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High Precision ALLEGRO ACS37612LLUALU-010B3 Hall Effect Current Sensor with Automotive Certification

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High Precision ALLEGRO ACS37612LLUALU-010B3 Hall Effect Current Sensor with Automotive Certification

working temperature : -40℃~+150℃

Current Range : -

Voltage - Supply : 3V~3.6V

Sensitivity : 10mV/g

Description : 10mV/g TSSOP-8 Current Sensors RoHS

Mfr. Part # : ACS37612LLUALU-010B3

Model Number : ACS37612LLUALU-010B3

Package : TSSOP-8

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Product Overview

The Allegro ACS37612 is a coreless, high-precision, Hall-effect current sensor IC designed for low-cost AC and DC current sensing solutions. It eliminates the need for external field concentrator cores or shields, making it ideal for applications where hundreds of amps flow through a busbar or PCB trace. The device features differential sensing topology for common-mode stray magnetic field rejection, high isolation, and a wide ambient operating temperature range of -40C to 150C, making it suitable for harsh automotive environments. With bandwidth options of 120 kHz and 240 kHz, it is well-suited for applications requiring fast switching, such as inverter phase current sensing, load detection and management, power supplies, and DC/DC converters. Its high response time enables overcurrent fault detection in safety-critical applications. The ACS37612 is offered in a low-profile, 8-pin surface mount TSSOP package.

Product Attributes

Brand: Allegro
Package: 8-pin TSSOP (suffix LU)
Lead Plating: 100% matte tin
Certifications: AEC-Q100 Grade 0, automotive qualified
Material: Lead (Pb) free

Technical Specifications

Model	Nominal Supply Voltage (V)	Differential Magnetic Input Range (G)	Sensitivity (Typ.) (mV/G)	Bandwidth (kHz)	Ambient Temperature (C)	Packing
ACS37612LLUATR-010B3	3.3	135	10	120	-40 to 150	4000 pieces per 13-inch reel
ACS37612LLUATR-005B5	5	400	5	240 (default)	-40 to 150
ACS37612LLUATR-010B5	5	200	10	120 (default)	-40 to 150
ACS37612LLUATR-015B5	5	130	15	120 (default)	-40 to 150
ACS37612LLUATR-015U5	5	0 to 265	15	120 (default)	-40 to 150

Key Features

Eliminates the need for a concentrator core or shield.
Suited for applications where current flows through a busbar or PCB.
Very wide sensing range (2.5 to 20 mV/G).
Ideal for sensing currents from <200 a to>1000 A.
Factory-programmed segmented linear temperature compensation provides low thermal drift.
Sensitivity 1% (typ), Offset 3 mV (typ).
Differential Hall sensing rejects common-mode magnetic fields.
High operating bandwidth: DC to 240 kHz.
Contactless, lossless, non-invasive current sensing.
Very fast response time (<2 s typ).
3.3 or 5.0 V single supply operation.
Ratiometric output with unidirectional and bidirectional modes.
Immune to mechanical stress.
Monolithic Hall IC for high reliability.
Wide ambient temperature range: 40C to 150C.
Surface mount, small footprint, low-profile TSSOP8 package.

Typical Applications

High voltage traction motor inverter
48 V / 12 V auxiliary inverter
Battery monitoring
Overcurrent detection
DC/DC converter
Smart fuse
Power distribution unit (PDU)
Power supply

Technical Data Highlights

Characteristic	Symbol	Test Conditions	Min.	Typ.	Max.	Unit
Supply Voltage	VCC	5 V nominal supply voltage variant	4.5	5	5.5	V
Supply Voltage	VCC	3.3 V nominal supply voltage variant	3	3.3	3.6	V
Supply Current	ICC	VCC(min) VCC VCC(max), VCC = 5 V or 3.3 V, no load		12	16	mA
Power-On Time	tPO	TA = 25C		70		s
High Operating Bandwidth	BWi	Small signal 3 dB, CL = 1 nF, highest bandwidth mode		240		kHz
Response Time	tRESPONSE	TA = 25C, CL = 1 nF, BWi = 240 kHz		1.6		s
Ambient Operating Temperature Range	TA		40		150	C

2304140030_ALLEGRO-ACS37612LLUALU-010B3_C1869997.pdf

High Precision ALLEGRO ACS37612LLUALU-010B3 Hall Effect Current Sensor with Automotive Certification Images

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