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ALLEGRO A1152LUA T two wire hall effect switch with matte tin lead plating and stable output current

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ALLEGRO A1152LUA T two wire hall effect switch with matte tin lead plating and stable output current

Operating Current : 6.9mA

Operating Temperature : -40℃~+150℃

Voltage - Supply : 3V~24V

Description : TO-92S Switches (Solid State) RoHS

Mfr. Part # : A1152LUA-T

Model Number : A1152LUA-T

Package : TO-92S

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Product Overview

The A1150, A1152, A1153, A1155, A1156, A1157, and A1158 are a family of two-wire, unipolar, Hall-effect switches manufactured using Allegro's advanced BiCMOS process with a high-frequency, 4-phase chopper-stabilization technique. This technology ensures magnetic stability across the operating temperature range and eliminates offsets. These devices are ideal for cost-sensitive applications due to their two-wire configuration, which requires fewer connections than traditional open-collector switches. The inherent diagnostics provided by the constant output current, which should fall within two narrow ranges, further enhance their utility. Automotive applications include sensing seat track position, seat belt buckle presence, hood/trunk latching, and shift selector position.

Product Attributes

Brand: Allegro
Material: BiCMOS wafer fabrication process
Certifications: AEC-Q100 automotive qualified
Package Lead Plating: 100% matte-tin
Package Styles: SOT-23W (LH), 3-pin SIP (UA), 2-pin SIP (UB)
Lead Free: Yes

Technical Specifications

Part Number	Package	Output (ICC)	Supply Current at ICC(L) (mA)	Magnetic Operate Point, BOP (G)	Magnetic Release Point, BRP (G)	Hysteresis, BHYS (G)	Supply Voltage (V)	Operating Ambient Temperature Range (C)
A1150	LH, UA	Low	2 to 5	50 to 110	45 to 105	5 to 30	3 to 24	40 to 150
A1152	LH, UA, UB	Low	5 to 6.9	50 to 110	45 to 105	5 to 30	3 to 24	40 to 150
A1153	LH, UA, UB	High	5 to 6.9	50 to 110	45 to 105	5 to 30	3 to 24	40 to 150
A1155	LH, UA, UB	Low	5 to 6.9	20 to 60	10 to 55	5 to 30	3 to 24	40 to 150
A1156	LH, UA, UB	High	5 to 6.9	20 to 60	10 to 55	5 to 30	3 to 24	40 to 150
A1157	LH, UA	Low	2 to 5	20 to 80	10 to 60	5 to 30	3 to 24	40 to 150
A1158	LH, UA	High	(Not specified)	20 to 80	10 to 60	5 to 30	3 to 24	40 to 150

2304140030_ALLEGRO-A1152LUA-T_C146390.pdf

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