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
Also available in industry standard packaging
RS Stock No.: 268-7487Brand: Texas InstrumentsManufacturers Part No.: INA181A3IDBVRHSN Code: 85423390

SR 47.15

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

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Texas Instruments
Single
Current Sensing Amplifier
2.7V
-
5V
-
100dB
1
-
260μA
-
-
SOT-23
-
-
6
-
-55°C
-
-
1.6 mm
RoHS
-
2.9mm
1.6mm
-
-
-
Voltage
-
150°C
-
No
INA181A3IDBVR Texas Instruments Voltage Current Sensing Amplifier Single 6-Pin SOT-23
RS Stock No.: 268-7486Brand: Texas InstrumentsManufacturers Part No.: INA181A3IDBVRHSN Code: 85423390

SR 3,588.00

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

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Texas Instruments
Single
Current Sensing Amplifier
2.7V
-
5V
-
100dB
1
-
260μA
-
-
SOT-23
-
-
6
-
-55°C
-
-
1.6 mm
RoHS
-
2.9mm
1.6mm
-
-
-
Voltage
-
150°C
-
No
INA190A2IRSWR Texas Instruments Voltage Current Sensing Amplifier Single 10-Pin QFN
RS Stock No.: 268-7488Brand: Texas InstrumentsManufacturers Part No.: INA190A2IRSWRHSN Code: 85423390

SR 20,838.00

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

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Texas Instruments
Single
Current Sensing Amplifier
1.7V
-
5V
-
150dB
1
-
65μA
-
-
QFN
-
-
10
-
-55°C
-
-
-
RoHS
-
-
1.4mm
-
-
-
Voltage
-
150°C
-
No
INA190A2IRSWR Texas Instruments Voltage Current Sensing Amplifier Single 10-Pin QFN
Also available in industry standard packaging
RS Stock No.: 268-7489Brand: Texas InstrumentsManufacturers Part No.: INA190A2IRSWRHSN Code: 85423390

SR 73.48

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

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Texas Instruments
Single
Current Sensing Amplifier
1.7V
-
5V
-
150dB
1
-
65μA
-
-
QFN
-
-
10
-
-55°C
-
-
-
RoHS
-
-
1.4mm
-
-
-
Voltage
-
150°C
-
No
INA190A4IRSWR Texas Instruments Voltage Current Sensing Amplifier Single 10-Pin UQFN
RS Stock No.: 268-7490Brand: Texas InstrumentsManufacturers Part No.: INA190A4IRSWRHSN Code: 85423390

SR 21,735.00

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

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Texas Instruments
Single
Current Sensing Amplifier
1.7V
-
5V
-
150dB
1
-
65μA
-
-
UQFN
-
-
10
-
-55°C
-
-
-
RoHS
-
-
1.4mm
-
-
-
Voltage
-
150°C
-
No
INA190A4IRSWR Texas Instruments Voltage Current Sensing Amplifier Single 10-Pin UQFN
Also available in industry standard packaging
RS Stock No.: 268-7492Brand: Texas InstrumentsManufacturers Part No.: INA190A4IRSWRHSN Code: 85423390

SR 66.36

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

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Texas Instruments
Single
Current Sensing Amplifier
1.7V
-
5V
-
150dB
1
-
65μA
-
-
UQFN
-
-
10
-
-55°C
-
-
-
RoHS
-
-
1.4mm
-
-
-
Voltage
-
150°C
-
No
INA199A3DCKT Texas Instruments Voltage Current Shunt Monitor Single 6-Pin SC-70
RS Stock No.: 268-7493Brand: Texas InstrumentsManufacturers Part No.: INA199A3DCKTHSN Code: 85423390

SR 1,083.88

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

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Texas Instruments
Single
Current Shunt Monitor
2.7V
-
26V
-
120dB
1
-
100μA
-
-
SC-70
-
-
6
-
-40°C
-
-
-
RoHS
-
2mm
1.25mm
-
-
-
Voltage
-
125°C
-
No
INA199A3DCKT Texas Instruments Voltage Current Shunt Monitor Single 6-Pin SC-70
Also available in industry standard packaging
RS Stock No.: 268-7494Brand: Texas InstrumentsManufacturers Part No.: INA199A3DCKTHSN Code: 85423390

SR 51.52

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

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Texas Instruments
Single
Current Shunt Monitor
2.7V
-
26V
-
120dB
1
-
100μA
-
-
SC-70
-
-
6
-
-40°C
-
-
-
RoHS
-
2mm
1.25mm
-
-
-
Voltage
-
125°C
-
No
ISL28005FH50Z-T7A Renesas Electronics Rail to Rail Current Sensing Amplifier 5-Pin 5LD SOT-23
Also available in industry standard packaging
RS Stock No.: 263-8908Brand: Renesas ElectronicsManufacturers Part No.: ISL28005FH50Z-T7AHSN Code: 85423390

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
RoHS
ISL28005
1.14mm
2.9mm
-
-
-
Rail to Rail
-
125°C
-
No

SR 61.69

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

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Renesas Electronics
Single
Current Sensing Amplifier
20V
-
28V
-
105dB
-
-
20mA
-
Surface
5LD SOT-23
-
-
5
-
-40°C
-
-
1.6 mm
RoHS
ISL28006
1.14mm
2.9mm
-
-
-
Rail to Rail
-
125°C
-
No
MCP39F511AT-E/MQ Microchip Current, Voltage Power Meter Dual 28-Pin QFN
RS Stock No.: 598-504Brand: MicrochipManufacturers Part No.: MCP39F511AT-E/MQHSN Code: 85423990

