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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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Silicon Labs TS1102-50EG5
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TS1102-50EG5

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Silicon Labs Current Sense Amplifiers Precision Current- Sense Amplifier
Data Sheet 424
In Stock
1: $0.72
10: $0.713
25: $0.701
50: $0.676
100: View



Min.: 1
Mult.: 1
Silicon Labs TS1102-200EG5
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TS1102-200EG5

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Silicon Labs Current Sense Amplifiers Precision Current- Sense Amplifier
Data Sheet 252
In Stock
1: $0.72
10: $0.713
25: $0.701
50: $0.676
100: View



Min.: 1
Mult.: 1
Silicon Labs TS1102-100EG5
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TS1102-100EG5

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Silicon Labs Current Sense Amplifiers Precision Current- Sense Amplifier
Data Sheet 276
In Stock
1: $0.71
25: $0.694
100: $0.669
1,000: $0.658



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Silicon Labs TS1100-50EG5
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TS1100-50EG5

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Silicon Labs Current Sense Amplifiers Precision Current- Sense Amplifier
Data Sheet 243
In Stock
1: $0.83
25: $0.806
100: $0.777
1,000: $0.766



Min.: 1
Mult.: 1
Silicon Labs TS1100-100EG5
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TS1100-100EG5

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Silicon Labs Current Sense Amplifiers Precision Current- Sense Amplifier
Data Sheet 301
In Stock
1: $0.84
10: $0.823
25: $0.809
50: $0.78
100: View



Min.: 1
Mult.: 1
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 303
In Stock
1: $0.83
25: $0.806
100: $0.777
1,000: $0.766



Min.: 1
Mult.: 1
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 298
In Stock
1: $1.10
25: $1.06
100: $1.02
1,000: $1.01



Min.: 1
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Silicon Labs TS1101-50EG6
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TS1101-50EG6

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Silicon Labs Current Sense Amplifiers Bi-Direct Current- Sense Amplifier
Data Sheet 300
In Stock
1: $1.10
25: $1.06
100: $1.02
1,000: $1.01



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Analog Devices AD8553ARMZ-REEL
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584-AD8553ARMZ-R


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AD8553ARMZ-REEL

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Analog Devices Current Sense Amplifiers 1.8V to 5V Auto-Zero w/ Shutdown
Page 488

Data Sheet
8,890
In Stock
Alternative Packaging
Cut Tape
1: $3.55
10: $3.17
25: $2.86
50: $2.68
100: View
3,000: $1.69

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Reel: 3,000
Texas Instruments ISO124P
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Texas Instruments Isolation Amplifiers Precision Low Cost Isolation Amp
Data Sheet 1,498
In Stock
1: $18.91
10: $17.19
25: $15.90
50: $15.04
100: View



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Maxim Integrated MAX4080SAUA+
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Maxim Integrated Current Sense Amplifiers 76V High-Side Crnt Sense Amp w/V Out
Data Sheet 4,075
In Stock
Alternative Packaging
1: $1.63
25: $1.60
100: $1.54
500: $1.48



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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 12,409
In Stock
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Cut Tape
1: $1.87
10: $1.68
25: $1.46
50: $1.37
100: View
3,000: $0.731

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Reel: 3,000
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
4,469
In Stock
Alternative Packaging
Cut Tape
1: $6.10
10: $5.44
25: $4.90
50: $4.68
Reel
350: $4.03
700: View

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Reel: 350
Texas Instruments ISO122JP
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Texas Instruments Isolation Amplifiers Precision Low Cost Isolation Amp
Data Sheet 610
In Stock
1: $22.23
10: $20.56
25: $18.89
50: $18.45
100: View



Min.: 1
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Texas Instruments ISO122P
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Texas Instruments Isolation Amplifiers Precision Low Cost Isolation Amp
Data Sheet 437
In Stock
1: $27.00
10: $24.97
25: $22.95
50: $22.41
100: View



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Texas Instruments LM139J/PB
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Texas Instruments Analog Comparators Lo pwr Lo Offset Vtg Quad Comparator
Data Sheet

Product Info.
1,975
In Stock
25: $8.60
100: $7.77
250: $7.14
500: $6.00
1,000: View



Min.: 25
Mult.: 25
No

Texas Instruments LM2903DGKR
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595-LM2903DGKR


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Texas Instruments Analog Comparators Dual Differential Comparator
Page 526

Data Sheet
37,028
In Stock
Cut Tape
1: $0.41
10: $0.27
100: $0.149
1,000: $0.112
Reel
2,500: $0.096
10,000: View

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Texas Instruments LM2903DR
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595-LM2903DR


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Texas Instruments Analog Comparators Dual Diff Ind Temp
Data Sheet 22,959
In Stock
Alternative Packaging
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1: $0.41
10: $0.27
100: $0.149
1,000: $0.112
Reel
2,500: $0.096
10,000: View

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Mult.: 1
Reel: 2,500
Texas Instruments LM211DR
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595-LM211DR


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Texas Instruments Analog Comparators Differential w/Strob
Data Sheet 9,263
In Stock
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1: $0.52
10: $0.397
100: $0.209
1,000: $0.187
Reel
2,500: $0.159
10,000: View

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Reel: 2,500
Texas Instruments TL331IDBVR
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595-TL331IDBVR


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Texas Instruments Analog Comparators Single/Dual Diff
Page 526

Data Sheet
11,937
In Stock
Alternative Packaging
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1: $0.61
10: $0.469
100: $0.247
1,000: $0.221
Reel
3,000: $0.188
9,000: View

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Reel: 3,000
Texas Instruments TL331KDBVR
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595-TL331KDBVR


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Texas Instruments Analog Comparators Sgl Diff COMPARATOR
Page 526

Data Sheet
5,648
In Stock
Alternative Packaging
Cut Tape
1: $0.61
10: $0.469
100: $0.247
1,000: $0.221
Reel
3,000: $0.188
9,000: View

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Reel: 3,000
Texas Instruments LM193DR
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595-LM193DR


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Texas Instruments Analog Comparators Dual Diff GP
Page 526

Data Sheet
6,333
In Stock
Cut Tape
1: $0.63
10: $0.505
100: $0.376
500: $0.277
Reel
2,500: $0.213
10,000: View

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Reel: 2,500
Texas Instruments LM211QDRQ1
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595-LM211QDRQ1


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Texas Instruments Analog Comparators Auto Cat Sngl Strobe Diff Comparator
Data Sheet 8,150
In Stock
Alternative Packaging
Cut Tape
1: $0.86
10: $0.687
100: $0.512
500: $0.377
Reel
2,500: $0.29
10,000: View

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Reel: 2,500
Micrel MIC6270YM5 TR
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998-MIC6270YM5TR


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Micrel Analog Comparators General Purpose IttyBitty Comparator
Page 504

Data Sheet
21,124
In Stock
Cut Tape
1: $0.88
10: $0.68
100: $0.52
500: $0.40
Reel
3,000: $0.27
9,000: View

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Mult.: 1
Reel: 3,000
Texas Instruments LM2903MX/NOPB
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926-LM2903MX/NOPB


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Texas Instruments Analog Comparators LOW PWR LOW OFFSET VLTG DUAL COMPARATOR
Page 525

Data Sheet

Product Info.
5,174
In Stock
More Info Available
Alternative Packaging
Cut Tape
1: $0.89
10: $0.716
100: $0.533
500: $0.392
Reel
2,500: $0.302
10,000: View

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Min.: 1
Mult.: 1
Reel: 2,500
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