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Compact Allegro ACS724LLCTR-10AU-T current sensor ideal for motor control load detection and switched mode power supplies

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Compact Allegro ACS724LLCTR-10AU-T current sensor ideal for motor control load detection and switched mode power supplies

working temperature : -40℃~+150℃

Current Range : 10A

Voltage - Supply : 4.5V~5.5V

Current Terminal Resistance : 1.2mΩ

Band Width : 120kHz

Response Time (tr) : 3us

Sensitivity : 400mV/A

Bidirectional Current Detection : Not supported

Description : 10A 400mV/A SOIC-8 Current Sensors RoHS

Mfr. Part # : ACS724LLCTR-10AU-T

Model Number : ACS724LLCTR-10AU-T

Package : SOIC-8

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Product Overview

The Allegro ACS724 current sensor IC is an economical and precise solution for AC or DC current sensing in industrial, automotive, commercial, and communications systems. Its small package is ideal for space-constrained applications, offering cost savings through reduced board area. The device features a precise, low-offset, linear Hall sensor circuit with a copper conduction path for sensing current, which generates a magnetic field converted into a proportional voltage. Differential sensing rejects common-mode fields for improved accuracy in noisy environments. The ACS724 is AEC-Q100 qualified and provides a high-bandwidth 120 kHz analog output for fast response times. Typical applications include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protection.

Product Attributes

Brand: Allegro
Product Line: ACS724
Certifications: AEC-Q100 qualified, CB Certificate Number: US-32848-UL, TV America Certificate Number: U8V 18 02 54214 041, CB 14 11 54214 031
Package Type: 8-Pin SOIC (LC suffix)
Material: Leadframe plated with 100% matte tin. Internally Pb-free (except for flip-chip high-temperature Pb-based solder balls).

Technical Specifications

Model / Characteristic	Value	Unit	Notes
General Specifications
Primary Conductor Resistance	1.2	m	Typical
Bandwidth	120	kHz	Analog output, -3 dB
Supply Voltage	4.5 - 5.5	V	VCC
Supply Current	10	mA	Typical at VCC = 5 V, output open
Operating Ambient Temperature Range	-40 to 150	C	TA Range L
Junction Temperature (Max)	165	C	TJ(max)
Dielectric Surge Strength Test Voltage	6000	V	IEC 61000-4-5 compliant
Dielectric Strength Test Voltage	2400	VRMS	UL 60950-1 compliant
Clearance (IP to Signal Leads)	4.2	mm	Dcl
Creepage (IP to Signal Leads)	4.2	mm	Dcr
Model Specific Performance (Typical at VCC=5V, TA=25C unless noted)
Model	Current Sensing Range (IPR)	Sensitivity (Sens)	Zero-Current Output Voltage (VIOUT(Q))
ACS724LLCTR-2P5AB-T	2.5 A	800 mV/A	VCC 0.5 V (Bidirectional)
ACS724LLCTR-05AB-T	5 A	400 mV/A	VCC 0.5 V (Bidirectional)
ACS724LLCTR-10AU-T	0 - 10 A	400 mV/A	VCC 0.1 V (Unidirectional)
ACS724LLCTR-10AB-T	10 A	200 mV/A	VCC 0.5 V (Bidirectional)
ACS724LLCTR-20AU-T	0 - 20 A	200 mV/A	VCC 0.1 V (Unidirectional)
ACS724LLCTR-20AB-T	20 A	100 mV/A	VCC 0.5 V (Bidirectional)
ACS724LLCTR-30AU-T	0 - 30 A	133 mV/A	VCC 0.1 V (Unidirectional)
ACS724LLCTR-30AB-T	30 A	66 mV/A	VCC 0.5 V (Bidirectional)
ACS724LLCTR-40AU-T	0 - 40 A	100 mV/A	VCC 0.1 V (Unidirectional)
ACS724LLCTR-50AB-T	50 A	40 mV/A	VCC 0.5 V (Bidirectional)

2304140030_ALLEGRO-ACS724LLCTR-10AU-T_C2155518.pdf

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