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Planar Hall effect sensor ic ALLEGRO APS11450LLHALT-2SLC designed for robust automotive safety related systems

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Planar Hall effect sensor ic ALLEGRO APS11450LLHALT-2SLC designed for robust automotive safety related systems

Voltage - Supply : 3V~30V

Description : SOT-23W Switches (Solid State) RoHS

Mfr. Part # : APS11450LLHALT-2SLC

Model Number : APS11450LLHALT-2SLC

Package : SOT-23W

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Product Overview

The APS11450 is a three-wire planar Hall-effect sensor IC designed for automotive safety-related systems, compliant with ISO 26262:2011 for ASIL B capability. It features an enhanced three-wire interface with open/short diagnostics and a fault state for robust communication. The sensor offers continuous background diagnostics for reduced fault tolerant time and comes with multiple product options including magnetic switch points, temperature coefficient, hysteresis, and output polarity, compatible with various magnet types. Its design minimizes module BOM and assembly costs while providing automotive-grade ruggedness and fault tolerance, including extended AEC-Q100 Grade 0 qualification for operation up to 175C junction temperature.

Product Attributes

Brand: Allegro MicroSystems
Origin: U.S.A.
Certifications: ISO 26262:2011 (ASIL B capability pending assessment), AEC-Q100 Grade 0
Material: RoHS Compliant, Lead (Pb) free with 100% matte-tin-plated leadframes
Color: Not specified

Technical Specifications

Part Number	Package	Output Polarity	Temperature Coefficient	Magnetic Operate Point, BOP (typ)	Packing
APS11450LLHALX-0SLA	3-pin SOT23W surface mount	Low	0%/C	35 G	13-in. reel, 10,000 pieces/reel
APS11450LLHALT-0SLA	3-pin SOT23W surface mount	Low	0%/C	35 G	7-in. reel, 3000 pieces/reel
APS11450LUAA-0SLA	3-pin SIP through-hole	Low	0%/C	35 G	bulk, 500 pieces/bag
APS11450LLHALX-2SLC	3-pin SOT23W surface mount	Low	0.12%/C	180 G	13-in. reel, 10,000 pieces/reel
APS11450LLHALT-2SLC	3-pin SOT23W surface mount	Low	0.12%/C	180 G	7-in. reel, 3000 pieces/reel
APS11450LLHALX-3SLC	3-pin SOT23W surface mount	Low	0.12%/C	280 G	13-in. reel, 10,000 pieces/reel
APS11450LLHALT-3SLC	3-pin SOT23W surface mount	Low	0.12%/C	280 G	7-in. reel, 3000 pieces/reel
APS11450LLHALX-3SLD	3-pin SOT23W surface mount	Low	0.2%/C	280 G	13-in. reel, 10,000 pieces/reel
APS11450LLHALT-3SLD	3-pin SOT23W surface mount	Low	0.2%/C	280 G	7-in. reel, 3000 pieces/reel

Characteristic	Symbol	Test Conditions	Min.	Typ.	Max.	Unit
Supply Voltage	VCC	Operating, TJ < 165C	3.0		30	V
Supply Current	ICC			4.5		mA
Power-On Time	ton	VCC > VCC(min)			150	s
Output Rise Time	tRISE	VPU = VCC, RPU = 3 k, COUT = 1 nF, IOUT < 12 mA	2	4	15	s
Output Fall Time	tFALL	VPU = VCC, RPU = 3 k, COUT = 1 nF, IOUT < 12 mA	2	4	15	s
Output On Voltage	VOUT(LOW)	VPU = VCC, IOUT < 12 mA	10	20	30	%
Output Off Voltage	VOUT(HIGH)		70	80	90	%
Fault Reaction Time	tDIAG			25	60	s
Overtemperature Shutdown	TSD	Temperature increasing		205		C
Overtemperature Hysteresis	TJHYS			25		C

Characteristic	Symbol	Test Conditions	Min.	Typ.	Max.	Unit
Sensitivity Temperature Coefficient	TCSENS	Relative to sensitivity at 25C				%/C
		(A) Flat		0
		(B) SmCo		0.035
		(C) NdFeB		0.12
		(D) Ferrite		0.2
Analog Signal Bandwidth	f(-3dB)			10		kHz
Operate Point	BOP	APS11450-0SxA		35	50	G
Operate Point	BOP	APS11450-2SxC TA = 40C	128	184	240	G
Operate Point	BOP	APS11450-2SxC TA = 25C	125	180	235	G
Operate Point	BOP	APS11450-2SxC TA = 150C	106	153	200	G
Operate Point	BOP	APS11450-3SxC TA = 40C	230	286	342	G
Operate Point	BOP	APS11450-3SxC TA = 25C	230	280	335	G
Operate Point	BOP	APS11450-3SxC TA = 150C	190	235	280	G
Operate Point	BOP	APS11450-3SxD TA = 40C	260	316	379	G
Operate Point	BOP	APS11450-3SxD TA = 25C	230	280	335	G
Operate Point	BOP	APS11450-3SxD TA = 150C	173	210	251	G
Release Point	BRP	APS11450-0SxA	5	25		G
Release Point	BRP	APS11450-2SxC TA = 40C	72	128	184	G

2401241356_ALLEGRO-APS11450LLHALT-2SLC_C3716240.pdf

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