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Hall Effect Current Sensor ALLEGRO ACS732KLATR-40AB-T Featuring High Isolation and Low Magnetic Hysteresis

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Hall Effect Current Sensor ALLEGRO ACS732KLATR-40AB-T Featuring High Isolation and Low Magnetic Hysteresis

working temperature : -40℃~+125℃

Current Range : 40A

Voltage - Supply : 4.75V~5.25V

Sensitivity : 50mV/A

Description : 40A 50mV/A SOIC-16 Current Sensors RoHS

Mfr. Part # : ACS732KLATR-40AB-T

Model Number : ACS732KLATR-40AB-T

Package : SOIC-16

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Product Overview

The Allegro ACS732 and ACS733 are next-generation, high-bandwidth Hall-effect current sensor ICs designed for accurate measurement of high-frequency currents in applications such as DC/DC converters and switching power supplies. These devices offer high isolation, user-configurable overcurrent fault detection, and a low 1 m primary conductor resistance for minimal power loss. Their compact, wide-body SOIC-16 package facilitates easy integration into automotive, industrial, commercial, and communications systems. Applications include motor control, load detection and management, switch-mode power supplies, and overcurrent fault protection. The sensors provide a proportional analog voltage output for both AC and DC currents, with factory-trimmed sensitivity and quiescent voltage for enhanced accuracy and nearly zero magnetic hysteresis.

Product Attributes

Brand: Allegro
Certifications: AEC-Q100 automotive qualified, UL60950-1 (ed. 2) certified
Package: SOIC-16 wide body (LA)
Lead Material: 100% matte tin plating

Technical Specifications

Model	Optimized Range, I_P (A)	Sensitivity, Sens (Typ) (mV/A)	Nominal Supply Voltage, V_CC (V)	Operating Temperature Range (C)
ACS732KLATR-20AB-T	20	100	5.0	40 to 125
ACS732KLATR-40AB-T	40	50	5.0	40 to 125
ACS732KLATR-65AB-T	65	30	5.0	40 to 125
ACS732KLATR-65AU-T	65 (Unidirectional)	60	5.0	40 to 125
ACS732KLATR-75AB-T	75	26.6	5.0	40 to 125
ACS733KLATR-20AB-T	20	66	3.3	40 to 125
ACS733KLATR-20AB-T-H	20	66	3.3	40 to 125
ACS733KLATR-40AB-T	40	33	3.3	40 to 125
ACS733KLATR-40AU-T	40 (Unidirectional)	66	3.3	40 to 125
ACS733KLATR-65AB-T	65	20	3.3	40 to 125
Key Electrical Characteristics:
Primary Conductor Resistance (R_IP)	1 m (typical)
Bandwidth	1 MHz (analog output)
Isolation Voltage (Dielectric Strength)	3.6 kVRMS
Isolation Voltage (Basic Isolation Working)	616 VRMS
Overcurrent Fault Detection	Fast and externally configurable (50% to 200% of I_PR(MAX))
Supply Voltage (ACS732)	4.75 V to 5.25 V
Supply Voltage (ACS733)	3.14 V to 3.46 V
Zero Current Output Voltage (Bidirectional)	0.5 V_CC (nominal)
Zero Current Output Voltage (Unidirectional)	0.1 V_CC (nominal)
Fault Response Time (t_RESPONSE(F))	0.2 to 0.75 s (typical)

2404151029_ALLEGRO-ACS732KLATR-40AB-T_C459338.pdf

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