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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Current sense amplifier
Current sense amplifier
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RS Stock No.: 691-043Brand: STMicroelectronicsManufacturers Part No.: TSC2020IPTHSN Code: 85423390

P.O.A.

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4000

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4000P.O.A.
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STMicroelectronics
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Current sense amplifier
Current sense amplifier
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RS Stock No.: 691-045Brand: STMicroelectronicsManufacturers Part No.: TSC2020IPTHSN Code: 85423390

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1

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1P.O.A.
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STMicroelectronics
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MCP39F511AT-E/MQ Microchip, Power Monitor Dual Current, Voltage 28-Pin QFN
MCP39F511AT-E/MQ Microchip, Power Monitor Dual Current, Voltage 28-Pin QFN
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RS Stock No.: 598-504Brand: MicrochipManufacturers Part No.: MCP39F511AT-E/MQHSN Code: 85423990

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3300

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Microchip
Dual
0.3 → 4.5 V dc
0.3 → 4V
-105dB
2
Current, Voltage
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-
QFN
28
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MCP6C02T-050E/CHY Microchip, Current Sense Amplifier Dual, Single Current, Voltage 6-Pin SOT-23
MCP6C02T-050E/CHY Microchip, Current Sense Amplifier Dual, Single Current, Voltage 6-Pin SOT-23
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RS Stock No.: 598-729Brand: MicrochipManufacturers Part No.: MCP6C02T-050E/CHYHSN Code: 85423390

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3000

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Microchip
Dual, Single
2 → 5.5 V
-
132dB
-
Current, Voltage
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-
SOT-23
6
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NCS7030DM2G014R2G onsemi, Current Sensing Amplifier Single Unidirectional 8-Pin Micro8
NCS7030DM2G014R2G onsemi, Current Sensing Amplifier Single Unidirectional 8-Pin Micro8
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Also available in industry standard packaging
RS Stock No.: 648-528Brand: onsemiManufacturers Part No.: NCS7030DM2G014R2GHSN Code: 85423310

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5

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onsemi
Single
3 → 5.5 V
-
85dB
-
Unidirectional
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Micro8
8
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PAC1921-1-AIA-TR Microchip, Power Monitor Current, Voltage 10-Pin VDFN
PAC1921-1-AIA-TR Microchip, Power Monitor Current, Voltage 10-Pin VDFN
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RS Stock No.: 598-373Brand: MicrochipManufacturers Part No.: PAC1921-1-AIA-TRHSN Code: 85423990

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5000

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Microchip
-
3.3 → 5.5 V
-
69dB
-
Current, Voltage
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-
VDFN
10
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PAC1933T-I/JQ Microchip, Power Monitor Single Current, Voltage 16-Pin UQFN
PAC1933T-I/JQ Microchip, Power Monitor Single Current, Voltage 16-Pin UQFN
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RS Stock No.: 598-784Brand: MicrochipManufacturers Part No.: PAC1933T-I/JQHSN Code: 85423990

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3300

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Microchip
Single
2.7 → 5.5 V
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-
3
Current, Voltage
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-
UQFN
16
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PAC1934T-I/J6CX Microchip, Power Monitor Single Current, Voltage 16-Pin WLCSP
PAC1934T-I/J6CX Microchip, Power Monitor Single Current, Voltage 16-Pin WLCSP
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RS Stock No.: 598-389Brand: MicrochipManufacturers Part No.: PAC1934T-I/J6CXHSN Code: 85423990

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5000

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Microchip
Single
2.7 → 5.5 V
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-
4
Current, Voltage
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-
WLCSP
16
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PAC1951T-1E/4MX Microchip, Power Monitor Current, Voltage 16-Pin VQFN
PAC1951T-1E/4MX Microchip, Power Monitor Current, Voltage 16-Pin VQFN
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RS Stock No.: 598-426Brand: MicrochipManufacturers Part No.: PAC1951T-1E/4MXHSN Code: 85423990

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Microchip
-
2.7 → 5.5 V
-
-
1
Current, Voltage
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-
VQFN
16
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PAC1954T-E/J6CX Microchip, Power Monitor Current, Voltage 16-Pin WLCSP
PAC1954T-E/J6CX Microchip, Power Monitor Current, Voltage 16-Pin WLCSP
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RS Stock No.: 598-503Brand: MicrochipManufacturers Part No.: PAC1954T-E/J6CXHSN Code: 85423990

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5000

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Microchip
-
2.7 → 5.5 V
-
-
4
Current, Voltage
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-
WLCSP
16
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INA181A3IDBVR Texas Instruments, Current Sense Amplifier Single Voltage 6-Pin SOT-23
INA181A3IDBVR Texas Instruments, Current Sense Amplifier Single Voltage 6-Pin SOT-23
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RS Stock No.: 268-7486Brand: Texas InstrumentsManufacturers Part No.: INA181A3IDBVRHSN Code: 85423390

SR 3,622.50

SR 1.208 Each (On a Reel of 3000) (ex VAT)

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3000

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3000SR 1.208
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Texas Instruments
Single
2.7 → 5.5 V
-
100dB
1
Voltage
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-
SOT-23
6
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INA181A3IDBVR Texas Instruments, Current Sense Amplifier Single Voltage 6-Pin SOT-23
INA181A3IDBVR Texas Instruments, Current Sense Amplifier Single Voltage 6-Pin SOT-23
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Also available in industry standard packaging
RS Stock No.: 268-7487Brand: Texas InstrumentsManufacturers Part No.: INA181A3IDBVRHSN Code: 85423390

