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Bardeen Micro BDH8401F Hall effect sensor IC featuring wide voltage range and strong noise immunity

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Bardeen Micro BDH8401F Hall effect sensor IC featuring wide voltage range and strong noise immunity

Operating Current : 4.8mA

Operation Points : 4.5mT

Release Points : 4.5mT

Operating Temperature : -40℃~+150℃

Output Current : 30mA

Voltage - Supply : 3.8V~60V

Description : Digital Switch Bipolar Open Collector Hall Effect SOT-23-3L

Mfr. Part # : BDH8401F

Model Number : BDH8401F

Package : SOT-23-3L

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Product Overview

The BDH8401F is a wide-voltage bipolar latching Hall effect sensor IC manufactured using high-voltage bipolar process technology. It is designed for high-voltage applications and offers strong noise immunity. The chip integrates a voltage regulator, Hall voltage generator, differential amplifier, temperature compensation circuit, and an open-collector output circuit. It accepts magnetic induction as input and outputs a digital voltage signal. Operating within a wide temperature range of -40 to 150 and a voltage range of 3.8V to 60V, it can drive up to 30mA. The BDH8401F is suitable for various consumer electronics and industrial control applications, available in TO92S and SOT23-3L packages, both compliant with RoHS standards.

Product Attributes

Brand: Shenzhen Bardeen Microelectronics (BDM)
Product Series: BDH8401F
Technology: High-voltage bipolar process
Certifications: RoHS compliant
Package Options: TO92S, SOT23-3L

Technical Specifications

Parameter	Description	Value	Unit
Model	BDH8401F	V1.1
Operating Voltage (VCC)	Minimum	3.8	V
Operating Voltage (VCC)	Maximum	60	V
Overvoltage Protection		80	V
Output Type	Open Collector
Reverse Voltage Protection	Power Pin	Yes
Operating Temperature		-40 to 150
Maximum Output Current (IOUT)		30	mA
Typical Supply Current (ISUP)		4.8	mA
Output Voltage Saturation (Vsat)	IOUT=20mA	0.4	V
Output Rise Time (Tr)	RL=10K, CL=20pF	1.0	us
Output Fall Time (Tf)	RL=10K, CL=20pF	1.5	us
Operating Point (Bop)	Typical	45	Gauss
Release Point (Brp)	Typical	-45	Gauss
Hysteresis (BHYS)		90	Gauss
Ordering Information (TO92S)	Package	TO92S
Ordering Information (TO92S)	Packaging	1000 / Bag
Ordering Information (SOT23-3L)	Package	SOT23-3L
Ordering Information (SOT23-3L)	Packaging	3000 / Reel
Absolute Maximum Ratings (VCC)	Maximum	80	V
Absolute Maximum Ratings (VOUT)	Maximum	80	V
Absolute Maximum Ratings (IOUT)	Maximum	40	mA
Absolute Maximum Ratings (TJ)	Maximum	150	C
Absolute Maximum Ratings (TSTG)	Maximum	165	C

Application Areas

Brushless DC motor commutation
Speed measurement
Counting
Angular position detection
Proximity detection

Package Information

TO92S Dimensions (mm)

Symbol	Min	Max
A	1.42	1.67
A1	0.66	0.86
b	0.35	0.56
b1	0.4	0.55
C	0.36	0.51
D	3.9	4.2
D1	2.97	3.27
E	2.9	3.28
e	1.270 TYP
e1	2.44	2.64
L	13.5	15.5
x	2.025 TYP
y	1.545 TYP
z	0.500 TYP
	45 TYP

SOT23-3L Dimensions (mm)

Symbol	Min	Max
A	2.80	3.00
A1	0.00	0.10
b	0.35	0.50
c	0.10	0.20
D	2.65 TYP
E	2.40 TYP
e	0.95 TYP
e1	1.90 TYP
L	0.35	0.55
L1	0.00 TYP
	0	8

2409280132_Bardeen-Micro--BDH8401F_C5371997.pdf

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