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Current Sensing Amplifiers for BLDC Motors

Home » Applications & Technologies » Motor Control » BLDC » Current Sensing Amplifiers

Current Sensing Amplifiers for Brushless DC Motors

Current sensing amplifiers, also known as current-sense or current-shunt amplifiers, measure electrical current. The voltage across a resistor in a current path is directly proportional to that current, per Ohm's law. Thus, measuring current is highly dependent upon the resistance for accuracy. Integrated circuits for current measurement are more efficient, accurate, and are an overall lower cost solution over a discrete current-sensing solution. Learn More


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Texas Instruments INA225AIDGKT
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595-INA225AIDGKT


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INA225AIDGKT

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Texas Instruments Current Sense Amplifiers 36V Bidir 0-Drift Ser Crnt-Shunt Mon
Page 525

Data Sheet
1,695
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Analog Devices AD8418AWBRMZ
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AD8418AWBRMZ

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Analog Devices Current Sense Amplifiers Curr Sense Amplifier BiDir 0 Drift
Data Sheet 669
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1: $2.87
10: $2.56
25: $2.30
50: $2.16
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STMicroelectronics CS30AL
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CS30AL

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STMicroelectronics Current Sense Amplifiers ANALOG
Page 511

Data Sheet
980
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10: $1.32
100: $1.06
500: $0.928
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STMicroelectronics CS30BL
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CS30BL

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STMicroelectronics Current Sense Amplifiers ANALOG
Page 511

Data Sheet
1,000
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10: $1.32
100: $1.06
500: $0.928
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Silicon Labs TS1100-25EG5
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TS1100-25EG5

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Silicon Labs Current Sense Amplifiers Precision Current- Sense Amplifier
Data Sheet 313
In Stock
1: $0.83
25: $0.806
100: $0.777
1,000: $0.766



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Silicon Labs TS1101-25EG6
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TS1101-25EG6

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Silicon Labs Current Sense Amplifiers Bi-Direct Current- Sense Amplifier
Data Sheet 303
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1: $1.10
25: $1.06
100: $1.02
1,000: $1.01



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STMicroelectronics CS30CL
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CS30CL

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STMicroelectronics Current Sense Amplifiers ANALOG
Page 511

Data Sheet
778
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10: $1.32
100: $1.06
500: $0.928
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Texas Instruments ISO124P
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Texas Instruments Isolation Amplifiers Precision Low Cost Isolation Amp
Data Sheet 992
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1: $18.91
10: $17.19
25: $15.90
50: $15.04
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Texas Instruments ISO124U
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Texas Instruments Isolation Amplifiers Precision Low Cost Isolation Amp
Data Sheet 1,349
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Micrel MIC6270YM5 TR
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998-MIC6270YM5TR


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MIC6270YM5 TR

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Micrel Analog Comparators General Purpose IttyBitty Comparator - Lead Free
Page 504

Data Sheet
27,301
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Maxim Integrated MAX4080SASA+
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Maxim Integrated Current Sense Amplifiers 76V High-Side Crnt Sense Amp w/V Out
Page 503

Data Sheet
4,797
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1: $1.63
25: $1.60
50: $1.57
100: $1.55
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Texas Instruments INA213AIDCKR
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595-INA213AIDCKR


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Texas Instruments Current Sense Amplifiers Hi/Lo-Side Bi-Dir 0- Drift Ser Crnt Shunt
Data Sheet 10,205
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Maxim Integrated MAX9922EUB+
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Maxim Integrated Current Sense Amplifiers Current-Sense Amplifier
Data Sheet 2,936
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1: $2.25
25: $2.21
50: $2.19
100: $2.14
250: $2.02



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Maxim Integrated MAX9937AXK+T
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700-MAX9937AXK+T


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Maxim Integrated Current Sense Amplifiers Current-Sense Amplifier
Data Sheet 9,363
In Stock
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25: $1.86
50: $1.76
100: $1.62
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Maxim Integrated MAX4080SAUA+T
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700-MAX4080SAUA+T


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Maxim Integrated Current Sense Amplifiers 76V High-Side Crnt Sense Amp w/V Out
Data Sheet 5,000
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25: $2.10
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100: $1.84
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Texas Instruments AMC1200SDUBR
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595-AMC1200SDUBR


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Texas Instruments Isolation Amplifiers 4kV peak Iso Amp
Page 524

Data Sheet
4,541
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Texas Instruments ISO122JP
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Texas Instruments Isolation Amplifiers Precision Low Cost Isolation Amp
Data Sheet 771
In Stock
1: $22.23
10: $20.56
25: $18.89
50: $18.45
100: View



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Texas Instruments ISO122P
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Texas Instruments Isolation Amplifiers Precision Low Cost Isolation Amp
Data Sheet 491
In Stock
1: $27.00
10: $24.97
25: $22.95
50: $22.41
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Texas Instruments LM2903DGKR
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595-LM2903DGKR


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Texas Instruments Analog Comparators Dual Differential Comparator
Page 526

Data Sheet
46,735
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10: $0.27
100: $0.149
1,000: $0.112
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Texas Instruments TL331KDBVR
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595-TL331KDBVR


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Texas Instruments Analog Comparators Sgl Diff COMPARATOR
Page 526

Data Sheet
11,007
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Texas Instruments TL331IDBVR
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595-TL331IDBVR


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Texas Instruments Analog Comparators Single/Dual Diff
Page 526

Data Sheet
23,791
In Stock
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1: $0.61
10: $0.469
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1,000: $0.221
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Texas Instruments LM193DR
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595-LM193DR


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Texas Instruments Analog Comparators Dual Diff GP
Page 526

Data Sheet
6,869
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Texas Instruments LM2903M/NOPB
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Texas Instruments Analog Comparators LOW PWR LOW OFFSET VLTG DUAL COMPARATOR
Page 525

Data Sheet

Product Info.
5,247
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Alternative Packaging
1: $0.93
10: $0.748
100: $0.574
500: $0.444
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Texas Instruments LM211MDREP
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595-LM211MDREP


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Texas Instruments Analog Comparators Mil Enhance Diff Comparator
Data Sheet 2,402
In Stock
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10: $1.43
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50: $1.20
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Texas Instruments INA199A3DCKR
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595-INA199A3DCKR


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Texas Instruments Current Sense Amplifiers Vltg Output,Hi/Low Msmt,Bi-Dir 0-Drift
Data Sheet 2,560
In Stock
More Info Available
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1: $1.62
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