BU52273NUZ Datasheet, PDF (9/20 Pages) Rohm – Omnipolar Detection Hall IC

BU52273NUZ
(Magnetic Field Detection Mechanism)
S
N
S
S
N
S
N
Flux Direction
Flux Direction
Figure 13
The Hall IC cannot detect magnetic fields that run horizontal to the package top layer.
Be certain to configure the Hall IC so that the magnetic field is perpendicular to the top layer.
OUT1
S
S
N
Flux
OUT1[V]
N
N
S
Flux
High
High
High
N-pole
Low
B
0
Magnetic Flux Density [mT]
Brp S Bop S
S-pole
Figure 14. S-pole Detection
The OUT1 pin detects and outputs for the S-pole only. Since the OUT1 pin output is unipolar, the output does not respond to
the N-pole.
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TSZ02201-0M2M0F415140-1-2
24.May.2016 Rev.002