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 performance in a range of applications, such as motor control and power management. In devices where battery or power-line monitoring is highly necessary, like laptops and phones, current sensing amplifiers are critical.

How to choose the right type of current sensing amplifier

There are several factors that will determine the the type of amplifier you choose, including whether the measurement will be on the high or low side. The sense resistor can be placed either between the supply voltage and load, or between the load and ground. The former is called high-side seinsing, whereas the latter is called low-side sensing. High voltage current sensing amplifiers offer input ranges up to +76V and down to -20V, ideal for applications such as motor control and network routers. Low power current sensing amplifiers help to maximise and extend battery life.

435 產品顯示為 Current Sensing Amplifiers

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INA282AID Texas Instruments, Current Shunt Monitor Single Bidirectional 8-Pin SOIC RS庫存編號 921-2940 製造零件編號 INA282AID 毎管：75 个 HK$34.761 數量	Texas Instruments	Single	2.7 → 18 V	-	120dB	1	Bidirectional	900 μA	Surface Mount	SOIC	8	5 x 4 x 1.5mm	1.5mm	5mm	18 V
ISL28006FH20Z-T7A Renesas Electronics, Current Sense Amplifier Rail to Rail 5-Pin 5 Ld SOT-23 RS庫存編號 263-8910P 製造零件編號 ISL28006FH20Z-T7A 个 (以每卷裝提供) HK$36.50 數量	Renesas Electronics	-	20 V	-	105dB	-	Rail to Rail	-	-	5 Ld SOT-23	5	-	-	-	-
LM334SM/NOPB Texas Instruments, Current Sensing Amplifier Adjustable 8-Pin SOIC RS庫存編號 252-8688P 製造零件編號 LM334SM/NOPB 个 (以每管裝提供) HK$28.65 數量	Texas Instruments	-	40 V	-	-	-	Adjustable	-	-	SOIC	8	-	-	-	-
INA138NA/250 Texas Instruments, Current Sensing Amplifier Single Current 5-Pin SOT-23 RS庫存編號 197-7163 製造零件編號 INA138NA/250 个（每托盘 5 ） HK$18.24 數量	Texas Instruments	Single	5 V	-	100dB	1	Current	-	-	SOT-23	5	-	-	-	-
NCS199A2RSQT2G onsemi, Current Sense Amplifier Single Rail to Rail 6-Pin SC-70 RS庫存編號 185-8812P 製造零件編號 NCS199A2RSQT2G 个 (以每卷裝提供) HK$8.16 數量	onsemi	Single	2.2 → 26 V	-	100dB	1	Rail to Rail	60 μA	Surface Mount	SC-70	6	2.2 x 1.35 x 1mm	1mm	2.2mm	26 V
INA181A3IDBVR Texas Instruments, Current Sense Amplifier Single Voltage 6-Pin SOT-23 RS庫存編號 268-7487P 製造零件編號 INA181A3IDBVR 个 (以每卷裝提供) HK$2.938 數量	Texas Instruments	Single	2.7 → 5.5 V	-	100dB	1	Voltage	-	-	SOT-23	6	-	-	-	-
BD14210G-LATR ROHM, Current Sense Amplifier Single 6-Pin SSOP6 RS庫存編號 266-3773P 製造零件編號 BD14210G-LATR 个 (以每卷裝提供) HK$5.63 數量	ROHM	Single	5.5 V	-	-	1	-	-	-	SSOP6	6	-	-	-	-
INA271AID Texas Instruments, Current Monitor Single 8-Pin SOIC RS庫存編號 661-2491P 製造零件編號 INA271AID 个 (以每管裝提供) HK$26.70 數量	Texas Instruments	Single	12 V, 15 V, 3 V, 5 V, 9 V	-	80dB	1	-	-	Surface Mount	SOIC	8	4.9 x 3.91 x 1.58mm	1.58mm	4.9mm	18 V
