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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 TS1102-200EG5
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TS1102-200EG5

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Silicon Labs Current Sense Amplifiers Precision Current- Sense Amplifier
Data Sheet 243
In Stock
1: $0.72
10: $0.713
25: $0.701
50: $0.676
100: View



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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 255
In Stock
1: $0.72
10: $0.713
25: $0.701
50: $0.676
100: View



Min.: 1
Mult.: 1
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 215
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: $0.84
10: $0.823
25: $0.809
50: $0.78
100: View



Min.: 1
Mult.: 1
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: $1.09
10: $1.07
25: $1.05
50: $1.01
250: $0.975



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: $1.09
10: $1.07
25: $1.05
50: $1.01
250: $0.975



Min.: 1
Mult.: 1
Texas Instruments ISO124P
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Texas Instruments Isolation Amplifiers Precision Low Cost Isolation Amp
Data Sheet 1,744
In Stock
1: $18.91
10: $17.19
25: $15.90
50: $15.04
100: View



Min.: 1
Mult.: 1
Texas Instruments ISO124U
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Texas Instruments Isolation Amplifiers Precision Low Cost Isolation Amp
Data Sheet 1,602
In Stock
Alternative Packaging
1: $19.80
10: $18.00
25: $16.65
50: $15.75
100: View



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Analog Devices AD8293G80ARJZ-R7
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584-AD8293G80ARJZ-R7


To purchase full reel, order in multiples of 3000:
Analog Devices Current Sense Amplifiers Zero-Drift w/ Filter & Fixed Gain
Page 488

Data Sheet
12,620
In Stock
Alternative Packaging
Cut Tape
1: $1.39
10: $1.23
25: $1.11
100: $0.968
250: View
3,000: $0.555

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
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
4,492
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 12,822
In Stock
More Info Available
Alternative Packaging
Cut Tape
1: $2.15
10: $1.94
25: $1.68
50: $1.58
100: View
3,000: $0.844

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Mult.: 1
Reel: 3,000
Texas Instruments AMC1200SDUBR
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595-AMC1200SDUBR


To purchase full reel, order in multiples of 350:
Texas Instruments Isolation Amplifiers 4kV peak Iso Amp
Page 524

Data Sheet
4,434
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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Min.: 1
Mult.: 1
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
Mult.: 1
Texas Instruments ISO122P
 Enlarge
Texas Instruments Isolation Amplifiers Precision Low Cost Isolation Amp
Data Sheet 413
In Stock
1: $27.00
10: $24.97
25: $22.95
50: $22.41
100: View



Min.: 1
Mult.: 1
Texas Instruments LM139J/PB
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Texas Instruments Analog Comparators Lo pwr Lo Offset Vtg Quad Comparator
Data Sheet

Product Info.
1,825
In Stock
25: $8.60
100: $7.77
250: $7.14
500: $6.00
1,000: View



Min.: 25
Mult.: 25
No

Micrel MIC6270YM5 TR
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998-MIC6270YM5TR


To purchase full reel, order in multiples of 3000:
Micrel Analog Comparators General Purpose IttyBitty Comparator
Page 504

Data Sheet
20,912
In Stock
Cut Tape
1: $0.88
10: $0.68
100: $0.52
500: $0.40
Reel
3,000: $0.27
9,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
Maxim Integrated MAX4173FESA+
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Maxim Integrated Current Sense Amplifiers V-Out High-Side Current-Sense Amp
Page 502

Data Sheet
2,318
In Stock
Alternative Packaging
1: $1.29
25: $1.27
100: $1.22
2,000: $1.21



Min.: 1
Mult.: 1
Maxim Integrated MAX4173HESA+
 Enlarge
Maxim Integrated Current Sense Amplifiers V-Out High-Side Current-Sense Amp
Page 502

Data Sheet
2,588
In Stock
Alternative Packaging
1: $1.29
25: $1.27
100: $1.22
5,000: $1.19



Min.: 1
Mult.: 1
Maxim Integrated MAX4173TESA+
 Enlarge
Maxim Integrated Current Sense Amplifiers V-Out High-Side Current-Sense Amp
Page 502

Data Sheet
1,716
In Stock
Alternative Packaging
1: $1.29
25: $1.27
100: $1.22
5,000: $1.19



Min.: 1
Mult.: 1
Analog Devices AD8293G160ARJZ-R7
 Enlarge
584-AD8293G160ARJZR7


To purchase full reel, order in multiples of 3000:
Analog Devices Current Sense Amplifiers Zero-Drift w/ Filter & Fixed Gain
Page 488

Data Sheet
3,798
In Stock
More Info Available
Alternative Packaging
Cut Tape
1: $1.39
10: $1.23
25: $1.11
100: $0.968
250: View
3,000: $0.555

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
Maxim Integrated MAX4080TAUA+
 Enlarge
Maxim Integrated Current Sense Amplifiers 76V High-Side Crnt Sense Amp w/V Out
Page 503

Data Sheet
2,305
In Stock
More Info Available
Alternative Packaging
1: $1.62
25: $1.56
50: $1.55
100: $1.52
250: View



Min.: 1
Mult.: 1
Maxim Integrated MAX4080TASA+
 Enlarge
Maxim Integrated Current Sense Amplifiers 76V High-Side Crnt Sense Amp w/V Out
Page 503

Data Sheet
3,020
In Stock
More Info Available
Alternative Packaging
1: $1.63
25: $1.60
100: $1.54
500: $1.48



Min.: 1
Mult.: 1
Maxim Integrated MAX4080FASA+
 Enlarge
Maxim Integrated Current Sense Amplifiers 76V High-Side Crnt Sense Amp w/V Out
Page 503

Data Sheet
1,166
In Stock
Alternative Packaging
1: $1.63
25: $1.60
100: $1.54
500: $1.48



Min.: 1
Mult.: 1
Maxim Integrated MAX4080SAUA+
 Enlarge
Maxim Integrated Current Sense Amplifiers 76V High-Side Crnt Sense Amp w/V Out
Data Sheet 3,586
In Stock
Alternative Packaging
1: $1.63
25: $1.60
100: $1.54
500: $1.48



Min.: 1
Mult.: 1
Maxim Integrated MAX4081TASA+
 Enlarge
Maxim Integrated Current Sense Amplifiers 76V High-Side Crnt Sense Amp w/V Out
Data Sheet 1,087
In Stock
Alternative Packaging
1: $1.89
25: $1.85
50: $1.81
100: $1.78
1,000: $1.77



Min.: 1
Mult.: 1
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