-
-
490μA
Surface
-
SOT-23
6
-
-40°C
-
-
-
-
MCP6C02T
1.45mm
-
REACH, AEC‑Q100, RoHS, Pb‑Free
-
-
Current, Voltage
-
AEC-Q100
-
-
125°C
NCS21673SN2G020T1G onsemi Voltage Current Sensing Amplifier Single 5-Pin TSOP-5
Also available in industry standard packaging
RS Stock No.277-022BrandonsemiManufacturers Part No.NCS21673SN2G020T1GHSN Code85423390

SR 59.92

SR 5.992 Each (Supplied as a Tape) (ex VAT)

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onsemi
Current Sensing Amplifier
Single
5V
5.5V
-
-
86dB
1
-
-
300μA
Surface
-
TSOP-5
5
-
-40°C
409kHz
-
-
1.5 mm
NC
0.95mm
-
Pb-Free, PPAP capable, RoHS, AEC-Q100
3mm
-
Voltage
-
AEC-Q100
-
-
150°C
NCS7030DM2G014R2G onsemi Current Sensing Amplifier Single 8-Pin Micro8
Also available in industry standard packaging
RS Stock No.648-528BrandonsemiManufacturers Part No.NCS7030DM2G014R2GHSN Code85423390

SR 82.22

SR 16.445 Each (Supplied as a Tape) (ex VAT)

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onsemi
Current Sensing Amplifier
Single
3V
5.5V
-
-
85dB
-
-
-
1.5mA
-
-
Micro8
8
-
-40°C
100kHz
-
-
-
NCS7030
-
-
Automotive qualified options (AEC-Q100)
-
-
-
-
No
-
-
150°C
NCV21673SN2G020T1G onsemi Voltage Current Sensing Amplifier Single 5-Pin TSOP-5
Also available in industry standard packaging
RS Stock No.277-024BrandonsemiManufacturers Part No.NCV21673SN2G020T1GHSN Code85423390

SR 58.42

SR 5.842 Each (Supplied as a Tape) (ex VAT)

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onsemi
Current Sensing Amplifier
Single
5V
5.5V
-
-
86dB
1
-
-
300μA
Surface
-
TSOP-5
5
-
-40°C
-
-
-
1.5 mm
NC
0.95mm
-
RoHS, AEC-Q100, Pb-Free, PPAP capable
3mm
-
Voltage
-
AEC-Q100
-
-
150°C
NCV7041D3G014R2G onsemi Voltage Current Sensing Amplifier Single 8-Pin SOIC-8
Also available in industry standard packaging
RS Stock No.277-025BrandonsemiManufacturers Part No.NCV7041D3G014R2GHSN Code85423390

SR 87.28

SR 17.457 Each (Supplied as a Tape) (ex VAT)

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onsemi
Current Sensing Amplifier
Single
5V
5.5V
-
-
85dB
1
-
-
1.5mA
Surface
-
SOIC-8
8
-
-40°C
100kHz
-
-
4 mm
NC
1.75mm
-
Pb-Free, AEC-Q100, PPAP capable, RoHS
5mm
-
Voltage
-
AEC-Q100
-
-
150°C
PAC1921-1-AIA-TR Microchip Current, Voltage Current Sensor 10-Pin VDFN
RS Stock No.598-373BrandMicrochipManufacturers Part No.PAC1921-1-AIA-TRHSN Code85423990

SR 49,277.50

SR 9.856 Each (On a Reel of 5000) (ex VAT)

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Microchip
Current Sensor
-
-
-
-
-
-
-
-
-
-
-
-
VDFN
10
-
-
-
-
-
-
-
-
-
-
-
-
Current, Voltage
-
-
-
-
-
PAC1933T-I/JQ Microchip Current, Voltage Current Sensor Single 16-Pin UQFN
RS Stock No.598-784BrandMicrochipManufacturers Part No.PAC1933T-I/JQHSN Code85423990

SR 43,263.00

SR 13.11 Each (On a Reel of 3300) (ex VAT)

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Microchip
Current Sensor
Single
-
-
-
-
-
-
-
-
-
-
-
UQFN
16
-
-
-
-
-
-
-
-
-
-
-
-
Current, Voltage
-
-
-
-
-

...