NCV214RSQT2G onsemi, Current Sense Amplifier Single Rail to Rail 6-Pin SC-70 RS庫存編號 185-9030 製造零件編號 NCV214RSQT2G 个（每托盘 9 ） HK$6.011 數量	onsemi	Single	2.2 → 26 V	-	105dB	1	Rail to Rail	60 μA	Surface Mount	SC-70	6	2.2 x 1.35 x 1mm	1mm	2.2mm	26 V
NCS199A1RSQT2G onsemi, Current Sense Amplifier Single Rail to Rail 6-Pin SC-70 RS庫存編號 178-4384 製造零件編號 NCS199A1RSQT2G 个（每带 3000 ） HK$2.601 數量	onsemi	Single	5 V	-	100dB	1	Rail to Rail	80 μA	Surface Mount	SC-70	6	2.2 x 1.35 x 1mm	1mm	2.2mm	26 V
INA214AIDCKT Texas Instruments, Current Sense Amplifier Single 6-Pin SC-70 RS庫存編號 709-9117 製造零件編號 INA214AIDCKT 个 HK$11.10 數量	Texas Instruments	Single	12 V, 15 V, 18 V, 24 V, 3 V, 5 V, 9 V	-	105dB	1	-	-	Surface Mount	SC-70	6	2 x 1.25 x 0.9mm	0.9mm	2mm	26 V
TSC212ICT STMicroelectronics, Current Sense Amplifier Single Bidirectional 6-Pin SC70-6 RS庫存編號 225-0022P 製造零件編號 TSC212ICT 个 (以每卷裝提供) HK$12.588 數量	STMicroelectronics	Single	2.7 → 26 V	±26V	105dB	1	Bidirectional	-	-	SC70-6	6	-	-	-	-
INA219AID Texas Instruments, Current Monitor Single Bidirectional 8-Pin SOIC RS庫存編號 817-6580P 製造零件編號 INA219AID 个 (以每管裝提供) HK$21.96 數量	Texas Instruments	Single	3 → 5.5 V	-	100dB	1	Bidirectional	1 mA	Surface Mount	SOIC	8	5 x 4 x 1.5mm	1.5mm	5mm	5.5 V
INA168NA/250 Texas Instruments, Current Sensing Amplifier Single Current 5-Pin SOT-23 RS庫存編號 197-7169P 製造零件編號 INA168NA/250 个 (以每卷裝提供) HK$23.82 數量	Texas Instruments	Single	5 V	-	100dB	1	Current	-	-	SOT-23	5	-	-	-	-
INA190A4IRSWR Texas Instruments, Current Sense Amplifier Single Voltage 10-Pin UQFN RS庫存編號 268-7492P 製造零件編號 INA190A4IRSWR 个 (以每卷裝提供) HK$16.84 數量	Texas Instruments	Single	1.7 → 5.5 V	-	150dB	1	Voltage	-	-	UQFN	10	-	-	-	-
ZXCT1087E5TA DiodesZetex, Current Monitor RS庫存編號 738-5279 製造零件編號 ZXCT1087E5TA 个（每托盘 5 ） HK$12.104 數量	DiodesZetex	-	-	-	-	-	-	-	-	-	-	-	-	-	-
INA3221AIRGVT Texas Instruments, Current Monitor Single Open Drain 16-Pin VQFN RS庫存編號 817-6619 製造零件編號 INA3221AIRGVT 1 带 1 套 HK$35.60 數量	Texas Instruments	Single	2.7 → 5.5 V	-	110dB	1	Open Drain	450 μA	Surface Mount	VQFN	16	4.15 x 4.15 x 0.95mm	0.95mm	4.15mm	5.5 V
ZXCT1109SA-7 DiodesZetex, Current Monitor RS庫存編號 922-8232 製造零件編號 ZXCT1109SA-7 个（每带 3000 ） HK$3.561 數量	DiodesZetex	-	-	-	-	-	-	-	-	-	-	-	-	-	-
INA213BIDCKT Texas Instruments, Current Shunt Monitor Single Voltage 6-Pin SC-70 RS庫存編號 252-8506P 製造零件編號 INA213BIDCKT 个 (以每卷裝提供) HK$11.632 數量	Texas Instruments	Single	26 V	-	105dB	1	Voltage	-	-	SC-70	6	-	-	-	-
INA197AIDBVT Texas Instruments, Current Shunt Monitor Single 5-Pin SOT-23 RS庫存編號 545-7653P 製造零件編號 INA197AIDBVT 个 (以每卷裝提供) HK$26.04 數量	Texas Instruments	Single	12 V, 15 V, 3 V, 5 V, 9 V	-	80dB	1	-	-	Surface Mount	SOT-23	5	2.9 x 1.6 x 1.15mm	1.15mm	2.9mm	18 V

Current Sensing Amplifiers

What are the different applications of current sensing amplifiers?

How to choose the right type of current sensing amplifier

435 產品顯示為 Current Sensing Amplifiers

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