SR 80,719.65

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

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Microchip
Dual
Power Meter
-
-
-
-
-
-
-
-
-
-
QFN
-
-
28
-
-
-
-
-
-
-
-
-
-
-
-
Current, Voltage
-
-
-
-
MCP6C02T-050E/CHY Microchip Current, Voltage Current Sensing Amplifier Single, Dual 6-Pin SOT-23
RS Stock No.: 598-729Brand: MicrochipManufacturers Part No.: MCP6C02T-050E/CHYHSN Code: 85423390

SR 30,705.00

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

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Microchip
Single, Dual
Current Sensing Amplifier
2V
-
5.5V
-
132dB
1
-
490μA
-
Surface
SOT-23
-
-
6
-
-40°C
-
-
-
REACH, AEC‑Q100, RoHS, Pb‑Free
MCP6C02T
1.45mm
-
-
-
-
Current, Voltage
-
125°C
-
AEC-Q100
NCS21673SN2G020T1G onsemi Voltage Current Sensing Amplifier Single 5-Pin TSOP-5
Also available in industry standard packaging
RS Stock No.: 277-022Brand: onsemiManufacturers Part No.: NCS21673SN2G020T1GHSN Code: 85423390

SR 59.92

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

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onsemi
Single
Current Sensing Amplifier
5V
-
5.5V
-
86dB
1
-
300μA
-
Surface
TSOP-5
-
-
5
409kHz
-40°C
-
-
1.5 mm
Pb-Free, PPAP capable, RoHS, AEC-Q100
NC
0.95mm
3mm
-
-
-
Voltage
-
150°C
-
AEC-Q100
NCS7030DM2G014R2G onsemi Current Sensing Amplifier Single 8-Pin Micro8
Also available in industry standard packaging
RS Stock No.: 648-528Brand: onsemiManufacturers Part No.: NCS7030DM2G014R2GHSN Code: 85423390

SR 82.22

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

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onsemi
Single
Current Sensing Amplifier
3V
-
5.5V
-
85dB
-
-
1.5mA
-
-
Micro8
-
-
8
100kHz
-40°C
-
-
-
Automotive qualified options (AEC-Q100)
NCS7030
-
-
-
-
-
-
-
150°C
-
No
NCV21673SN2G020T1G onsemi Voltage Current Sensing Amplifier Single 5-Pin TSOP-5
Also available in industry standard packaging
RS Stock No.: 277-024Brand: onsemiManufacturers Part No.: NCV21673SN2G020T1GHSN Code: 85423390

SR 58.42

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

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onsemi
Single
Current Sensing Amplifier
5V
-
5.5V
-
86dB
1
-
300μA
-
Surface
TSOP-5
-
-
5
-
-40°C
-
-
1.5 mm
RoHS, AEC-Q100, Pb-Free, PPAP capable
NC
0.95mm
3mm
-
-
-
Voltage
-
150°C
-
AEC-Q100
NCV7041D3G014R2G onsemi Voltage Current Sensing Amplifier Single 8-Pin SOIC-8
Also available in industry standard packaging
RS Stock No.: 277-025Brand: onsemiManufacturers Part No.: NCV7041D3G014R2GHSN Code: 85423390

SR 87.28

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

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onsemi
Single
Current Sensing Amplifier
5V
-
5.5V
-
85dB
1
-
1.5mA
-
Surface
SOIC-8
-
-
8
100kHz
-40°C
-
-
4 mm
Pb-Free, AEC-Q100, PPAP capable, RoHS
NC
1.75mm
5mm
-
-
-
Voltage
-
150°C
-
AEC-Q100
PAC1921-1-AIA-TR Microchip Current, Voltage Current Sensor 10-Pin VDFN
RS Stock No.: 598-373Brand: MicrochipManufacturers Part No.: PAC1921-1-AIA-TRHSN Code: 85423990

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.: 598-784Brand: MicrochipManufacturers Part No.: PAC1933T-I/JQHSN Code: 85423990

SR 43,263.00

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

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Microchip
Single
Current Sensor
-
-
-
-
-
-
-
-
-
-
UQFN
-
-
16
-
-
-
-
-
-
-
-
-
-
-
-
Current, Voltage
-
-
-
-
PAC1934T-I/J6CX Microchip Current, Voltage Current Sensor Single 16-Pin WLCSP
RS Stock No.: 598-389Brand: MicrochipManufacturers Part No.: PAC1934T-I/J6CXHSN Code: 85423990

SR 78,027.50

SR 15.606 Each (On a Reel of 5000) (ex VAT)

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Microchip
Single
Current Sensor
-
-
-
-
-
-
-
-
-
-
WLCSP
-
-
16
-
-
-
-
-
-
-
-
-
-
-
-
Current, Voltage
-
-
-
-
PAC1951T-1E/4MX Microchip Current, Voltage Current Sensor 16-Pin VQFN
RS Stock No.: 598-426Brand: MicrochipManufacturers Part No.: PAC1951T-1E/4MXHSN Code: 85423990

SR 30,891.30

SR 9.361 Each (On a Reel of 3300) (ex VAT)

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Microchip
-
Current Sensor
-
-
-
-
-
-
-
-
-
-
VQFN
-
-
16
-
-
-
-
-
-
-
-
-
-
-
-
Current, Voltage
-
-
-
-

...