Pole independent hall effect switch Allegro A3214ELHLX-T designed for operation in handheld equipment

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Product Description

Product Overview

The A3213 and A3214 are ultra-sensitive, pole-independent Hall-effect switches with a latched digital output, designed for low-power, battery-operated applications. They are ideal for hand-held equipment like cell phones and palmtop computers, offering superior reliability and ease of manufacturing by replacing reed switches. Their unique clocking scheme significantly reduces average operating power requirements.

Product Attributes

Brand: Allegro MicroSystems, LLC
Certifications: AEC-Q100 automotive qualified
Material: Advanced BiCMOS processing
Lead Finish: 100% matte-tin-plated leadframe
Package Lead Free: Yes (suffix T)

Technical Specifications

Part Number	Mounting	Packing	Ambient TA (C)	DC (%)	IDD(AVG)(typ) (A)	Operating Voltage (V)	Max Junction Temp (C)	Package
A3213ELHLT-T	Surface Mount	7-in. reel (3000 pcs)	40 to 85	25	309	2.4 to 5.5	165	SOT23W (LH)
A3213ELHLX-T	Surface Mount	13-in. reel (10000 pcs)	40 to 85	25	309	2.4 to 5.5	165	SOT23W (LH)
A3213EUA-T	SIP through hole	Bulk (500 pcs)	40 to 150	25	309	2.4 to 5.5	165	SIP (UA)
A3213LUA-T	SIP through hole	Bulk (500 pcs)	40 to 150	25	309	2.4 to 5.5	165	SIP (UA)
A3214ELHLT-T	Surface Mount	7-in. reel (3000 pcs)	40 to 85	0.10	6	2.4 to 5.5	165	SOT23W (LH)
A3214ELHLX-T	Surface Mount	13-in. reel (10000 pcs)	40 to 85	0.10	6	2.4 to 5.5	165	SOT23W (LH)
A3214EUA-T	SIP through hole	Bulk (500 pcs)	40 to 150	0.10	6	2.4 to 5.5	165	SIP (UA)

Magnetic Characteristics

Characteristic	Symbol	Test Conditions	Min.	Typ. [5]	Max.	Units [6]
Operate Points	BOPS	South pole to branded side		42	70	G
Operate Points	BOPN	North pole to branded side	70	48		G
Release Points	BRPS	South pole to branded side	10	32		G
Release Points	BRPN	North pole to branded side		38	10	G
Hysteresis	Bhys	\|BOPx - BRPx\|		10		G

Electrical Characteristics

Characteristic	Symbol	Test Conditions	Min.	Typ. [1]	Max.	Units
Supply Voltage Range	VDD Operating		2.4	3.0	5.5	V
Output Leakage Current	IOFF	VOUT = 5.5 V, BRPN		<1.0	1.0	A
Output On Voltage	VOUT(ON)	Output on, IOUT = 1 mA, VDD = 3.0 V		100	300	mV
Awake Time	tawake			60	90	s
Period	tperiod	A3213		240	360	s
Period	tperiod	A3214, TA = 25C, VDD = 3 V		60	90	ms
Duty Cycle	DC	A3213		25		%
Duty Cycle	DC	A3214		0.10		%
Supply Current (Enabled)	IDD(EN)	Chip awake (enabled)			2.0	mA
Supply Current (Disabled)	IDD(DIS)	Chip asleep (disabled)			8.0	A
Average Supply Current	IDD(AVG)	A3213		309	850	A
Average Supply Current	IDD(AVG)	A3214		6	22	A