Automotive Current Transducer LEM HAH1DR500-S with 500 Amp Range and Galvanic Separation Technology

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Product Description

Product Overview

The LEM HAH1DR 500-S is an open-loop Hall effect current transducer designed for high-power automotive applications. It provides galvanic separation between the primary and secondary circuits, enabling the electronic measurement of DC, AC, or pulsed currents. With a flexible current measuring range within the same housing and excellent accuracy, linearity, and low thermal drift, it is ideal for demanding automotive systems.

Product Attributes

Brand: LEM
Technology: Open Loop Hall Effect
Material (Case): PBT GF 30
Material (Magnetic Core): Iron silicon alloy
Electrical Terminal Coating: Brass tin plated
Connector Type: AMP 1473672-1
Certifications: Directive 2004/104/CE, IEC 60664-1, ISO 16750-2, ISO 16750-3, ISO 16750-4, JESD22-A101, IEC 60068-2-64, IEC 60068-2-14, IEC 61000-4-3, IEC 61000-4-2

Technical Specifications

Parameter	Symbol	Unit	Specification	Conditions
Operating Characteristics in Nominal Range (IPN)
Primary current	IPN	A	500
Supply voltage	UC	V	4.75 - 5 - 5.25
Ambient operating temperature	TA	C	- 40 to 125	Connector limited 105 C
Output voltage (Analog)	Vout	V	Vout = (UC/5) (Vo + G IP )	@ UC = 5 V
Sensitivity	G	mV/A	4	@ UC = 5 V
Current consumption	IC	mA	15 - 20	@ UC = 5 V, - 40 C < TA< 125 C
Load resistance	RL	K	10
Capacitive loading	CL	nF	1 - 100
Output internal resistance	Rout		10	DC to 1 kHz
Ratiometricity error	r	%	0.5
Sensitivity error	G	%	0.5	@ TA = 25 C, @ I = IP
Electrical offset current	IOE	A	1.5	@ TA = 25 C, @ UC = 5 V
Magnetic offset current	IOM	A	1	@ TA = 25 C, @ UC = 5 V, after IP
Global offset current	IO	A	2.7	@ TA = 25 C
Average temperature coefficient of VOE	TCIOEAV	mV/C	0.03	@ - 40 C < TA< 125 C
Average temperature coefficient of G	TCGAV	%/C	0.02	@ - 40 C < TA< 125 C
Linearity error	L	%	1	@ UC = 5 V, @ TA = 25 C, @ I = IP
Step response time to 90 %	tr	s	6 - 10	@ di/dt = 100 A/s
Frequency bandwidth	BW	kHz	30	@ - 3 dB
Output clamping voltage minimum	VSZ	V	0.1	@ UC = 5 V, @ TA = 25 C
Output clamping voltage maximum		V	4.9	@ UC = 5 V, @ TA = 25 C
Output voltage noise peak-peak	Vno p-p	mV	14	DC to 1 kHz
Absolute Maximum Ratings (not operating)
Primary current peak	Pmax	A	See Note 1
Supply continuous over voltage	UC	V	7	Not operating
Reverse voltage		V	- 0.5	Transducer not protected
Ambient storage temperature	TS	C	- 55 to 125
Electrostatic discharge voltage	UESD	kV	2	JESD 22-A114-B (HBM)
Continuous output current	Iout	mA	10
RMS voltage for AC insulation test	Ud	kV	2	50 Hz, 1 min
Continuous output over voltage (Analog)	Vout	V	UC + 0.5
Insulation resistance	RIS	M	500	500 V - ISO 16750-2
Output Short circuit duration	tc	minutes	2