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Bardeen Micro BDH8182 Hall effect latched sensor designed for electronic commutation in brushless DC motors

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Bardeen Micro BDH8182 Hall effect latched sensor designed for electronic commutation in brushless DC motors

Operating Current : 2.5mA

Operation Points : 3.5mT

Release Points : 3.5mT

Operating Temperature : -40℃~+125℃

Voltage - Supply : 3.5V~24V

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

Mfr. Part # : BDH8182

Model Number : BDH8182

Package : TO-92S

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Product Overview

The BDH8182 is a high-sensitivity, integrated Hall-effect latched sensor designed for the electronic commutation of brushless DC motor applications. It features an on-chip Hall voltage generator, a comparator for Hall voltage amplification, and a Schmitt trigger for noise rejection and hysteresis. The device includes an internal bandgap regulator for temperature-compensated supply voltage, enabling a wide operating supply range. A sufficiently strong north pole activates the output (ON), while the absence of a magnetic field deactivates it (OFF). The BDH8182 is available in TO-92S-3 and SOT-23-3 packages.

Product Attributes

Brand: Shenzhen Bardeen Microelectronics (BDM)
Model: BDH8182
Sensitivity: High
Type: Hall-effect Latch
Package Options: TO-92S-3, SOT-23-3

Technical Specifications

Parameter	Symbol	Conditions	Min	Type	Max	Unit
Supply Voltage	VCC	Operating	3.5		24	V
Supply Current	ICC	Awake	2.5	5	mA
Output Leakage Current	ILEAK	B<\|BRP\| <0.1			10	A
Output Saturation Voltage	VSAT	IOUT =1.0mA		110	300	mV
Rise Time	tr	Operating		0.2		s
Fall Time	Tf	Operating		0.2		s
Operating point	BOP			-35	70	Gauss
Releasing Point	BRP		-70	-35	-	Gauss
Hysteresis	BHYS			70		Gauss
Maximum Output Sink Current	IOUT	Continuous Current			25	mA
Operating Temperature	TOP		-40		125	C
ESD Rating (Human Body Model)	ESD				3000	V
ESD Rating (Machine Model)	ESD				300	V
Power Dissipation	PD				400	mW
Storage Temperature	TS		-55		150	C
Junction Temperature	TJ				125	C

Applications: Brushless DC Motor

2411041759_Bardeen-Micro--BDH8182_C7464729.pdf

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