SR 38.52

SR 1.541 Each (In a Pack of 25) (ex VAT)

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25

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25SR 1.541
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Texas Instruments
Single
2.7 → 5.5 V
-
100dB
1
Voltage
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-
SOT-23
6
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INA190A2IRSWR Texas Instruments, Current Sense Amplifier Single Voltage 10-Pin UQFN
INA190A2IRSWR Texas Instruments, Current Sense Amplifier Single Voltage 10-Pin UQFN
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RS Stock No.: 268-7488Brand: Texas InstrumentsManufacturers Part No.: INA190A2IRSWRHSN Code: 85423390

SR 20,562.00

SR 6.854 Each (On a Reel of 3000) (ex VAT)

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3000

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3000SR 6.854
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Texas Instruments
Single
1.7 → 5.5 V
-
150dB
1
Voltage
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UQFN
10
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INA190A2IRSWR Texas Instruments, Current Sense Amplifier Single Voltage 10-Pin UQFN
INA190A2IRSWR Texas Instruments, Current Sense Amplifier Single Voltage 10-Pin UQFN
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Also available in industry standard packaging
RS Stock No.: 268-7489Brand: Texas InstrumentsManufacturers Part No.: INA190A2IRSWRHSN Code: 85423390

SR 66.76

SR 13.352 Each (In a Pack of 5) (ex VAT)

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5

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5SR 13.352
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Texas Instruments
Single
1.7 → 5.5 V
-
150dB
1
Voltage
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-
UQFN
10
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INA190A4IRSWR Texas Instruments, Current Sense Amplifier Single Voltage 10-Pin UQFN
INA190A4IRSWR Texas Instruments, Current Sense Amplifier Single Voltage 10-Pin UQFN
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Also available in industry standard packaging
RS Stock No.: 268-7492Brand: Texas InstrumentsManufacturers Part No.: INA190A4IRSWRHSN Code: 85423390

SR 53.76

SR 10.752 Each (In a Pack of 5) (ex VAT)

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5

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5SR 10.752
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Texas Instruments
Single
1.7 → 5.5 V
-
150dB
1
Voltage
-
-
UQFN
10
-
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-
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INA190A4IRSWR Texas Instruments, Current Sense Amplifier Single Voltage 10-Pin UQFN
INA190A4IRSWR Texas Instruments, Current Sense Amplifier Single Voltage 10-Pin UQFN
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RS Stock No.: 268-7490Brand: Texas InstrumentsManufacturers Part No.: INA190A4IRSWRHSN Code: 85423390

SR 21,321.00

SR 7.107 Each (On a Reel of 3000) (ex VAT)

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3000

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3000SR 7.107
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Texas Instruments
Single
1.7 → 5.5 V
-
150dB
1
Voltage
-
-
UQFN
10
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-
-
-
-
-
-
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INA199A3DCKT Texas Instruments, Current Shunt Monitor Single Voltage 6-Pin SC-70
INA199A3DCKT Texas Instruments, Current Shunt Monitor Single Voltage 6-Pin SC-70
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RS Stock No.: 268-7493Brand: Texas InstrumentsManufacturers Part No.: INA199A3DCKTHSN Code: 85423390

SR 1,017.75

SR 4.071 Each (On a Reel of 250) (ex VAT)

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250

Available in multiples of 250
250SR 4.071
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Texas Instruments
Single
2.7 → 26 V
-
120dB
1
Voltage
-
-
SC-70
6
-
-
-
-
-
-
-
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INA199A3DCKT Texas Instruments, Current Shunt Monitor Single Voltage 6-Pin SC-70
INA199A3DCKT Texas Instruments, Current Shunt Monitor Single Voltage 6-Pin SC-70
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Also available in industry standard packaging
RS Stock No.: 268-7494Brand: Texas InstrumentsManufacturers Part No.: INA199A3DCKTHSN Code: 85423390

SR 56.00

SR 5.60 Each (In a Pack of 10) (ex VAT)

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10

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10SR 5.60
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Texas Instruments
Single
2.7 → 26 V
-
120dB
1
Voltage
-
-
SC-70
6
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ISL28005FH50Z-T7A Renesas Electronics, Current Sense Amplifier Rail to Rail 5-Pin 5 Ld SOT-23
ISL28005FH50Z-T7A Renesas Electronics, Current Sense Amplifier Rail to Rail 5-Pin 5 Ld SOT-23
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RS Stock No.: 263-8907Brand: Renesas ElectronicsManufacturers Part No.: ISL28005FH50Z-T7AHSN Code: 85423390

SR 2,693.88

SR 10.776 Each (On a Reel of 250) (ex VAT)

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250

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250SR 10.776
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Renesas Electronics
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50 V
-
105dB
-
Rail to Rail
-
-
5 Ld SOT-23
5
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ISL28005FH50Z-T7A Renesas Electronics, Current Sense Amplifier Rail to Rail 5-Pin 5 Ld SOT-23
ISL28005FH50Z-T7A Renesas Electronics, Current Sense Amplifier Rail to Rail 5-Pin 5 Ld SOT-23
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Also available in industry standard packaging
RS Stock No.: 263-8908Brand: Renesas ElectronicsManufacturers Part No.: ISL28005FH50Z-T7AHSN Code: 85423390

SR 31.12

SR 15.56 Each (In a Pack of 2) (ex VAT)

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2

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2SR 15.56
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Renesas Electronics
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50 V
-
105dB
-
Rail to Rail
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5 Ld SOT-23
5
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