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Compact coreless current sensor AKM CZ3AG2 with analog voltage output and compliance to multiple safety standards

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Compact coreless current sensor AKM CZ3AG2 with analog voltage output and compliance to multiple safety standards

working temperature : -40℃~+85℃

Current Range : 14A

Voltage - Supply : 4.5V~5.5V

Sensitivity : 100mV/A

Description : 14A 100mV/A SMD-10P,7.7x10.9mm Current Sensors RoHS

Mfr. Part # : CZ3AG2

Model Number : CZ3AG2

Package : SMD-10P,7.7x10.9mm

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Product Overview

The CZ-3AG2 is an open-type current sensor utilizing Hall sensors to provide an analog voltage output proportional to AC/DC current. It features high accuracy and high-speed sensing due to its Group III-V semiconductor thin film Hall sensor. The coreless, ultra-small surface mount package contributes to space-saving. With a low primary conductor resistance, it suppresses heat generation, enabling a continuous current of 50Arms. The CZ-3AGx series incorporates a built-in stray magnetic field reduction function to mitigate accuracy degradation from disturbed magnetic fields and includes a dual overcurrent detection function. It is UL 61800-5-1 safety compliant, making it suitable for industrial AC drives, servo motors, and for interfacing with 3V AD converters. The CZ-3AGx series offers a range of linear sensing capabilities, from 11.6A to 116.6A, allowing for consistent board design across different current ratings.

Product Attributes

Brand: Asahi Kasei Microdevices (AKM)
Safety Standard Compliance: UL 61800-5-1, UL-1577, IEC/UL 60950-1
Package Type: Coreless ultra-small surface mount
Hall Sensor Technology: Group III-V semiconductor thin film
Output Type: Analog voltage
Primary Conductor Resistance: Low
Stray Magnetic Field Reduction: Built-in function
Overcurrent Detection: Dual function, adjustable thresholds
Lead Material: Sn-Bi plating
Flammability Standard: V0 (UL94)
Comparative Tracking Index (CTI): 600V
Material Group:

Technical Specifications

Parameter	Symbol	Min.	Typ.	Max.	Units	Notes
Product Model	CZ-3AG2	-	-	-	-	-
General Description	-	Open-type current sensor using Hall sensors, outputs analog voltage proportional to AC/DC current.
Maximum Primary Current (Continuous)	-	-	-	50	Arms	-
High-accuracy	-	-	0.4% F.S.	-	%F.S.	(Ta=35~85C Typ.)
Primary Conductor Resistance	RP	-	0.27	-	m	-
Package Size	-	-	12.7mm 10.9mm 2.25mm	-	mm	(Surface mount)
Isolation Voltage	VINS	-	3.0kVrms	-	kVrms	(AC50Hz, 60s)
Supply Voltage	VDD	4.5	5.0	5.5	V	-
Sensitivity	Vh	-	100 mV/A	-	mV/A	(IIN=10A, Note 1)
Zero-Current Output Voltage	Vof	-	1.49 - 1.51	-	V	(IIN0A, Note 1)
Linear Sensing Range	INS	-14	-	14	A	-
Output Saturation Voltage High	VsatH	-	-	2.9	V	(IOUT=2mA)
Output Saturation Voltage Low	VsatL	0.1	-	-	V	(IOUT=2mA)
Linearity Error		-0.6	-	0.6	%F.S.	(IOUT=2mA, Note 1)
Output Clamp Voltage	Vclamp	3.0	3.25	3.45	V	(IOUT=2mA)
Power Supply Rejection Ratio	Psrr	45	-	-	dB	(DC to 100kHz)
Rise Response Time	tr	-	3.6	-	s	(CLVOUT=1000pF, Note 3)
Fall Response Time	tf	-	3.6	-	s	(CLVOUT=1000pF, Note 3)
Input Current Equivalent Noise	INrms	-	20	-	mArms	(100Hz~120kHz)
Power-on Time	ton	-	2	-	ms	(VDD 5V to VOUT within 10%)
Stray Magnetic Field Reduction	Ebc	-10	0.01	10	A/mT	(Equivalent to Zero-Current output drift)
dV/dt Settling Time	tdVdt	-	4	-	s	(200V/s, Note 2, 5)
Overcurrent Detection Threshold 1 Adjustable Range	\|IOCDTH1\|	7.0	-	17.5	A	(Note 7)
Overcurrent Detection Response Time 1	tRSOCD1	-	5.5	6.7	s	(ROCD=1k, CLOCD=1000pF, Note 3)
Overcurrent Detection Threshold 2 Adjustable Range	\|IOCDTH2\|	17.5	-	35	A	(Note 7)
Overcurrent Detection Response Time 2	tRSOCD2	-	2.5	3.7	s	(ROCD=1k, CLOCD=1000pF, Note 3)
Temperature Drift of Sensitivity	Vh-d	-	0.4 / 3.0	0.6 / 3.4	%	(Ta=35~85C / -40~35C, Note 4, 8, 9)
Temperature Drift of Zero-current Output Voltage	Vof-d	-	1.2 / 8.6	2.8 / 11.0	mV	(Ta=35~85C / -40~85C, Note 4, 8, 9)
Total Accuracy	Etotal	-	0.2 / 1.9	0.4 / 2.1	%F.S.	(Ta=35~85C / -40~85C, Note 4, 8)
Creepage Distance	Cr	8.0	-	-	mm	-
Clearance Distance	Cl	8.0	-	-	mm	-

Applications

AC drives
DC motors
UPS
General Inverters
Power conditioners
Applications requiring isolation with small size and suppressed heat generation.

2411272110_AKM-CZ3AG2_C1857729.pdf

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