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Current sensor IC Allegro ACS725LLCTR-05AB-T with low resistance conductor and AEC Q100 qualification

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Current sensor IC Allegro ACS725LLCTR-05AB-T with low resistance conductor and AEC Q100 qualification

working temperature : -40℃~+150℃

Current Range : 5A

Voltage - Supply : 3V~3.6V

Current Terminal Resistance : 1.2mΩ

Band Width : 120kHz

Response Time (tr) : 4us

Sensitivity : 264mV/A

Description : 5A 264mV/A SOIC-8 Current Sensors RoHS

Mfr. Part # : ACS725LLCTR-05AB-T

Model Number : ACS725LLCTR-05AB-T

Package : SOIC-8

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Product Overview

The Allegro ACS725 is an economical and precise automotive-grade current sensor IC designed for AC or DC current sensing in industrial, automotive, commercial, and communications systems. Its small SOIC8 package is ideal for space-constrained applications, offering cost savings through reduced board area. The device features differential Hall sensing for common-mode field rejection, a low-resistance primary conductor (1.2 m typical) for minimal power loss and high inrush current capability, and an integrated shield to suppress output noise from high dv/dt transients. With a high-bandwidth analog output of 120 kHz and patented digital temperature compensation, the ACS725 provides accurate, ratiometric voltage output proportional to the sensed current, enabling fast response times in control applications. It is AEC-Q100 qualified and offers galvanic isolation, making it suitable for high-side current sensing without external isolation components.

Product Attributes

Brand: Allegro
Product Family: ACS725
Package Type: 8-Pin SOIC (LC)
Certifications: AEC-Q100 qualified, CB Certificate Number: US-32848-UL, TV America Certificate Number: U8V 18 02 54214 041, CB 14 11 54214 031
Material: Leadframe plated with 100% matte tin; internally Pb-free (except for flip-chip high-temperature Pb-based solder balls)
Operating Temperature Range: -40C to 150C
Isolation Voltage: 2400 VRMS (Production tested)

Technical Specifications

Model	Current Sensing Range (IPR)	Sensitivity (Typ. at VCC = 3.3V)	Zero Current Output Voltage (VIOUT(Q))	Total Output Error (Typ. at IPR(max), TA=25C to 150C)	Bandwidth (BW)	Primary Conductor Resistance (Typ.)
ACS725LLCTR-05AB-T	5 A	264 mV/A	VCC 0.5 (Bidirectional)	0.9 %	120 kHz	1.2 m
ACS725LLCTR-10AB-T	10 A	132 mV/A	VCC 0.5 (Bidirectional)	0.8 %	120 kHz	1.2 m
ACS725LLCTR-10AU-T	0 - 10 A	264 mV/A	VCC 0.1 (Unidirectional)	0.9 %	120 kHz	1.2 m
ACS725LLCTR-20AB-T	20 A	66 mV/A	VCC 0.5 (Bidirectional)	0.8 %	120 kHz	1.2 m
ACS725LLCTR-20AB-T-H	20 A	66 mV/A	VCC 0.5 (Bidirectional)	0.7 %	120 kHz	1.2 m
ACS725LLCTR-20AU-T	0 - 20 A	132 mV/A	VCC 0.1 (Unidirectional)	0.8 %	120 kHz	1.2 m
ACS725LLCTR-30AB-T	30 A	44 mV/A	VCC 0.5 (Bidirectional)	0.7 %	120 kHz	1.2 m
ACS725LLCTR-30AB-T-H	30 A	44 mV/A	VCC 0.5 (Bidirectional)	0.7 %	120 kHz	1.2 m
ACS725LLCTR-30AU-T	0 - 30 A	88 mV/A	VCC 0.1 (Unidirectional)	0.8 %	120 kHz	1.2 m
ACS725LLCTR-40AB-T	40 A	33 mV/A	VCC 0.5 (Bidirectional)	1 %	120 kHz	1.2 m
ACS725LLCTR-50AB-T	50 A	26.4 mV/A	VCC 0.5 (Bidirectional)	1 %	120 kHz	1.2 m

General Specifications:

Characteristic	Symbol	Test Conditions	Min.	Typ.	Max.	Unit
Supply Voltage	VCC		3	3.3	3.6	V
Supply Current	ICC	VCC = 3.3 V, output open		10	14	mA
Primary Conductor Resistance	RIP	TA = 25C		1.2		m
Common Mode Field Rejection Ratio	CMFRR	Uniform external magnetic field		40		dB
Rise Time	tr	IP = IPR(max), TA = 25C, CL = 1 nF		3		s
Response Time	tRESPONSE	IP = IPR(max), TA = 25C, CL = 1 nF		4		s
Bandwidth	BW	Small signal 3 dB; CL = 1 nF		120		kHz
Input referenced noise density	IND	TA = 25C, CL = 1 nF		200		A(rms)/Hz
Nonlinearity	ELIN	Through full range of IP	-1.5		+1.5	%
Power-On Time	tPO	Output reaches 90% of steady-state level, TA = 25C, IP = IPR(max) applied		80		s

Package Dimensions (mm):

Dimension	Value (mm)
A	3.90 0.10
B	6.00 0.20
C	1.27 BSC
Seating Plane Gauge Plane	0.25 BSC
Lead Width	0.40
Lead Pitch	1.27
Package Height	1.75 MAX
Package Width	4.90 0.10
Clearance (Dcl)	4.2 mm
Creepage (Dcr)	4.2 mm

2504101957_ALLEGRO-ACS725LLCTR-05AB-T_C3684552.pdf

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