High accuracy current sensor ALLEGRO ACS720KLATR-65AB-T-4 with loss and high

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Description	SOIC-16 Current Sensors RoHS
Mfr. Part #	ACS720KLATR-65AB-T-4
Package	SOIC-16
Model Number	ACS720KLATR-65AB-T-4

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Product Specification


Description	SOIC-16 Current Sensors RoHS	Mfr. Part #	ACS720KLATR-65AB-T-4
Package	SOIC-16	Model Number	ACS720KLATR-65AB-T-4

Product Overview

The ACS720 is a high-accuracy, Hall-effect-based current sensor IC designed for industrial and consumer applications, particularly in motor control and power inverter stages. It offers high isolation with a reduced bill of materials thanks to its proprietary SOIC16W package. Operating from a single 5V supply, it provides a 0-3V output swing with a stable 1.5V zero-current output, compatible with 3.3V ADCs. Its high PSRR effectively rejects noise in demanding environments. The ACS720 features dual, user-configurable fault functions (fast and slow) for short-circuit and overcurrent detection, with fault levels set via an external resistor divider. Differential current sensing rejects external magnetic fields, simplifying board layout in 3-phase motor applications. This sensor boasts integrated digital temperature compensation for high accuracy over temperature and a low 1.0 m primary conductor resistance for minimal power loss.

Product Attributes

Brand: Allegro MicroSystems
Package: SOIC16 Wide-Body (LA)
Certifications: UL60950-1 (3600 Vrms Dielectric Strength certified)
Material: Leadframe plated with 100% matte tin; internally Pb-free (except for flip-chip high-temperature Pb-based solder balls).
RoHS Status: Internally Pb-free, except for flip-chip high-temperature Pb-based solder balls, currently exempt from RoHS.

Technical Specifications

Model	Sensing Range (IPR)	Sensitivity (Typ)	Fast Fault Mask Time (Typ)	Operating Temperature (TA)	Packing
ACS720KLATR-15AB-T	15 A	90 mV/A	0 s	40 to 125 C	Tape and Reel, 1000 pcs/reel
ACS720KLATR-15AB-T-4	15 A	90 mV/A	1.5 s	40 to 125 C	Tape and Reel, 1000 pcs/reel
ACS720KLATR-35AB-T	35 A	38.5 mV/A	0 s	40 to 125 C	Tape and Reel, 1000 pcs/reel
ACS720KLATR-35AB-T-4	35 A	38.5 mV/A	1.5 s	40 to 125 C	Tape and Reel, 1000 pcs/reel
ACS720KLATR-65AB-T	65 A	20.5 mV/A	0 s	40 to 125 C	Tape and Reel, 1000 pcs/reel
ACS720KLATR-65AB-T-4	65 A	20.5 mV/A	1.5 s	40 to 125 C	Tape and Reel, 1000 pcs/reel
ACS720KLATR-80AB-T	80 A	16 mV/A	0 s	40 to 125 C	Tape and Reel, 1000 pcs/reel
ACS720KLATR-80AB-T-4	80 A	16 mV/A	1.5 s	40 to 125 C	Tape and Reel, 1000 pcs/reel

Characteristic	Symbol	Conditions	Min.	Typ.	Max.	Units
Supply Voltage	VCC		4.5	5.0	5.5	V
Supply Current	ICC	VCC = 5.0 V, output open		13	16	mA
Primary Conductor Resistance	RIP	TA = 25C		1.0		m
Power-On Time	tPO	TA = 25C		70		s
Output Voltage Swing			0		3	V
Zero-Current Output Voltage	VIOUT(Q)	IP = 0 A		1.5		V
Dielectric Strength	VISO	Agency type-tested for 60 seconds per UL 60950-1		3600		VRMS
Bandwidth	BW	Small signal 3 dB; CL = 1 nF		120		kHz
Differential Current Sensing		Rejects external magnetic fields		Yes
Fault Functions		Dual, user configurable (Fast & Slow)		Yes
Package Dimensions		16-Pin SOICW (LA)	See Figure 18			mm

Key Features & Benefits

High accuracy Hall-effect-based current sensor.
Proprietary SOIC16W package for high isolation and reduced BOM.
Single 5V supply operation.
0-3V output voltage swing, compatible with 3.3V ADCs.
High PSRR for excellent noise rejection in noisy environments.
Dual, user-configurable fast and slow fault outputs for overcurrent and short-circuit detection.
Differential current sensing rejects external magnetic fields, simplifying layout.
Integrated digital temperature compensation for high accuracy over temperature.
Low 1.0 m primary conductor resistance for reduced power loss.
Small footprint, low-profile SOIC16 package.
Integrated shield minimizes capacitive coupling from high dV/dt transients.
Output voltage proportional to AC or DC current.
Factory-trimmed sensitivity and quiescent output voltage for improved accuracy.
3600 Vrms dielectric strength certified under UL60950-1.

Application Scenarios

Motor Control
Power Inverter Stage Applications
Industrial Applications
Consumer Applications
Three-Phase Motor Applications
Single-Phase Applications

2401220954_ALLEGRO-ACS720KLATR-65AB-T-4_C19761999.pdf

Company Details

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Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa... Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa...

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