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.

438 產品顯示為 Current Sensing Amplifiers

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INA190A2IRSWR Texas Instruments, Current Sense Amplifier Single Voltage 10-Pin UQFN RS庫存編號 268-7488 製造零件編號 INA190A2IRSWR 个（每带 3000 ） HK$10.477 數量	Texas Instruments	Single	1.7 → 5.5 V	-	150dB	1	Voltage	-	-	UQFN	10	-	-	-	-
NCS21671DM050R2G onsemi, Current Shunt Monitor Single Rail to Rail 10-Pin Micro10 RS庫存編號 284-9039 製造零件編號 NCS21671DM050R2G 个（每托盘 5 ） HK$12.96 數量	onsemi	Single	1.8 → 5.5 V	-	109dB	1	Rail to Rail	-	-	Micro10	10	-	-	-	-
TSC215IQT STMicroelectronics, Current Sense Amplifier 10-Pin QFN10 RS庫存編號 261-5516 製造零件編號 TSC215IQT 个（每带 3000 ） HK$11.311 數量	STMicroelectronics	-	2.7 - 26 V	-	120dB	1	-	-	-	QFN10	10	-	-	-	-
INA219AIDCNR Texas Instruments, Current Monitor Single Digital 8-Pin SOT-23 RS庫存編號 825-3088 製造零件編號 INA219AIDCNR 个（每托盘 5 ） HK$14.36 數量	Texas Instruments	Single	6 V	-	100dB	1	Digital	5 mA	Surface Mount	SOT-23	8	3 x 1.75 x 1.3mm	1.3mm	3mm	5.5 V
ZXCT1084E5TA DiodesZetex, Current Monitor RS庫存編號 738-5263 製造零件編號 ZXCT1084E5TA 个 HK$10.50 數量	DiodesZetex	-	-	-	-	-	-	-	-	-	-	-	-	-	-
INA199A3DCKT Texas Instruments, Current Shunt Monitor Single Voltage 6-Pin SC-70 RS庫存編號 268-7494 製造零件編號 INA199A3DCKT 个（每托盘 10 ） HK$6.08 數量	Texas Instruments	Single	2.7 → 26 V	-	120dB	1	Voltage	-	-	SC-70	6	-	-	-	-
INA190A4IRSWR Texas Instruments, Current Sense Amplifier Single Voltage 10-Pin UQFN RS庫存編號 268-7492 製造零件編號 INA190A4IRSWR 个（每托盘 5 ） HK$16.84 數量	Texas Instruments	Single	1.7 → 5.5 V	-	150dB	1	Voltage	-	-	UQFN	10	-	-	-	-
ZXCT1022E5TA DiodesZetex, Current Monitor RS庫存編號 738-5131 製造零件編號 ZXCT1022E5TA 个（每托盘 5 ） HK$9.80 數量	DiodesZetex	-	-	-	-	-	-	-	-	-	-	-	-	-	-
NCS21671DM025R2G onsemi, Current Shunt Monitor Single Rail to Rail 10-Pin Micro10 RS庫存編號 284-9036 製造零件編號 NCS21671DM025R2G 个（每托盘 5 ） HK$12.96 數量	onsemi	Single	1.8 → 5.5 V	-	109dB	1	Rail to Rail	-	-	Micro10	10	-	-	-	-
INA198AIDBVT Texas Instruments, Current Shunt Monitor Single 5-Pin SOT-23 RS庫存編號 545-7669 製造零件編號 INA198AIDBVT 个（每托盘 5 ） HK$29.20 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
INA197AIDBVT Texas Instruments, Current Shunt Monitor Single 5-Pin SOT-23 RS庫存編號 545-7653 製造零件編號 INA197AIDBVT 个（每托盘 5 ） 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
TSC1641IQT STMicroelectronics, Current Sensing Amplifier 10-Pin DFN10 RS庫存編號 287-7061 製造零件編號 TSC1641IQT 个（每带 3000 ） HK$19.97 數量	STMicroelectronics	-	60 V	-	-	-	-	-	-	DFN10	10	-	-	-	-
NCS21671DM100R2G onsemi, Current Shunt Monitor Single Rail to Rail 10-Pin Micro10 RS庫存編號 284-9041 製造零件編號 NCS21671DM100R2G 个（每托盘 5 ） HK$13.36 數量	onsemi	Single	1.8 → 5.5 V	-	109dB	1	Rail to Rail	-	-	Micro10	10	-	-	-	-
NCS21671DM200R2G onsemi, Current Shunt Monitor Single Rail to Rail 10-Pin Micro10 RS庫存編號 284-9044 製造零件編號 NCS21671DM200R2G 个（每托盘 5 ） HK$13.02 數量	onsemi	Single	1.8 → 5.5 V	-	109dB	1	Rail to Rail	-	-	Micro10	10	-	-	-	-
INA226AIDGST Texas Instruments, Intelligent Power Switch 10-Pin MSOP RS庫存編號 742-2889 製造零件編號 INA226AIDGST 个 HK$24.10 數量	Texas Instruments	-	-	-	-	-	-	-	Surface Mount	MSOP	10	3.1 x 3.1 x 0.95mm	0.95mm	3.1mm	-
INA210AIDCKT Texas Instruments, Current Sense Amplifier Single 6-Pin SC-70 RS庫存編號 709-4529 製造零件編號 INA210AIDCKT 个 HK$8.90 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
INA200AIDGKT Texas Instruments, Current Sense Amplifier 8-Pin MSOP RS庫存編號 661-3352 製造零件編號 INA200AIDGKT 个（每托盘 5 ） HK$31.06 數量	Texas Instruments	-	-	-	-	-	-	-	Surface Mount	MSOP	8	3 x 3 x 0.97mm	0.97mm	3mm	-
Current/Power Monitor Bi-Dir. I2C MSOP10 RS庫存編號 921-5305 製造零件編號 INA226AIDGST 个（每带 250 ） HK$23.538 數量	Texas Instruments	-	-	-	-	-	-	-	Surface Mount	MSOP	10	3.1 x 3.1 x 0.95mm	0.95mm	3.1mm	-
INA286AID Texas Instruments, Current Shunt Monitor Single Bidirectional 8-Pin SOIC RS庫存編號 921-2959 製造零件編號 INA286AID 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
Si8920AC-IP Skyworks Solutions Inc, Current Shunt Monitor Single Differential 8-Pin DIP RS庫存編號 901-3967 製造零件編號 Si8920AC-IP 个（每托盘 2 ） HK$51.95 數量	Skyworks Solutions Inc	Single	3 → 5.5 V	-	-	2	Differential	5.5 mA	Through Hole	DIP	8	9.9 x 6.6 x 3.44mm	3.44mm	9.9mm	5.5 V

Current Sensing Amplifiers

What are the different applications of current sensing amplifiers?

How to choose the right type of current sensing amplifier

438 產品顯示為 Current Sensing Amplifiers

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